| /******************************************************************************* |
| * Copyright (c) 2011, 2020 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.text.tests; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| |
| import java.util.Arrays; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import org.eclipse.jdt.testplugin.JavaProjectHelper; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.dom.ASTParser; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| |
| import org.eclipse.jdt.internal.core.manipulation.search.IOccurrencesFinder; |
| import org.eclipse.jdt.internal.core.manipulation.search.IOccurrencesFinder.OccurrenceLocation; |
| import org.eclipse.jdt.internal.corext.dom.IASTSharedValues; |
| |
| import org.eclipse.jdt.ui.PreferenceConstants; |
| import org.eclipse.jdt.ui.tests.core.rules.Java1d8ProjectTestSetup; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.search.ExceptionOccurrencesFinder; |
| import org.eclipse.jdt.internal.ui.search.MethodExitsFinder; |
| |
| /** |
| * Those tests are made to run on Java Spider 1.8 . |
| */ |
| public class MarkOccurrenceTest1d8 { |
| @Rule |
| public Java1d8ProjectTestSetup f18p= new Java1d8ProjectTestSetup(); |
| |
| private ASTParser fParser; |
| |
| private IOccurrencesFinder fFinder; |
| |
| private IJavaProject fJProject1; |
| |
| private IPackageFragmentRoot fSourceFolder; |
| |
| @Before |
| public void setUp() throws Exception { |
| fParser= ASTParser.newParser(IASTSharedValues.SHARED_AST_LEVEL); |
| |
| fJProject1= f18p.getProject(); |
| fSourceFolder= JavaProjectHelper.addSourceContainer(fJProject1, "src"); |
| JavaPlugin.getDefault().getPreferenceStore().setValue(PreferenceConstants.EDITOR_MARK_OCCURRENCES, true); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| JavaProjectHelper.clear(fJProject1, f18p.getDefaultClasspath()); |
| } |
| |
| private OccurrenceLocation[] getHighlights(String source, int offset, int length) throws Exception { |
| CompilationUnit root= createCompilationUnit(source); |
| String errorString= fFinder.initialize(root, offset, length); |
| assertNull(errorString, errorString); |
| return fFinder.getOccurrences(); |
| } |
| |
| private CompilationUnit createCompilationUnit(String source) throws JavaModelException { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", source, true, null); |
| fParser.setSource(cu); |
| fParser.setResolveBindings(true); |
| return (CompilationUnit)fParser.createAST(null); |
| } |
| |
| private void checkSelection(String s, int offset, int length, OccurrenceLocation[] expected) throws Exception { |
| OccurrenceLocation[] selectedNodes= getHighlights(s, offset, length); |
| assertEquals("number of selections", expected.length, selectedNodes.length); |
| sortByStartIndex(selectedNodes); |
| sortByStartIndex(expected); |
| for (int i= 0; i < selectedNodes.length; i++) { |
| assertEquals(expected[i].getOffset(), selectedNodes[i].getOffset()); |
| assertEquals(expected[i].getLength(), selectedNodes[i].getLength()); |
| } |
| } |
| |
| private void sortByStartIndex(OccurrenceLocation[] OccurrenceLocations) { |
| Arrays.sort(OccurrenceLocations, (node0, node1) -> node0.getOffset() - node1.getOffset()); |
| } |
| |
| //pattern must be found - otherwise it's assumed to be an error |
| private OccurrenceLocation find(String s, String pattern, int ithOccurrence) { |
| if (ithOccurrence < 1) |
| throw new IllegalStateException("ithOccurrence = " + ithOccurrence); |
| return find(s, pattern, ithOccurrence, 0); |
| } |
| |
| private OccurrenceLocation find(String s, String pattern, int ithOccurrence, int startIdx) { |
| if (startIdx < 0 || startIdx > s.length()) |
| throw new IllegalStateException("startIdx = " + startIdx); |
| int idx= s.indexOf(pattern, startIdx); |
| if (idx == -1) |
| throw new IllegalStateException("not found \"" + pattern + "\" in \"" + s.substring(startIdx)); |
| if (ithOccurrence == 1) |
| return new OccurrenceLocation(idx, pattern.length(), 0, ""); |
| return find(s, pattern, ithOccurrence - 1, idx + 1); |
| } |
| |
| @Test |
| public void testThrowingAnnotatedException1() throws Exception { |
| String s= "" + |
| "package test1;\n" + |
| "import java.lang.annotation.Documented;\n" + |
| "import java.lang.annotation.ElementType;\n" + |
| "import java.lang.annotation.Retention;\n" + |
| "import java.lang.annotation.RetentionPolicy;\n" + |
| "import java.lang.annotation.Target;\n" + |
| "\n" + |
| "public class E {\n" + |
| " @Target(ElementType.TYPE_USE)\n" + |
| " @Retention(RetentionPolicy.RUNTIME)\n" + |
| " @Documented\n" + |
| " static @interface Critical {\n" + |
| " String msg() default \"We're all going to die!\";\n" + |
| " }\n" + |
| "\n" + |
| " class InnerException extends Exception {\n" + |
| " private static final long serialVersionUID = 1L;\n" + |
| " }\n" + |
| "\n" + |
| " /**\n" + |
| " * @throws E.InnerException\n" + |
| " */\n" + |
| " void foo() throws @Critical() E.@Critical() InnerException, IllegalArgumentException {\n" + |
| " if (Boolean.TRUE)\n" + |
| " throw new @Critical() InnerException();\n" + |
| " else\n" + |
| " throw new @Critical() E.@Critical() InnerException();\n" + |
| " }\n" + |
| "\n" + |
| " void tryCatch() {\n" + |
| " try {\n" + |
| " foo();\n" + |
| " } catch (@Critical() E.@Critical() InnerException e) {\n" + |
| " } catch (RuntimeException e) {\n" + |
| " }\n" + |
| " try {\n" + |
| " foo();\n" + |
| " } catch (RuntimeException | @Critical(msg=\"He\"+\"llo\") E.@Critical() InnerException e) {\n" + |
| " }\n" + |
| " }\n" + |
| "}\n"; |
| |
| fFinder= new ExceptionOccurrencesFinder(); |
| int offset= 8 + s.indexOf("@throws E.InnerException"); // in Javadoc |
| int length= 0; |
| OccurrenceLocation[] ranges= { find(s, "E.InnerException", 1), find(s, "@Critical() E.@Critical() InnerException", 1), |
| find(s, "throw", 3), find(s, "throw", 4) }; |
| checkSelection(s, offset, length, ranges); |
| |
| fFinder= new ExceptionOccurrencesFinder(); |
| offset= 1 + s.indexOf("@Critical() E.@Critical() InnerException"); // in annotation |
| length= 0; |
| checkSelection(s, offset, length, ranges); |
| |
| fFinder= new ExceptionOccurrencesFinder(); |
| offset= s.indexOf("E.@Critical() InnerException"); // in annotated type qualifier |
| length= 1; |
| checkSelection(s, offset, length, ranges); |
| |
| fFinder= new ExceptionOccurrencesFinder(); |
| offset= 1 + s.indexOf("InnerException e)"); // in annotated catch type (does NOT include modifier "@Critical() "!) |
| length= 0; |
| ranges= new OccurrenceLocation[] { find(s, "foo", 2), find(s, "E.@Critical() InnerException", 3)}; |
| checkSelection(s, offset, length, ranges); |
| |
| fFinder= new ExceptionOccurrencesFinder(); |
| offset= s.indexOf("RuntimeException |"); // in annotated union type |
| length= 0; |
| ranges= new OccurrenceLocation[] { find(s, "foo", 3), find(s, "RuntimeException", 2)}; |
| checkSelection(s, offset, length, ranges); |
| |
| fFinder= new ExceptionOccurrencesFinder(); |
| offset= s.indexOf("He"); // in annotation expression |
| length= 0; |
| ranges= new OccurrenceLocation[] { find(s, "foo", 3), find(s, "@Critical(msg=\"He\"+\"llo\") E.@Critical() InnerException", 1)}; |
| checkSelection(s, offset, length, ranges); |
| } |
| |
| @Test |
| public void testThrownExceptionInLambda() throws Exception { |
| String s= "" + |
| "package test1;\n" + |
| "\n" + |
| "import java.io.IOException;\n" + |
| "\n" + |
| "public class E {\n" + |
| " void test(int i) throws IOException {\n" + |
| " if (i == 0) {\n" + |
| " throw new IOException();\n" + |
| " } else {\n" + |
| " FI fi = () -> { throw new IOException(); };\n" + |
| " }\n" + |
| " }\n" + |
| "}\n" + |
| "\n" + |
| "@FunctionalInterface\n" + |
| "interface FI {\n" + |
| " void foo() throws IOException;\n" + |
| "}\n"; |
| |
| fFinder= new ExceptionOccurrencesFinder(); |
| int offset= s.indexOf("IOException {"); |
| int length= 0; |
| OccurrenceLocation[] ranges= { find(s, "IOException", 2), find(s, "throw", 2) }; |
| checkSelection(s, offset, length, ranges); |
| } |
| |
| @Test |
| public void testTryCatchInLambda() throws Exception { |
| String s= "" + |
| "package test1;\n" + |
| "\n" + |
| "import java.io.FileInputStream;\n" + |
| "import java.io.FileNotFoundException;\n" + |
| "\n" + |
| "public class E {\n" + |
| " Runnable lambda = () -> {\n" + |
| " try {\n" + |
| " new FileInputStream(\"dummy\");\n" + |
| " } catch (FileNotFoundException e) {\n" + |
| " }\n" + |
| " };\n" + |
| "}\n"; |
| |
| fFinder= new ExceptionOccurrencesFinder(); |
| int offset= s.indexOf("FileNotFoundException e"); |
| int length= 0; |
| OccurrenceLocation[] ranges= { find(s, "FileInputStream", 2), find(s, "FileNotFoundException", 2) }; |
| checkSelection(s, offset, length, ranges); |
| } |
| |
| @Test |
| public void testMarkMethodExitsBug565387() throws Exception { |
| fFinder= new MethodExitsFinder(); |
| String s= "" + |
| "import java.util.function.Function;\n\n" + |
| "public class TestClass {\n" + |
| " String foo() {\n" + |
| " Function<Object,Object> f = o -> {\n" + |
| " return o;\n" + |
| " };\n" + |
| " return null;\n" + |
| " }\n" + |
| "}\n"; |
| |
| int offset= 1 + s.indexOf("String");//middle of word |
| int length= 0; |
| OccurrenceLocation[] ranges= { find(s, "String", 1), find(s, "return null;", 1) }; |
| checkSelection(s, offset, length, ranges); |
| } |
| } |