| /******************************************************************************* |
| * Copyright (c) 2011, 2015 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 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.text.tests; |
| |
| import java.util.Arrays; |
| import java.util.Comparator; |
| |
| 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.ui.PreferenceConstants; |
| import org.eclipse.jdt.ui.tests.core.Java18ProjectTestSetup; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.javaeditor.ASTProvider; |
| import org.eclipse.jdt.internal.ui.search.ExceptionOccurrencesFinder; |
| import org.eclipse.jdt.internal.ui.search.IOccurrencesFinder; |
| import org.eclipse.jdt.internal.ui.search.IOccurrencesFinder.OccurrenceLocation; |
| |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| import junit.framework.TestSuite; |
| |
| public class MarkOccurrenceTest18 extends TestCase { |
| private static final Class<MarkOccurrenceTest18> THIS= MarkOccurrenceTest18.class; |
| |
| public static Test suite() { |
| return new Java18ProjectTestSetup(new TestSuite(THIS)); |
| } |
| |
| public static Test setUpTest(Test test) { |
| return new Java18ProjectTestSetup(test); |
| } |
| |
| private ASTParser fParser; |
| |
| private IOccurrencesFinder fFinder; |
| |
| private IJavaProject fJProject1; |
| |
| private IPackageFragmentRoot fSourceFolder; |
| |
| /* |
| * @see junit.framework.TestCase#setUp() |
| */ |
| @Override |
| protected void setUp() throws Exception { |
| fParser= ASTParser.newParser(ASTProvider.SHARED_AST_LEVEL); |
| |
| fJProject1= Java18ProjectTestSetup.getProject(); |
| fSourceFolder= JavaProjectHelper.addSourceContainer(fJProject1, "src"); |
| JavaPlugin.getDefault().getPreferenceStore().setValue(PreferenceConstants.EDITOR_MARK_OCCURRENCES, true); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| JavaProjectHelper.clear(fJProject1, Java18ProjectTestSetup.getDefaultClasspath()); |
| } |
| |
| private OccurrenceLocation[] getHighlights(StringBuffer 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(StringBuffer source) throws JavaModelException { |
| IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null); |
| ICompilationUnit cu= pack1.createCompilationUnit("E.java", source.toString(), true, null); |
| fParser.setSource(cu); |
| fParser.setResolveBindings(true); |
| return (CompilationUnit)fParser.createAST(null); |
| } |
| |
| private void checkSelection(StringBuffer 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, new Comparator<OccurrenceLocation>() { |
| @Override |
| public int compare(OccurrenceLocation node0, OccurrenceLocation node1) { |
| return node0.getOffset() - node1.getOffset(); |
| } |
| }); |
| } |
| |
| //pattern must be found - otherwise it's assumed to be an error |
| private OccurrenceLocation find(StringBuffer s, String pattern, int ithOccurrence) { |
| if (ithOccurrence < 1) |
| throw new IllegalStateException("ithOccurrence = " + ithOccurrence); |
| return find(s, pattern, ithOccurrence, 0); |
| } |
| |
| private OccurrenceLocation find(StringBuffer 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); |
| } |
| |
| public void testThrowingAnnotatedException1() throws Exception { |
| StringBuffer s= new StringBuffer(); |
| s.append("package test1;\n"); |
| s.append("import java.lang.annotation.Documented;\n"); |
| s.append("import java.lang.annotation.ElementType;\n"); |
| s.append("import java.lang.annotation.Retention;\n"); |
| s.append("import java.lang.annotation.RetentionPolicy;\n"); |
| s.append("import java.lang.annotation.Target;\n"); |
| s.append("\n"); |
| s.append("public class E {\n"); |
| s.append(" @Target(ElementType.TYPE_USE)\n"); |
| s.append(" @Retention(RetentionPolicy.RUNTIME)\n"); |
| s.append(" @Documented\n"); |
| s.append(" static @interface Critical {\n"); |
| s.append(" String msg() default \"We're all going to die!\";\n"); |
| s.append(" }\n"); |
| s.append("\n"); |
| s.append(" class InnerException extends Exception {\n"); |
| s.append(" private static final long serialVersionUID = 1L;\n"); |
| s.append(" }\n"); |
| s.append("\n"); |
| s.append(" /**\n"); |
| s.append(" * @throws E.InnerException\n"); |
| s.append(" */\n"); |
| s.append(" void foo() throws @Critical() E.@Critical() InnerException, IllegalArgumentException {\n"); |
| s.append(" if (Boolean.TRUE)\n"); |
| s.append(" throw new @Critical() InnerException();\n"); |
| s.append(" else\n"); |
| s.append(" throw new @Critical() E.@Critical() InnerException();\n"); |
| s.append(" }\n"); |
| s.append("\n"); |
| s.append(" void tryCatch() {\n"); |
| s.append(" try {\n"); |
| s.append(" foo();\n"); |
| s.append(" } catch (@Critical() E.@Critical() InnerException e) {\n"); |
| s.append(" } catch (RuntimeException e) {\n"); |
| s.append(" }\n"); |
| s.append(" try {\n"); |
| s.append(" foo();\n"); |
| s.append(" } catch (RuntimeException | @Critical(msg=\"He\"+\"llo\") E.@Critical() InnerException e) {\n"); |
| s.append(" }\n"); |
| s.append(" }\n"); |
| s.append("}\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); |
| } |
| |
| public void testThrownExceptionInLambda() throws Exception { |
| StringBuffer buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("\n"); |
| buf.append("import java.io.IOException;\n"); |
| buf.append("\n"); |
| buf.append("public class E {\n"); |
| buf.append(" void test(int i) throws IOException {\n"); |
| buf.append(" if (i == 0) {\n"); |
| buf.append(" throw new IOException();\n"); |
| buf.append(" } else {\n"); |
| buf.append(" FI fi = () -> { throw new IOException(); };\n"); |
| buf.append(" }\n"); |
| buf.append(" }\n"); |
| buf.append("}\n"); |
| buf.append("\n"); |
| buf.append("@FunctionalInterface\n"); |
| buf.append("interface FI {\n"); |
| buf.append(" void foo() throws IOException;\n"); |
| buf.append("}\n"); |
| |
| fFinder= new ExceptionOccurrencesFinder(); |
| int offset= buf.indexOf("IOException {"); |
| int length= 0; |
| OccurrenceLocation[] ranges= { find(buf, "IOException", 2), find(buf, "throw", 2) }; |
| checkSelection(buf, offset, length, ranges); |
| } |
| |
| public void testTryCatchInLambda() throws Exception { |
| StringBuffer buf= new StringBuffer(); |
| buf.append("package test1;\n"); |
| buf.append("\n"); |
| buf.append("import java.io.FileInputStream;\n"); |
| buf.append("import java.io.FileNotFoundException;\n"); |
| buf.append("\n"); |
| buf.append("public class E {\n"); |
| buf.append(" Runnable lambda = () -> {\n"); |
| buf.append(" try {\n"); |
| buf.append(" new FileInputStream(\"dummy\");\n"); |
| buf.append(" } catch (FileNotFoundException e) {\n"); |
| buf.append(" }\n"); |
| buf.append(" };\n"); |
| buf.append("}\n"); |
| |
| fFinder= new ExceptionOccurrencesFinder(); |
| int offset= buf.indexOf("FileNotFoundException e"); |
| int length= 0; |
| OccurrenceLocation[] ranges= { find(buf, "FileInputStream", 2), find(buf, "FileNotFoundException", 2) }; |
| checkSelection(buf, offset, length, ranges); |
| } |
| |
| } |