| /******************************************************************************* |
| * Copyright (c) 2000, 2016 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * This is an implementation of an early-draft specification developed under the Java |
| * Community Process (JCP) and is made available for testing and evaluation purposes |
| * only. The code is not compatible with any specification of the JCP. |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Stephan Herrmann - Contribution for |
| * bug 388739 - [1.8][compiler] consider default methods when detecting whether a class needs to be declared abstract |
| * bug 399567 - [1.8] Different error message from the reference compiler |
| * bug 401796 - [1.8][compiler] don't treat default methods as overriding an independent inherited abstract method |
| * Bug 400874 - [1.8][compiler] Inference infrastructure should evolve to meet JLS8 18.x (Part G of JSR335 spec) |
| * Bug 423505 - [1.8] Implement "18.5.4 More Specific Method Inference" |
| *******************************************************************************/ |
| package org.eclipse.jdt.core.tests.compiler.regression; |
| |
| import java.util.Map; |
| |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
| import org.eclipse.jdt.internal.compiler.impl.CompilerOptions; |
| |
| import junit.framework.*; |
| |
| @SuppressWarnings({ "unchecked", "rawtypes" }) |
| public class AmbiguousMethodTest extends AbstractComparableTest { |
| |
| static { |
| // TESTS_NAMES = new String [] { "test010a" }; |
| } |
| public AmbiguousMethodTest(String name) { |
| super(name); |
| } |
| |
| public static Test suite() { |
| return buildComparableTestSuite(testClass()); |
| } |
| |
| public static Class testClass() { |
| return AmbiguousMethodTest.class; |
| } |
| |
| protected Map getCompilerOptions() { |
| Map compilerOptions = super.getCompilerOptions(); |
| compilerOptions.put(CompilerOptions.OPTION_ReportMissingOverrideAnnotationForInterfaceMethodImplementation, CompilerOptions.DISABLED); |
| return compilerOptions; |
| } |
| public void test000() { |
| this.runConformTest( |
| new String[] { |
| "Test.java", |
| "public class Test { public static void main(String[] args) { new B().foo(new C()); } }\n" + |
| "class A { void foo(A a) {} }\n" + |
| "class B extends A { void foo(B b) { System.out.println(1); } }\n" + |
| "class C extends B {}" |
| }, |
| "1" |
| ); |
| } |
| public void test000a() { |
| this.runConformTest( |
| new String[] { |
| "Test.java", |
| "public class Test { public static void main(String[] args) { new Subtype<String>().foo(1, \"works\"); } }\n" + |
| "class Supertype<T1> { <U1> void foo(U1 u, T1 t) {} }\n" + |
| "class Subtype <T2> extends Supertype<T2> { <U3> void foo(U3 u, T2 t) { System.out.println(t); } }" |
| }, |
| "works" |
| ); |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=122881 |
| public void test001() { |
| this.runConformTest( |
| new String[] { |
| "C.java", |
| "public class C { public static void main(String[] args) { new B().m(\"works\"); } }\n" + |
| "class B extends A { @Override <T extends Comparable<T>> void m(T t) { System.out.println(t); } }\n" + |
| "abstract class A { abstract <T extends Comparable<T>> void m(T t); }" |
| }, |
| "works" |
| ); |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=122881 |
| public void test002() { |
| if (this.complianceLevel < ClassFileConstants.JDK1_7) { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " static interface I1<E1> { void method(E1 o); }\n" + |
| " static interface I2<E2> { void method(E2 o); }\n" + |
| " static interface I3<E3, E4> extends I1<E3>, I2<E4> {}\n" + |
| " static class Class1 implements I3<String, String> {\n" + |
| " public void method(String o) { System.out.println(o); }\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " I3<String, String> i = new Class1();\n" + |
| " i.method(\"works\");\n" + |
| " }\n" + |
| "}" |
| }, |
| "works"); |
| } else { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " static interface I1<E1> { void method(E1 o); }\n" + |
| " static interface I2<E2> { void method(E2 o); }\n" + |
| " static interface I3<E3, E4> extends I1<E3>, I2<E4> {}\n" + |
| " static class Class1 implements I3<String, String> {\n" + |
| " public void method(String o) { System.out.println(o); }\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " I3<String, String> i = new Class1();\n" + |
| " i.method(\"works\");\n" + |
| " }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 4)\n" + |
| " static interface I3<E3, E4> extends I1<E3>, I2<E4> {}\n" + |
| " ^^\n" + |
| "Name clash: The method method(E2) of type X.I2<E2> has the same erasure as method(E1) of type X.I1<E1> but does not override it\n" + |
| "----------\n"); |
| } |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=122881 |
| public void test002a() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " static interface I1<E> { void method(E o); }\n" + |
| " static interface I2<E> { void method(E o); }\n" + |
| " static interface I3<E> extends I1<E>, I2<E> {}\n" + |
| " static class Class1 implements I3<String> {\n" + |
| " public void method(String o) { System.out.println(o); }\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " I3<String> i = new Class1();\n" + |
| " i.method(\"works\");\n" + |
| " }\n" + |
| "}" |
| }, |
| "works" |
| ); |
| } |
| public void test003() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X { void foo() { new BB().test(); } }\n" + |
| "class AA<T> { void test() {} }\n" + |
| "class BB extends AA<CC> { <U> void test() {} }\n" + |
| "class CC {}\n", |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 1)\n" + |
| " public class X { void foo() { new BB().test(); } }\n" + |
| " ^^^^\n" + |
| "The method test() is ambiguous for the type BB\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 3)\n" + |
| " class BB extends AA<CC> { <U> void test() {} }\n" + |
| " ^^^^^^\n" + |
| "Name clash: The method test() of type BB has the same erasure as test() of type AA<T> but does not override it\n" + |
| "----------\n" |
| ); |
| } |
| public void test003a() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void singleMatch() { System.out.print(new BB().test(new N(), new Integer(1))); }\n" + |
| " void betterMatch() { System.out.print(new CC().test(new N(), new Integer(1))); }\n" + |
| " void worseMatch() { System.out.print(new DD().test(new N(), new Integer(1))); }\n" + |
| " public static void main(String[] s) {\n" + |
| " new X().singleMatch();\n" + |
| " new X().betterMatch();\n" + |
| " new X().worseMatch();\n" + |
| " }\n" + |
| "}\n" + |
| "class AA<T> { int test(T t, Number num) { return 1; } }\n" + |
| "class BB extends AA<N> { @Override int test(N n, Number num) { return 2; } }\n" + |
| "class CC extends AA<M> { <U extends Number> int test(N n, U u) { return 3; } }\n" + |
| "class DD extends AA<N> { <U extends Number> int test(M m, U u) { return 4; } }\n" + |
| "class M {}\n" + |
| "class N extends M {}", |
| }, |
| "231" |
| ); |
| } |
| public void test003b() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void ambiguous() { new BB().test(new N()); }\n" + |
| " void exactMatch() { new CC().test(new N()); }\n" + |
| "}\n" + |
| "class AA<T> { void test(T t) {} }\n" + |
| "class BB extends AA<N> { <U> void test(N n) {} }\n" + |
| "class CC extends AA<N> { @Override void test(N n) {} }\n" + |
| "class M {}\n" + |
| "class N extends M {}", |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 2)\r\n" + |
| " void ambiguous() { new BB().test(new N()); }\r\n" + |
| " ^^^^\n" + |
| "The method test(N) is ambiguous for the type BB\n" + |
| "----------\n" |
| ); |
| } |
| public void test003c() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void ambiguous() { new BB().test(new N(), Integer.valueOf(1)); }\n" + |
| "}\n" + |
| "class AA<T> { void test(T t, Integer i) {} }\n" + |
| "class BB extends AA<M> { <U extends Number> void test(N n, U u) {} }\n" + |
| "class M {}\n" + |
| "class N extends M {}", |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 2)\n" + |
| " void ambiguous() { new BB().test(new N(), Integer.valueOf(1)); }\n" + |
| " ^^^^\n" + |
| "The method test(N, Integer) is ambiguous for the type BB\n" + |
| "----------\n" |
| ); |
| } |
| public void test004() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void test(M<Integer> m) {\n" + |
| " m.id(Integer.valueOf(111));\n" + |
| " }\n" + |
| "}\n" + |
| "class C<T extends Number> { public void id(T t) {} }\n" + |
| "class M<TT> extends C<Integer> { public <ZZ> void id(Integer i) {} }\n" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 3)\n" + |
| " m.id(Integer.valueOf(111));\n" + |
| " ^^\n" + |
| "The method id(Integer) is ambiguous for the type M<Integer>\n" + |
| "----------\n" |
| // reference to id is ambiguous, both method id(A) in C<java.lang.Integer> and method id(B) in M<java.lang.Integer,java.lang.Integer> match |
| ); |
| } |
| public void test004a() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void test(M<Integer> m) {\n" + |
| " m.id(new Integer(111));\n" + |
| " }\n" + |
| "}\n" + |
| "class C<T extends Number> { public void id(T t) {} }\n" + |
| "class M<TT> extends C<Integer> { public void id(Integer i) {} }\n" |
| }, |
| "" |
| ); |
| } |
| public void test005() { |
| // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182950 |
| String expectedCompilerLog = (this.complianceLevel == ClassFileConstants.JDK1_6)? |
| "----------\n" + |
| "1. WARNING in X.java (at line 2)\n" + |
| " <S extends A> void foo() { }\n" + |
| " ^^^^^\n" + |
| "Duplicate method foo() in type X\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 3)\n" + |
| " <N extends B> N foo() { return null; }\n" + |
| " ^^^^^\n" + |
| "Duplicate method foo() in type X\n" + |
| "----------\n" + |
| "3. ERROR in X.java (at line 5)\n" + |
| " new X().foo();\n" + |
| " ^^^\n" + |
| "The method foo() is ambiguous for the type X\n" + |
| "----------\n": |
| "----------\n" + |
| "1. ERROR in X.java (at line 2)\n" + |
| " <S extends A> void foo() { }\n" + |
| " ^^^^^\n" + |
| "Duplicate method foo() in type X\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 3)\n" + |
| " <N extends B> N foo() { return null; }\n" + |
| " ^^^^^\n" + |
| "Duplicate method foo() in type X\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " <S extends A> void foo() { }\n" + |
| " <N extends B> N foo() { return null; }\n" + |
| " void test () {\n" + |
| " new X().foo();\n" + |
| " }\n" + |
| "}\n" + |
| "class A {}\n" + |
| "class B {}\n" |
| }, |
| expectedCompilerLog); |
| /* javac 7 |
| X.java:3: name clash: <N>foo() and <S>foo() have the same erasure |
| <N extends B> N foo() { return null; } |
| ^ |
| where N,S are type-variables: |
| N extends B declared in method <N>foo() |
| S extends A declared in method <S>foo() |
| 1 error |
| */ |
| } |
| public void test006() { |
| // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182950 |
| String expectedCompilerLog = (this.complianceLevel == ClassFileConstants.JDK1_6)? |
| "----------\n" + |
| "1. ERROR in X.java (at line 3)\n" + |
| " new Y<Object>().foo(\"X\");\n" + |
| " ^^^\n" + |
| "The method foo(Object) is ambiguous for the type Y<Object>\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 4)\n" + |
| " new Y<Object>().foo2(\"X\");\n" + |
| " ^^^^\n" + |
| "The method foo2(Object) is ambiguous for the type Y<Object>\n" + |
| "----------\n" + |
| "3. WARNING in X.java (at line 10)\n" + |
| " void foo(T2 t) {}\n" + |
| " ^^^^^^^^^\n" + |
| "Name clash: The method foo(T2) of type Y<T2> has the same erasure as foo(U1) of type X<T> but does not override it\n" + |
| "----------\n" + |
| "4. WARNING in X.java (at line 11)\n" + |
| " <U3> void foo2(T2 t) {}\n" + |
| " ^^^^^^^^^^\n" + |
| "Name clash: The method foo2(T2) of type Y<T2> has the same erasure as foo2(U2) of type X<T> but does not override it\n" + |
| "----------\n": |
| "----------\n" + |
| "1. ERROR in X.java (at line 3)\n" + |
| " new Y<Object>().foo(\"X\");\n" + |
| " ^^^\n" + |
| "The method foo(Object) is ambiguous for the type Y<Object>\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 4)\n" + |
| " new Y<Object>().foo2(\"X\");\n" + |
| " ^^^^\n" + |
| "The method foo2(Object) is ambiguous for the type Y<Object>\n" + |
| "----------\n" + |
| "3. ERROR in X.java (at line 10)\n" + |
| " void foo(T2 t) {}\n" + |
| " ^^^^^^^^^\n" + |
| "Name clash: The method foo(T2) of type Y<T2> has the same erasure as foo(U1) of type X<T> but does not override it\n" + |
| "----------\n" + |
| "4. ERROR in X.java (at line 11)\n" + |
| " <U3> void foo2(T2 t) {}\n" + |
| " ^^^^^^^^^^\n" + |
| "Name clash: The method foo2(T2) of type Y<T2> has the same erasure as foo2(U2) of type X<T> but does not override it\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X<T> {\n" + |
| " void test() {\n" + |
| " new Y<Object>().foo(\"X\");\n" + |
| " new Y<Object>().foo2(\"X\");\n" + |
| " }\n" + |
| " <U1> U1 foo(U1 t) {return null;}\n" + |
| " <U2> U2 foo2(U2 t) {return null;}\n" + |
| "}\n" + |
| "class Y<T2> extends X<T2> {\n" + |
| " void foo(T2 t) {}\n" + |
| " <U3> void foo2(T2 t) {}\n" + |
| "}\n" |
| }, |
| expectedCompilerLog |
| ); |
| /* javac 7 |
| X.java:3: reference to foo is ambiguous, both method <U1>foo(U1) in X and method |
| foo(T2) in Y match |
| new Y<Object>().foo("X"); |
| ^ |
| where U1,T2 are type-variables: |
| U1 extends Object declared in method <U1>foo(U1) |
| T2 extends Object declared in class Y |
| X.java:4: reference to foo2 is ambiguous, both method <U2>foo2(U2) in X and meth |
| od <U3>foo2(T2) in Y match |
| new Y<Object>().foo2("X"); |
| ^ |
| where U2,U3,T2 are type-variables: |
| U2 extends Object declared in method <U2>foo2(U2) |
| U3 extends Object declared in method <U3>foo2(T2) |
| T2 extends Object declared in class Y |
| X.java:10: name clash: foo(T2) in Y and <U1>foo(U1) in X have the same erasure, |
| yet neither overrides the other |
| void foo(T2 t) {} |
| ^ |
| where T2,U1 are type-variables: |
| T2 extends Object declared in class Y |
| U1 extends Object declared in method <U1>foo(U1) |
| X.java:11: name clash: <U3>foo2(T2) in Y and <U2>foo2(U2) in X have the same era |
| sure, yet neither overrides the other |
| <U3> void foo2(T2 t) {} |
| ^ |
| where U3,T2,U2 are type-variables: |
| U3 extends Object declared in method <U3>foo2(T2) |
| T2 extends Object declared in class Y |
| U2 extends Object declared in method <U2>foo2(U2) |
| 4 errors |
| */ |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=129056 |
| public void test007() { |
| this.runNegativeTest( |
| new String[] { |
| "B.java", |
| "public class B {\n" + |
| " public static void main(String[] args) {\n" + |
| " new M().foo(Integer.valueOf(1), 2);\n" + |
| " new N().foo(Integer.valueOf(1), 2);\n" + |
| " }\n" + |
| "}" + |
| "interface I { void foo(Number arg1, Number arg2); }\n" + |
| "class M {\n" + |
| " public void foo(int arg1, int arg2) {}\n" + |
| " public void foo(Number arg1, Number arg2) {}\n" + |
| "}\n" + |
| "class N implements I {\n" + |
| " public void foo(int arg1, int arg2) {}\n" + |
| " public void foo(Number arg1, Number arg2) {}\n" + |
| "}\n" |
| }, |
| "----------\n" + |
| "1. ERROR in B.java (at line 3)\r\n" + |
| " new M().foo(Integer.valueOf(1), 2);\r\n" + |
| " ^^^\n" + |
| "The method foo(int, int) is ambiguous for the type M\n" + |
| "----------\n" + |
| "2. ERROR in B.java (at line 4)\r\n" + |
| " new N().foo(Integer.valueOf(1), 2);\r\n" + |
| " ^^^\n" + |
| "The method foo(int, int) is ambiguous for the type N\n" + |
| "----------\n" |
| // reference to foo is ambiguous, both method foo(int,int) in M and method foo(java.lang.Number,java.lang.Number) in M match |
| // reference to foo is ambiguous, both method foo(int,int) in N and method foo(java.lang.Number,java.lang.Number) in N match |
| ); |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=123943 - case 1 |
| public void test008() { |
| this.runConformTest( |
| new String[] { |
| "AA.java", |
| "public class AA {\n" + |
| " public static void main(String[] a) { System.out.print(new C().test(new T())); }\n" + |
| "}" + |
| "class S {}\n" + |
| "class T extends S {}\n" + |
| "class B { <U extends S> int test(U u) {return -1;} }\n" + |
| "class C extends B { @Override int test(S s) {return 1;} }" |
| }, |
| "1" |
| ); |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=123943 - case 1 |
| public void test008a() { |
| this.runNegativeTest( |
| new String[] { |
| "A.java", |
| "public class A { void check() { new C().test(new T()); } }\n" + |
| "class S {}\n" + |
| "class T extends S {}\n" + |
| "class B { int test(S s) {return 1;} }\n" + |
| "class C extends B { <U extends S> int test(U u) {return -1;} }" |
| }, |
| "----------\n" + |
| "1. ERROR in A.java (at line 1)\n" + |
| " public class A { void check() { new C().test(new T()); } }\n" + |
| " ^^^^\n" + |
| "The method test(T) is ambiguous for the type C\n" + |
| "----------\n" + |
| "2. ERROR in A.java (at line 5)\n" + |
| " class C extends B { <U extends S> int test(U u) {return -1;} }\n" + |
| " ^^^^^^^^^\n" + |
| "Name clash: The method test(U) of type C has the same erasure as test(S) of type B but does not override it\n" + |
| "----------\n" |
| ); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=123943 - case 2 |
| // see also Bug 399567 - [1.8] Different error message from the reference compiler |
| public void test009() { |
| String[] testFiles = |
| new String[] { |
| "T.java", |
| "import java.util.*;\n" + |
| "public class T {\n" + |
| " void test() {\n" + |
| " OrderedSet<String> os = null;\n" + |
| " os.add(\"hello\");\n" + |
| " OrderedSet<Integer> os2 = null;\n" + |
| " os2.add(1);\n" + |
| " }\n" + |
| "}\n" + |
| "interface OrderedSet<E> extends List<E>, Set<E> { boolean add(E o); }\n" |
| }; |
| if (this.complianceLevel < ClassFileConstants.JDK1_8) |
| this.runConformTest(testFiles, ""); |
| else |
| this.runNegativeTest( |
| testFiles, |
| "----------\n" + |
| "1. WARNING in T.java (at line 5)\n" + |
| " os.add(\"hello\");\n" + |
| " ^^\n" + |
| "Null pointer access: The variable os can only be null at this location\n" + |
| "----------\n" + |
| "2. WARNING in T.java (at line 7)\n" + |
| " os2.add(1);\n" + |
| " ^^^\n" + |
| "Null pointer access: The variable os2 can only be null at this location\n" + |
| "----------\n" + |
| "3. ERROR in T.java (at line 10)\n" + |
| " interface OrderedSet<E> extends List<E>, Set<E> { boolean add(E o); }\n" + |
| " ^^^^^^^^^^\n" + |
| "Duplicate default methods named spliterator with the parameters () and () are inherited from the types Set<E> and List<E>\n" + |
| "----------\n"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=123943 variant to make it pass on JRE8 |
| public void test009a() { |
| if (this.complianceLevel < ClassFileConstants.JDK1_8) |
| return; |
| this.runConformTest( |
| new String[] { |
| "T.java", |
| "import java.util.*;\n" + |
| "public class T {\n" + |
| " void test() {\n" + |
| " OrderedSet<String> os = null;\n" + |
| " os.add(\"hello\");\n" + |
| " OrderedSet<Integer> os2 = null;\n" + |
| " os2.add(1);\n" + |
| " }\n" + |
| "}\n" + |
| "interface OrderedSet<E> extends List<E>, Set<E> {\n" + |
| " boolean add(E o);\n" + |
| " default Spliterator<E> spliterator() { return null; }\n" + |
| "}\n" |
| }, |
| "" |
| ); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=121024 |
| public void test010a() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " interface Listener {}\n" + |
| " interface ErrorListener {}\n" + |
| " static <L1 extends Listener & ErrorListener> Object createParser(L1 l) { return null; }\n" + |
| " static <L2 extends ErrorListener & Listener> Object createParser(L2 l) { return null; }\n" + |
| " public static void main(String[] s) {\n" + |
| " class A implements Listener, ErrorListener {}\n" + |
| " createParser(new A());\n" + |
| " }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 8)\n" + |
| " createParser(new A());\n" + |
| " ^^^^^^^^^^^^\n" + |
| "The method createParser(A) is ambiguous for the type X\n" + |
| "----------\n" |
| ); |
| // javac 7 randomly picks which ever method is second |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=121024 |
| public void test010b() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " interface Listener {}\n" + |
| " interface ErrorListener {}\n" + |
| " static <L1 extends Listener> int createParser(L1 l) { return 1; }\n" + |
| " static <L2 extends ErrorListener & Listener> int createParser(L2 l) { return 2; }\n" + |
| " public static void main(String[] s) {\n" + |
| " class A implements Listener, ErrorListener {}\n" + |
| " System.out.print(createParser(new A()));\n" + |
| " }\n" + |
| "}" |
| }, |
| "2" |
| ); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=121024 |
| public void test010c() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " interface Listener {}\n" + |
| " interface ErrorListener {}\n" + |
| " static int createParser(Listener l) { return 1; }\n" + |
| " static <L extends ErrorListener & Listener> int createParser(L l) { return 2; }\n" + |
| " public static void main(String[] s) {\n" + |
| " class A implements Listener, ErrorListener {}\n" + |
| " System.out.print(createParser(new A()));\n" + |
| " }\n" + |
| "}" |
| }, |
| "2" |
| ); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=106090 |
| public void test011() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X<A extends Number> extends Y<A> {\n" + |
| " <T> void foo(A n, T t) throws ExOne {}\n" + |
| " void test(X<Integer> x) throws ExTwo { x.foo(Integer.valueOf(1), Integer.valueOf(2)); }\n" + |
| " void test2(X x) throws ExTwo { x.foo(Integer.valueOf(1), Integer.valueOf(2)); }\n" + |
| "}\n" + |
| "class Y<C extends Number> {\n" + |
| " void foo(C x, C n) throws ExTwo {}\n" + |
| "}\n" + |
| "class ExOne extends Exception {static final long serialVersionUID = 1;}\n" + |
| "class ExTwo extends Exception {static final long serialVersionUID = 2;}" |
| }, |
| "----------\n" + |
| "1. WARNING in X.java (at line 4)\n" + |
| " void test2(X x) throws ExTwo { x.foo(Integer.valueOf(1), Integer.valueOf(2)); }\n" + |
| " ^\n" + |
| "X is a raw type. References to generic type X<A> should be parameterized\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 4)\n" + |
| " void test2(X x) throws ExTwo { x.foo(Integer.valueOf(1), Integer.valueOf(2)); }\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Type safety: The method foo(Number, Number) belongs to the raw type Y. References to generic type Y<C> should be parameterized\n" + |
| "----------\n" |
| // test2 - warning: [unchecked] unchecked call to foo(C,C) as a member of the raw type Y |
| ); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=106090 |
| public void test011a() { |
| // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182950 |
| String expectedCompilerLog = (this.complianceLevel == ClassFileConstants.JDK1_6)? |
| "----------\n" + |
| "1. WARNING in Combined.java (at line 2)\n" + |
| " <T extends Comparable<T>> void pickOne(T value) throws ExOne {}\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method pickOne(T) is the same as another method in type Combined<A,B>\n" + |
| "----------\n" + |
| "2. WARNING in Combined.java (at line 3)\n" + |
| " <T> T pickOne(Comparable<T> value) throws ExTwo { return null;}\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method pickOne(Comparable<T>) is the same as another method in type Combined<A,B>\n" + |
| "----------\n": |
| "----------\n" + |
| "1. ERROR in Combined.java (at line 2)\n" + |
| " <T extends Comparable<T>> void pickOne(T value) throws ExOne {}\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method pickOne(T) is the same as another method in type Combined<A,B>\n" + |
| "----------\n" + |
| "2. ERROR in Combined.java (at line 3)\n" + |
| " <T> T pickOne(Comparable<T> value) throws ExTwo { return null;}\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method pickOne(Comparable<T>) is the same as another method in type Combined<A,B>\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| new String[] { |
| "Combined.java", |
| "public class Combined<A, B> {\n" + |
| " <T extends Comparable<T>> void pickOne(T value) throws ExOne {}\n" + |
| " <T> T pickOne(Comparable<T> value) throws ExTwo { return null;}\n" + |
| " void pickOne(Combined<Integer,Integer> c) throws ExOne { c.pickOne(\"test\"); }\n" + |
| " <T extends Number> void pickTwo(Number n, T t) throws ExOne {}\n" + |
| " void pickTwo(A x, Number n) throws ExTwo {}\n" + |
| " void pickTwo(Combined<Integer,Integer> c) throws ExTwo { c.pickTwo(Integer.valueOf(1), 2); }\n" + |
| "}\n" + |
| "class ExOne extends Exception {static final long serialVersionUID = 1;}\n" + |
| "class ExTwo extends Exception {static final long serialVersionUID = 2;}" |
| }, |
| expectedCompilerLog |
| ); |
| /* javac 7 |
| X.java:3: name clash: <T#1>pickOne(Comparable<T#1>) and <T#2>pickOne(T#2) have the same erasure |
| <T> T pickOne(Comparable<T> value) throws ExTwo { return null;} |
| ^ |
| where T#1,T#2 are type-variables: |
| T#1 extends Object declared in method <T#1>pickOne(Comparable<T#1>) |
| T#2 extends Comparable<T#2> declared in method <T#2>pickOne(T#2) |
| 1 error |
| */ |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=106090 |
| public void test011b() { |
| // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182950 |
| String expectedCompilerLog = (this.complianceLevel == ClassFileConstants.JDK1_6)? |
| "----------\n" + |
| "1. WARNING in Test1.java (at line 2)\n" + |
| " <T extends Comparable<T>> void pickOne(T value) throws ExOne {}\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method pickOne(T) is the same as another method in type Test1<AA,BB>\n" + |
| "----------\n" + |
| "2. WARNING in Test1.java (at line 3)\n" + |
| " <T> T pickOne(Comparable<T> value) throws ExTwo { return null;}\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method pickOne(Comparable<T>) is the same as another method in type Test1<AA,BB>\n" + |
| "----------\n" + |
| "3. WARNING in Test1.java (at line 4)\n" + |
| " void pickOne2(Test1<Integer,Integer> c) throws ExOne { c.pickOne((Comparable) \"test\"); }\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Type safety: Unchecked invocation pickOne(Comparable) of the generic method pickOne(T) of type Test1<Integer,Integer>\n" + |
| "----------\n" + |
| "4. WARNING in Test1.java (at line 4)\n" + |
| " void pickOne2(Test1<Integer,Integer> c) throws ExOne { c.pickOne((Comparable) \"test\"); }\n" + |
| " ^^^^^^^^^^\n" + |
| "Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" + |
| "----------\n": |
| "----------\n" + |
| "1. ERROR in Test1.java (at line 2)\n" + |
| " <T extends Comparable<T>> void pickOne(T value) throws ExOne {}\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method pickOne(T) is the same as another method in type Test1<AA,BB>\n" + |
| "----------\n" + |
| "2. ERROR in Test1.java (at line 3)\n" + |
| " <T> T pickOne(Comparable<T> value) throws ExTwo { return null;}\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method pickOne(Comparable<T>) is the same as another method in type Test1<AA,BB>\n" + |
| "----------\n" + |
| "3. WARNING in Test1.java (at line 4)\n" + |
| " void pickOne2(Test1<Integer,Integer> c) throws ExOne { c.pickOne((Comparable) \"test\"); }\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Type safety: Unchecked invocation pickOne(Comparable) of the generic method pickOne(T) of type Test1<Integer,Integer>\n" + |
| "----------\n" + |
| "4. WARNING in Test1.java (at line 4)\n" + |
| " void pickOne2(Test1<Integer,Integer> c) throws ExOne { c.pickOne((Comparable) \"test\"); }\n" + |
| " ^^^^^^^^^^\n" + |
| "Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| new String[] { |
| "Test1.java", |
| "public class Test1<AA, BB> {\n" + |
| " <T extends Comparable<T>> void pickOne(T value) throws ExOne {}\n" + |
| " <T> T pickOne(Comparable<T> value) throws ExTwo { return null;}\n" + |
| " void pickOne2(Test1<Integer,Integer> c) throws ExOne { c.pickOne((Comparable) \"test\"); }\n" + |
| "}\n" + |
| "class ExOne extends Exception {static final long serialVersionUID = 1;}\n" + |
| "class ExTwo extends Exception {static final long serialVersionUID = 2;}" |
| }, |
| expectedCompilerLog |
| ); |
| /* javac 7 |
| X.java:3: name clash: <T#1>pickOne(Comparable<T#1>) and <T#2>pickOne(T#2) have the same erasure |
| <T> T pickOne(Comparable<T> value) throws ExTwo { return null;} |
| ^ |
| where T#1,T#2 are type-variables: |
| T#1 extends Object declared in method <T#1>pickOne(Comparable<T#1>) |
| T#2 extends Comparable<T#2> declared in method <T#2>pickOne(T#2) |
| X.java:4: warning: [unchecked] unchecked method invocation: method pickOne in class Test1 is applied to given types |
| void pickOne2(Test1<Integer,Integer> c) throws ExOne { c.pickOne((Comparable) "test"); } |
| ^ |
| required: T |
| found: Comparable |
| where T is a type-variable: |
| T extends Comparable<T> declared in method <T>pickOne(T) |
| 1 error |
| 1 warning |
| */ |
| } |
| public void test012() { |
| this.runConformTest( |
| new String[] { |
| "XX.java", |
| "public class XX {\n" + |
| " public static void main(String[] s) { System.out.println(new B().id(new Integer(1))); }\n" + |
| "}\n" + |
| "class A<T extends Number> { public int id(T t) {return 2;} }\n" + |
| "class B extends A<Integer> { public int id(Integer i) {return 1;} }" |
| }, |
| "1" |
| ); |
| } |
| public void test012a() { |
| this.runNegativeTest( |
| new String[] { |
| "XX.java", |
| "public class XX {\n" + |
| " public static void main(String[] s) { System.out.println(new B().id(Integer.valueOf(1))); }\n" + |
| "}\n" + |
| "class A<T extends Number> { public int id(T t) {return 2;} }\n" + |
| "class B extends A<Integer> { public <ZZ> int id(Integer i) {return 1;} }" |
| }, |
| "----------\n" + |
| "1. ERROR in XX.java (at line 2)\r\n" + |
| " public static void main(String[] s) { System.out.println(new B().id(Integer.valueOf(1))); }\r\n" + |
| " ^^\n" + |
| "The method id(Integer) is ambiguous for the type B\n" + |
| "----------\n" |
| // reference to id is ambiguous, both method id(T) in A<java.lang.Integer> and method <ZZ>id(java.lang.Integer) in B match |
| ); |
| } |
| public void test013() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " <E extends A> void m(E e) { System.out.print(1); }\n" + |
| " <E extends B> void m(E e) { System.out.print(2); }\n" + |
| " public static void main(String[] args) {\n" + |
| " new X().m(new A());\n" + |
| " new X().m(new B());\n" + |
| " }\n" + |
| "}\n" + |
| "class A {}\n" + |
| "class B extends A {}\n" |
| }, |
| "12" |
| ); |
| } |
| public void test014() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void a(G x) { System.out.print(1); }\n" + |
| " void b(F x) { System.out.print(2); }\n" + |
| " public static void main(String[] args) {\n" + |
| " H<C> h = null;\n" + |
| " G<C> g = null;\n" + |
| " new X().a(h);\n" + |
| " new X().a(g);\n" + |
| " new X().b(h);\n" + |
| " new X().b(g);\n" + |
| " }\n" + |
| "}\n" + |
| "class A {}\n" + |
| "class B extends A {}\n" + |
| "class C extends B {}\n" + |
| "class F<T1> {} \n" + |
| "class G<T2> extends F<T2> {}\n" + |
| "class H<T3> extends G<T3> {}" |
| }, |
| "1122" |
| ); |
| } |
| public void test014a() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void a(G<C> x) { System.out.print(1); }\n" + |
| " void b(F<C> x) { System.out.print(2); }\n" + |
| " public static void main(String[] args) {\n" + |
| " H h = null;\n" + |
| " G g = null;\n" + |
| " new X().a(h);\n" + |
| " new X().a(g);\n" + |
| " new X().b(h);\n" + |
| " new X().b(g);\n" + |
| " }\n" + |
| "}\n" + |
| "class A {}\n" + |
| "class B extends A {}\n" + |
| "class C extends B {}\n" + |
| "class F<T1> {} \n" + |
| "class G<T2> extends F<T2> {}\n" + |
| "class H<T3> extends G<T3> {}" |
| }, |
| "1122" |
| ); |
| } |
| public void test014b() { |
| this.runConformTest( |
| new String[] { |
| "X0.java", |
| "public class X0 {\n" + |
| " void two(G x) { System.out.print(1); }\n" + |
| " void two(F<A> x) { System.out.print(2); }\n" + |
| " void three(G x) { System.out.print(3); }\n" + |
| " void three(F<B> x) { System.out.print(4); }\n" + |
| " public static void main(String[] args) {\n" + |
| " H<C> h = null;\n" + |
| " new X0().two(h);\n" + |
| " new X0().three(h);\n" + |
| " }\n" + |
| "}\n" + |
| "class A {}\n" + |
| "class B extends A {}\n" + |
| "class C extends B {}\n" + |
| "class F<T1> {} \n" + |
| "class G<T2> extends F<T2> {}\n" + |
| "class H<T3> extends G<T3> {}" |
| }, |
| "13" |
| ); |
| } |
| public void test014c() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void a(G x) {}\n" + |
| " void a(F<C> x) {}\n" + |
| " void b(G<C> x) {}\n" + |
| " void b(F x) {}\n" + |
| " public static void main(String[] args) {\n" + |
| " H<C> h = null;\n" + |
| " new X().a(h);\n" + |
| " new X().b(h);\n" + |
| " }\n" + |
| "}\n" + |
| "class A {}\n" + |
| "class B extends A {}\n" + |
| "class C extends B {}\n" + |
| "class F<T1> {} \n" + |
| "class G<T2> extends F<T2> {}\n" + |
| "class H<T3> extends G<T3> {}" |
| }, |
| "----------\n" + |
| "1. WARNING in X.java (at line 2)\r\n" + |
| " void a(G x) {}\r\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 5)\r\n" + |
| " void b(F x) {}\r\n" + |
| " ^\n" + |
| "F is a raw type. References to generic type F<T1> should be parameterized\n" + |
| "----------\n" + |
| "3. ERROR in X.java (at line 8)\r\n" + |
| " new X().a(h);\r\n" + |
| " ^\n" + |
| "The method a(G) is ambiguous for the type X\n" + |
| "----------\n" |
| // reference to a is ambiguous, both method a(G) in X and method a(F<C>) in X match |
| ); |
| } |
| public void test014d() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void one(G<B> x) {}\n" + |
| " void one(F<B> x) {}\n" + |
| " public static void main(String[] args) {\n" + |
| " H<C> h = null;\n" + |
| " new X().one(h);\n" + // no match |
| " }\n" + |
| "}\n" + |
| "class A {}\n" + |
| "class B extends A {}\n" + |
| "class C extends B {}\n" + |
| "class F<T1> {} \n" + |
| "class G<T2> extends F<T2> {}\n" + |
| "class H<T3> extends G<T3> {}" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 6)\r\n" + |
| " new X().one(h);\r\n" + |
| " ^^^\n" + |
| "The method one(G<B>) in the type X is not applicable for the arguments (H<C>)\n" + |
| "----------\n" |
| ); |
| } |
| public void test014e() { |
| this.runConformTest( |
| new String[] { |
| "X1.java", |
| "public class X1 {\n" + |
| " void two(G<C> x) { System.out.print(1); }\n" + |
| " void two(F<B> x) { System.out.print(2); }\n" + |
| " void three(G<B> x) { System.out.print(3); }\n" + |
| " void three(F<C> x) { System.out.print(4); }\n" + |
| " void four(G<C> x) { System.out.print(5); }\n" + |
| " void four(F<C> x) { System.out.print(6); }\n" + |
| " public static void main(String[] args) {\n" + |
| " H<C> h = null;\n" + |
| " new X1().two(h);\n" + |
| " new X1().three(h);\n" + |
| " new X1().four(h);\n" + |
| " }\n" + |
| "}\n" + |
| "class A {}\n" + |
| "class B extends A {}\n" + |
| "class C extends B {}\n" + |
| "class F<T1> {} \n" + |
| "class G<T2> extends F<T2> {}\n" + |
| "class H<T3> extends G<T3> {}" |
| }, |
| "145" |
| ); |
| } |
| public void test014f() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " <E1, E2 extends B> void three(G<E2> x) {}\n" + |
| " <E3 extends C> void three(F<E3> x) {}\n" + |
| " public static void main(String[] args) {\n" + |
| " H<C> h = null;\n" + |
| " new X().three(h);\n" + |
| " }\n" + |
| "}\n" + |
| "class A {}\n" + |
| "class B extends A {}\n" + |
| "class C extends B {}\n" + |
| "class F<T1> {} \n" + |
| "class G<T2> extends F<T2> {}\n" + |
| "class H<T3> extends G<T3> {}" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 6)\r\n" + |
| " new X().three(h);\r\n" + |
| " ^^^^^\n" + |
| "The method three(G<C>) is ambiguous for the type X\n" + |
| "----------\n" |
| ); |
| } |
| public void test014g() { |
| this.runConformTest( |
| new String[] { |
| "X3.java", |
| "public class X3 {\n" + |
| " <E1, E2 extends B> void one(G<E2> x) { System.out.print(1); }\n" + |
| " <E3 extends B> void one(F<E3> x) { System.out.print(2); }\n" + |
| " <E1, E2 extends C> void two(G<E2> x) { System.out.print(3); }\n" + |
| " <E3 extends B> void two(F<E3> x) { System.out.print(4); }\n" + |
| " <E1, E2 extends C> void four(G<E2> x) { System.out.print(5); }\n" + |
| " <E3 extends C> void four(F<E3> x) { System.out.print(6); }\n" + |
| " public static void main(String[] args) {\n" + |
| " H<C> h = null;\n" + |
| " new X3().one(h);\n" + |
| " new X3().two(h);\n" + |
| " new X3().four(h);\n" + |
| " }\n" + |
| "}\n" + |
| "class A {}\n" + |
| "class B extends A {}\n" + |
| "class C extends B {}\n" + |
| "class F<T1> {} \n" + |
| "class G<T2> extends F<T2> {}\n" + |
| "class H<T3> extends G<T3> {}" |
| }, |
| "135" |
| ); |
| } |
| public void test014h() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void x(G x) { System.out.print(true); }\n" + |
| " void x(F x) { System.out.print(false); }\n" + |
| " void x2(G<C> x) { System.out.print(true); }\n" + |
| " void x2(F<C> x) { System.out.print(false); }\n" + |
| " void a(G x) {}\n" + |
| " void a(F<C> x) {}\n" + |
| " void a2(G x) {}\n" + |
| " <T extends C> void a2(F<T> x) {}\n" + |
| " void a3(G x) {}\n" + |
| " <T extends F<C>> void a3(T x) {}\n" + |
| " void a4(G x) {}\n" + |
| " <T extends C, S extends F<T>> void a4(S x) {}\n" + |
| " <T extends G> void a5(T x) {}\n" + |
| " void a5(F<C> x) {}\n" + |
| " <T extends G> void a6(T x) {}\n" + |
| " <T extends C, S extends F<T>> void a6(S x) {}\n" + |
| " void b(G<C> x) { System.out.print(true); }\n" + |
| " void b(F x) { System.out.print(false); }\n" + |
| " void b2(G<C> x) { System.out.print(true); }\n" + |
| " <T extends F> void b2(T x) { System.out.print(false); }\n" + |
| " <T extends C> void b3(G<T> x) { System.out.print(true); }\n" + |
| " void b3(F x) { System.out.print(false); }\n" + |
| " <T extends G<C>> void b4(T x) { System.out.print(true); }\n" + |
| " void b4(F x) { System.out.print(false); }\n" + |
| " <T extends C, S extends G<T>> void b5(S x) { System.out.print(true); }\n" + |
| " void b5(F x) { System.out.print(false); }\n" + |
| " void c(G x) { System.out.print(true); }\n" + |
| " <T extends C> void c(F x) { System.out.print(false); }\n" + |
| " public static void main(String[] args) {\n" + |
| " H<C> h = null;\n" + |
| " H hraw = null;\n" + |
| " new X().x(h);\n" + |
| " new X().x(hraw);\n" + |
| " new X().x2(h);\n" + |
| " new X().x2(hraw);\n" + |
| " new X().b(h);\n" + |
| " new X().b(hraw);\n" + |
| " new X().b2(h);\n" + |
| " new X().b2(hraw);\n" + |
| " new X().b3(h);\n" + |
| " new X().b3(hraw);\n" + |
| " new X().b4(h);\n" + |
| " new X().b4(hraw);\n" + |
| " new X().b5(h);\n" + |
| " new X().b5(hraw);\n" + |
| " new X().c(h);\n" + |
| " new X().c(hraw);\n" + |
| " }\n" + |
| "}\n" + |
| "class A {}\n" + |
| "class B extends A {}\n" + |
| "class C extends B {}\n" + |
| "class F<T1> {} \n" + |
| "class G<T2> extends F<T2> {}\n" + |
| "class H<T3> extends G<T3> {}" |
| }, |
| "truetruetruetruetruetruetruetruetruetruetruetruetruetruetruetrue" |
| ); |
| this.runNegativeTest( |
| new String[] { |
| "Y.java", |
| "public class Y extends X {\n" + |
| " public static void ambiguousCases() {\n" + |
| " H<C> h = null;\n" + |
| " H hraw = null;\n" + |
| " new X().a(h);\n" + |
| " new X().a(hraw);\n" + |
| " new X().a2(h);\n" + |
| " new X().a2(hraw);\n" + |
| " new X().a3(h);\n" + |
| " new X().a3(hraw);\n" + |
| " new X().a4(h);\n" + |
| " new X().a4(hraw);\n" + |
| " new X().a5(h);\n" + |
| " new X().a5(hraw);\n" + |
| " new X().a6(h);\n" + |
| " new X().a6(hraw);\n" + |
| " }\n" + |
| "}\n" |
| }, |
| (this.complianceLevel < ClassFileConstants.JDK1_8 ? |
| "----------\n" + |
| "1. WARNING in Y.java (at line 4)\n" + |
| " H hraw = null;\n" + |
| " ^\n" + |
| "H is a raw type. References to generic type H<T3> should be parameterized\n" + |
| "----------\n" + |
| "2. ERROR in Y.java (at line 5)\n" + |
| " new X().a(h);\n" + |
| " ^\n" + |
| "The method a(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "3. ERROR in Y.java (at line 6)\n" + |
| " new X().a(hraw);\n" + |
| " ^\n" + |
| "The method a(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "4. ERROR in Y.java (at line 7)\n" + |
| " new X().a2(h);\n" + |
| " ^^\n" + |
| "The method a2(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "5. ERROR in Y.java (at line 8)\n" + |
| " new X().a2(hraw);\n" + |
| " ^^\n" + |
| "The method a2(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "6. ERROR in Y.java (at line 9)\n" + |
| " new X().a3(h);\n" + |
| " ^^\n" + |
| "The method a3(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "7. ERROR in Y.java (at line 10)\n" + |
| " new X().a3(hraw);\n" + |
| " ^^\n" + |
| "The method a3(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "8. ERROR in Y.java (at line 11)\n" + |
| " new X().a4(h);\n" + |
| " ^^\n" + |
| "The method a4(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "9. ERROR in Y.java (at line 12)\n" + |
| " new X().a4(hraw);\n" + |
| " ^^\n" + |
| "The method a4(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "10. ERROR in Y.java (at line 13)\n" + |
| " new X().a5(h);\n" + |
| " ^^\n" + |
| "The method a5(H<C>) is ambiguous for the type X\n" + |
| "----------\n" + |
| "11. ERROR in Y.java (at line 14)\n" + |
| " new X().a5(hraw);\n" + |
| " ^^\n" + |
| "The method a5(H) is ambiguous for the type X\n" + |
| "----------\n" + |
| "12. ERROR in Y.java (at line 15)\n" + |
| " new X().a6(h);\n" + |
| " ^^\n" + |
| "The method a6(H<C>) is ambiguous for the type X\n" + |
| "----------\n" + |
| "13. ERROR in Y.java (at line 16)\n" + |
| " new X().a6(hraw);\n" + |
| " ^^\n" + |
| "The method a6(H) is ambiguous for the type X\n" + |
| "----------\n" |
| : // in 1.8 fewer of the calls are ambiguous |
| "----------\n" + |
| "1. WARNING in Y.java (at line 4)\n" + |
| " H hraw = null;\n" + |
| " ^\n" + |
| "H is a raw type. References to generic type H<T3> should be parameterized\n" + |
| "----------\n" + |
| "2. ERROR in Y.java (at line 5)\n" + |
| " new X().a(h);\n" + |
| " ^\n" + |
| "The method a(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "3. ERROR in Y.java (at line 6)\n" + |
| " new X().a(hraw);\n" + |
| " ^\n" + |
| "The method a(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "4. ERROR in Y.java (at line 7)\n" + |
| " new X().a2(h);\n" + |
| " ^^\n" + |
| "The method a2(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "5. ERROR in Y.java (at line 8)\n" + |
| " new X().a2(hraw);\n" + |
| " ^^\n" + |
| "The method a2(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "6. ERROR in Y.java (at line 13)\n" + |
| " new X().a5(h);\n" + |
| " ^^\n" + |
| "The method a5(H<C>) is ambiguous for the type X\n" + |
| "----------\n" + |
| "7. ERROR in Y.java (at line 14)\n" + |
| " new X().a5(hraw);\n" + |
| " ^^\n" + |
| "The method a5(H) is ambiguous for the type X\n" + |
| "----------\n"), |
| null, |
| false |
| ); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=262209 |
| public void test014i() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "interface I<T> {}\n" + |
| "interface J<T> extends I<T> {}\n" + |
| "\n" + |
| "class X {\n" + |
| " void a(G x) {}\n" + |
| " <T extends C, S extends F<T>> void a(S x) {}\n" + |
| "\n" + |
| " void b(G x) {}\n" + |
| " void b(F x) {}\n" + |
| "\n" + |
| " void c(G x) {}\n" + |
| " void c(F<?> x) {}\n" + |
| "\n" + |
| " void d(G x) {}\n" + |
| " void d(F<C> x) {}\n" + |
| "\n" + |
| " void e(G x) {}\n" + |
| " <T extends C> void e(F<T> x) {}\n" + |
| "\n" + |
| " void f(G x) {}\n" + |
| " <S extends F> void f(S x) {}\n" + |
| "\n" + |
| " void g(G x) {}\n" + |
| " <S extends F & J<S>> void g(S x) {}\n" + |
| "\n" + |
| " <T extends G> void a2(T x) {}\n" + |
| " <T extends C, S extends F<T>> void a2(S x) {}\n" + |
| "\n" + |
| " <T extends G> void b2(T x) {}\n" + |
| " void b2(F x) {}\n" + |
| "\n" + |
| " <T extends G> void c2(T x) {}\n" + |
| " void c2(F<?> x) {}\n" + |
| "\n" + |
| " <T extends G> void d2(T x) {}\n" + |
| " void d2(F<C> x) {}\n" + |
| "\n" + |
| " <T extends G> void e2(T x) {}\n" + |
| " <T extends C> void e2(F<T> x) {}\n" + |
| "\n" + |
| " <T extends G> void f2(T x) {}\n" + |
| " <S extends F & J> void f2(S x) {}\n" + |
| "\n" + |
| " <T extends G> void g2(T x) {}\n" + |
| " <S extends F & J<S>> void g2(S x) {}\n" + |
| "\n" + |
| " void test() {\n" + |
| " X x = new X();\n" + |
| " H<C> h = null;\n" + |
| " H hraw = null;\n" + |
| "\n" + |
| " x.a(h);\n" + |
| " x.a(hraw);\n" + |
| "\n" + |
| " x.b(h);\n" + |
| " x.b(hraw);\n" + |
| "\n" + |
| " x.c(h);\n" + |
| " x.c(hraw);\n" + |
| "\n" + |
| " x.d(h);\n" + |
| " x.d(hraw);\n" + |
| "\n" + |
| " x.e(h);\n" + |
| " x.e(hraw);\n" + |
| "\n" + |
| " x.f(h);\n" + |
| " x.f(hraw);\n" + |
| "\n" + |
| " x.g(h);\n" + |
| " x.g(hraw);\n" + |
| "\n" + |
| " x.a2(h);\n" + |
| " x.a2(hraw);\n" + |
| "\n" + |
| " x.b2(h); \n" + |
| " x.b2(hraw);\n" + |
| "\n" + |
| " x.c2(h);\n" + |
| " x.c2(hraw);\n" + |
| "\n" + |
| " x.d2(h);\n" + |
| " x.d2(hraw);\n" + |
| "\n" + |
| " x.e2(h);\n" + |
| " x.e2(hraw);\n" + |
| "\n" + |
| " x.f2(h);\n" + |
| " x.f2(hraw);\n" + |
| "\n" + |
| " x.g2(h); \n" + |
| " x.g2(hraw);\n" + |
| " }\n" + |
| "}\n" + |
| "\n" + |
| "class A {}\n" + |
| "class B extends A {}\n" + |
| "class C extends B implements I {}\n" + |
| "class F<T1> {} \n" + |
| "class G<T2> extends F<T2> implements J<T2> {}\n" + |
| "class H<T3> extends G<T3> {}\n" |
| }, |
| "----------\n" + |
| "1. WARNING in X.java (at line 5)\n" + |
| " void a(G x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 8)\n" + |
| " void b(G x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "3. WARNING in X.java (at line 9)\n" + |
| " void b(F x) {}\n" + |
| " ^\n" + |
| "F is a raw type. References to generic type F<T1> should be parameterized\n" + |
| "----------\n" + |
| "4. WARNING in X.java (at line 11)\n" + |
| " void c(G x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "5. WARNING in X.java (at line 14)\n" + |
| " void d(G x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "6. WARNING in X.java (at line 17)\n" + |
| " void e(G x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "7. WARNING in X.java (at line 20)\n" + |
| " void f(G x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "8. WARNING in X.java (at line 21)\n" + |
| " <S extends F> void f(S x) {}\n" + |
| " ^\n" + |
| "F is a raw type. References to generic type F<T1> should be parameterized\n" + |
| "----------\n" + |
| "9. WARNING in X.java (at line 23)\n" + |
| " void g(G x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "10. WARNING in X.java (at line 24)\n" + |
| " <S extends F & J<S>> void g(S x) {}\n" + |
| " ^\n" + |
| "F is a raw type. References to generic type F<T1> should be parameterized\n" + |
| "----------\n" + |
| "11. WARNING in X.java (at line 26)\n" + |
| " <T extends G> void a2(T x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "12. WARNING in X.java (at line 29)\n" + |
| " <T extends G> void b2(T x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "13. WARNING in X.java (at line 30)\n" + |
| " void b2(F x) {}\n" + |
| " ^\n" + |
| "F is a raw type. References to generic type F<T1> should be parameterized\n" + |
| "----------\n" + |
| "14. WARNING in X.java (at line 32)\n" + |
| " <T extends G> void c2(T x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "15. WARNING in X.java (at line 35)\n" + |
| " <T extends G> void d2(T x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "16. WARNING in X.java (at line 38)\n" + |
| " <T extends G> void e2(T x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "17. WARNING in X.java (at line 41)\n" + |
| " <T extends G> void f2(T x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "18. WARNING in X.java (at line 42)\n" + |
| " <S extends F & J> void f2(S x) {}\n" + |
| " ^\n" + |
| "F is a raw type. References to generic type F<T1> should be parameterized\n" + |
| "----------\n" + |
| "19. WARNING in X.java (at line 42)\n" + |
| " <S extends F & J> void f2(S x) {}\n" + |
| " ^\n" + |
| "J is a raw type. References to generic type J<T> should be parameterized\n" + |
| "----------\n" + |
| "20. WARNING in X.java (at line 44)\n" + |
| " <T extends G> void g2(T x) {}\n" + |
| " ^\n" + |
| "G is a raw type. References to generic type G<T2> should be parameterized\n" + |
| "----------\n" + |
| "21. WARNING in X.java (at line 45)\n" + |
| " <S extends F & J<S>> void g2(S x) {}\n" + |
| " ^\n" + |
| "F is a raw type. References to generic type F<T1> should be parameterized\n" + |
| "----------\n" + |
| "22. WARNING in X.java (at line 50)\n" + |
| " H hraw = null;\n" + |
| " ^\n" + |
| "H is a raw type. References to generic type H<T3> should be parameterized\n" + |
| "----------\n" + |
| (this.complianceLevel < ClassFileConstants.JDK1_8 ? |
| "23. ERROR in X.java (at line 52)\n" + |
| " x.a(h);\n" + |
| " ^\n" + |
| "The method a(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "24. ERROR in X.java (at line 53)\n" + |
| " x.a(hraw);\n" + |
| " ^\n" + |
| "The method a(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "25. ERROR in X.java (at line 58)\n" + |
| " x.c(h);\n" + |
| " ^\n" + |
| "The method c(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "26. ERROR in X.java (at line 59)\n" + |
| " x.c(hraw);\n" + |
| " ^\n" + |
| "The method c(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "27. ERROR in X.java (at line 61)\n" + |
| " x.d(h);\n" + |
| " ^\n" + |
| "The method d(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "28. ERROR in X.java (at line 62)\n" + |
| " x.d(hraw);\n" + |
| " ^\n" + |
| "The method d(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "29. ERROR in X.java (at line 64)\n" + |
| " x.e(h);\n" + |
| " ^\n" + |
| "The method e(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "30. ERROR in X.java (at line 65)\n" + |
| " x.e(hraw);\n" + |
| " ^\n" + |
| "The method e(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "31. ERROR in X.java (at line 71)\n" + |
| " x.g(hraw);\n" + |
| " ^\n" + |
| "The method g(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "32. ERROR in X.java (at line 73)\n" + |
| " x.a2(h);\n" + |
| " ^^\n" + |
| "The method a2(H<C>) is ambiguous for the type X\n" + |
| "----------\n" + |
| "33. ERROR in X.java (at line 74)\n" + |
| " x.a2(hraw);\n" + |
| " ^^\n" + |
| "The method a2(H) is ambiguous for the type X\n" + |
| "----------\n" + |
| "34. ERROR in X.java (at line 79)\n" + |
| " x.c2(h);\n" + |
| " ^^\n" + |
| "The method c2(H<C>) is ambiguous for the type X\n" + |
| "----------\n" + |
| "35. ERROR in X.java (at line 80)\n" + |
| " x.c2(hraw);\n" + |
| " ^^\n" + |
| "The method c2(H) is ambiguous for the type X\n" + |
| "----------\n" + |
| "36. ERROR in X.java (at line 82)\n" + |
| " x.d2(h);\n" + |
| " ^^\n" + |
| "The method d2(H<C>) is ambiguous for the type X\n" + |
| "----------\n" + |
| "37. ERROR in X.java (at line 83)\n" + |
| " x.d2(hraw);\n" + |
| " ^^\n" + |
| "The method d2(H) is ambiguous for the type X\n" + |
| "----------\n" + |
| "38. ERROR in X.java (at line 85)\n" + |
| " x.e2(h);\n" + |
| " ^^\n" + |
| "The method e2(H<C>) is ambiguous for the type X\n" + |
| "----------\n" + |
| "39. ERROR in X.java (at line 86)\n" + |
| " x.e2(hraw);\n" + |
| " ^^\n" + |
| "The method e2(H) is ambiguous for the type X\n" + |
| "----------\n" + |
| "40. ERROR in X.java (at line 92)\n" + |
| " x.g2(hraw);\n" + |
| " ^^\n" + |
| "The method g2(H) is ambiguous for the type X\n" + |
| "----------\n" + |
| "41. WARNING in X.java (at line 98)\n" |
| : // fewer ambiguities in 1.8 |
| "23. ERROR in X.java (at line 61)\n" + |
| " x.d(h);\n" + |
| " ^\n" + |
| "The method d(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "24. ERROR in X.java (at line 62)\n" + |
| " x.d(hraw);\n" + |
| " ^\n" + |
| "The method d(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "25. ERROR in X.java (at line 64)\n" + |
| " x.e(h);\n" + |
| " ^\n" + |
| "The method e(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "26. ERROR in X.java (at line 65)\n" + |
| " x.e(hraw);\n" + |
| " ^\n" + |
| "The method e(G) is ambiguous for the type X\n" + |
| "----------\n" + |
| "27. ERROR in X.java (at line 82)\n" + |
| " x.d2(h);\n" + |
| " ^^\n" + |
| "The method d2(H<C>) is ambiguous for the type X\n" + |
| "----------\n" + |
| "28. ERROR in X.java (at line 83)\n" + |
| " x.d2(hraw);\n" + |
| " ^^\n" + |
| "The method d2(H) is ambiguous for the type X\n" + |
| "----------\n" + |
| "29. ERROR in X.java (at line 85)\n" + |
| " x.e2(h);\n" + |
| " ^^\n" + |
| "The method e2(H<C>) is ambiguous for the type X\n" + |
| "----------\n" + |
| "30. ERROR in X.java (at line 86)\n" + |
| " x.e2(hraw);\n" + |
| " ^^\n" + |
| "The method e2(H) is ambiguous for the type X\n" + |
| "----------\n" + |
| "31. WARNING in X.java (at line 98)\n" |
| ) + |
| " class C extends B implements I {}\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n" |
| ); |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=79798 |
| public void test015() { |
| this.runConformTest( |
| new String[] { |
| "E.java", |
| "public class E {\n" + |
| " public static void main(String[] s) {\n" + |
| " IJ ij = new K();\n" + |
| " try { ij.m(); } catch(E11 e) {}\n" + |
| " }\n" + |
| "}\n" + |
| "interface I { void m() throws E1; }\n" + |
| "interface J { void m() throws E11; }\n" + |
| "interface IJ extends I, J {}\n" + |
| "class K implements IJ { public void m() {} }\n" + |
| "class E1 extends Exception { static final long serialVersionUID = 1; }\n" + |
| "class E11 extends E1 { static final long serialVersionUID = 2; }\n" + |
| "class E2 extends Exception { static final long serialVersionUID = 3; }" |
| }, |
| "" |
| ); |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=79798 |
| public void _test016() { |
| this.runConformTest( |
| new String[] { |
| "E.java", |
| "public class E {\n" + |
| " public static void main(String[] s) {\n" + |
| " IJ ij = new K();\n" + |
| " try { ij.m(); } catch(E11 e) {}\n" + |
| " }\n" + |
| "}\n" + |
| "interface I { void m() throws E1; }\n" + |
| "interface J { void m() throws E2, E11; }\n" + |
| "interface IJ extends I, J {}\n" + |
| "class K implements IJ { public void m() {} }\n" + |
| "class E1 extends Exception { static final long serialVersionUID = 1; }\n" + |
| "class E11 extends E1 { static final long serialVersionUID = 2; }\n" + |
| "class E2 extends Exception { static final long serialVersionUID = 3; }" |
| }, |
| "" |
| ); |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=79798 |
| public void _test016a() { |
| this.runNegativeTest( |
| new String[] { |
| "E.java", |
| "public class E {\n" + |
| " public static void main(String[] s) {\n" + |
| " IJ ij = new K();\n" + |
| " ij.m();\n" + |
| " try { ij.m(); } catch(E2 e) {}\n" + |
| " }\n" + |
| "}\n" + |
| "interface I { void m() throws E1; }\n" + |
| "interface J { void m() throws E2, E11; }\n" + |
| "interface IJ extends I, J {}\n" + |
| "class K implements IJ { public void m() {} }\n" + |
| "class E1 extends Exception { static final long serialVersionUID = 1; }\n" + |
| "class E11 extends E1 { static final long serialVersionUID = 2; }\n" + |
| "class E2 extends Exception { static final long serialVersionUID = 3; }" |
| }, |
| "----------\n" + |
| "1. ERROR in E.java (at line 4)\r\n" + |
| " ij.m();\r\n" + |
| " ^^^^^^\n" + |
| "Unhandled exception type E11\n" + |
| "----------\n" + |
| "2. ERROR in E.java (at line 5)\r\n" + |
| " try { ij.m(); } catch(E2 e) {}\r\n" + |
| " ^^^^^^\n" + |
| "Unhandled exception type E11\n" + |
| "----------\n" + |
| "3. ERROR in E.java (at line 5)\r\n" + |
| " try { ij.m(); } catch(E2 e) {}\r\n" + |
| " ^^\n" + |
| "Unreachable catch block for E2. This exception is never thrown from the try statement body\n" + |
| "----------\n" |
| // 4: unreported exception E11; must be caught or declared to be thrown |
| // 5: exception E2 is never thrown in body of corresponding try statement |
| // 5: unreported exception E11; must be caught or declared to be thrown |
| ); |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=149893 |
| public void test017() { |
| this.runConformTest( |
| new String[] { |
| "AbstractFilter.java", |
| "import java.util.*;\n" + |
| "public class AbstractFilter<T> implements IFilter<T> {\n" + |
| " public final <E extends T> boolean selekt(E obj) { return true; }\n" + |
| " public final <E extends T> List<E> filter(List<E> elements) {\n" + |
| " if ((elements == null) || (elements.size() == 0)) return elements;\n" + |
| " List<E> okElements = new ArrayList<E>(elements.size());\n" + |
| " for (E obj : elements) {\n" + |
| " if (selekt(obj)) okElements.add(obj);\n" + |
| " }\n" + |
| " return okElements;" + |
| " }\n" + |
| "}\n" + |
| "interface IFilter<T> {\n" + |
| " <E extends T> boolean selekt(E obj);\n" + |
| " <E extends T> List<E> filter(List<E> elements);\n" + |
| "}" |
| }, |
| "" |
| ); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=147647 |
| public void test018() { |
| if (this.complianceLevel >= ClassFileConstants.JDK1_7) |
| return; |
| this.runConformTest( |
| new String[] { |
| "Y.java", |
| "class X<T extends Object> {\n" + |
| " public static <U extends Object> X<U> make(Class<U> clazz) {\n" + |
| " System.out.print(false);\n" + |
| " return new X<U>();\n" + |
| " }\n" + |
| "}\n" + |
| "public class Y<V extends String> extends X<V> {\n" + |
| " public static <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " System.out.print(true);\n" + |
| " return new Y<W>();\n" + |
| " }\n" + |
| " public static void main(String[] args) throws Exception {\n" + |
| " Y.make(String.class);\n" + |
| " }\n" + |
| "}" |
| }, |
| "true"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=147647 |
| // in fact, <W extends String> Y<W> make(Class<W> clazz) is the most |
| // specific method according to JLS 15.12.2.5 |
| public void test019() { |
| if (this.complianceLevel >= ClassFileConstants.JDK1_7) |
| return; |
| |
| this.runConformTest( |
| new String[] { |
| "Y.java", |
| "class X<T extends Object> {\n" + |
| " public static <U extends Object> X<U> make(Class<U> clazz) {\n" + |
| " System.out.print(false);\n" + |
| " return new X<U>();\n" + |
| " }\n" + |
| "}\n" + |
| "public class Y<V extends String> extends X<V> {\n" + |
| " public static <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " System.out.print(true);\n" + |
| " return new Y<W>();\n" + |
| " }\n" + |
| " public static void main(String[] args) throws Exception {\n" + |
| " Y.make(getClazz());\n" + |
| " }\n" + |
| " public static Class getClazz() {\n" + |
| " return String.class;\n" + |
| " }\n" + |
| "}" |
| }, |
| "true"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=147647 |
| public void test020() { |
| if (this.complianceLevel >= ClassFileConstants.JDK1_7) |
| return; |
| this.runConformTest( |
| new String[] { |
| "Y.java", |
| "class X<T extends Object> {\n" + |
| " public static <U extends Object> X<U> make(Class<U> clazz) {\n" + |
| " System.out.print(true);\n" + |
| " return new X<U>();\n" + |
| " }\n" + |
| "}\n" + |
| "public class Y<V extends String> extends X<V> {\n" + |
| " public static <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " System.out.print(false);\n" + |
| " return new Y<W>();\n" + |
| " }\n" + |
| " public static void main(String[] args) throws Exception {\n" + |
| " Y.make(getClazz().newInstance().getClass());\n" + |
| " }\n" + |
| " public static Class getClazz() {\n" + |
| " return String.class;\n" + |
| " }\n" + |
| "}" |
| }, |
| "true"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=147647 |
| // variant: having both methods in the same class should not change anything |
| public void test021() { |
| // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182950 |
| String expectedCompilerLog = (this.complianceLevel == ClassFileConstants.JDK1_6)? |
| "----------\n" + |
| "1. WARNING in Y.java (at line 3)\n" + |
| " public class Y<V extends String> extends X<V> {\n" + |
| " ^^^^^^\n" + |
| "The type parameter V should not be bounded by the final type String. Final types cannot be further extended\n" + |
| "----------\n" + |
| "2. WARNING in Y.java (at line 4)\n" + |
| " public static <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " ^^^^^^\n" + |
| "The type parameter W should not be bounded by the final type String. Final types cannot be further extended\n" + |
| "----------\n" + |
| "3. WARNING in Y.java (at line 4)\n" + |
| " public static <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " ^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method make(Class<W>) is the same as another method in type Y<V>\n" + |
| "----------\n" + |
| "4. WARNING in Y.java (at line 8)\n" + |
| " public static <U extends Object> X<U> make(Class<U> clazz) {\n" + |
| " ^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method make(Class<U>) is the same as another method in type Y<V>\n" + |
| "----------\n" + |
| "5. WARNING in Y.java (at line 13)\n" + |
| " Y.make(getClazz());\n" + |
| " ^^^^^^^^^^^^^^^^^^\n" + |
| "Type safety: Unchecked invocation make(Class) of the generic method make(Class<W>) of type Y\n" + |
| "----------\n" + |
| "6. WARNING in Y.java (at line 13)\n" + |
| " Y.make(getClazz());\n" + |
| " ^^^^^^^^^^\n" + |
| "Type safety: The expression of type Class needs unchecked conversion to conform to Class<String>\n" + |
| "----------\n" + |
| "7. WARNING in Y.java (at line 15)\n" + |
| " public static Class getClazz() {\n" + |
| " ^^^^^\n" + |
| "Class is a raw type. References to generic type Class<T> should be parameterized\n" + |
| "----------\n": |
| "----------\n" + |
| "1. WARNING in Y.java (at line 3)\n" + |
| " public class Y<V extends String> extends X<V> {\n" + |
| " ^^^^^^\n" + |
| "The type parameter V should not be bounded by the final type String. Final types cannot be further extended\n" + |
| "----------\n" + |
| "2. WARNING in Y.java (at line 4)\n" + |
| " public static <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " ^^^^^^\n" + |
| "The type parameter W should not be bounded by the final type String. Final types cannot be further extended\n" + |
| "----------\n" + |
| "3. ERROR in Y.java (at line 4)\n" + |
| " public static <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " ^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method make(Class<W>) is the same as another method in type Y<V>\n" + |
| "----------\n" + |
| "4. ERROR in Y.java (at line 8)\n" + |
| " public static <U extends Object> X<U> make(Class<U> clazz) {\n" + |
| " ^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method make(Class<U>) is the same as another method in type Y<V>\n" + |
| "----------\n" + |
| "5. WARNING in Y.java (at line 13)\n" + |
| " Y.make(getClazz());\n" + |
| " ^^^^^^^^^^^^^^^^^^\n" + |
| "Type safety: Unchecked invocation make(Class) of the generic method make(Class<W>) of type Y\n" + |
| "----------\n" + |
| "6. WARNING in Y.java (at line 13)\n" + |
| " Y.make(getClazz());\n" + |
| " ^^^^^^^^^^\n" + |
| "Type safety: The expression of type Class needs unchecked conversion to conform to Class<String>\n" + |
| "----------\n" + |
| "7. WARNING in Y.java (at line 15)\n" + |
| " public static Class getClazz() {\n" + |
| " ^^^^^\n" + |
| "Class is a raw type. References to generic type Class<T> should be parameterized\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| new String[] { |
| "Y.java", |
| "class X<T extends Object> {\n" + |
| "}\n" + |
| "public class Y<V extends String> extends X<V> {\n" + |
| " public static <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " System.out.print(true);\n" + |
| " return new Y<W>();\n" + |
| " }\n" + |
| " public static <U extends Object> X<U> make(Class<U> clazz) {\n" + |
| " System.out.print(false);\n" + |
| " return new X<U>();\n" + |
| " }\n" + |
| " public static void main(String[] args) throws Exception {\n" + |
| " Y.make(getClazz());\n" + |
| " }\n" + |
| " public static Class getClazz() {\n" + |
| " return String.class;\n" + |
| " }\n" + |
| "}" |
| }, |
| expectedCompilerLog |
| ); |
| /* javac 7 |
| X.java:8: name clash: <U>make(Class<U>) and <W>make(Class<W>) have the same erasure |
| public static <U extends Object> X<U> make(Class<U> clazz) { |
| ^ |
| where U,W are type-variables: |
| U extends Object declared in method <U>make(Class<U>) |
| W extends String declared in method <W>make(Class<W>) |
| X.java:13: warning: [unchecked] unchecked conversion |
| Y.make(getClazz()); |
| ^ |
| required: Class<W#1> |
| found: Class |
| where W#1,W#2 are type-variables: |
| W#1 extends String declared in method <W#2>make(Class<W#2>) |
| W#2 extends String declared in method <W#2>make(Class<W#2>) |
| X.java:13: warning: [unchecked] unchecked method invocation: method make in class Y is applied to given types |
| Y.make(getClazz()); |
| ^ |
| required: Class<W> |
| found: Class |
| where W is a type-variable: |
| W extends String declared in method <W>make(Class<W>) |
| 1 error |
| 2 warnings |
| */ |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=147647 |
| // variant: using instances triggers raw methods, which are ambiguous |
| public void test022() { |
| // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6182950 |
| String expectedCompilerLog = (this.complianceLevel == ClassFileConstants.JDK1_6)? |
| "----------\n" + |
| "1. WARNING in X.java (at line 3)\n" + |
| " class Y<V extends String> extends X<V> {\n" + |
| " ^^^^^^\n" + |
| "The type parameter V should not be bounded by the final type String. Final types cannot be further extended\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 4)\n" + |
| " public <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " ^^^^^^\n" + |
| "The type parameter W should not be bounded by the final type String. Final types cannot be further extended\n" + |
| "----------\n" + |
| "3. WARNING in X.java (at line 4)\n" + |
| " public <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " ^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method make(Class<W>) is the same as another method in type Y<V>\n" + |
| "----------\n" + |
| "4. WARNING in X.java (at line 7)\n" + |
| " public <U extends Object> X<U> make(Class<U> clazz) {\n" + |
| " ^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method make(Class<U>) is the same as another method in type Y<V>\n" + |
| "----------\n" + |
| "5. WARNING in X.java (at line 12)\n" + |
| " Y y = new Y();\n" + |
| " ^\n" + |
| "Y is a raw type. References to generic type Y<V> should be parameterized\n" + |
| "----------\n" + |
| "6. WARNING in X.java (at line 12)\n" + |
| " Y y = new Y();\n" + |
| " ^\n" + |
| "Y is a raw type. References to generic type Y<V> should be parameterized\n" + |
| "----------\n" + |
| "7. ERROR in X.java (at line 13)\n" + |
| " y.make(String.class);\n" + |
| " ^^^^\n" + |
| "The method make(Class) is ambiguous for the type Y\n" + |
| "----------\n" + |
| "8. ERROR in X.java (at line 14)\n" + |
| " y.make(getClazz());\n" + |
| " ^^^^\n" + |
| "The method make(Class) is ambiguous for the type Y\n" + |
| "----------\n" + |
| "9. ERROR in X.java (at line 15)\n" + |
| " y.make(getClazz().newInstance().getClass());\n" + |
| " ^^^^\n" + |
| "The method make(Class) is ambiguous for the type Y\n" + |
| "----------\n" + |
| "10. WARNING in X.java (at line 17)\n" + |
| " public static Class getClazz() {\n" + |
| " ^^^^^\n" + |
| "Class is a raw type. References to generic type Class<T> should be parameterized\n" + |
| "----------\n": |
| "----------\n" + |
| "1. WARNING in X.java (at line 3)\n" + |
| " class Y<V extends String> extends X<V> {\n" + |
| " ^^^^^^\n" + |
| "The type parameter V should not be bounded by the final type String. Final types cannot be further extended\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 4)\n" + |
| " public <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " ^^^^^^\n" + |
| "The type parameter W should not be bounded by the final type String. Final types cannot be further extended\n" + |
| "----------\n" + |
| "3. ERROR in X.java (at line 4)\n" + |
| " public <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " ^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method make(Class<W>) is the same as another method in type Y<V>\n" + |
| "----------\n" + |
| "4. ERROR in X.java (at line 7)\n" + |
| " public <U extends Object> X<U> make(Class<U> clazz) {\n" + |
| " ^^^^^^^^^^^^^^^^^^^^\n" + |
| "Erasure of method make(Class<U>) is the same as another method in type Y<V>\n" + |
| "----------\n" + |
| "5. WARNING in X.java (at line 12)\n" + |
| " Y y = new Y();\n" + |
| " ^\n" + |
| "Y is a raw type. References to generic type Y<V> should be parameterized\n" + |
| "----------\n" + |
| "6. WARNING in X.java (at line 12)\n" + |
| " Y y = new Y();\n" + |
| " ^\n" + |
| "Y is a raw type. References to generic type Y<V> should be parameterized\n" + |
| "----------\n" + |
| "7. WARNING in X.java (at line 13)\n" + |
| " y.make(String.class);\n" + |
| " ^^^^^^^^^^^^^^^^^^^^\n" + |
| "Type safety: The method make(Class) belongs to the raw type Y. References to generic type Y<V> should be parameterized\n" + |
| "----------\n" + |
| "8. WARNING in X.java (at line 14)\n" + |
| " y.make(getClazz());\n" + |
| " ^^^^^^^^^^^^^^^^^^\n" + |
| "Type safety: The method make(Class) belongs to the raw type Y. References to generic type Y<V> should be parameterized\n" + |
| "----------\n" + |
| "9. WARNING in X.java (at line 15)\n" + |
| " y.make(getClazz().newInstance().getClass());\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Type safety: The method make(Class) belongs to the raw type Y. References to generic type Y<V> should be parameterized\n" + |
| "----------\n" + |
| "10. WARNING in X.java (at line 17)\n" + |
| " public static Class getClazz() {\n" + |
| " ^^^^^\n" + |
| "Class is a raw type. References to generic type Class<T> should be parameterized\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X<T extends Object> {\n" + |
| "}\n" + |
| "class Y<V extends String> extends X<V> {\n" + |
| " public <W extends String> Y<W> make(Class<W> clazz) {\n" + |
| " return new Y<W>();\n" + |
| " }\n" + |
| " public <U extends Object> X<U> make(Class<U> clazz) {\n" + |
| " return new X<U>();\n" + |
| " }\n" + |
| " @SuppressWarnings({\"deprecation\"})\n" + |
| " public static void main(String[] args) throws Exception {\n" + |
| " Y y = new Y();\n" + |
| " y.make(String.class);\n" + |
| " y.make(getClazz());\n" + |
| " y.make(getClazz().newInstance().getClass());\n" + |
| " }\n" + |
| " public static Class getClazz() {\n" + |
| " return String.class;\n" + |
| " }\n" + |
| "}" |
| }, |
| expectedCompilerLog |
| ); |
| /* javac 7 |
| X.java:7: name clash: <U>make(Class<U>) and <W>make(Class<W>) have the same erasure |
| public <U extends Object> X<U> make(Class<U> clazz) { |
| ^ |
| where U,W are type-variables: |
| U extends Object declared in method <U>make(Class<U>) |
| W extends String declared in method <W>make(Class<W>) |
| X.java:12: warning: [unchecked] unchecked call to <W>make(Class<W>) as a member of the raw type Y |
| y.make(String.class); |
| ^ |
| where W is a type-variable: |
| W extends String declared in method <W>make(Class<W>) |
| X.java:13: warning: [unchecked] unchecked call to <W>make(Class<W>) as a member of the raw type Y |
| y.make(getClazz()); |
| ^ |
| where W is a type-variable: |
| W extends String declared in method <W>make(Class<W>) |
| X.java:14: warning: [unchecked] unchecked call to <W>make(Class<W>) as a member of the raw type Y |
| y.make(getClazz().newInstance().getClass()); |
| ^ |
| where W is a type-variable: |
| W extends String declared in method <W>make(Class<W>) |
| 1 error |
| 3 warnings |
| */ |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=159711 |
| public void test023() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "import java.util.*;\n" + |
| "public class X {\n" + |
| " public static void staticFoo(Collection<?> p) {\n" + |
| " System.out.print(1);\n" + |
| " }\n" + |
| " public static <T extends List<?>> void staticFoo(T p) {\n" + |
| " System.out.print(2);\n" + |
| " }\n" + |
| " public void foo(Collection<?> p) {\n" + |
| " System.out.print(1);\n" + |
| " }\n" + |
| " public <T extends List<?>> void foo(T p) {\n" + |
| " System.out.print(2);\n" + |
| " }\n" + |
| " public void foo2(Collection<?> p) {\n" + |
| " System.out.print(1);\n" + |
| " }\n" + |
| " public void foo2(List<?> p) {\n" + |
| " System.out.print(2);\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " staticFoo(new ArrayList<String>(Arrays.asList(\"\")));\n" + |
| " new X().foo(new ArrayList<String>(Arrays.asList(\"\")));\n" + |
| " new X().foo2(new ArrayList<String>(Arrays.asList(\"\")));\n" + |
| " }\n" + |
| "}" |
| }, |
| "222"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=159711 |
| // self contained variant |
| public void test024() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void foo(L1<?> p) {\n" + |
| " System.out.println(1);\n" + |
| " }\n" + |
| " public static <T extends L2<?>> void foo(T p) {\n" + |
| " System.out.println(2);\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " foo(new L3<String>());\n" + |
| " }\n" + |
| "}", |
| "L1.java", |
| "public interface L1<T> {\n" + |
| "}", |
| "L2.java", |
| "public interface L2<T> extends L1<T> {\n" + |
| "}", |
| "L3.java", |
| "public class L3<T> implements L2<T> {\n" + |
| " public L3() {\n" + |
| " }\n" + |
| "}", |
| }, |
| "2"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162026 |
| public void test025() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " J m = new Y();\n" + |
| " void foo() {\n" + |
| " m.foo(1.0f);\n" + |
| " }\n" + |
| "}", |
| "I.java", |
| "public interface I {\n" + |
| " <T extends Number> T foo(final Number p);\n" + |
| "}", |
| "J.java", |
| "public interface J extends I {\n" + |
| " Float foo(final Number p);\n" + |
| "}", |
| "Y.java", |
| "public class Y implements J {\n" + |
| " public Float foo(final Number p){\n" + |
| " return null;\n" + |
| " }\n" + |
| "}", |
| }, |
| ""); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162026 |
| // variant |
| public void test026() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void foo() {\n" + |
| " (new Y()).foo(1.0f);\n" + |
| " }\n" + |
| "}", |
| "I.java", |
| "public interface I {\n" + |
| " <T extends Number> T foo(final Number p);\n" + |
| "}", |
| "J.java", |
| "public interface J extends I {\n" + |
| " Float foo(final Number p);\n" + |
| "}", |
| "Y.java", |
| "public class Y implements J {\n" + |
| " public Float foo(final Number p){\n" + |
| " return null;" + |
| " }\n" + |
| "}", |
| }, |
| ""); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162026 |
| // variant |
| public void test027() { |
| this.runNegativeTest( |
| new String[] { |
| "J.java", |
| "public interface J {\n" + |
| " <T extends Number> T foo(final Number p);\n" + |
| " Float foo(final Number p);\n" + |
| "}", |
| }, |
| "----------\n" + |
| "1. ERROR in J.java (at line 2)\n" + |
| " <T extends Number> T foo(final Number p);\n" + |
| " ^^^^^^^^^^^^^^^^^^^\n" + |
| "Duplicate method foo(Number) in type J\n" + |
| "----------\n" + |
| "2. ERROR in J.java (at line 3)\n" + |
| " Float foo(final Number p);\n" + |
| " ^^^^^^^^^^^^^^^^^^^\n" + |
| "Duplicate method foo(Number) in type J\n" + |
| "----------\n"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162065 |
| public void test028() { |
| this.runConformTest( |
| new String[] { /* test files */ |
| "X.java", |
| "interface Irrelevant {}\n" + |
| "interface I {\n" + |
| " Object foo(Number n);\n" + |
| "}\n" + |
| "interface J extends Irrelevant, I {\n" + |
| " String foo(Number n);\n" + |
| "}\n" + |
| "interface K {\n" + |
| " Object foo(Number n);\n" + |
| "}\n" + |
| "public abstract class X implements J, K {\n" + |
| " void foo() {\n" + |
| " foo(0.0f);\n" + |
| " }\n" + |
| "}" |
| }); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162065 |
| // variant - simplified |
| public void test029() { |
| this.runConformTest( |
| new String[] { /* test files */ |
| "X.java", |
| "interface J {\n" + |
| " String foo(Number n);\n" + |
| "}\n" + |
| "interface K {\n" + |
| " Object foo(Number n);\n" + |
| "}\n" + |
| "public abstract class X implements J, K {\n" + |
| " void foo() {\n" + |
| " foo(0.0f);\n" + |
| " }\n" + |
| "}" |
| }); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162065 |
| // variant - same return type |
| public void test030() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "interface J {\n" + |
| " Object foo(Number n);\n" + |
| "}\n" + |
| "interface K {\n" + |
| " Object foo(Number n);\n" + |
| "}\n" + |
| "public abstract class X implements J, K {\n" + |
| " void foo() {\n" + |
| " foo(0.0f);\n" + |
| " }\n" + |
| "}" |
| }, |
| ""); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162065 |
| // variant |
| public void test031() { |
| this.runConformTest( |
| new String[] { /* test files */ |
| "X.java", |
| "interface Irrelevant {}\n" + |
| "interface I {\n" + |
| " Object foo(Number n);\n" + |
| "}\n" + |
| "interface J extends Irrelevant, I {\n" + |
| " String foo(Number n);\n" + |
| "}\n" + |
| "interface K {\n" + |
| " Object foo(Number n);\n" + |
| "}\n" + |
| "public abstract class X implements Irrelevant, I, J, K {\n" + |
| " void foo() {\n" + |
| " foo(0.0f);\n" + |
| " }\n" + |
| "}" |
| }); |
| } |
| // tests 32-34 were moved to MethodVerifyTest 134-140 |
| |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162065 |
| // variant - the inheriting class implements foo |
| public void test035() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "interface I {\n" + |
| " Object foo(Number n);\n" + |
| "}\n" + |
| "abstract class J {\n" + |
| " abstract String foo(Number n);\n" + |
| "}\n" + |
| "public class X extends J implements I {\n" + |
| " void bar() {\n" + |
| " foo(0.0f);\n" + // calls X#foo(Number) |
| " }\n" + |
| " public String foo(Number n) {\n" + |
| " return null;\n" + |
| " }\n" + |
| "}" |
| }, |
| ""); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162065 |
| // variant - extending instead of implementing |
| public void test037() { |
| this.runConformTest( |
| // test directory preparation |
| new String[] { /* test files */ |
| "X.java", |
| "interface I {\n" + |
| " Object foo(Number n);\n" + |
| "}\n" + |
| "abstract class J {\n" + |
| " abstract String foo(Number n);\n" + |
| "}\n" + |
| "public abstract class X extends J implements I {\n" + |
| " void bar() {\n" + |
| " foo(0.0f);\n" + |
| " }\n" + |
| "}" |
| }); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162065 |
| // variant - no promotion of parameter from float to Number |
| public void test038() { |
| this.runConformTest( |
| new String[] { /* test files */ |
| "X.java", |
| "interface I {\n" + |
| " Object foo(float f);\n" + |
| "}\n" + |
| "abstract class J {\n" + |
| " public abstract String foo(float f);\n" + |
| "}\n" + |
| "public abstract class X extends J implements I {\n" + |
| " void bar() {\n" + |
| " foo(0.0f);\n" + |
| " }\n" + |
| "}" |
| }); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162065 |
| // variant - an explicit cast solves the issue |
| public void test039() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "interface I {\n" + |
| " Object foo(float f);\n" + |
| "}\n" + |
| "abstract class J {\n" + |
| " public abstract String foo(float f);\n" + |
| "}\n" + |
| "public abstract class X extends J implements I {\n" + |
| " void bar() {\n" + |
| " String s = ((J) this).foo(0.0f);\n" + |
| " }\n" + |
| "}" |
| }, |
| ""); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162065 |
| // variant - an explicit cast solves the issue |
| public void test040() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "interface I {\n" + |
| " Object foo(float f);\n" + |
| "}\n" + |
| "abstract class J {\n" + |
| " public abstract String foo(float f);\n" + |
| "}\n" + |
| "public abstract class X extends J implements I {\n" + |
| " void bar() {\n" + |
| " Object o = ((I) this).foo(0.0f);\n" + |
| " }\n" + |
| "}" |
| }, |
| ""); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162065 |
| // variant - connecting return types |
| public void test041() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "interface I {\n" + |
| " Object foo(float f);\n" + |
| "}\n" + |
| "abstract class J {\n" + |
| " public abstract String foo(float f);\n" + |
| "}\n" + |
| "public abstract class X extends J implements I {\n" + |
| " void bar() {\n" + |
| " String s = ((I) this).foo(0.0f);\n" + |
| " }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 9)\n" + |
| " String s = ((I) this).foo(0.0f);\n" + |
| " ^^^^^^^^^^^^^^^^^^^^\n" + |
| "Type mismatch: cannot convert from Object to String\n" + |
| "----------\n"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162065 |
| // variant - a further inheriting class implements String foo |
| public void test042() { |
| this.runConformTest( |
| // test directory preparation |
| new String[] { /* test files */ |
| "X.java", |
| "interface I {\n" + |
| " Object foo(float f);\n" + |
| "}\n" + |
| "abstract class J {\n" + |
| " public abstract String foo(float f);\n" + |
| "}\n" + |
| "public abstract class X extends J implements I {\n" + |
| " void bar() {\n" + |
| " foo(0.0f);\n" + |
| " }\n" + |
| "}\n" + |
| "class Z extends X {\n" + |
| " @Override" + |
| " public String foo(float f) {\n" + |
| " return null;\n" + |
| " }\n" + |
| "}" |
| }); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=162065 |
| // variant - a further inheriting class implements Object foo |
| public void test043() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "interface I {\n" + |
| " Object foo(float f);\n" + |
| "}\n" + |
| "abstract class J {\n" + |
| " public abstract String foo(float f);\n" + |
| "}\n" + |
| "public abstract class X extends J implements I {\n" + |
| " void bar() {\n" + |
| " foo(0.0f);\n" + |
| " }\n" + |
| "}\n" + |
| "class Z extends X {\n" + |
| " @Override\n" + |
| " public Object foo(float f) {\n" + // cannot override String foo |
| " return null;\n" + |
| " }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 14)\n" + |
| " public Object foo(float f) {\n" + |
| " ^^^^^^\n" + |
| "The return type is incompatible with J.foo(float)\n" + |
| "----------\n"); |
| } |
| |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=163370 |
| public void test044() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "interface I<E> {}\n" + |
| "class Y<E> {}\n" + |
| "public class X<E extends Y<E>> implements I<E> {\n" + |
| " public static <E extends Y<E>> X<E> bar(X<E> s) {\n" + |
| " return null;\n" + |
| " }\n" + |
| " public static <E extends Y<E>> X<E> bar(I<E> c) {\n" + |
| " return null;\n" + |
| " }\n" + |
| " public static <E extends Y<E>> X<E> foo(X<E> s) {\n" + |
| " X<E> result = bar(s);\n" + |
| " return result;\n" + |
| " }\n" + |
| "}" |
| }, |
| ""); |
| } |
| |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=165620 |
| public void test045() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "abstract class Y<T> implements I<T> {\n" + |
| "}\n" + |
| "interface I<T> { \n" + |
| "}\n" + |
| "interface J<T> {\n" + |
| "}\n" + |
| "class X {\n" + |
| " public static <V extends J<? super V>> V foo(final I<V> a)\n" + |
| " {\n" + |
| " return null;\n" + |
| " }\n" + |
| " public static <V extends J<? super V>> V foo(final Y<V> a)\n" + |
| " {\n" + |
| " return null;\n" + |
| " }\n" + |
| " public static <V extends J<? super V>> void test(final Y<V> a)\n" + |
| " {\n" + |
| " foo(a);\n" + |
| " }\n" + |
| "}" |
| }, |
| ""); |
| } |
| |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=163370 |
| // variant |
| public void test046() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "abstract class Y<T, U> implements I<T, U> {\n" + |
| "}\n" + |
| "interface I<T, U> { \n" + |
| "}\n" + |
| "interface J<T, U> {\n" + |
| "}\n" + |
| "class X {\n" + |
| " public static <V extends J<V, W>, W extends J<V, W>> V foo(final I<V, W> a)\n" + |
| " {\n" + |
| " return null;\n" + |
| " }\n" + |
| " public static <V extends J<V, W>, W extends J<V, W>> V foo(final Y<V, W> a)\n" + |
| " {\n" + |
| " return null;\n" + |
| " }\n" + |
| " public static <V extends J<V, W>, W extends J<V, W>> void test(final Y<V, W> a)\n" + |
| " {\n" + |
| " foo(a);\n" + |
| " }\n" + |
| "}" |
| }, |
| ""); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=163590 |
| public void test047() { |
| this.runNegativeTest( |
| // test directory preparation |
| new String[] { /* test files */ |
| "X.java", |
| "public class X<T extends I & J> {\n" + |
| " void foo(T t) {\n" + |
| " }\n" + |
| "}\n" + |
| "interface I {\n" + |
| " public int method();\n" + |
| "}\n" + |
| "interface J {\n" + |
| " public boolean method();\n" + |
| "}\n" |
| }, |
| // compiler results |
| "----------\n" + /* expected compiler log */ |
| "1. ERROR in X.java (at line 1)\n" + |
| " public class X<T extends I & J> {\n" + |
| " ^\n" + |
| "The return types are incompatible for the inherited methods I.method(), J.method()\n" + |
| "----------\n", |
| // javac options |
| JavacTestOptions.JavacHasABug.JavacBug5061359 /* javac test options */); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=163590 |
| // Variant: javac complains as well if we attempt to use method, but noone |
| // complains upon bar or CONSTANT. |
| public void test048() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X<T extends I & J> {\n" + |
| " void foo(T t) {\n" + |
| " t.method();\n" + |
| " t.bar();\n" + |
| " if (t.CONSTANT > 0);\n" + |
| " }\n" + |
| "}\n" + |
| "interface I {\n" + |
| " public int method();\n" + |
| " void bar();\n" + |
| "}\n" + |
| "interface J {\n" + |
| " public boolean method();\n" + |
| " static final int CONSTANT = 0;\n" + |
| "}\n" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 1)\n" + |
| " public class X<T extends I & J> {\n" + |
| " ^\n" + |
| "The return types are incompatible for the inherited methods I.method(), J.method()\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 3)\n" + |
| " t.method();\n" + |
| " ^^^^^^\n" + |
| "The method method() is ambiguous for the type T\n" + |
| "----------\n" + |
| "3. WARNING in X.java (at line 5)\n" + |
| " if (t.CONSTANT > 0);\n" + |
| " ^^^^^^^^\n" + |
| "The static field J.CONSTANT should be accessed in a static way\n" + |
| "----------\n"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=163590 |
| // can't implement both interfaces though |
| public void test049() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "interface I {\n" + |
| " public int method();\n" + |
| "}\n" + |
| "interface J {\n" + |
| " public boolean method();\n" + |
| "}\n" + |
| "class X implements I, J {\n" + |
| " public int method() {\n" + |
| " return 0;\n" + |
| " }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 8)\n" + |
| " public int method() {\n" + |
| " ^^^\n" + |
| "The return type is incompatible with J.method()\n" + |
| "----------\n"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=163590 |
| // variant: secure the legal case |
| public void test050() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X<T extends I & J> {\n" + |
| " void foo(T t) {\n" + |
| " }\n" + |
| "}\n" + |
| "interface I {\n" + |
| " public int method();\n" + |
| "}\n" + |
| "interface J {\n" + |
| " public int method();\n" + |
| "}\n" |
| }, |
| ""); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=166355 |
| public void test051() { |
| this.runNegativeTest( |
| false /* skipJavac */, |
| this.complianceLevel < ClassFileConstants.JDK1_8 ? |
| null : JavacTestOptions.EclipseHasABug.EclipseBug427719, |
| new String[] { /* test files */ |
| "X.java", |
| "interface I<T> {\n" + |
| "}\n" + |
| "class Y {\n" + |
| " void bar(I<?> x) {\n" + |
| " }\n" + |
| "}\n" + |
| "public class X extends Y {\n" + |
| " void foo() {\n" + |
| " bar(new Z());\n" + |
| " }\n" + |
| " void bar(Z x) {\n" + |
| " }\n" + |
| " private static final class Z implements I {\n" + |
| " }\n" + |
| "}\n" |
| }, |
| (this.complianceLevel < ClassFileConstants.JDK1_8 ? |
| "----------\n" + |
| "1. ERROR in X.java (at line 9)\n" + |
| " bar(new Z());\n" + |
| " ^^^\n" + |
| "The method bar(X.Z) is ambiguous for the type X\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 13)\n" + |
| " private static final class Z implements I {\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n" |
| : // in 1.8 bar(Z) is recognized as being more specific than bar(I<#RAW>) |
| "----------\n" + |
| "1. WARNING in X.java (at line 9)\n" + |
| " bar(new Z());\n" + |
| " ^^^^^^^\n" + |
| "Access to enclosing constructor X.Z() is emulated by a synthetic accessor method\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 13)\n" + |
| " private static final class Z implements I {\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n")); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=166355 |
| // variant |
| public void test052() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "interface I<T> {\n" + |
| "}\n" + |
| "class Y {\n" + |
| " void bar(I<?> x) {\n" + |
| " }\n" + |
| "}\n" + |
| "public class X extends Y {\n" + |
| " void foo() {\n" + |
| " bar(new Z());\n" + |
| " }\n" + |
| " void bar(Z x) {\n" + |
| " }\n" + |
| " private static final class Z implements I<String> {\n" + |
| " }\n" + |
| "}\n" |
| }, |
| ""); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=166355 |
| // variant |
| public void test053() { |
| this.runNegativeTest( |
| false /* skipJavac */, |
| this.complianceLevel < ClassFileConstants.JDK1_8 ? |
| null : JavacTestOptions.EclipseHasABug.EclipseBug427719, |
| new String[] { /* test files */ |
| "X.java", |
| "interface I<T> {\n" + |
| "}\n" + |
| "class Y {\n" + |
| " void bar(I<?> x) {\n" + |
| " }\n" + |
| "}\n" + |
| "public class X extends Y {\n" + |
| " void foo() {\n" + |
| " bar(new Z(){});\n" + |
| " }\n" + |
| " void bar(Z x) {\n" + |
| " }\n" + |
| " private static class Z implements I {\n" + |
| " }\n" + |
| "}\n" |
| }, |
| (this.complianceLevel < ClassFileConstants.JDK1_8 ? |
| "----------\n" + |
| "1. ERROR in X.java (at line 9)\n" + |
| " bar(new Z(){});\n" + |
| " ^^^\n" + |
| "The method bar(X.Z) is ambiguous for the type X\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 13)\n" + |
| " private static class Z implements I {\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n" |
| : // in 1.8 bar(Z) is recognized as being more specific than bar(I<#RAW>) |
| "----------\n" + |
| "1. WARNING in X.java (at line 9)\n" + |
| " bar(new Z(){});\n" + |
| " ^^^\n" + |
| "Access to enclosing constructor X.Z() is emulated by a synthetic accessor method\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 13)\n" + |
| " private static class Z implements I {\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n")); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=166355 |
| // variant |
| public void test054() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void bar(Z x) {\n" + |
| " System.out.println(\"bar(Z)\");\n" + |
| " }\n" + |
| " void bar(I<?> x) {\n" + |
| " System.out.println(\"bar(I)\");\n" + |
| " }\n" + |
| " public static void main(String args[]) {\n" + |
| " (new X()).bar(new Z());\n" + |
| " }\n" + |
| "}\n" + |
| "interface I<T> {}\n" + |
| "class Z implements I<Object> {}" |
| }, |
| "bar(Z)"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=166355 |
| // variant |
| public void _test055() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "interface I<T> {}\n" + |
| "class X {\n" + |
| " void bar(Z x) {\n" + |
| " System.out.println(\"bar(Z)\");\n" + |
| " }\n" + |
| " void bar(I<?> x) {\n" + |
| " System.out.println(\"bar(I)\");\n" + |
| " }\n" + |
| " public static void main(String args[]) {\n" + |
| " (new X()).bar(new Z());\n" + |
| " }\n" + |
| "}\n" + |
| "class Z implements I {}" |
| }, |
| "ERR"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=184190 |
| public void test056() { |
| if (this.complianceLevel >= ClassFileConstants.JDK1_7) |
| return; |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X<T> {\n" + |
| " void bar(X x) {\n" + |
| " ZA z = ZA.foo(x);\n" + |
| " z.toString();\n" + |
| " }\n" + |
| "}\n" + |
| "class Y<T> {\n" + |
| " public static <U> Y<U> foo(X<U> x) {\n" + |
| " return null;\n" + |
| " }\n" + |
| "}\n" + |
| "class YA<T extends A> extends Y<T> {\n" + |
| " public static <U extends A> YA<U> foo(X<U> x) {\n" + |
| " return (YA<U>) Y.foo(x);\n" + |
| " }\n" + |
| "}\n" + |
| "class ZA<T extends B> extends YA<T> {\n" + |
| " public static <U extends B> ZA<U> foo(X<U> x) {\n" + |
| " return (ZA<U>) Y.foo(x);\n" + |
| " }\n" + |
| "}\n" + |
| "abstract class A {\n" + |
| "}\n" + |
| "abstract class B extends A {\n" + |
| "}" |
| }, |
| ""); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=186382 |
| public void test057() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X extends Y {\n" + |
| " @Override <T4, G4 extends I<T4>> T4 foo(G4 g) { return super.foo(g); }\n" + |
| "}\n" + |
| "class Y extends Z {\n" + |
| " @Override <T3, G3 extends I<T3>> T3 foo(G3 g) { return super.foo(g); }\n" + |
| "}\n" + |
| "class Z {\n" + |
| " <T2, G2 extends I<T2>> T2 foo(G2 g) { return null; }\n" + |
| "}\n" + |
| "interface I<T1> {}" |
| }, |
| ""); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=188741 |
| public void test058() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X extends A {\n" + |
| " void x(G g) { System.out.print(1); }\n" + |
| " void x(G g, G g2) { System.out.print(1); }\n" + |
| " public static void main(String[] s) {\n" + |
| " H h = new H();\n" + |
| " new X().x(h);\n" + |
| " new X().x(h, h);\n" + |
| " }\n" + |
| "}\n" + |
| "class A<T> {\n" + |
| " void x(T t) { System.out.print(2); }\n" + |
| " <U> void x(T t, U u) { System.out.print(2); }\n" + |
| "}\n" + |
| "class F<T> {}\n" + |
| "class G<T> extends F<T> {}\n" + |
| "class H<T> extends G<T> {}" |
| }, |
| "11"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=188741 |
| public void test058a() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X extends java.util.ArrayList {\n" + |
| " private static final long serialVersionUID = 1L;\n" + |
| " public void add(Comparable o) {}\n" + |
| " public void test() { add(\"hello\"); }\n" + |
| "}" |
| }, |
| ""); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=188960 |
| public void test059() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "class X<T> {\n" + |
| " X() {}\n" + |
| " X(String s) {}\n" + |
| " X(T t) {}\n" + |
| " void foo(String s) {}\n" + |
| " void foo(T t) {}\n" + |
| "}\n" + |
| "class NoErrorSubclass extends X<String> {}\n" + |
| "class StringOnlySubClass extends X<String> {\n" + |
| " StringOnlySubClass(String s) { super(s); }\n" + |
| " @Override void foo(String s) { super.foo(s); }\n" + |
| "}\n" + |
| "class Test {\n" + |
| " Object o = new X<String>(\"xyz\");\n" + |
| " void test(X<String> x) { x.foo(\"xyz\"); }\n" + |
| "}" |
| }, |
| // no error is reported against duplicate constructors - but the call is reported as ambiguous |
| "----------\n" + |
| "1. ERROR in X.java (at line 8)\n" + |
| " class NoErrorSubclass extends X<String> {}\n" + |
| " ^^^^^^^^^^^^^^^\n" + |
| "Duplicate methods named foo with the parameters (T) and (String) are defined by the type X<String>\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 10)\n" + |
| " StringOnlySubClass(String s) { super(s); }\n" + |
| " ^^^^^^^^^\n" + |
| "The constructor X<String>(String) is ambiguous\n" + |
| "----------\n" + |
| "3. ERROR in X.java (at line 11)\n" + |
| " @Override void foo(String s) { super.foo(s); }\n" + |
| " ^^^\n" + |
| "The method foo(String) is ambiguous for the type X<String>\n" + |
| "----------\n" + |
| "4. ERROR in X.java (at line 14)\n" + |
| " Object o = new X<String>(\"xyz\");\n" + |
| " ^^^^^^^^^^^^^^^^^^^^\n" + |
| "The constructor X<String>(String) is ambiguous\n" + |
| "----------\n" + |
| "5. ERROR in X.java (at line 15)\n" + |
| " void test(X<String> x) { x.foo(\"xyz\"); }\n" + |
| " ^^^\n" + |
| "The method foo(String) is ambiguous for the type X<String>\n" + |
| "----------\n" |
| ); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=191029 |
| public void test059a() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "import java.util.TreeMap;\n" + |
| "class X {\n" + |
| " void test(TreeMap<String, Object> tm) {\n" + |
| " TreeMap copy = new TreeMap(tm);\n" + |
| " }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. WARNING in X.java (at line 4)\n" + |
| " TreeMap copy = new TreeMap(tm);\n" + |
| " ^^^^^^^\n" + |
| "TreeMap is a raw type. References to generic type TreeMap<K,V> should be parameterized\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 4)\n" + |
| " TreeMap copy = new TreeMap(tm);\n" + |
| " ^^^^^^^^^^^^^^^\n" + |
| "Type safety: The constructor TreeMap(SortedMap) belongs to the raw type TreeMap. References to generic type TreeMap<K,V> should be parameterized\n" + |
| "----------\n" + |
| "3. WARNING in X.java (at line 4)\n" + |
| " TreeMap copy = new TreeMap(tm);\n" + |
| " ^^^^^^^\n" + |
| "TreeMap is a raw type. References to generic type TreeMap<K,V> should be parameterized\n" + |
| "----------\n" |
| ); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=189933 |
| public void test060() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X<T> {\n" + |
| " public void bar(K<T, Object> p) {\n" + |
| " new Y(p);\n" + |
| " new Y((J<T, Object>) p);\n" + |
| " new Y((I<T, Object>) p);\n" + |
| " }\n" + |
| "}\n" + |
| "class Y<T, U> {\n" + |
| " Y(I<? extends T, ? extends U> p) {}\n" + |
| " Y(J<T, ? extends U> p) {}\n" + |
| "}\n" + |
| "interface I<T, U> {}\n" + |
| "interface J<T, U> extends I<T, U> {}\n" + |
| "interface K<T, U> extends I<T, U>, J<T, U> {}" |
| }, |
| "" |
| ); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=189933 |
| // variant |
| public void test061() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X<T> {\n" + |
| " public void bar(K<T, Object> p) {\n" + |
| " new Y(p);\n" + |
| " new Y((J<T, Object>) p);\n" + |
| " new Y((I<T, Object>) p);\n" + |
| " }\n" + |
| "}\n" + |
| "class Y<T, U> {\n" + |
| " Y(I<? extends T, ? extends U> p) {}\n" + |
| " Y(J<T, ? extends U> p) {}\n" + |
| "}\n" + |
| "interface I<T, U> {}\n" + |
| "interface J<T, U> {}\n" + |
| "interface K<T, U> extends I<T, U>, J<T, U> {}" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 3)\n" + |
| " new Y(p);\n" + |
| " ^^^^^^^^\n" + |
| "The constructor Y(I) is ambiguous\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 3)\n" + |
| " new Y(p);\n" + |
| " ^\n" + |
| "Y is a raw type. References to generic type Y<T,U> should be parameterized\n" + |
| "----------\n" + |
| "3. WARNING in X.java (at line 4)\n" + |
| " new Y((J<T, Object>) p);\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Type safety: The constructor Y(J) belongs to the raw type Y. References to generic type Y<T,U> should be parameterized\n" + |
| "----------\n" + |
| "4. WARNING in X.java (at line 4)\n" + |
| " new Y((J<T, Object>) p);\n" + |
| " ^\n" + |
| "Y is a raw type. References to generic type Y<T,U> should be parameterized\n" + |
| "----------\n" + |
| "5. WARNING in X.java (at line 5)\n" + |
| " new Y((I<T, Object>) p);\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Type safety: The constructor Y(I) belongs to the raw type Y. References to generic type Y<T,U> should be parameterized\n" + |
| "----------\n" + |
| "6. WARNING in X.java (at line 5)\n" + |
| " new Y((I<T, Object>) p);\n" + |
| " ^\n" + |
| "Y is a raw type. References to generic type Y<T,U> should be parameterized\n" + |
| "----------\n" |
| ); |
| } |
| |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=193265 |
| public void test062() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "enum E implements I {\n" + |
| " F;\n" + |
| "}\n" + |
| "interface I {}\n" + |
| "interface Spec {\n" + |
| " <T1 extends Enum<T1> & I> void method(T1 t);\n" + |
| "}\n" + |
| "abstract class X implements Spec {\n" + |
| " public <T2 extends Enum<T2> & I> void method(T2 t) {}\n" + |
| " void test() { method(E.F); }\n" + |
| "}" |
| }, |
| "" |
| ); |
| } |
| |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=196254 |
| public void test063() { |
| this.runConformTest( |
| new String[] { |
| "Test.java", |
| "interface I<R> {}\n" + |
| "class X<T extends I> {\n" + |
| " void method(X<?> that) {}\n" + |
| "}\n" + |
| "class Y<T extends I> extends X<T> {\n" + |
| " @Override void method(X<? extends I> that) { System.out.print(1); }\n" + |
| "}\n" + |
| "public class Test {\n" + |
| " public static void main(String[] args) { new Y().method((X) null); }\n" + |
| "}" |
| }, |
| "1" |
| ); |
| } |
| |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=198120 |
| public void test064() { |
| this.runConformTest( |
| new String[] { |
| "A.java", |
| "interface I<E> {\n" + |
| " void x(I<? extends E> i);\n" + |
| "}\n" + |
| "public abstract class A implements I {\n" + |
| " public void x(I i) {}\n" + |
| "}\n" + |
| "class B extends A {\n" + |
| " void y(A a) { super.x(a); }\n" + |
| "}" |
| }, |
| "" |
| ); |
| } |
| |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=200547 |
| public void test065() { |
| this.runConformTest( |
| new String[] { |
| "A.java", |
| "public abstract class A {\n" + |
| " abstract <T extends Number & Comparable<T>> void m(T x);\n" + |
| "}\n" + |
| "class B extends A {\n" + |
| " @Override <T extends Number & Comparable<T>> void m(T x) {}\n" + |
| "}" |
| }, |
| "" |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=214558 |
| public void test066() { |
| this.runNegativeTest( |
| new String[] { |
| "A.java", |
| "import java.util.*;\n" + |
| "public class A {\n" + |
| " void foo(Collection<Object[]> c) {}\n" + |
| " void foo(Collection<Object[]> c, Object o) {}\n" + |
| " public static void main(String[] args) {\n" + |
| " new B().foo(new ArrayList());\n" + |
| " new B().foo(new ArrayList(), args[0]);\n" + |
| " }\n" + |
| "}\n" + |
| "class B extends A {\n" + |
| " void foo(ArrayList a) {}\n" + |
| " void foo(ArrayList a, Object o) {}\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. ERROR in A.java (at line 6)\n" + |
| " new B().foo(new ArrayList());\n" + |
| " ^^^\n" + |
| "The method foo(ArrayList) is ambiguous for the type B\n" + |
| "----------\n" + |
| "2. WARNING in A.java (at line 6)\n" + |
| " new B().foo(new ArrayList());\n" + |
| " ^^^^^^^^^\n" + |
| "ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" + |
| "----------\n" + |
| "3. ERROR in A.java (at line 7)\n" + |
| " new B().foo(new ArrayList(), args[0]);\n" + |
| " ^^^\n" + |
| "The method foo(ArrayList, Object) is ambiguous for the type B\n" + |
| "----------\n" + |
| "4. WARNING in A.java (at line 7)\n" + |
| " new B().foo(new ArrayList(), args[0]);\n" + |
| " ^^^^^^^^^\n" + |
| "ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" + |
| "----------\n" + |
| "5. WARNING in A.java (at line 11)\n" + |
| " void foo(ArrayList a) {}\n" + |
| " ^^^^^^^^^\n" + |
| "ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" + |
| "----------\n" + |
| "6. WARNING in A.java (at line 12)\n" + |
| " void foo(ArrayList a, Object o) {}\n" + |
| " ^^^^^^^^^\n" + |
| "ArrayList is a raw type. References to generic type ArrayList<E> should be parameterized\n" + |
| "----------\n" |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=214558 - positive case |
| public void test067() { |
| this.runConformTest( |
| new String[] { |
| "A.java", |
| "import java.util.*;\n" + |
| "public class A {\n" + |
| " void foo(Collection<Object[]> c) {}\n" + |
| " public static void main(String[] args) {\n" + |
| " new B().foo(new ArrayList<Object>());\n" + |
| " }\n" + |
| "}\n" + |
| "class B extends A {\n" + |
| " void foo(ArrayList<Object> a) {System.out.print(1);}\n" + |
| "}" |
| }, |
| "1" |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=251279 |
| public void test068() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "interface A { X<? extends A> foo(); }\n" + |
| "interface B extends A { X<? extends B> foo(); }\n" + |
| "interface C extends B, A {}\n" + |
| "interface D extends A, B {}\n" + |
| "public class X<T> {\n" + |
| " public void bar() {\n" + |
| " C c = null;\n" + |
| " X<? extends B> c_b = c.foo();\n" + |
| " D d = null;\n" + |
| " X<? extends B> d_b = d.foo();\n" + |
| " }\n" + |
| "}" |
| }, |
| "" |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=251279 - variation |
| public void test069() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "interface A { X<? extends B> foo(); }\n" + |
| "interface B extends A { X<? extends A> foo(); }\n" + |
| "interface C extends B, A {}\n" + |
| "interface D extends A, B {}\n" + |
| "public class X<T> {\n" + |
| " void test(C c, D d) {\n" + |
| " X<? extends B> c_b = c.foo();\n" + |
| " X<? extends B> d_b = d.foo();\n" + |
| " }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 2)\n" + |
| " interface B extends A { X<? extends A> foo(); }\n" + |
| " ^^^^^^^^^^^^^^\n" + |
| "The return type is incompatible with A.foo()\n" + |
| "----------\n" |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=251279 - variation |
| public void test070() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "interface A { X<? extends A> foo(); }\n" + |
| "interface B { X<? extends B> foo(); }\n" + |
| "interface C extends B, A {}\n" + |
| "interface D extends A, B {}\n" + |
| "public class X<T> {\n" + |
| " public static void main(String[] args) {\n" + |
| " C c = null;\n" + |
| " X<? extends B> c_b = c.foo();\n" + |
| " D d = null;\n" + |
| " X<? extends B> d_b = d.foo();\n" + |
| " }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 3)\n" + |
| " interface C extends B, A {}\n" + |
| " ^\n" + |
| "The return types are incompatible for the inherited methods B.foo(), A.foo()\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 4)\n" + |
| " interface D extends A, B {}\n" + |
| " ^\n" + |
| "The return types are incompatible for the inherited methods A.foo(), B.foo()\n" + |
| "----------\n" + |
| "3. ERROR in X.java (at line 8)\n" + |
| " X<? extends B> c_b = c.foo();\n" + |
| " ^^^\n" + |
| "The method foo() is ambiguous for the type C\n" + |
| "----------\n" + |
| "4. ERROR in X.java (at line 10)\n" + |
| " X<? extends B> d_b = d.foo();\n" + |
| " ^^^\n" + |
| "The method foo() is ambiguous for the type D\n" + |
| "----------\n" |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=251279 - variation |
| public void test071() { |
| this.runConformTest( |
| new String[] { |
| "Y.java", |
| "interface I {\n" + |
| " Integer a();\n" + |
| " Float b();\n" + |
| "}\n" + |
| "interface J {\n" + |
| " Integer a();\n" + |
| " Double c();\n" + |
| "}\n" + |
| "abstract class X {\n" + |
| " public abstract Float b();\n" + |
| " public Double c() { return null; }\n" + |
| "}\n" + |
| "abstract class Y extends X implements I, J {\n" + |
| " void test() {\n" + |
| " Integer i = a();\n" + |
| " Float f = b();\n" + |
| " Double d = c();\n" + |
| " }\n" + |
| "}" |
| }, |
| "" |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=251279 - variation |
| public void test072() { |
| this.runConformTest( |
| new String[] { |
| "Y.java", |
| "interface I {\n" + |
| " Number a();\n" + |
| " Number b();\n" + |
| "}\n" + |
| "interface J {\n" + |
| " Integer a();\n" + |
| " Number c();\n" + |
| "}\n" + |
| "abstract class X {\n" + |
| " public abstract Float b();\n" + |
| " public Double c() { return null; }\n" + |
| "}\n" + |
| "abstract class Y extends X implements I, J {\n" + |
| " void test() {\n" + |
| " Integer i = a();\n" + |
| " Float f = b();\n" + |
| " Double d = c();\n" + |
| " }\n" + |
| "}\n" + |
| "abstract class Y2 extends X implements J, I {\n" + |
| " void test() {\n" + |
| " Integer i = a();\n" + |
| " Float f = b();\n" + |
| " Double d = c();\n" + |
| " }\n" + |
| "}" |
| }, |
| "" // javac reports 4 ambiguous errors, 2 each of a() & b() even tho the return types are sustitutable |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=251279 - variation |
| public void test073() { |
| this.runNegativeTest( |
| new String[] { |
| "Y.java", |
| "interface I {\n" + |
| " int a();\n" + |
| " int b();\n" + |
| "}\n" + |
| "interface J {\n" + |
| " byte a();\n" + |
| " int c();\n" + |
| "}\n" + |
| "abstract class X {\n" + |
| " public abstract byte b();\n" + |
| " public byte c() { return 1; }\n" + |
| "}\n" + |
| "abstract class Y extends X implements I, J {\n" + |
| " void test() {\n" + |
| " byte a = a();\n" + |
| " byte b = b();\n" + |
| " byte c = c();\n" + |
| " }\n" + |
| "}\n" + |
| "abstract class Y2 extends X implements J, I {\n" + |
| " void test() {\n" + |
| " byte a = a();\n" + |
| " byte b = b();\n" + |
| " byte c = c();\n" + |
| " }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. ERROR in Y.java (at line 13)\n" + |
| " abstract class Y extends X implements I, J {\n" + |
| " ^\n" + |
| "The return types are incompatible for the inherited methods J.c(), X.c()\n" + |
| "----------\n" + |
| "2. ERROR in Y.java (at line 13)\n" + |
| " abstract class Y extends X implements I, J {\n" + |
| " ^\n" + |
| "The return types are incompatible for the inherited methods I.b(), X.b()\n" + |
| "----------\n" + |
| "3. ERROR in Y.java (at line 13)\n" + |
| " abstract class Y extends X implements I, J {\n" + |
| " ^\n" + |
| "The return types are incompatible for the inherited methods I.a(), J.a()\n" + |
| "----------\n" + |
| "4. ERROR in Y.java (at line 20)\n" + |
| " abstract class Y2 extends X implements J, I {\n" + |
| " ^^\n" + |
| "The return types are incompatible for the inherited methods J.c(), X.c()\n" + |
| "----------\n" + |
| "5. ERROR in Y.java (at line 20)\n" + |
| " abstract class Y2 extends X implements J, I {\n" + |
| " ^^\n" + |
| "The return types are incompatible for the inherited methods I.b(), X.b()\n" + |
| "----------\n" + |
| "6. ERROR in Y.java (at line 20)\n" + |
| " abstract class Y2 extends X implements J, I {\n" + |
| " ^^\n" + |
| "The return types are incompatible for the inherited methods J.a(), I.a()\n" + |
| "----------\n" |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=206930 |
| public void test074() { |
| this.runNegativeTest( |
| false /* skipJavac */, |
| this.complianceLevel < ClassFileConstants.JDK1_8 ? |
| null : JavacTestOptions.EclipseHasABug.EclipseBug427719, |
| new String[] { |
| "Y.java", |
| "interface I<T> {}\n" + |
| "class A {\n" + |
| " void a(I x) {}\n" + |
| " void b(I<?> x) {}\n" + |
| " void b(I<?>[] x) {}\n" + |
| " <U> void c(I<?> x) {}\n" + |
| "}\n" + |
| "class B extends A {}\n" + |
| "class C extends B implements I {\n" + |
| " void a(C c) {}\n" + |
| " void b(C c) {}\n" + |
| " void b(C[] c) {}\n" + |
| " void c(C c) {}\n" + |
| "}\n" + |
| "class D extends C {\n" + |
| " void test() {\n" + |
| " a(new C());\n" + |
| " a(new D());\n" + |
| " b(new C());\n" + // ambiguous b(I<?>) in A and b(C) in C match |
| " b(new D());\n" + // ambiguous b(I<?>) in A and b(C) in C match |
| " b(new C[0]);\n" + // ambiguous b(I<?>[]) in A and b(C[]) in C match |
| " b(new D[0]);\n" + // ambiguous b(I<?>[]) in A and b(C[]) in C match |
| " c(new C());\n" + // ambiguous <U>c(I<?>) in A and c(C) in C match |
| " c(new D());\n" + // ambiguous <U>c(I<?>) in A and c(C) in C match |
| " }\n" + |
| "}\n" + |
| "class A2<T> {\n" + |
| " void a(I x) {}\n" + |
| " void b(I<?> x) {}\n" + |
| " <U> void c(I<?> x) {}\n" + |
| " void d(I<T> x) {}\n" + |
| "}\n" + |
| "class B2 extends A2 {}\n" + |
| "class C2 extends B2 implements I {\n" + |
| " void a(C2 c) {}\n" + |
| " void b(C2 c) {}\n" + |
| " void c(C2 c) {}\n" + |
| " void d(C2 c) {}\n" + |
| "}\n" + |
| "class D2 extends C2 {\n" + |
| " void test() {\n" + |
| " a(new C2());\n" + |
| " a(new D2());\n" + |
| " b(new C2());\n" + |
| " b(new D2());\n" + |
| " c(new C2());\n" + |
| " c(new D2());\n" + |
| " d(new C2());\n" + |
| " d(new D2());\n" + |
| " }\n" + |
| "}\n" + |
| "public class Y {}\n" |
| }, |
| (this.complianceLevel < ClassFileConstants.JDK1_8 ? |
| "----------\n" + |
| "1. WARNING in Y.java (at line 3)\n" + |
| " void a(I x) {}\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n" + |
| "2. WARNING in Y.java (at line 9)\n" + |
| " class C extends B implements I {\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n" + |
| "3. ERROR in Y.java (at line 19)\n" + |
| " b(new C());\n" + |
| " ^\n" + |
| "The method b(C) is ambiguous for the type D\n" + |
| "----------\n" + |
| "4. ERROR in Y.java (at line 20)\n" + |
| " b(new D());\n" + |
| " ^\n" + |
| "The method b(C) is ambiguous for the type D\n" + |
| "----------\n" + |
| "5. ERROR in Y.java (at line 21)\n" + |
| " b(new C[0]);\n" + |
| " ^\n" + |
| "The method b(C[]) is ambiguous for the type D\n" + |
| "----------\n" + |
| "6. ERROR in Y.java (at line 22)\n" + |
| " b(new D[0]);\n" + |
| " ^\n" + |
| "The method b(C[]) is ambiguous for the type D\n" + |
| "----------\n" + |
| "7. ERROR in Y.java (at line 23)\n" + |
| " c(new C());\n" + |
| " ^\n" + |
| "The method c(C) is ambiguous for the type D\n" + |
| "----------\n" + |
| "8. ERROR in Y.java (at line 24)\n" + |
| " c(new D());\n" + |
| " ^\n" + |
| "The method c(C) is ambiguous for the type D\n" + |
| "----------\n" + |
| "9. WARNING in Y.java (at line 28)\n" + |
| " void a(I x) {}\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n" + |
| "10. WARNING in Y.java (at line 33)\n" + |
| " class B2 extends A2 {}\n" + |
| " ^^\n" + |
| "A2 is a raw type. References to generic type A2<T> should be parameterized\n" + |
| "----------\n" + |
| "11. WARNING in Y.java (at line 34)\n" + |
| " class C2 extends B2 implements I {\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n" |
| : // no ambiguities in 1.8 |
| "----------\n" + |
| "1. WARNING in Y.java (at line 3)\n" + |
| " void a(I x) {}\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n" + |
| "2. WARNING in Y.java (at line 9)\n" + |
| " class C extends B implements I {\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n" + |
| "3. WARNING in Y.java (at line 28)\n" + |
| " void a(I x) {}\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n" + |
| "4. WARNING in Y.java (at line 33)\n" + |
| " class B2 extends A2 {}\n" + |
| " ^^\n" + |
| "A2 is a raw type. References to generic type A2<T> should be parameterized\n" + |
| "----------\n" + |
| "5. WARNING in Y.java (at line 34)\n" + |
| " class C2 extends B2 implements I {\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<T> should be parameterized\n" + |
| "----------\n") |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=266421 |
| public void test075() { |
| this.runNegativeTest( |
| new String[] { |
| "C.java", |
| "abstract class A<T extends Comparable> {\n" + |
| " abstract int x(T val);\n" + |
| "}\n" + |
| "class B<T extends Comparable> extends A<T> {\n" + |
| " @Override int x(T val) { return 0; }\n" + |
| "}\n" + |
| "class C extends B<Double> {\n" + |
| " int test(Double val) { return x(val); }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. WARNING in C.java (at line 1)\n" + |
| " abstract class A<T extends Comparable> {\n" + |
| " ^^^^^^^^^^\n" + |
| "Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" + |
| "----------\n" + |
| "2. WARNING in C.java (at line 4)\n" + |
| " class B<T extends Comparable> extends A<T> {\n" + |
| " ^^^^^^^^^^\n" + |
| "Comparable is a raw type. References to generic type Comparable<T> should be parameterized\n" + |
| "----------\n" |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=268837 |
| // See that this test case exhibits the bug 345947 |
| public void test076() { |
| String output = (this.complianceLevel == ClassFileConstants.JDK1_6)? |
| "----------\n" + |
| "1. WARNING in X.java (at line 8)\n" + |
| " <U> J<String> b();\n" + |
| " ^^^\n" + |
| "Name clash: The method b() of type J<E> has the same erasure as b() of type I<E> but does not override it\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 15)\n" + |
| " J<Integer> b = ints.a();\n" + |
| " ^^^^^^^^\n" + |
| "Type mismatch: cannot convert from J<String> to J<Integer>\n" + |
| "----------\n" + |
| "3. ERROR in X.java (at line 16)\n" + |
| " J<Object> c = ints.a();\n" + |
| " ^^^^^^^^\n" + |
| "Type mismatch: cannot convert from J<String> to J<Object>\n" + |
| "----------\n" + |
| "4. WARNING in X.java (at line 17)\n" + |
| " J d = ints.a();\n" + |
| " ^\n" + |
| "J is a raw type. References to generic type J<E> should be parameterized\n" + |
| "----------\n" + |
| "5. ERROR in X.java (at line 19)\n" + |
| " I<Integer> f = ints.a();\n" + |
| " ^^^^^^^^\n" + |
| "Type mismatch: cannot convert from J<String> to I<Integer>\n" + |
| "----------\n" + |
| "6. ERROR in X.java (at line 20)\n" + |
| " I<Object> g = ints.a();\n" + |
| " ^^^^^^^^\n" + |
| "Type mismatch: cannot convert from J<String> to I<Object>\n" + |
| "----------\n" + |
| "7. WARNING in X.java (at line 21)\n" + |
| " I h = ints.a();\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<E> should be parameterized\n" + |
| "----------\n" + |
| "8. ERROR in X.java (at line 24)\n" + |
| " ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "9. ERROR in X.java (at line 25)\n" + |
| " J<String> a = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "10. ERROR in X.java (at line 26)\n" + |
| " J<Integer> b = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "11. ERROR in X.java (at line 27)\n" + |
| " J<Object> c = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "12. WARNING in X.java (at line 28)\n" + |
| " J d = ints.b();\n" + |
| " ^\n" + |
| "J is a raw type. References to generic type J<E> should be parameterized\n" + |
| "----------\n" + |
| "13. ERROR in X.java (at line 28)\n" + |
| " J d = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "14. ERROR in X.java (at line 29)\n" + |
| " I<String> e = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "15. ERROR in X.java (at line 30)\n" + |
| " I<Integer> f = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "16. ERROR in X.java (at line 31)\n" + |
| " I<Object> g = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "17. WARNING in X.java (at line 32)\n" + |
| " I h = ints.b();\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<E> should be parameterized\n" + |
| "----------\n" + |
| "18. ERROR in X.java (at line 32)\n" + |
| " I h = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "19. WARNING in X.java (at line 39)\n" + |
| " J d = ints.c();\n" + |
| " ^\n" + |
| "J is a raw type. References to generic type J<E> should be parameterized\n" + |
| "----------\n" + |
| "20. WARNING in X.java (at line 43)\n" + |
| " I h = ints.c();\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<E> should be parameterized\n" + |
| "----------\n": |
| "----------\n" + |
| "1. ERROR in X.java (at line 8)\n" + |
| " <U> J<String> b();\n" + |
| " ^^^\n" + |
| "Name clash: The method b() of type J<E> has the same erasure as b() of type I<E> but does not override it\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 15)\n" + |
| " J<Integer> b = ints.a();\n" + |
| " ^^^^^^^^\n" + |
| "Type mismatch: cannot convert from J<String> to J<Integer>\n" + |
| "----------\n" + |
| "3. ERROR in X.java (at line 16)\n" + |
| " J<Object> c = ints.a();\n" + |
| " ^^^^^^^^\n" + |
| "Type mismatch: cannot convert from J<String> to J<Object>\n" + |
| "----------\n" + |
| "4. WARNING in X.java (at line 17)\n" + |
| " J d = ints.a();\n" + |
| " ^\n" + |
| "J is a raw type. References to generic type J<E> should be parameterized\n" + |
| "----------\n" + |
| "5. ERROR in X.java (at line 19)\n" + |
| " I<Integer> f = ints.a();\n" + |
| " ^^^^^^^^\n" + |
| "Type mismatch: cannot convert from J<String> to I<Integer>\n" + |
| "----------\n" + |
| "6. ERROR in X.java (at line 20)\n" + |
| " I<Object> g = ints.a();\n" + |
| " ^^^^^^^^\n" + |
| "Type mismatch: cannot convert from J<String> to I<Object>\n" + |
| "----------\n" + |
| "7. WARNING in X.java (at line 21)\n" + |
| " I h = ints.a();\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<E> should be parameterized\n" + |
| "----------\n" + |
| "8. ERROR in X.java (at line 24)\n" + |
| " ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "9. ERROR in X.java (at line 25)\n" + |
| " J<String> a = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "10. ERROR in X.java (at line 26)\n" + |
| " J<Integer> b = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "11. ERROR in X.java (at line 27)\n" + |
| " J<Object> c = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "12. WARNING in X.java (at line 28)\n" + |
| " J d = ints.b();\n" + |
| " ^\n" + |
| "J is a raw type. References to generic type J<E> should be parameterized\n" + |
| "----------\n" + |
| "13. ERROR in X.java (at line 28)\n" + |
| " J d = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "14. ERROR in X.java (at line 29)\n" + |
| " I<String> e = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "15. ERROR in X.java (at line 30)\n" + |
| " I<Integer> f = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "16. ERROR in X.java (at line 31)\n" + |
| " I<Object> g = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "17. WARNING in X.java (at line 32)\n" + |
| " I h = ints.b();\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<E> should be parameterized\n" + |
| "----------\n" + |
| "18. ERROR in X.java (at line 32)\n" + |
| " I h = ints.b();\n" + |
| " ^\n" + |
| "The method b() is ambiguous for the type J<Integer>\n" + |
| "----------\n" + |
| "19. WARNING in X.java (at line 39)\n" + |
| " J d = ints.c();\n" + |
| " ^\n" + |
| "J is a raw type. References to generic type J<E> should be parameterized\n" + |
| "----------\n" + |
| "20. WARNING in X.java (at line 43)\n" + |
| " I h = ints.c();\n" + |
| " ^\n" + |
| "I is a raw type. References to generic type I<E> should be parameterized\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "interface I<E> {\n" + |
| " I<String> a();\n" + |
| " I<String> b();\n" + |
| " <T1> I<T1> c();\n" + |
| "}\n" + |
| "interface J<E> extends I<E> {\n" + |
| " J<String> a();\n" + |
| " <U> J<String> b();\n" + |
| " <T2> J<T2> c();\n" + |
| "}\n" + |
| "class X {\n" + |
| " void a(J<Integer> ints) {\n" + |
| " ints.a();\n" + |
| " J<String> a = ints.a();\n" + |
| " J<Integer> b = ints.a();\n" + // incompatible types |
| " J<Object> c = ints.a();\n" + // incompatible types |
| " J d = ints.a();\n" + |
| " I<String> e = ints.a();\n" + |
| " I<Integer> f = ints.a();\n" + // incompatible types |
| " I<Object> g = ints.a();\n" + // incompatible types |
| " I h = ints.a();\n" + |
| " }\n" + |
| " void b(J<Integer> ints) {\n" + |
| " ints.b();\n" + // ambiguous |
| " J<String> a = ints.b();\n" + // ambiguous |
| " J<Integer> b = ints.b();\n" + // ambiguous |
| " J<Object> c = ints.b();\n" + // ambiguous |
| " J d = ints.b();\n" + // ambiguous |
| " I<String> e = ints.b();\n" + // ambiguous |
| " I<Integer> f = ints.b();\n" + // ambiguous |
| " I<Object> g = ints.b();\n" + // ambiguous |
| " I h = ints.b();\n" + // ambiguous |
| " }\n" + |
| " void c(J<Integer> ints) {\n" + |
| " ints.c();\n" + |
| " J<String> a = ints.c();\n" + |
| " J<Integer> b = ints.c();\n" + |
| " J<Object> c = ints.c();\n" + |
| " J d = ints.c();\n" + |
| " I<String> e = ints.c();\n" + |
| " I<Integer> f = ints.c();\n" + |
| " I<Object> g = ints.c();\n" + |
| " I h = ints.c();\n" + |
| " }\n" + |
| "}" |
| }, |
| output |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=270194 |
| public void test077() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "abstract class X implements I {\n" + |
| " public <A extends J<A, D>, D extends J<A, D>> A method(A arg) { return null; }\n" + |
| " void test(Y<String> c) { method(c); }\n" + |
| "}\n" + |
| "interface I {\n" + |
| " <A extends J<A,D>, D extends J<A,D>> A method(A arg);\n" + |
| "}\n" + |
| "interface J<A extends J<A,D>, D extends J<A,D>> {}\n" + |
| "class Y<E> implements J<Y<E>, Y<E>> {}" |
| }, |
| "" |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=287592 |
| public void test078() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "class X {\n" + |
| " class Field<T> { T value; }\n" + |
| " <T> void a(T value) {}\n" + |
| " <T> void a(Field<T> field) {}\n" + |
| " <T extends Number> void b(T value) {}\n" + |
| " <T> void b(Field<T> field) {}\n" + |
| " void c(String value) {}\n" + |
| " void c(Field<String> field) {}\n" + |
| " void test(X x) {\n" + |
| " x.a(null);\n" + |
| " x.<String>a(null);\n" + |
| " x.b(null);\n" + |
| " x.<Integer>b(null);\n" + |
| " x.c(null);\n" + |
| " }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 12)\n" + |
| " x.b(null);\n" + |
| " ^\n" + |
| "The method b(Number) is ambiguous for the type X\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 13)\n" + |
| " x.<Integer>b(null);\n" + |
| " ^\n" + |
| "The method b(Integer) is ambiguous for the type X\n" + |
| "----------\n" + |
| "3. ERROR in X.java (at line 14)\n" + |
| " x.c(null);\n" + |
| " ^\n" + |
| "The method c(String) is ambiguous for the type X\n" + |
| "----------\n" |
| ); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=292350 |
| // See that this test case exhibits the bug 345947 |
| public void test079() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "interface I<T> {}\n" + |
| "class A {}\n" + |
| "class B extends A {}\n" + |
| "interface One {\n" + |
| " I<B> x() throws IllegalAccessError;\n" + |
| " <T extends A> I<T> y() throws IllegalAccessError;\n" + |
| "}\n" + |
| "interface Two extends One {\n" + |
| " <T extends A> I<T> x() throws IllegalAccessError;\n" + |
| " I<B> y() throws IllegalAccessError;\n" + |
| "}\n" + |
| "class X {\n" + |
| " void x(Two t) { t.x(); }\n" + |
| " void y(Two t) { t.y(); }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 9)\n" + |
| " <T extends A> I<T> x() throws IllegalAccessError;\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Name clash: The method x() of type Two has the same erasure as x() of type One but does not override it\n" + |
| "----------\n" + |
| "2. WARNING in X.java (at line 10)\n" + |
| " I<B> y() throws IllegalAccessError;\n" + |
| " ^\n" + |
| "Type safety: The return type I<B> for y() from the type Two needs unchecked conversion to conform to I<A> from the type One\n" + |
| "----------\n" |
| ); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=293384 |
| public void test080() { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X<Tout extends Object> {\n" + |
| " static public abstract class BaseA {};\n" + |
| " static public abstract class BaseB extends BaseA {};\n" + |
| " static public class Real extends BaseB {};\n" + |
| " static BaseA ask(String prompt) {\n" + |
| " Real impl = new Real();\n" + |
| " return (BaseA) ask(prompt, impl);\n" + |
| " }\n" + |
| " static BaseA ask(String prompt, Real impl) {\n" + |
| " return null;\n" + |
| " }\n" + |
| " static <T extends BaseA> T ask(String prompt, T impl) {\n" + |
| " return null;\n" + |
| " }\n" + |
| " static public void main(String[] args) {\n" + |
| " System.out.println(\"SUCCESS\");\n" + |
| " }\n" + |
| "}\n" |
| }, |
| "SUCCESS"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=302358 |
| public void test081() { |
| this.runConformTest( |
| new String[] { |
| "C.java", |
| "class A<ModelType extends D, ValueType> implements I<ModelType, ValueType> {\n" + |
| " public void doSet(ModelType valueGetter) {\n" + |
| " this.set((ValueType) valueGetter.getObject());\n" + |
| " }\n" + |
| " public void set(Object object) {\n" + |
| " System.out.println(\"In A.set(Object)\");\n" + |
| " }\n" + |
| "}\n" + |
| "class B extends A<E, CharSequence> {\n" + |
| " public void set(CharSequence string) {\n" + |
| " System.out.println(\"In B.set(CharSequence)\");\n" + |
| " }\n" + |
| "}\n" + |
| "public class C extends B {\n" + |
| " static public void main(String[] args) {\n" + |
| " C c = new C();\n" + |
| " c.run();\n" + |
| " }\n" + |
| " public void run() {\n" + |
| " E e = new E<String>(String.class);\n" + |
| " this.doSet(e);\n" + |
| " }\n" + |
| "}\n" + |
| "class D {\n" + |
| " public Object getObject() {\n" + |
| " return null;\n" + |
| " }\n" + |
| "}\n" + |
| "class E<Type extends CharSequence> extends D {\n" + |
| " private Class<Type> typeClass;\n" + |
| " public E(Class<Type> typeClass) {\n" + |
| " this.typeClass = typeClass;\n" + |
| " }\n" + |
| " public Type getObject() {\n" + |
| " try {\n" + |
| " return (Type) typeClass.newInstance();\n" + |
| " } catch (Exception e) {\n" + |
| " throw new RuntimeException(e);\n" + |
| " }\n" + |
| " }\n" + |
| "}\n" + |
| "interface I<ModelType, ValueType> {\n" + |
| " public void doSet(ModelType model);\n" + |
| " public void set(ValueType value);\n" + |
| "}\n" |
| |
| }, |
| "In B.set(CharSequence)"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=302358 |
| public void test082() { |
| this.runConformTest( |
| new String[] { |
| "C.java", |
| "class A<ModelType extends D, ValueType> extends I<ModelType, ValueType> {\n" + |
| " public void doSet(ModelType valueGetter) {\n" + |
| " this.set((ValueType) valueGetter.getObject());\n" + |
| " }\n" + |
| " public void set(Object object) {\n" + |
| " System.out.println(\"In A.set(Object)\");\n" + |
| " }\n" + |
| "}\n" + |
| "class B extends A<E, CharSequence> {\n" + |
| " public void set(CharSequence string) {\n" + |
| " System.out.println(\"In B.set(CharSequence)\");\n" + |
| " }\n" + |
| "}\n" + |
| "public class C extends B {\n" + |
| " static public void main(String[] args) {\n" + |
| " C c = new C();\n" + |
| " c.run();\n" + |
| " }\n" + |
| " public void run() {\n" + |
| " E e = new E<String>(String.class);\n" + |
| " this.doSet(e);\n" + |
| " }\n" + |
| "}\n" + |
| "class D {\n" + |
| " public Object getObject() {\n" + |
| " return null;\n" + |
| " }\n" + |
| "}\n" + |
| "class E<Type extends CharSequence> extends D {\n" + |
| " private Class<Type> typeClass;\n" + |
| " public E(Class<Type> typeClass) {\n" + |
| " this.typeClass = typeClass;\n" + |
| " }\n" + |
| " public Type getObject() {\n" + |
| " try {\n" + |
| " return (Type) typeClass.newInstance();\n" + |
| " } catch (Exception e) {\n" + |
| " throw new RuntimeException(e);\n" + |
| " }\n" + |
| " }\n" + |
| "}\n" + |
| "abstract class I<ModelType, ValueType> {\n" + |
| " public abstract void doSet(ModelType model);\n" + |
| " public abstract void set(ValueType value);\n" + |
| "}\n" |
| |
| }, |
| "In B.set(CharSequence)"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=302358 |
| public void test083() { |
| this.runConformTest( |
| new String[] { |
| "C.java", |
| "class A<ModelType extends D, ValueType> implements I<ModelType, ValueType> {\n" + |
| " public void doSet(ModelType valueGetter) {\n" + |
| " this.set((ValueType) valueGetter.getObject());\n" + |
| " }\n" + |
| " public void set(Object object) {\n" + |
| " System.out.println(\"In A.set(Object)\");\n" + |
| " }\n" + |
| "}\n" + |
| "class B extends A<E, CharSequence> implements I<E, CharSequence> {\n" + |
| " public void set(CharSequence string) {\n" + |
| " System.out.println(\"In B.set(CharSequence)\");\n" + |
| " }\n" + |
| "}\n" + |
| "public class C extends B {\n" + |
| " static public void main(String[] args) {\n" + |
| " C c = new C();\n" + |
| " c.run();\n" + |
| " }\n" + |
| " public void run() {\n" + |
| " E e = new E<String>(String.class);\n" + |
| " this.doSet(e);\n" + |
| " }\n" + |
| "}\n" + |
| "class D {\n" + |
| " public Object getObject() {\n" + |
| " return null;\n" + |
| " }\n" + |
| "}\n" + |
| "class E<Type extends CharSequence> extends D {\n" + |
| " private Class<Type> typeClass;\n" + |
| " public E(Class<Type> typeClass) {\n" + |
| " this.typeClass = typeClass;\n" + |
| " }\n" + |
| " public Type getObject() {\n" + |
| " try {\n" + |
| " return (Type) typeClass.newInstance();\n" + |
| " } catch (Exception e) {\n" + |
| " throw new RuntimeException(e);\n" + |
| " }\n" + |
| " }\n" + |
| "}\n" + |
| "interface I<ModelType, ValueType> {\n" + |
| " public void doSet(ModelType model);\n" + |
| " public void set(ValueType value);\n" + |
| "}\n" |
| |
| }, |
| "In B.set(CharSequence)"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=302358 |
| public void test084() { |
| this.runConformTest( |
| new String[] { |
| "C.java", |
| "abstract class A<ModelType extends D, ValueType> implements I<ModelType, ValueType> {\n" + |
| " public void doSet(ModelType valueGetter) {\n" + |
| " this.set((ValueType) valueGetter.getObject());\n" + |
| " }\n" + |
| " public void set(Object object) {\n" + |
| " System.out.println(\"In A.set(Object)\");\n" + |
| " }\n" + |
| "}\n" + |
| "class B extends A<E, CharSequence> {\n" + |
| "}\n" + |
| "public class C extends B {\n" + |
| " static public void main(String[] args) {\n" + |
| " C c = new C();\n" + |
| " c.run();\n" + |
| " }\n" + |
| " public void run() {\n" + |
| " E e = new E<String>(String.class);\n" + |
| " this.doSet(e);\n" + |
| " }\n" + |
| "}\n" + |
| "class D {\n" + |
| " public Object getObject() {\n" + |
| " return null;\n" + |
| " }\n" + |
| "}\n" + |
| "class E<Type extends CharSequence> extends D {\n" + |
| " private Class<Type> typeClass;\n" + |
| " public E(Class<Type> typeClass) {\n" + |
| " this.typeClass = typeClass;\n" + |
| " }\n" + |
| " public Type getObject() {\n" + |
| " try {\n" + |
| " return (Type) typeClass.newInstance();\n" + |
| " } catch (Exception e) {\n" + |
| " throw new RuntimeException(e);\n" + |
| " }\n" + |
| " }\n" + |
| "}\n" + |
| "interface I<ModelType, ValueType> {\n" + |
| " public void doSet(ModelType model);\n" + |
| " public void set(ValueType value);\n" + |
| "}\n" |
| |
| }, |
| "In A.set(Object)"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=302358 |
| public void test085() { |
| this.runConformTest( |
| new String[] { |
| "C.java", |
| "class A<ModelType extends D, ValueType> implements I<ModelType, ValueType> {\n" + |
| " public void doSet(ModelType valueGetter) {\n" + |
| " this.set((ValueType) valueGetter.getObject());\n" + |
| " }\n" + |
| " public void set(Object object) {\n" + |
| " System.out.println(\"In A.set(Object)\");\n" + |
| " }\n" + |
| "}\n" + |
| "class B extends A<E, CharSequence> {\n" + |
| "}\n" + |
| "public class C extends B {\n" + |
| " static public void main(String[] args) {\n" + |
| " C c = new C();\n" + |
| " c.run();\n" + |
| " }\n" + |
| " public void run() {\n" + |
| " E e = new E<String>(String.class);\n" + |
| " this.doSet(e);\n" + |
| " }\n" + |
| "}\n" + |
| "class D {\n" + |
| " public Object getObject() {\n" + |
| " return null;\n" + |
| " }\n" + |
| "}\n" + |
| "class E<Type extends CharSequence> extends D {\n" + |
| " private Class<Type> typeClass;\n" + |
| " public E(Class<Type> typeClass) {\n" + |
| " this.typeClass = typeClass;\n" + |
| " }\n" + |
| " public Type getObject() {\n" + |
| " try {\n" + |
| " return (Type) typeClass.newInstance();\n" + |
| " } catch (Exception e) {\n" + |
| " throw new RuntimeException(e);\n" + |
| " }\n" + |
| " }\n" + |
| "}\n" + |
| "interface I<ModelType, ValueType> {\n" + |
| " public void doSet(ModelType model);\n" + |
| " public void set(ValueType value);\n" + |
| "}\n" |
| |
| }, |
| "In A.set(Object)"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=302358 |
| public void test086() { |
| this.runConformTest( |
| new String[] { |
| "C.java", |
| "class A<ModelType extends D, ValueType> {\n" + |
| " public void doSet(ModelType valueGetter) {\n" + |
| " this.set((ValueType) valueGetter.getObject());\n" + |
| " }\n" + |
| " public void set(Object object) {\n" + |
| " System.out.println(\"In A.set(Object)\");\n" + |
| " }\n" + |
| "}\n" + |
| "class B extends A<E, CharSequence> {\n" + |
| " public void set(CharSequence string) {\n" + |
| " System.out.println(\"In B.set(CharSequence)\");\n" + |
| " }\n" + |
| "}\n" + |
| "public class C extends B {\n" + |
| " static public void main(String[] args) {\n" + |
| " C c = new C();\n" + |
| " c.run();\n" + |
| " }\n" + |
| " public void run() {\n" + |
| " E e = new E<String>(String.class);\n" + |
| " this.doSet(e);\n" + |
| " }\n" + |
| "}\n" + |
| "class D {\n" + |
| " public Object getObject() {\n" + |
| " return null;\n" + |
| " }\n" + |
| "}\n" + |
| "class E<Type extends CharSequence> extends D {\n" + |
| " private Class<Type> typeClass;\n" + |
| " public E(Class<Type> typeClass) {\n" + |
| " this.typeClass = typeClass;\n" + |
| " }\n" + |
| " public Type getObject() {\n" + |
| " try {\n" + |
| " return (Type) typeClass.newInstance();\n" + |
| " } catch (Exception e) {\n" + |
| " throw new RuntimeException(e);\n" + |
| " }\n" + |
| " }\n" + |
| "}\n" + |
| "interface I<ModelType, ValueType> {\n" + |
| " public void doSet(ModelType model);\n" + |
| " public void set(ValueType value);\n" + |
| "}\n" |
| |
| }, |
| "In A.set(Object)"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=321485 |
| public void test087() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "import java.util.Collection;\n" + |
| "import java.util.List;\n" + |
| "public class X {\n" + |
| " public static <T> List<T> with(List<? extends T> p) { return null; } \n" + |
| " public static <T> Collection<T> with(Collection<T> p) { return null; }\n" + |
| " static { with(null); }\n" + |
| "} \n" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 6)\n" + |
| " static { with(null); }\n" + |
| " ^^^^\n" + |
| "The method with(List<? extends Object>) is ambiguous for the type X\n" + |
| "----------\n" |
| ); |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=354579 |
| public void test088a() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " int foo () { return 0; } \n" + |
| " double foo() { return 0.0; }\n" + |
| "} \n" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 2)\n" + |
| " int foo () { return 0; } \n" + |
| " ^^^^^^\n" + |
| "Duplicate method foo() in type X\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 3)\n" + |
| " double foo() { return 0.0; }\n" + |
| " ^^^^^\n" + |
| "Duplicate method foo() in type X\n" + |
| "----------\n" |
| ); |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=354579 |
| public void test088b() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public interface X {\n" + |
| " int foo (); \n" + |
| " double foo();\n" + |
| "} \n" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 2)\n" + |
| " int foo (); \n" + |
| " ^^^^^^\n" + |
| "Duplicate method foo() in type X\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 3)\n" + |
| " double foo();\n" + |
| " ^^^^^\n" + |
| "Duplicate method foo() in type X\n" + |
| "----------\n" |
| ); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=354579 |
| public void test089() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "import java.util.List;\n" + |
| "public class X {\n" + |
| " int m2(List<Integer> a) {return 0;} \n" + |
| " double m2(List<Integer> b) {return 0.0;}\n" + |
| "} \n" |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 3)\n" + |
| " int m2(List<Integer> a) {return 0;} \n" + |
| " ^^^^^^^^^^^^^^^^^^^\n" + |
| "Duplicate method m2(List<Integer>) in type X\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 4)\n" + |
| " double m2(List<Integer> b) {return 0.0;}\n" + |
| " ^^^^^^^^^^^^^^^^^^^\n" + |
| "Duplicate method m2(List<Integer>) in type X\n" + |
| "----------\n" |
| ); |
| } |
| public void testBug426521() { |
| runNegativeTest( |
| new String[] { |
| "Test.java", |
| "import java.util.List;\n" + |
| "\n" + |
| "class Test {\n" + |
| " <U> void m(List<U> l, U v) { }\n" + |
| "\n" + |
| " <V> void m(List<V> l1, List<V> l2) { }\n" + |
| "\n" + |
| " void test(List<Object> l) {\n" + |
| " m(l, l); //JDK 6/7 give ambiguity here - EJC compiles ok\n" + |
| " }\n" + |
| "}\n" |
| }, |
| this.complianceLevel < ClassFileConstants.JDK1_8 ? "" : |
| "----------\n" + |
| "1. ERROR in Test.java (at line 9)\n" + |
| " m(l, l); //JDK 6/7 give ambiguity here - EJC compiles ok\n" + |
| " ^\n" + |
| "The method m(List<Object>, Object) is ambiguous for the type Test\n" + |
| "----------\n"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=428845 |
| public void testBug428845() { |
| runNegativeTest( |
| new String[] { |
| "AmbiguousTest.java", |
| "import java.io.File;\n" + |
| "public class AmbiguousTest {\n" + |
| " static interface IInterface {\n" + |
| " public void method(File file);\n" + |
| " }\n" + |
| " static abstract class AbstractClass implements IInterface {\n" + |
| " public void method(File file) {\n" + |
| " System.err.println(\"file\");\n" + |
| " }\n" + |
| " public void method(String string) {\n" + |
| " System.err.println(\"string\");\n" + |
| " }\n" + |
| " }\n" + |
| " private static AbstractClass newAbstractClass() {\n" + |
| " return new AbstractClass() {};\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " newAbstractClass().method(null);\n" + |
| " }\n" + |
| "}" |
| }, |
| "----------\n" + |
| "1. ERROR in AmbiguousTest.java (at line 18)\n" + |
| " newAbstractClass().method(null);\n" + |
| " ^^^^^^\n" + |
| "The method method(File) is ambiguous for the type AmbiguousTest.AbstractClass\n" + |
| "----------\n"); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=458563 - invalid ambiguous method error on Java 8 that isn't seen on Java 7 (or with javac) |
| public void testBug458563() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "interface IStoredNode<T> extends INodeHandle<DocumentImpl>, NodeHandle { }\n" + |
| "interface NodeHandle extends INodeHandle<DocumentImpl> { }\n" + |
| "class DocumentImpl implements INodeHandle<DocumentImpl> {\n" + |
| " public Object getNodeId() {return null;}\n" + |
| "}\n" + |
| "interface INodeHandle<D> {\n" + |
| " public Object getNodeId();\n" + |
| "}\n" + |
| "public class X {\n" + |
| " public void foo(IStoredNode bar) {\n" + |
| " bar.getNodeId();\n" + |
| " }\n" + |
| "}" |
| }); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=458563 - invalid ambiguous method error on Java 8 that isn't seen on Java 7 (or with javac) |
| public void testBug458563a() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "interface IStoredNode<T> extends INodeHandle<DocumentImpl>, NodeHandle { }\n" + |
| "interface NodeHandle extends INodeHandle<DocumentImpl> { }\n" + |
| "class DocumentImpl implements INodeHandle<DocumentImpl> {\n" + |
| " public Object getNodeId() {return null;}\n" + |
| "}\n" + |
| "interface INodeHandle<D> {\n" + |
| " public Object getNodeId();\n" + |
| "}\n" + |
| "public class X {\n" + |
| " public void foo(IStoredNode<?> bar) {\n" + |
| " bar.getNodeId();\n" + |
| " }\n" + |
| "}" |
| }); |
| } |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=466730 - Java 8: single method with generics is ambiguous when using import static ...* and inheritance |
| public void testBug466730() { |
| runConformTest( |
| new String[] { |
| "bug/Base.java", |
| "package bug;\n" + |
| "public class Base {\n" + |
| " public static Object works() {\n" + |
| " throw new IllegalStateException();\n" + |
| " }\n" + |
| " public static <T> T fails() {\n" + |
| " throw new IllegalStateException();\n" + |
| " }\n" + |
| "}\n", |
| "bug/Derived.java", |
| "package bug;\n" + |
| "public class Derived extends Base {}\n", |
| "bug/StaticImportBug.java", |
| "package bug;\n" + |
| "import static bug.Base.*;\n" + |
| "import static bug.Derived.*;\n" + |
| "public class StaticImportBug {\n" + |
| " void m() {\n" + |
| " java.util.Objects.requireNonNull(works());\n" + |
| " java.util.Objects.requireNonNull(fails());\n" + |
| " }\n" + |
| "}\n" |
| }); |
| } |
| } |