org.eclipse.jdt.text.tests/src/org/eclipse/jdt/text/tests/MarkOccurrenceTest18.java - jdt/eclipse.jdt.ui - Git at Google

 /*******************************************************************************
  * 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 junit.framework.Test;
 import junit.framework.TestCase;
 import junit.framework.TestSuite;

 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;

 public class MarkOccurrenceTest18 extends TestCase {
 	private static final Class 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()
 	 */
 	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);
 	}

 	/* (non-Javadoc)
 	 * @see junit.framework.TestCase#tearDown()
 	 */
 	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() {
 			public int compare(Object arg0, Object arg1) {
 				OccurrenceLocation node0= (OccurrenceLocation)arg0;
 				OccurrenceLocation node1= (OccurrenceLocation)arg1;
 				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);
 	}

 }
	/*******************************************************************************
	* 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 junit.framework.Test;
	import junit.framework.TestCase;
	import junit.framework.TestSuite;

	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;

	public class MarkOccurrenceTest18 extends TestCase {
	private static final Class 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()
	*/
	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);
	}

	/* (non-Javadoc)
	* @see junit.framework.TestCase#tearDown()
	*/
	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() {
	public int compare(Object arg0, Object arg1) {
	OccurrenceLocation node0= (OccurrenceLocation)arg0;
	OccurrenceLocation node1= (OccurrenceLocation)arg1;
	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);
	}

	}