| /******************************************************************************* |
| * Copyright (c) 2018, 2019 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 |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * 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 |
| *******************************************************************************/ |
| package org.eclipse.jdt.core.tests.compiler.regression; |
| |
| import java.util.Map; |
| |
| import org.eclipse.jdt.internal.compiler.impl.CompilerOptions; |
| |
| import junit.framework.Test; |
| |
| public class SwitchExpressionTest extends AbstractRegressionTest { |
| |
| static { |
| // TESTS_NUMBERS = new int [] { 40 }; |
| // TESTS_NAMES = new String[] { "testBug543240_1" }; |
| } |
| |
| public static Class<?> testClass() { |
| return SwitchExpressionTest.class; |
| } |
| public static Test suite() { |
| return buildMinimalComplianceTestSuite(testClass(), F_12); |
| } |
| public SwitchExpressionTest(String testName){ |
| super(testName); |
| } |
| |
| // Enables the tests to run individually |
| protected Map<String, String> getCompilerOptions() { |
| Map<String, String> defaultOptions = super.getCompilerOptions(); |
| defaultOptions.put(CompilerOptions.OPTION_Compliance, CompilerOptions.VERSION_12); // FIXME |
| defaultOptions.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_12); |
| defaultOptions.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_12); |
| defaultOptions.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| defaultOptions.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| return defaultOptions; |
| } |
| |
| @Override |
| protected void runConformTest(String[] testFiles, Map customOptions) { |
| super.runConformTest(testFiles, "", null, true, new String[] {"--enable-preview"}, customOptions, null); |
| } |
| |
| @Override |
| protected void runConformTest(String[] testFiles, String expectedOutput, Map customOptions) { |
| super.runConformTest(testFiles, expectedOutput, null, true, new String[] {"--enable-preview"}, customOptions, null); |
| } |
| public void testSimpleExpressions() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " static int twice(int i) {\n" + |
| " int tw = switch (i) {\n" + |
| " case 0 -> i * 0;\n" + |
| " case 1 -> 2;\n" + |
| " default -> 3;\n" + |
| " };\n" + |
| " return tw;\n" + |
| " }\n" + |
| " public static void main(String... args) {\n" + |
| " System.out.print(twice(3));\n" + |
| " }\n" + |
| "}\n" |
| }, |
| "3", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testSwitchExpression_531714_002() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n"+ |
| " static int twice(int i) throws Exception {\n"+ |
| " int tw = switch (i) {\n"+ |
| " case 0 -> 0;\n"+ |
| " case 1 -> { \n"+ |
| " System.out.println(\"do_not_print\");\n"+ |
| " break 1;\n"+ |
| " } \n"+ |
| " case 3 -> throw new Exception();\n"+ |
| " default -> throw new Exception();\n"+ |
| " };\n"+ |
| " return tw;\n"+ |
| " }\n"+ |
| " public static void main(String[] args) {\n"+ |
| " try {\n"+ |
| " try {\n"+ |
| " System.out.print(twice(3));\n"+ |
| " } catch (Exception e) {\n"+ |
| " System.out.print(\"Got Exception - expected\");\n"+ |
| " }\n"+ |
| " } catch (Exception e) {\n"+ |
| " System.out.print(\"Got Exception\");\n"+ |
| " }\n"+ |
| " }\n"+ |
| "}\n" |
| }, |
| "Got Exception - expected", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug531714_error_003() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " twice(1);\n" + |
| " }\n" + |
| " public static int twice(int i) {\n" + |
| " int tw = switch (i) {\n" + |
| " };\n" + |
| " return tw;\n" + |
| " }\n" + |
| "}\n", |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 6)\n" + |
| " int tw = switch (i) {\n" + |
| " };\n" + |
| " ^^^^^^^^^^^^^^^^\n" + |
| "A switch expression should have a non-empty switch block\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 6)\n" + |
| " int tw = switch (i) {\n" + |
| " ^\n" + |
| "A switch expression should have a default case\n" + |
| "----------\n"); |
| } |
| public void testBug531714_error_004() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " twice(1);\n" + |
| " }\n" + |
| " public static int twice(int i) {\n" + |
| " int tw = switch (i) {\n" + |
| " case 0 -> 0;\n" + |
| " case 1 -> { \n" + |
| " System.out.println(\"heel\");\n" + |
| " break 1;\n" + |
| " } \n" + |
| " case \"hello\" -> throw new java.io.IOException(\"hello\");\n" + |
| " default -> throw new java.io.IOException(\"world\");\n" + |
| " };\n" + |
| " return tw;\n" + |
| " }\n" + |
| "}\n", |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 12)\n" + |
| " case \"hello\" -> throw new java.io.IOException(\"hello\");\n" + |
| " ^^^^^^^\n" + |
| "Type mismatch: cannot convert from String to int\n" + |
| "----------\n"); |
| } |
| public void testBug531714_error_005() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " twice(1);\n" + |
| " }\n" + |
| " public static int twice(int i) {\n" + |
| " int tw = switch (i) {\n" + |
| " case 0 -> 0;\n" + |
| " case 1 -> { \n" + |
| " System.out.println(\"heel\");\n" + |
| " break 1;\n" + |
| " } \n" + |
| " case 2 -> 2;\n" + |
| " };\n" + |
| " return tw;\n" + |
| " }\n" + |
| "}\n", |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 6)\n" + |
| " int tw = switch (i) {\n" + |
| " ^\n" + |
| "A switch expression should have a default case\n" + |
| "----------\n"); |
| } |
| /** |
| * Add a test case for enum |
| * If the type of the selector expression is an enum type, |
| * then the set of all the case constants associated with the switch block |
| * must contain all the enum constants of that enum type |
| * Add a missing enum test case |
| */ |
| public void _testBug531714_error_006() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " int x, y;\n" + |
| " I i = () -> {\n" + |
| " int z = 10;\n" + |
| " };\n" + |
| " i++;\n" + |
| " }\n" + |
| " public static int twice(int i) {\n" + |
| " int tw = switch (i) {\n" + |
| " case 0 -> 0;\n" + |
| " case 1 -> { \n" + |
| " System.out.println(\"heel\");\n" + |
| " break 1;\n" + |
| " } \n" + |
| " // case 2 -> 2;\n" + |
| " case \"hello\" -> throw new IOException(\"hello\");\n" + |
| " };\n" + |
| " return tw;\n" + |
| " }\n" + |
| "}\n", |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 7)\n" + |
| " int tw = switch (i) {\n" + |
| " ^^^^^\n" + |
| " The switch expression should have a default case\n" + |
| "----------\n"); |
| } |
| /* |
| * should compile - test for adding additional nesting in variables |
| * dev note: ref consumeToken().case Switch |
| */ |
| public void testBug531714_error_007() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n"+ |
| " static int foo(int i) {\n"+ |
| " int tw = \n"+ |
| " switch (i) {\n"+ |
| " case 1 -> \n"+ |
| " {\n"+ |
| " int z = 100;\n"+ |
| " break z;\n"+ |
| " }\n"+ |
| " default -> {\n"+ |
| " break 12;\n"+ |
| " }\n"+ |
| " };\n"+ |
| " return tw;\n"+ |
| " }\n"+ |
| " public static void main(String[] args) {\n"+ |
| " System.out.print(foo(1));\n"+ |
| " }\n"+ |
| "}\n" |
| }, |
| "100", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug531714_008() { |
| Map<String, String> disablePreviewOptions = getCompilerOptions(); |
| disablePreviewOptions.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.DISABLED); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " static int twice(int i) {\n" + |
| " int tw = switch (i) {\n" + |
| " case 0 -> i * 0;\n" + |
| " case 1 -> 2;\n" + |
| " default -> 3;\n" + |
| " };\n" + |
| " return tw;\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " System.out.print(twice(3));\n" + |
| " }\n" + |
| "}\n", |
| }; |
| |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 3)\n" + |
| " int tw = switch (i) {\n" + |
| " case 0 -> i * 0;\n" + |
| " case 1 -> 2;\n" + |
| " default -> 3;\n" + |
| " };\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Switch Expressions is a preview feature and disabled by default. Use --enable-preview to enable\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 4)\n" + |
| " case 0 -> i * 0;\n" + |
| " ^^^^^^\n" + |
| "Case Labels with '->' is a preview feature and disabled by default. Use --enable-preview to enable\n" + |
| "----------\n" + |
| "3. ERROR in X.java (at line 5)\n" + |
| " case 1 -> 2;\n" + |
| " ^^^^^^\n" + |
| "Case Labels with '->' is a preview feature and disabled by default. Use --enable-preview to enable\n" + |
| "----------\n" + |
| "4. ERROR in X.java (at line 6)\n" + |
| " default -> 3;\n" + |
| " ^^^^^^^\n" + |
| "Case Labels with '->' is a preview feature and disabled by default. Use --enable-preview to enable\n" + |
| "----------\n"; |
| |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| disablePreviewOptions); |
| } |
| public void testBug543667_001() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| "\n" + |
| " public static void bar(int i) {\n" + |
| " switch (i) {\n" + |
| " case 1 -> System.out.println(\"hello\");\n" + |
| " default -> System.out.println(\"DEFAULT\");\n" + |
| " }\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " bar(1);\n" + |
| " }\n" + |
| "}\n" |
| }, |
| "hello", |
| null, |
| false, |
| new String[] { "--enable-preview"}); |
| } |
| public void testBug531714_009() { |
| Map<String, String> disablePreviewOptions = getCompilerOptions(); |
| disablePreviewOptions.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.DISABLED); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " static int twice(int i) {\n" + |
| " switch (i) {\n" + |
| " case 0 -> i * 0;\n" + |
| " case 1 -> 2;\n" + |
| " default -> 3;\n" + |
| " }\n" + |
| " return 0;\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " System.out.print(twice(3));\n" + |
| " }\n" + |
| "}\n", |
| }; |
| |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 4)\n" + |
| " case 0 -> i * 0;\n" + |
| " ^^^^^^\n" + |
| "Case Labels with \'->\' is a preview feature and disabled by default. Use --enable-preview to enable\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 5)\n" + |
| " case 1 -> 2;\n" + |
| " ^^^^^^\n" + |
| "Case Labels with \'->\' is a preview feature and disabled by default. Use --enable-preview to enable\n" + |
| "----------\n" + |
| "3. ERROR in X.java (at line 6)\n" + |
| " default -> 3;\n" + |
| " ^^^^^^^\n" + |
| "Case Labels with \'->\' is a preview feature and disabled by default. Use --enable-preview to enable\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| disablePreviewOptions); |
| } |
| public void testBug531714_010() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.ERROR); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " static int twice(int i) {\n" + |
| " switch (i) {\n" + |
| " default -> 3;\n" + |
| " }\n" + |
| " return 0;\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " System.out.print(twice(3));\n" + |
| " }\n" + |
| "}\n", |
| }; |
| |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 4)\n" + |
| " default -> 3;\n" + |
| " ^^^^^^^\n" + |
| "You are using a preview language feature that may or may not be supported in a future release\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 4)\n" + |
| " default -> 3;\n" + |
| " ^\n" + |
| "Invalid expression as statement\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| options); |
| } |
| public void testBug531714_011() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.WARNING); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " @SuppressWarnings(\"preview\")\n" + |
| " static int twice(int i) {\n" + |
| " switch (i) {\n" + |
| " default -> 3;\n" + |
| " }\n" + |
| " return 0;\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " System.out.print(twice(3));\n" + |
| " }\n" + |
| "}\n", |
| }; |
| |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 5)\n" + |
| " default -> 3;\n" + |
| " ^\n" + |
| "Invalid expression as statement\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| getCompilerOptions()); |
| } |
| public void testBug531714_012() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.WARNING); |
| String release = options.get(CompilerOptions.OPTION_Release); |
| options.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_11); |
| try { |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " static int twice(int i) {\n" + |
| " switch (i) {\n" + |
| " default -> 3;\n" + |
| " }\n" + |
| " return 0;\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " System.out.print(twice(3));\n" + |
| " }\n" + |
| "}\n", |
| }; |
| |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 4)\n" + |
| " default -> 3;\n" + |
| " ^^^^^^^\n" + |
| "The preview feature Case Labels with \'->\' is only available with source level 12 and above\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 4)\n" + |
| " default -> 3;\n" + |
| " ^\n" + |
| "Invalid expression as statement\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| options); |
| } finally { |
| options.put(CompilerOptions.OPTION_Source, release); |
| } |
| } |
| public void testBug531714_013() { |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static int foo(int i) {\n" + |
| " int v;\n" + |
| " int t = switch (i) {\n" + |
| " case 0 : {\n" + |
| " break 0;\n" + |
| " }\n" + |
| " default :v = 2;\n" + |
| " };\n" + |
| " return t;\n" + |
| " }\n" + |
| " \n" + |
| " public boolean bar() {\n" + |
| " return true;\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " System.out.println(foo(3));\n" + |
| " }\n" + |
| "}\n", |
| }; |
| |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 8)\n" + |
| " default :v = 2;\n" + |
| " ^^^^^\n" + |
| "A switch labeled block in a switch expression should not complete normally\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| getCompilerOptions()); |
| } |
| public void testBug531714_014() { |
| // switch expression is not a Primary |
| Runner runner = new Runner(); |
| runner.customOptions = getCompilerOptions(); |
| runner.testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void test(int i) {\n" + |
| " System.out.println(switch (i) {\n" + |
| " case 1 -> \"one\";\n" + |
| " default -> null;\n" + |
| " }.toLowerCase());\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " new X().test(1);\n" + |
| " }\n" + |
| "}\n" |
| }; |
| runner.expectedCompilerLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 6)\n" + |
| " }.toLowerCase());\n" + |
| " ^\n" + |
| "Syntax error on token \".\", , expected\n" + |
| "----------\n"; |
| runner.runNegativeTest(); |
| } |
| public void testBug543673_001() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static int foo(Day day) {\n" + |
| "\n" + |
| " var len= switch (day) {\n" + |
| " case SUNDAY-> 6;\n" + |
| " default -> 10;\n" + |
| " };\n" + |
| "\n" + |
| " return len;\n" + |
| " }\n" + |
| "\n" + |
| " public static void main(String[] args) {\n" + |
| " System.out.println(foo(Day.SUNDAY));\n" + |
| " }\n" + |
| "}\n" + |
| "enum Day {\n" + |
| " MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY;\n" + |
| "}\n" |
| }, |
| "6", |
| null, |
| false, |
| new String[] { "--enable-preview"}); |
| } |
| /* |
| * A simple multi constant case statement, compiled and run as expected |
| */ |
| public void testBug543240_1() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| "public static void bar(Day day) {\n" + |
| " switch (day) {\n" + |
| " case SATURDAY, SUNDAY: \n" + |
| " System.out.println(Day.SUNDAY);\n" + |
| " break;\n" + |
| " case MONDAY : System.out.println(Day.MONDAY);\n" + |
| " break;\n" + |
| " }\n" + |
| " }" + |
| " public static void main(String[] args) {\n" + |
| " bar(Day.SATURDAY);\n" + |
| " }\n" + |
| "}\n" + |
| "enum Day { SATURDAY, SUNDAY, MONDAY;}", |
| }; |
| |
| String expectedProblemLog = |
| "SUNDAY"; |
| this.runConformTest( |
| testFiles, |
| expectedProblemLog, |
| options, |
| new String[] { "--enable-preview"}); |
| } |
| /* |
| * A simple multi constant case statement, compiler reports missing enum constants |
| */ |
| public void testBug543240_1a() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " }\n" + |
| "public static void bar(Day day) {\n" + |
| " switch (day) {\n" + |
| " case SATURDAY, SUNDAY: \n" + |
| " System.out.println(Day.SUNDAY);\n" + |
| " break;\n" + |
| " case MONDAY : System.out.println(Day.MONDAY);\n" + |
| " break;\n" + |
| " }\n" + |
| " }" + |
| "}\n" + |
| "enum Day { SATURDAY, SUNDAY, MONDAY, TUESDAY;}", |
| }; |
| |
| String expectedProblemLog = |
| "----------\n" + |
| "1. WARNING in X.java (at line 5)\n" + |
| " switch (day) {\n" + |
| " ^^^\n" + |
| "The enum constant TUESDAY needs a corresponding case label in this enum switch on Day\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| new String[] { "--enable-preview"}, |
| options); |
| } |
| /* |
| * A simple multi constant case statement with duplicate enums |
| */ |
| public void testBug543240_2() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| "public static void bar(Day day) {\n" + |
| " switch (day) {\n" + |
| " case SATURDAY, SUNDAY: \n" + |
| " System.out.println(Day.SUNDAY);\n" + |
| " break;\n" + |
| " case SUNDAY : System.out.println(Day.SUNDAY);\n" + |
| " break;\n" + |
| " }\n" + |
| " }" + |
| " public static void main(String[] args) {\n" + |
| " bar(Day.SATURDAY);\n" + |
| " }\n" + |
| "}\n" + |
| "enum Day { SATURDAY, SUNDAY, MONDAY;}", |
| }; |
| |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 7)\n" + |
| " case SUNDAY : System.out.println(Day.SUNDAY);\n" + |
| " ^^^^^^^^^^^\n" + |
| "Duplicate case\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 7)\n" + |
| " case SUNDAY : System.out.println(Day.SUNDAY);\n" + |
| " ^^^^^^^^^^^\n" + |
| "Duplicate case\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| options); |
| } |
| /* |
| * A simple multi constant case statement with duplicate enums |
| */ |
| public void testBug543240_2a() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| "public static void bar(Day day) {\n" + |
| " switch (day) {\n" + |
| " case SATURDAY, SUNDAY: \n" + |
| " System.out.println(Day.SUNDAY);\n" + |
| " break;\n" + |
| " case SUNDAY, SATURDAY : \n" + |
| " System.out.println(Day.SUNDAY);\n" + |
| " break;\n" + |
| " }\n" + |
| " }" + |
| "}\n" + |
| "enum Day { SATURDAY, SUNDAY, MONDAY;}", |
| }; |
| |
| String expectedProblemLog = |
| "----------\n" + |
| "1. WARNING in X.java (at line 3)\n" + |
| " switch (day) {\n" + |
| " ^^^\n" + |
| "The enum constant MONDAY needs a corresponding case label in this enum switch on Day\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 7)\n" + |
| " case SUNDAY, SATURDAY : \n" + |
| " ^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Duplicate case\n" + |
| "----------\n" + |
| "3. ERROR in X.java (at line 7)\n" + |
| " case SUNDAY, SATURDAY : \n" + |
| " ^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Duplicate case\n" + |
| "----------\n" + |
| "4. ERROR in X.java (at line 7)\n" + |
| " case SUNDAY, SATURDAY : \n" + |
| " ^^^^^^^^^^^^^^^^^^^^^\n" + |
| "Duplicate case\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| options); |
| } |
| /* |
| * |
| */ |
| public void testBug543240_3() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| "public static void bar(Day day) {\n" + |
| " switch (day) {\n" + |
| " case SATURDAY, SUNDAY: \n" + |
| " System.out.println(Day.SUNDAY);\n" + |
| " break;\n" + |
| " case TUESDAY : System.out.println(Day.SUNDAY);\n" + |
| " break;\n" + |
| " }\n" + |
| " }" + |
| " public static void main(String[] args) {\n" + |
| " bar(Day.SATURDAY);\n" + |
| " }\n" + |
| "}\n" + |
| "enum Day { SATURDAY, SUNDAY, MONDAY, TUESDAY;}", |
| }; |
| |
| String expectedProblemLog = |
| "----------\n" + |
| "1. WARNING in X.java (at line 3)\n" + |
| " switch (day) {\n" + |
| " ^^^\n" + |
| "The enum constant MONDAY needs a corresponding case label in this enum switch on Day\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| new String[] {"--enable-preview"}, |
| options); |
| } |
| public void testBug543240_4() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| "public static void bar(Day day) {\n" + |
| " switch (day) {\n" + |
| " case SATURDAY, SUNDAY: \n" + |
| " System.out.println(day);\n" + |
| " break;\n" + |
| " case MONDAY : System.out.println(0);\n" + |
| " break;\n" + |
| " }\n" + |
| " }" + |
| " public static void main(String[] args) {\n" + |
| " bar(Day.SATURDAY);\n" + |
| " bar(Day.MONDAY);\n" + |
| " bar(Day.SUNDAY);\n" + |
| " }\n" + |
| "}\n" + |
| "enum Day { SATURDAY, SUNDAY, MONDAY;}", |
| }; |
| |
| String expectedProblemLog = |
| "SATURDAY\n" + |
| "0\n" + |
| "SUNDAY"; |
| this.runConformTest( |
| testFiles, |
| expectedProblemLog, |
| options, |
| new String[] {"--enable-preview"}); |
| } |
| /* |
| * Simple switch case with string literals |
| */ |
| public void testBug543240_5() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " bar(\"a\");\n" + |
| " bar(\"b\");\n" + |
| " bar(\"c\");\n" + |
| " bar(\"d\");\n" + |
| " }\n" + |
| " public static void bar(String s) {\n" + |
| " switch(s) {\n" + |
| " case \"a\":\n" + |
| " case \"b\":\n" + |
| " System.out.println(\"A/B\");\n" + |
| " break;\n" + |
| " case \"c\":\n" + |
| " System.out.println(\"C\");\n" + |
| " break;\n" + |
| " default:\n" + |
| " System.out.println(\"NA\");\n" + |
| " }\n" + |
| " }\n" + |
| "}", |
| }; |
| String expectedProblemLog = |
| "A/B\n" + |
| "A/B\n" + |
| "C\n" + |
| "NA"; |
| this.runConformTest( |
| testFiles, |
| expectedProblemLog, |
| options, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug543240_6() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " bar(\"a\");\n" + |
| " bar(\"b\");\n" + |
| " bar(\"c\");\n" + |
| " bar(\"d\");\n" + |
| " }\n" + |
| " public static void bar(String s) {\n" + |
| " switch(s) {\n" + |
| " case \"a\", \"b\":\n" + |
| " System.out.println(\"A/B\");\n" + |
| " break;\n" + |
| " case \"c\":\n" + |
| " System.out.println(\"C\");\n" + |
| " break;\n" + |
| " default:\n" + |
| " System.out.println(\"NA\");\n" + |
| " }\n" + |
| " }\n" + |
| "}", |
| }; |
| String expectedProblemLog = |
| "A/B\n" + |
| "A/B\n" + |
| "C\n" + |
| "NA"; |
| this.runConformTest( |
| testFiles, |
| expectedProblemLog, |
| options, |
| new String[] {"--enable-preview"}); |
| } |
| /* |
| * Switch with multi constant case statements with string literals |
| * two string literals with same hashcode |
| */ |
| public void testBug543240_7() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " bar(\"FB\");\n" + |
| " bar(\"Ea\");\n" + |
| " bar(\"c\");\n" + |
| " bar(\"D\");\n" + |
| " }\n" + |
| " public static void bar(String s) {\n" + |
| " switch(s) {\n" + |
| " case \"FB\", \"c\":\n" + |
| " System.out.println(\"A\");\n" + |
| " break;\n" + |
| " case \"Ea\":\n" + |
| " System.out.println(\"B\");\n" + |
| " break;\n" + |
| " default:\n" + |
| " System.out.println(\"NA\");\n" + |
| " }\n" + |
| " }\n" + |
| "}", |
| }; |
| String expectedProblemLog = |
| "A\n" + |
| "B\n" + |
| "A\n" + |
| "NA"; |
| this.runConformTest( |
| testFiles, |
| expectedProblemLog, |
| options, |
| new String[] {"--enable-preview"}); |
| } |
| /* |
| * Switch with multi constant case statements with integer constants |
| */ |
| public void testBug543240_8() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " bar(1);\n" + |
| " bar(2);\n" + |
| " bar(3);\n" + |
| " bar(4);\n" + |
| " bar(5);\n" + |
| " }\n" + |
| " public static void bar(int i) {\n" + |
| " switch (i) {\n" + |
| " case 1, 3: \n" + |
| " System.out.println(\"Odd\");\n" + |
| " break;\n" + |
| " case 2, 4: \n" + |
| " System.out.println(\"Even\");\n" + |
| " break;\n" + |
| " default:\n" + |
| " System.out.println(\"Out of range\");\n" + |
| " }\n" + |
| " }\n" + |
| "}", |
| }; |
| String expectedProblemLog = |
| "Odd\n" + |
| "Even\n" + |
| "Odd\n" + |
| "Even\n" + |
| "Out of range"; |
| this.runConformTest( |
| testFiles, |
| expectedProblemLog, |
| options, |
| new String[] {"--enable-preview"}); |
| } |
| /* |
| * Switch multi-constant with mixed constant types, reported |
| */ |
| public void testBug543240_9() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " }\n" + |
| " public static void bar(int i) {\n" + |
| " switch (i) {\n" + |
| " case 1, 3: \n" + |
| " System.out.println(\"Odd\");\n" + |
| " break;\n" + |
| " case \"2\": \n" + |
| " System.out.println(\"Even\");\n" + |
| " break;\n" + |
| " default:\n" + |
| " System.out.println(\"Out of range\");\n" + |
| " }\n" + |
| " }\n" + |
| "}", |
| }; |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 9)\n" + |
| " case \"2\": \n" + |
| " ^^^\n" + |
| "Type mismatch: cannot convert from String to int\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| options); |
| } |
| /* |
| * Switch multi-constant without break statement, reported |
| */ |
| public void testBug543240_10() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| options.put(CompilerOptions.OPTION_ReportFallthroughCase, CompilerOptions.WARNING); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " }\n" + |
| " public static void bar(int i) {\n" + |
| " switch (i) {\n" + |
| " case 1, 3: \n" + |
| " System.out.println(\"Odd\");\n" + |
| " case 2, 4: \n" + |
| " System.out.println(\"Even\");\n" + |
| " break;\n" + |
| " default:\n" + |
| " System.out.println(\"Out of range\");\n" + |
| " }\n" + |
| " }\n" + |
| "}", |
| }; |
| String expectedProblemLog = |
| "----------\n" + |
| "1. WARNING in X.java (at line 8)\n" + |
| " case 2, 4: \n" + |
| " ^^^^^^^^^\n" + |
| "Switch case may be entered by falling through previous case. If intended, add a new comment //$FALL-THROUGH$ on the line above\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| new String[] { "--enable-preview"}, |
| options); |
| } |
| /* |
| * Switch multi-constant without break statement, reported |
| */ |
| public void testBug543240_11() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| options.put(CompilerOptions.OPTION_ReportMissingDefaultCase, CompilerOptions.WARNING); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " }\n" + |
| " public static void bar(int i) {\n" + |
| " switch (i) {\n" + |
| " case 1, 3: \n" + |
| " System.out.println(\"Odd\");\n" + |
| " case 2, 4: \n" + |
| " System.out.println(\"Even\");\n" + |
| " }\n" + |
| " }\n" + |
| "}", |
| }; |
| String expectedProblemLog = |
| "----------\n" + |
| "1. WARNING in X.java (at line 5)\n" + |
| " switch (i) {\n" + |
| " ^\n" + |
| "The switch statement should have a default case\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| new String[] { "--enable-preview"}, |
| options); |
| } |
| /* |
| * Switch multi-constant with duplicate int constants |
| */ |
| public void testBug543240_12() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " }\n" + |
| " public static void bar(int i) {\n" + |
| " switch (i) {\n" + |
| " case 1, 3: \n" + |
| " System.out.println(\"Odd\");\n" + |
| " case 3, 4: \n" + |
| " System.out.println(\"Odd\");\n" + |
| " }\n" + |
| " }\n" + |
| "}", |
| }; |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 8)\n" + |
| " case 3, 4: \n" + |
| " ^^^^^^^^^\n" + |
| "Duplicate case\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 8)\n" + |
| " case 3, 4: \n" + |
| " ^^^^^^^^^\n" + |
| "Duplicate case\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| options); |
| } |
| /* |
| * Switch multi-constant with duplicate String literals |
| */ |
| public void testBug543240_13() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " }\n" + |
| " public static void bar(String s) {\n" + |
| " switch (s) {\n" + |
| " case \"a\", \"b\": \n" + |
| " System.out.println(\"Odd\");\n" + |
| " case \"b\", \"c\": \n" + |
| " System.out.println(\"Odd\");\n" + |
| " }\n" + |
| " }\n" + |
| "}", |
| }; |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 8)\n" + |
| " case \"b\", \"c\": \n" + |
| " ^^^^^^^^^^^^^\n" + |
| "Duplicate case\n" + |
| "----------\n" + |
| "2. ERROR in X.java (at line 8)\n" + |
| " case \"b\", \"c\": \n" + |
| " ^^^^^^^^^^^^^\n" + |
| "Duplicate case\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| options); |
| } |
| /* |
| * Switch multi-constant with illegal qualified enum constant |
| */ |
| public void testBug543240_14() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " }\n" + |
| " public static void bar(Num s) {\n" + |
| " switch (s) {\n" + |
| " case ONE, Num.TWO: \n" + |
| " System.out.println(\"Odd\");\n" + |
| " }\n" + |
| " }\n" + |
| "}\n" + |
| "enum Num { ONE, TWO}\n", |
| }; |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 6)\n" + |
| " case ONE, Num.TWO: \n" + |
| " ^^^^^^^\n" + |
| "The qualified case label Num.TWO must be replaced with the unqualified enum constant TWO\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| options); |
| } |
| public void testBug543240_15() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public void bar(int s) {\n" + |
| " int j = switch (s) {\n" + |
| " case 1, 2, 3 -> (s+1);\n" + |
| " default -> j;\n" + |
| " };\n" + |
| " }\n" + |
| "}\n", |
| }; |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 5)\n" + |
| " default -> j;\n" + |
| " ^\n" + |
| "The local variable j may not have been initialized\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| options); |
| } |
| public void testBug543240_16() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static void main(String[] args) {\n" + |
| " }\n" + |
| " public void bar(int s) {\n" + |
| " int j = 0;" + |
| " j = switch (s) {\n" + |
| " case 1, 2, 3 -> (s+1);\n" + |
| " default -> j;\n" + |
| " };\n" + |
| " }\n" + |
| "}\n", |
| }; |
| this.runNegativeTest( |
| testFiles, |
| "", |
| null, |
| true, |
| new String[] { "--enable-preview"}, |
| options); |
| } |
| public void testBug543795_01() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "import java.io.IOException;\n" + |
| "\n" + |
| "public class X {\n" + |
| " public static int foo(int i) throws IOException {\n" + |
| " int t = switch (i) {\n" + |
| " case 0 : {\n" + |
| " break 0;\n" + |
| " }\n" + |
| " case 2 : {\n" + |
| " break;\n" + |
| " }\n" + |
| " default : break 10;\n" + |
| " };\n" + |
| " return t;\n" + |
| " }\n" + |
| " \n" + |
| " public boolean bar() {\n" + |
| " return true;\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " try {\n" + |
| " System.out.println(foo(3));\n" + |
| " } catch (IOException e) {\n" + |
| " // TODO Auto-generated catch block\n" + |
| " e.printStackTrace();\n" + |
| " }\n" + |
| " }\n" + |
| "}\n", |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 10)\n" + |
| " break;\n" + |
| " ^^^^^^\n" + |
| "Break of a switch expression should have a value\n" + |
| "----------\n"); |
| } |
| public void testBug543691() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " @SuppressWarnings(\"preview\")\n" + |
| " public static void bar(int i) {\n" + |
| " i = switch (i+0) {\n" + |
| " default: System.out.println(0);\n" + |
| " }; " + |
| " }\n" + |
| "}", |
| }; |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 4)\n" + |
| " i = switch (i+0) {\n" + |
| " default: System.out.println(0);\n" + |
| " }; }\n" + |
| " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + |
| "A switch expression should have at least one result expression\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| options); |
| } |
| public void testBug543799_1() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void test(int i) {\n" + |
| " need(switch (i) {\n" + |
| " case 1 -> \"\";\n" + |
| " default -> i == 3 ? null : \"\";\n" + |
| " }); \n" + |
| " }\n" + |
| " void need(String s) {\n" + |
| " System.out.println(s.toLowerCase());\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " new X().need(\"Hello World\");\n" + |
| " }\n" + |
| "}\n" |
| }; |
| String expectedOutput = "hello world"; |
| runConformTest(testFiles, expectedOutput, options); |
| } |
| public void testBug543799_2() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void test(int i) {\n" + |
| " need(switch (i) {\n" + |
| " case 1: break \"\";\n" + |
| " default: break i == 3 ? null : \"\";\n" + |
| " }); \n" + |
| " }\n" + |
| " void need(String s) {\n" + |
| " System.out.println(s.toLowerCase());\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " new X().need(\"Hello World\");\n" + |
| " }\n" + |
| "}\n" |
| }; |
| String expectedOutput = "hello world"; |
| runConformTest(testFiles, expectedOutput, options); |
| } |
| public void testBug543799_3() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "interface I0 { void i(); }\n" + |
| "interface I1 extends I0 {}\n" + |
| "interface I2 extends I0 {}\n" + |
| "public class X {\n" + |
| " I1 n1() { return null; }\n" + |
| " <I extends I2> I n2() { return null; }\n" + |
| " <M> M m(M m) { return m; }\n" + |
| " void test(int i, boolean b) {\n" + |
| " m(switch (i) {\n" + |
| " case 1 -> n1();\n" + |
| " default -> b ? n1() : n2();\n" + |
| " }).i(); \n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " try {\n" + |
| " new X().test(1, true);\n" + |
| " } catch (NullPointerException e) {\n" + |
| " System.out.println(\"NPE as expected\");\n" + |
| " }\n" + |
| " }\n" + |
| "}\n" |
| }; |
| String expectedOutput = "NPE as expected"; |
| runConformTest(testFiles, expectedOutput, options); |
| } |
| public void testBug543799_4() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "import java.util.function.Supplier;\n" + |
| "interface I0 { void i(); }\n" + |
| "interface I1 extends I0 {}\n" + |
| "interface I2 extends I0 {}\n" + |
| "public class X {\n" + |
| " I1 n1() { return null; }\n" + |
| " <I extends I2> I n2() { return null; }\n" + |
| " <M> M m(Supplier<M> m) { return m.get(); }\n" + |
| " void test(int i, boolean b) {\n" + |
| " m(switch (i) {\n" + |
| " case 1 -> this::n1;\n" + |
| " default -> this::n2;\n" + |
| " }).i(); \n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " try {\n" + |
| " new X().test(1, true);\n" + |
| " } catch (NullPointerException e) {\n" + |
| " System.out.println(\"NPE as expected\");\n" + |
| " }\n" + |
| " }\n" + |
| "}\n" |
| }; |
| String expectedOutput = "NPE as expected"; |
| runConformTest(testFiles, expectedOutput, options); |
| } |
| public void testBug543799_5() { |
| // require resolving/inferring of poly-switch-expression during ASTNode.resolvePolyExpressionArguments() |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " void test(int i) {\n" + |
| " need(switch (i) {\n" + |
| " case 1 -> 1.0f;\n" + |
| " default -> i == 3 ? 3 : 5.0d;\n" + |
| " }); \n" + |
| " }\n" + |
| " <N extends Number> void need(N s) {\n" + |
| " System.out.println(s.toString());\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " new X().need(3);\n" + |
| " }\n" + |
| "}\n" |
| }; |
| String expectedOutput = "3"; |
| runConformTest(testFiles, expectedOutput, options); |
| } |
| public void testSwitchStatementWithBreakExpression() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " static int twice(int i) throws Exception {\n" + |
| " switch (i) {\n" + |
| " case 0 -> System.out.println(\"hellow\");\n" + |
| " case 1 -> foo();\n" + |
| " default -> throw new Exception();\n" + |
| " };\n" + |
| " return 0;\n" + |
| " }\n" + |
| "\n" + |
| " static int foo() {\n" + |
| " System.out.println(\"inside foo\");\n" + |
| " return 1;\n" + |
| " }\n" + |
| "\n" + |
| " public static void main(String[] args) {\n" + |
| " try {\n" + |
| " System.out.print(twice(1));\n" + |
| " } catch (Exception e) {\n" + |
| " System.out.print(\"Got Exception\");\n" + |
| " }\n" + |
| " }\n" + |
| "}" |
| }, |
| "inside foo\n" |
| + "0", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testSwitchStatementWithEnumValues() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "enum SomeDays {\n" + |
| " Mon, Wed, Fri\n" + |
| "}\n" + |
| "\n" + |
| "public class X {\n" + |
| " int testEnum(boolean b) {\n" + |
| " SomeDays day = b ? SomeDays.Mon : null;\n" + |
| " return switch(day) {\n" + |
| " case Mon -> 1;\n" + |
| " case Wed -> 2;\n" + |
| " case Fri -> 3;\n" + |
| " };\n" + |
| " }\n" + |
| "\n" + |
| " public static void main(String[] args) {\n" + |
| " System.out.println(new X().testEnum(true));\n" + |
| " }\n" + |
| "}\n" + |
| "" |
| }, |
| "1", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug543967_01() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " static int foo(int i) {\n" + |
| " switch (i) {\n" + |
| " default -> 3; // should flag an error\n" + |
| " \n" + |
| " };\n" + |
| " return 0;\n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " foo(1);\n" + |
| " }\n" + |
| "}\n", |
| }; |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 4)\n" + |
| " default -> 3; // should flag an error\n" + |
| " ^\n" + |
| "Invalid expression as statement\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| new String[] { "--enable-preview"}, |
| options); |
| } |
| public void testBug544204() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public void foo(int i) {\n" + |
| " int j = switch (i) {\n" + |
| " case 1 -> i;\n" + |
| " default -> i;\n" + |
| " };\n" + |
| " System.out.println(j);\n" + |
| " }\n" + |
| " \n" + |
| " public static void main(String[] args) {\n" + |
| " new X().foo(1);\n" + |
| " }\n" + |
| "}" |
| }, |
| "1", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544204_2() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public void foo(int i) {\n" + |
| " long j = switch (i) {\n" + |
| " case 1 -> 10L;\n" + |
| " default -> 20L;\n" + |
| " };\n" + |
| " System.out.println(j);\n" + |
| " }\n" + |
| " \n" + |
| " public static void main(String[] args) {\n" + |
| " new X().foo(1);\n" + |
| " }\n" + |
| "}" |
| }, |
| "10", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544223() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public int foo(String s) throws Exception {\n" + |
| " int i = switch (s) {\n" + |
| " case \"hello\" -> 1;\n" + |
| " default -> throw new Exception();\n" + |
| " };\n" + |
| " return i;\n" + |
| " }\n" + |
| "\n" + |
| " public static void main(String[] argv) {\n" + |
| " try {\n" + |
| " System.out.print(new X().foo(\"hello\"));\n" + |
| " } catch (Exception e) {\n" + |
| " //\n" + |
| " }\n" + |
| " }\n" + |
| "}" |
| }, |
| "1", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544258_01() { |
| this.runNegativeTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public void foo(Day day) {\n" + |
| " var today = 1;\n" + |
| " today = switch (day) {\n" + |
| " case SATURDAY,SUNDAY :\n" + |
| " today=1;\n" + |
| " break today;\n" + |
| " case MONDAY,TUESDAY,WEDNESDAY,THURSDAY :\n" + |
| " today=2;\n" + |
| " break today;\n" + |
| " };\n" + |
| " }\n" + |
| " public static void main(String argv[]) {\n" + |
| " new X().foo(Day.FRIDAY);\n" + |
| " }\n" + |
| "}\n" + |
| "\n" + |
| "enum Day {\n" + |
| " SUNDAY,\n" + |
| " MONDAY,\n" + |
| " TUESDAY,\n" + |
| " WEDNESDAY,\n" + |
| " THURSDAY,\n" + |
| " FRIDAY,\n" + |
| " SATURDAY\n" + |
| "}\n", |
| }, |
| "----------\n" + |
| "1. ERROR in X.java (at line 4)\n" + |
| " today = switch (day) {\n" + |
| " ^^^\n" + |
| "A Switch expression should cover all possible values\n" + |
| "----------\n"); |
| } |
| public void testBug544253() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public void foo(int i ) {\n" + |
| " boolean b = switch (i) {\n" + |
| " case 0 -> i == 1;\n" + |
| " default -> true;\n" + |
| " };\n" + |
| " System.out.println( b ? \" true\" : \"false\");\n" + |
| " }\n" + |
| " public static void main(String[] argv) {\n" + |
| " new X().foo(0);\n" + |
| " }\n" + |
| "}" |
| }, |
| "false", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544254() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public void foo(String s) {\n" + |
| " try {\n" + |
| " int i = switch (s) {\n" + |
| " case \"hello\" -> 0;\n" + |
| " default -> 2;\n" + |
| " };\n" + |
| " } finally {\n" + |
| " System.out.println(s);\n" + |
| " }\n" + |
| " }\n" + |
| " public static void main(String argv[]) {\n" + |
| " new X().foo(\"hello\");\n" + |
| " }\n" + |
| "}" |
| }, |
| "hello", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544254_2() { |
| Map<String, String> customOptions = getCompilerOptions(); |
| customOptions.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT); |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public void foo(String s) {\n" + |
| " try {\n" + |
| " int i = switch (s) {\n" + |
| " case \"hello\" -> 0;\n" + |
| " default -> 2;\n" + |
| " };\n" + |
| " } finally {\n" + |
| " System.out.println(s);\n" + |
| " }\n" + |
| " }\n" + |
| " public static void main(String argv[]) {\n" + |
| " new X().foo(\"hello\");\n" + |
| " }\n" + |
| "}" |
| }, |
| "hello", |
| customOptions, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544254_3() { |
| Map<String, String> customOptions = getCompilerOptions(); |
| customOptions.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT); |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public void foo(String s) {\n" + |
| " try {\n" + |
| " long l = switch (s) {\n" + |
| " case \"hello\" -> 0;\n" + |
| " default -> 2;\n" + |
| " };\n" + |
| " } finally {\n" + |
| " System.out.println(s);\n" + |
| " }\n" + |
| " }\n" + |
| " public static void main(String argv[]) {\n" + |
| " new X().foo(\"hello\");\n" + |
| " }\n" + |
| "}" |
| }, |
| "hello", |
| customOptions, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544224_1() { |
| Map<String, String> customOptions = getCompilerOptions(); |
| customOptions.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT); |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public int foo(int i) {\n" + |
| " int j = (switch (i) {\n" + |
| " case 1 -> 1;\n" + |
| " default -> 2;\n" + |
| " });\n" + |
| " return j;\n" + |
| " }\n" + |
| " public static void main(String[] argv) {\n" + |
| " new X().foo(1);\n" + |
| " }\n" + |
| "}\n" |
| }, |
| "", |
| customOptions, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544298() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " enum MyEnum {\n" + |
| " FIRST;\n" + |
| " }\n" + |
| "\n" + |
| " public void foo(MyEnum myEnum) {\n" + |
| " int i = switch (myEnum) {\n" + |
| " case FIRST -> 1;\n" + |
| " };\n" + |
| " System.out.println( \"i:\" + i);\n" + |
| " }\n" + |
| "\n" + |
| " public static void main(String argv[]) {\n" + |
| " new X().foo(MyEnum.FIRST);\n" + |
| " }\n" + |
| "}" |
| }, |
| "i:1", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544298_2() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " enum MyEnum {\n" + |
| " FIRST;\n" + |
| " }\n" + |
| "\n" + |
| " public void foo(MyEnum myEnum) {\n" + |
| " int i = switch (myEnum) {\n" + |
| " case FIRST -> 1;\n" + |
| " default -> 0;\n" + |
| " };\n" + |
| " System.out.println( \"i:\" + i);\n" + |
| " }\n" + |
| "\n" + |
| " public static void main(String argv[]) {\n" + |
| " new X().foo(MyEnum.FIRST);\n" + |
| " }\n" + |
| "}" |
| }, |
| "i:1", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544428_01() { |
| Map<String, String> options = getCompilerOptions(); |
| options.put(CompilerOptions.OPTION_EnablePreviews, CompilerOptions.ENABLED); |
| options.put(CompilerOptions.OPTION_ReportPreviewFeatures, CompilerOptions.IGNORE); |
| String[] testFiles = new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public int foo(int i) {\n" + |
| " var v = switch(i) {\n" + |
| " case 0 -> x;\n" + |
| " default -> 1;\n" + |
| " };\n" + |
| " return v;\n" + |
| " }\n" + |
| " public static void main(String[] argv) {\n" + |
| " System.out.println(new X().foo(0));\n" + |
| " }\n" + |
| "}", |
| }; |
| String expectedProblemLog = |
| "----------\n" + |
| "1. ERROR in X.java (at line 4)\n" + |
| " case 0 -> x;\n" + |
| " ^\n" + |
| "x cannot be resolved to a variable\n" + |
| "----------\n"; |
| this.runNegativeTest( |
| testFiles, |
| expectedProblemLog, |
| null, |
| true, |
| new String[] { "--enable-preview"}, |
| options); |
| } |
| public void testBug544523_01() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " @SuppressWarnings(\"preview\")\n" + |
| " public int foo(int i) {\n" + |
| " int v = switch(i) {\n" + |
| " case 0 -> switch(i) {\n" + |
| " case 0 -> 0;\n" + |
| " default -> 1;\n" + |
| " };\n" + |
| " default -> 1;\n" + |
| " };\n" + |
| " return v;\n" + |
| " }\n" + |
| " public static void main(String[] argv) {\n" + |
| " System.out.println(new X().foo(0));\n" + |
| " }\n" + |
| "}" |
| }, |
| "0", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544560_01() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public int foo(int i) {\n" + |
| " @SuppressWarnings(\"preview\")\n" + |
| " int v = switch(switch(i) {\n" + |
| " default -> 1;\n" + |
| " }) {\n" + |
| " default -> 1;\n" + |
| " };\n" + |
| " return v;\n" + |
| " }\n" + |
| "\n" + |
| " public static void main(String[] argv) {\n" + |
| " System.out.println(new X().foo(0));\n" + |
| " }\n" + |
| "}\n" |
| }, |
| "1", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544458() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static int foo(int i) {\n" + |
| " boolean v = switch (i) {\n" + |
| " case 1: i = 10; break true;\n" + |
| " default: break false;\n" + |
| " };\n" + |
| " return v ? 0 : 1;\n" + |
| " }\n" + |
| " public static void main(String[] argv) {\n" + |
| " System.out.println(X.foo(0));\n" + |
| " }\n" + |
| "}" |
| }, |
| "1", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544458_2() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static int foo(int i) {\n" + |
| " boolean v = switch (i) {\n" + |
| " case 1: i++; break true;\n" + |
| " default: break false;\n" + |
| " };\n" + |
| " return v ? 0 : 1;\n" + |
| " }\n" + |
| " public static void main(String[] argv) {\n" + |
| " System.out.println(X.foo(1));\n" + |
| " }\n" + |
| "}" |
| }, |
| "0", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544458_3() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static int foo(int i) {\n" + |
| " boolean v = switch (i) {\n" + |
| " case 1: i+= 10; break true;\n" + |
| " default: break false;\n" + |
| " };\n" + |
| " return v ? 0 : 1;\n" + |
| " }\n" + |
| " public static void main(String[] argv) {\n" + |
| " System.out.println(X.foo(1));\n" + |
| " }\n" + |
| "}" |
| }, |
| "0", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544458_4() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static int foo(int i) {\n" + |
| " boolean v = switch (i) {\n" + |
| " case 1: switch(i) {case 4: break;}; break true;\n" + |
| " default: break false;\n" + |
| " };\n" + |
| " return v ? 0 : 1;\n" + |
| " }\n" + |
| " public static void main(String[] argv) {\n" + |
| " System.out.println(X.foo(1));\n" + |
| " }\n" + |
| "}" |
| }, |
| "0", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544458_5() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public static int foo(int i) {\n" + |
| " boolean v = switch (i) {\n" + |
| " case 1: foo(5); break true;\n" + |
| " default: break false;\n" + |
| " };\n" + |
| " return v ? 0 : 1;\n" + |
| " }\n" + |
| " public static void main(String[] argv) {\n" + |
| " System.out.println(X.foo(1));\n" + |
| " }\n" + |
| "}" |
| }, |
| "0", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544601_1() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public int foo(int i) {\n" + |
| " @SuppressWarnings(\"preview\")\n" + |
| " boolean v = switch (i) {\n" + |
| " case 1:\n" + |
| " switch (i) {\n" + |
| " case 1 : i = 10;\n" + |
| " break;\n" + |
| " default :\n" + |
| " i = 2;\n" + |
| " break;\n" + |
| " }\n" + |
| " break true;\n" + |
| " default: break false;\n" + |
| " };\n" + |
| " return v ? 0 : 1;\n" + |
| " }\n" + |
| "\n" + |
| " public static void main(String[] argv) {\n" + |
| " System.out.println(new X().foo(0));\n" + |
| " }\n" + |
| "}\n" |
| }, |
| "1", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544556() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " public int foo(int i) {\n" + |
| " @SuppressWarnings(\"preview\")\n" + |
| " int v =\n" + |
| " switch(switch(i) {\n" + |
| " case 0 -> { break 2; }\n" + |
| " default -> { break 3; }\n" + |
| " }) {\n" + |
| " case 0 -> { break 0; }\n" + |
| " default -> { break 1; }\n" + |
| " };\n" + |
| " return v == 1 ? v : 0;\n" + |
| " }\n" + |
| " public static void main(String[] argv) {\n" + |
| " System.out.println(new X().foo(0));\n" + |
| " }\n" + |
| "}" |
| }, |
| "1", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug544702_01() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " @SuppressWarnings(\"preview\")\n" + |
| " public int foo(int i) {\n" + |
| " int k = 10;\n" + |
| " switch (i) {\n" + |
| " case 0 -> { k = 0;}\n" + |
| " default -> k = -1;\n" + |
| " }\n" + |
| " return k;\n" + |
| " }\n" + |
| " public static void main(String[] argv) {\n" + |
| " System.out.println(new X().foo(0) == 0 ? \"Success\" : \"Failure\");\n" + |
| " }\n" + |
| "\n" + |
| "}\n" |
| }, |
| "Success", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug545168_01() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " @SuppressWarnings(\"preview\")\n" + |
| " public static void foo(Day day) {\n" + |
| " switch (day) {\n" + |
| " case MONDAY, FRIDAY -> System.out.println(Day.SUNDAY);\n" + |
| " case TUESDAY -> System.out.println(7);\n" + |
| " case THURSDAY, SATURDAY -> System.out.println(8);\n" + |
| " case WEDNESDAY -> System.out.println(9);\n" + |
| " default -> {}\n" + |
| " } \n" + |
| " }\n" + |
| " public static void main(String[] args) {\n" + |
| " X.foo(Day.WEDNESDAY);\n" + |
| " }\n" + |
| "}\n" + |
| "\n" + |
| "enum Day {\n" + |
| " MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY;\n" + |
| "}\n" |
| }, |
| "9", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| public void testBug545255_01() { |
| runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n"+ |
| " public static void foo (int i) {\n"+ |
| " int v = switch (i) {\n"+ |
| " case 60, 600: break 6;\n"+ |
| " case 70: break 7;\n"+ |
| " case 80: break 8;\n"+ |
| " case 90, 900: break 9;\n"+ |
| " default: break 0;\n"+ |
| " };\n"+ |
| " System.out.println(v);\n"+ |
| " }\n"+ |
| " public static void main(String[] args) {\n"+ |
| " X.foo(10);\n"+ |
| " }\n"+ |
| "}\n" |
| }, |
| "0", |
| null, |
| new String[] {"--enable-preview"}); |
| } |
| } |