org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/model/NameLookupTests2.java - jdt/eclipse.jdt.core - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2004 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.core.tests.model;

 import java.util.ArrayList;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.jdt.core.*;
 import org.eclipse.jdt.core.IClasspathEntry;
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.core.IPackageFragment;
 import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.internal.core.IJavaElementRequestor;
 import org.eclipse.jdt.internal.core.JavaProject;
 import org.eclipse.jdt.internal.core.NameLookup;

 import junit.framework.Test;

 /**
  * These test ensure that modifications in Java projects are correctly reported as
  * IJavaEllementDeltas.
  */
 public class NameLookupTests2 extends ModifyingResourceTests {

 public NameLookupTests2(String name) {
 	super(name);
 }

 public static Test suite() {
 	return new Suite(NameLookupTests2.class);
 }
 private NameLookup getNameLookup(JavaProject project) throws JavaModelException {
 	return project.newNameLookup((WorkingCopyOwner)null);
 }
 public void testAddPackageFragmentRootAndPackageFrament() throws CoreException {
 	try {
 		IJavaProject p1 = createJavaProject("P1", new String[] {"src1"}, "bin");
 		IJavaProject p2 = createJavaProject("P2", new String[] {}, "");
 		IClasspathEntry[] classpath =
 			new IClasspathEntry[] {
 				JavaCore.newProjectEntry(new Path("/P1"))
 			};
 		p2.setRawClasspath(classpath, null);

 		IPackageFragment[] res = getNameLookup((JavaProject)p2).findPackageFragments("p1", false);
 		assertTrue("Should get no package fragment", res == null);

 		IClasspathEntry[] classpath2 =
 			new IClasspathEntry[] {
 				JavaCore.newSourceEntry(new Path("/P1/src1")),
 				JavaCore.newSourceEntry(new Path("/P1/src2"))
 			};
 		p1.setRawClasspath(classpath2, null);
 		createFolder("/P1/src2/p1");

 		res = getNameLookup((JavaProject)p2).findPackageFragments("p1", false);
 		assertTrue(
 			"Should get 'p1' package fragment",
 			res != null &&
 			res.length == 1 &&
 			res[0].getElementName().equals("p1"));

 	} finally {
 		deleteProject("P1");
 		deleteProject("P2");
 	}
 }
 public void testAddPackageFragment() throws CoreException {
 	try {
 		createJavaProject("P1", new String[] {"src1"}, "bin");
 		IJavaProject p2 = createJavaProject("P2", new String[] {}, "");
 		IClasspathEntry[] classpath =
 			new IClasspathEntry[] {
 				JavaCore.newProjectEntry(new Path("/P1"))
 			};
 		p2.setRawClasspath(classpath, null);

 		IPackageFragment[] res = getNameLookup((JavaProject)p2).findPackageFragments("p1", false);
 		assertTrue("Should get no package fragment", res == null);

 		createFolder("/P1/src1/p1");

 		res = getNameLookup((JavaProject)p2).findPackageFragments("p1", false);
 		assertTrue(
 			"Should get 'p1' package fragment",
 			res != null &&
 			res.length == 1 &&
 			res[0].getElementName().equals("p1"));

 	} finally {
 		deleteProject("P1");
 		deleteProject("P2");
 	}
 }
 /*
  * Resolve, add pkg, resolve again: new pkg should be accessible
  * (regression test for bug 37962 Unexpected transient problem during reconcile
  */
 public void testAddPackageFragment2() throws CoreException {
 	try {
 		JavaProject project = (JavaProject)createJavaProject("P", new String[] {"src"}, "bin");
 		createFolder("/P/src/p1");

 		IPackageFragment[] pkgs = getNameLookup(project).findPackageFragments("p1", false);
 		assertElementsEqual(
 			"Didn't find p1",
 			"p1 [in src [in P]]",
 			pkgs);

 		createFolder("/P/src/p2");

 		pkgs = getNameLookup(project).findPackageFragments("p2", false);
 		assertElementsEqual(
 			"Didn't find p2",
 			"p2 [in src [in P]]",
 			pkgs);
 	} finally {
 		deleteProject("P");
 	}
 }
 /*
  * Ensures that a NameLookup can be created with working copies that contain duplicate types
  * (regression test for bug 63245 findPackageFragment won't return default package)
  */
 public void testDuplicateTypesInWorkingCopies() throws CoreException {
 //	ICompilationUnit[] workingCopies = new ICompilationUnit[3];
 	this.workingCopies = new ICompilationUnit[3];
 	try {
 		JavaProject project = (JavaProject)createJavaProject("P");
 		workingCopies[0] = getWorkingCopy(
 			"/P/X.java",
 			"public class X {\n" +
 			"}\n" +
 			"class Other {\n" +
 			"}"
 		);
 		workingCopies[1] = getWorkingCopy(
 			"/P/Y.java",
 			"public class Y {\n" +
 			"}\n" +
 			"class Other {\n" +
 			"}"
 		);
 		workingCopies[2] = getWorkingCopy(
 			"/P/Z.java",
 			"public class Z {\n" +
 			"}\n" +
 			"class Other {\n" +
 			"}"
 		);
 		NameLookup nameLookup = project.newNameLookup(workingCopies);
 		IType type = nameLookup.findType("Other", false, NameLookup.ACCEPT_ALL); // TODO (jerome) should use seekTypes
 		assertTypesEqual(
 			"Unepexted types",
 			"Other\n",
 			new IType[] {type}
 		);
 	} finally {
 //		discardWorkingCopies(workingCopies);
 		deleteProject("P");
 	}
 }
 /*
  * Find a default package fragment in a non-default root by its path.
  * (regression test for bug 63245 findPackageFragment won't return default package)
  */
 public void testFindDefaultPackageFragmentInNonDefaultRoot() throws CoreException {
 	try {
 		JavaProject project = (JavaProject)createJavaProject("P", new String[] {"src"}, "bin");

 		IPackageFragment pkg = getNameLookup(project).findPackageFragment(new Path("/P/src"));
 		assertElementsEqual(
 			"Didn't find default package",
 			"<default> [in src [in P]]",
 			new IJavaElement[] {pkg});

 	} finally {
 		deleteProject("P");
 	}
 }
 /*
  * Ensure that finding a package fragment with a working copy opened returns one element only
  * (regression test for bug 89624 Open on selection proposes twice the same entry)
  */
 public void testFingPackageFragementWithWorkingCopy() throws CoreException {
 	this.workingCopies = new ICompilationUnit[1];
 	try {
 		JavaProject project = (JavaProject)createJavaProject("P");
 		createFolder("/P/p1");
 		workingCopies[0] = getWorkingCopy(
 			"/P/p1/X.java",
 			"package p1;\n" +
 			"public class X {\n" +
 			"}"
 		);
 		NameLookup nameLookup = project.newNameLookup(workingCopies);
 		IJavaElement[] pkgs = nameLookup.findPackageFragments("p1", false/*not a partial match*/);
 		assertElementsEqual(
 			"Unexpected packages",
 			"p1 [in <project root> [in P]]",
 			pkgs);
 	} finally {
 		deleteProject("P");
 	}
 }
 /*
  * Performance test for looking up package fragments
  * (see bug 72683 Slow code assist in Display view)
  */
 public void testPerfSeekPackageFragments() throws CoreException {
 	try {
 		// setup projects with 100 source folders and 10 packages per source folder
 		final int rootLength = 100;
 		final String[] sourceFolders = new String[rootLength];
 		for (int i = 0; i < rootLength; i++) {
 			sourceFolders[i] = "src" + i;
 		}
 		String path = getWorkspaceRoot().getLocation().toString() + "/P/src";
 		for (int i = 0; i < rootLength; i++) {
 			for (int j = 0; j < 10; j++) {
 				new java.io.File(path + i + "/org/eclipse/jdt/core/tests" + i + "/performance" + j).mkdirs();
 			}
 		}
 		JavaProject project = (JavaProject)createJavaProject("P", sourceFolders, "bin");

 		class PackageRequestor implements IJavaElementRequestor {
 			ArrayList pkgs = new ArrayList();
 			public void acceptField(IField field) {}
 			public void acceptInitializer(IInitializer initializer) {}
 			public void acceptMemberType(IType type) {}
 			public void acceptMethod(IMethod method) {}
 			public void acceptPackageFragment(IPackageFragment packageFragment) {
 				if (pkgs != null)
 					pkgs.add(packageFragment);
 			}
 			public void acceptType(IType type) {}
 			public boolean isCanceled() {
 				return false;
 			}
 		}

 		// first pass: ensure all class are loaded, and ensure that the test works as expected
 		PackageRequestor requestor = new PackageRequestor();
 		getNameLookup(project).seekPackageFragments("org.eclipse.jdt.core.tests78.performance5", false/*not partial match*/, requestor);
 		int size = requestor.pkgs.size();
 		IJavaElement[] result = new IJavaElement[size];
 		requestor.pkgs.toArray(result);
 		assertElementsEqual(
 			"Unexpected packages",
 			"org.eclipse.jdt.core.tests78.performance5 [in src78 [in P]]",
 			result
 		);

 		// measure performance
 		requestor.pkgs = null;
 		for (int i = 0; i < 100; i++) {
 			startMeasuring();
 			for (int j = 0; j < 40; j++) {
 				getNameLookup(project).seekPackageFragments("org.eclipse.jdt.core.tests" + j + "0.performance" + j, false/*not partial match*/, requestor);
 			}
 			stopMeasuring();
 		}
 		commitMeasurements();
 		assertPerformance();
 	} finally {
 		deleteProject("P");
 	}
 }
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2004 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.core.tests.model;

	import java.util.ArrayList;

	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.jdt.core.*;
	import org.eclipse.jdt.core.IClasspathEntry;
	import org.eclipse.jdt.core.IJavaProject;
	import org.eclipse.jdt.core.IPackageFragment;
	import org.eclipse.jdt.core.JavaCore;
	import org.eclipse.jdt.internal.core.IJavaElementRequestor;
	import org.eclipse.jdt.internal.core.JavaProject;
	import org.eclipse.jdt.internal.core.NameLookup;

	import junit.framework.Test;

	/**
	* These test ensure that modifications in Java projects are correctly reported as
	* IJavaEllementDeltas.
	*/
	public class NameLookupTests2 extends ModifyingResourceTests {

	public NameLookupTests2(String name) {
	super(name);
	}

	public static Test suite() {
	return new Suite(NameLookupTests2.class);
	}
	private NameLookup getNameLookup(JavaProject project) throws JavaModelException {
	return project.newNameLookup((WorkingCopyOwner)null);
	}
	public void testAddPackageFragmentRootAndPackageFrament() throws CoreException {
	try {
	IJavaProject p1 = createJavaProject("P1", new String[] {"src1"}, "bin");
	IJavaProject p2 = createJavaProject("P2", new String[] {}, "");
	IClasspathEntry[] classpath =
	new IClasspathEntry[] {
	JavaCore.newProjectEntry(new Path("/P1"))
	};
	p2.setRawClasspath(classpath, null);

	IPackageFragment[] res = getNameLookup((JavaProject)p2).findPackageFragments("p1", false);
	assertTrue("Should get no package fragment", res == null);

	IClasspathEntry[] classpath2 =
	new IClasspathEntry[] {
	JavaCore.newSourceEntry(new Path("/P1/src1")),
	JavaCore.newSourceEntry(new Path("/P1/src2"))
	};
	p1.setRawClasspath(classpath2, null);
	createFolder("/P1/src2/p1");

	res = getNameLookup((JavaProject)p2).findPackageFragments("p1", false);
	assertTrue(
	"Should get 'p1' package fragment",
	res != null &&
	res.length == 1 &&
	res[0].getElementName().equals("p1"));

	} finally {
	deleteProject("P1");
	deleteProject("P2");
	}
	}
	public void testAddPackageFragment() throws CoreException {
	try {
	createJavaProject("P1", new String[] {"src1"}, "bin");
	IJavaProject p2 = createJavaProject("P2", new String[] {}, "");
	IClasspathEntry[] classpath =
	new IClasspathEntry[] {
	JavaCore.newProjectEntry(new Path("/P1"))
	};
	p2.setRawClasspath(classpath, null);

	IPackageFragment[] res = getNameLookup((JavaProject)p2).findPackageFragments("p1", false);
	assertTrue("Should get no package fragment", res == null);

	createFolder("/P1/src1/p1");

	res = getNameLookup((JavaProject)p2).findPackageFragments("p1", false);
	assertTrue(
	"Should get 'p1' package fragment",
	res != null &&
	res.length == 1 &&
	res[0].getElementName().equals("p1"));

	} finally {
	deleteProject("P1");
	deleteProject("P2");
	}
	}
	/*
	* Resolve, add pkg, resolve again: new pkg should be accessible
	* (regression test for bug 37962 Unexpected transient problem during reconcile
	*/
	public void testAddPackageFragment2() throws CoreException {
	try {
	JavaProject project = (JavaProject)createJavaProject("P", new String[] {"src"}, "bin");
	createFolder("/P/src/p1");

	IPackageFragment[] pkgs = getNameLookup(project).findPackageFragments("p1", false);
	assertElementsEqual(
	"Didn't find p1",
	"p1 [in src [in P]]",
	pkgs);

	createFolder("/P/src/p2");

	pkgs = getNameLookup(project).findPackageFragments("p2", false);
	assertElementsEqual(
	"Didn't find p2",
	"p2 [in src [in P]]",
	pkgs);
	} finally {
	deleteProject("P");
	}
	}
	/*
	* Ensures that a NameLookup can be created with working copies that contain duplicate types
	* (regression test for bug 63245 findPackageFragment won't return default package)
	*/
	public void testDuplicateTypesInWorkingCopies() throws CoreException {
	// ICompilationUnit[] workingCopies = new ICompilationUnit[3];
	this.workingCopies = new ICompilationUnit[3];
	try {
	JavaProject project = (JavaProject)createJavaProject("P");
	workingCopies[0] = getWorkingCopy(
	"/P/X.java",
	"public class X {\n" +
	"}\n" +
	"class Other {\n" +
	"}"
	);
	workingCopies[1] = getWorkingCopy(
	"/P/Y.java",
	"public class Y {\n" +
	"}\n" +
	"class Other {\n" +
	"}"
	);
	workingCopies[2] = getWorkingCopy(
	"/P/Z.java",
	"public class Z {\n" +
	"}\n" +
	"class Other {\n" +
	"}"
	);
	NameLookup nameLookup = project.newNameLookup(workingCopies);
	IType type = nameLookup.findType("Other", false, NameLookup.ACCEPT_ALL); // TODO (jerome) should use seekTypes
	assertTypesEqual(
	"Unepexted types",
	"Other\n",
	new IType[] {type}
	);
	} finally {
	// discardWorkingCopies(workingCopies);
	deleteProject("P");
	}
	}
	/*
	* Find a default package fragment in a non-default root by its path.
	* (regression test for bug 63245 findPackageFragment won't return default package)
	*/
	public void testFindDefaultPackageFragmentInNonDefaultRoot() throws CoreException {
	try {
	JavaProject project = (JavaProject)createJavaProject("P", new String[] {"src"}, "bin");

	IPackageFragment pkg = getNameLookup(project).findPackageFragment(new Path("/P/src"));
	assertElementsEqual(
	"Didn't find default package",
	"<default> [in src [in P]]",
	new IJavaElement[] {pkg});

	} finally {
	deleteProject("P");
	}
	}
	/*
	* Ensure that finding a package fragment with a working copy opened returns one element only
	* (regression test for bug 89624 Open on selection proposes twice the same entry)
	*/
	public void testFingPackageFragementWithWorkingCopy() throws CoreException {
	this.workingCopies = new ICompilationUnit[1];
	try {
	JavaProject project = (JavaProject)createJavaProject("P");
	createFolder("/P/p1");
	workingCopies[0] = getWorkingCopy(
	"/P/p1/X.java",
	"package p1;\n" +
	"public class X {\n" +
	"}"
	);
	NameLookup nameLookup = project.newNameLookup(workingCopies);
	IJavaElement[] pkgs = nameLookup.findPackageFragments("p1", false/not a partial match/);
	assertElementsEqual(
	"Unexpected packages",
	"p1 [in <project root> [in P]]",
	pkgs);
	} finally {
	deleteProject("P");
	}
	}
	/*
	* Performance test for looking up package fragments
	* (see bug 72683 Slow code assist in Display view)
	*/
	public void testPerfSeekPackageFragments() throws CoreException {
	try {
	// setup projects with 100 source folders and 10 packages per source folder
	final int rootLength = 100;
	final String[] sourceFolders = new String[rootLength];
	for (int i = 0; i < rootLength; i++) {
	sourceFolders[i] = "src" + i;
	}
	String path = getWorkspaceRoot().getLocation().toString() + "/P/src";
	for (int i = 0; i < rootLength; i++) {
	for (int j = 0; j < 10; j++) {
	new java.io.File(path + i + "/org/eclipse/jdt/core/tests" + i + "/performance" + j).mkdirs();
	}
	}
	JavaProject project = (JavaProject)createJavaProject("P", sourceFolders, "bin");

	class PackageRequestor implements IJavaElementRequestor {
	ArrayList pkgs = new ArrayList();
	public void acceptField(IField field) {}
	public void acceptInitializer(IInitializer initializer) {}
	public void acceptMemberType(IType type) {}
	public void acceptMethod(IMethod method) {}
	public void acceptPackageFragment(IPackageFragment packageFragment) {
	if (pkgs != null)
	pkgs.add(packageFragment);
	}
	public void acceptType(IType type) {}
	public boolean isCanceled() {
	return false;
	}
	}

	// first pass: ensure all class are loaded, and ensure that the test works as expected
	PackageRequestor requestor = new PackageRequestor();
	getNameLookup(project).seekPackageFragments("org.eclipse.jdt.core.tests78.performance5", false/not partial match/, requestor);
	int size = requestor.pkgs.size();
	IJavaElement[] result = new IJavaElement[size];
	requestor.pkgs.toArray(result);
	assertElementsEqual(
	"Unexpected packages",
	"org.eclipse.jdt.core.tests78.performance5 [in src78 [in P]]",
	result
	);

	// measure performance
	requestor.pkgs = null;
	for (int i = 0; i < 100; i++) {
	startMeasuring();
	for (int j = 0; j < 40; j++) {
	getNameLookup(project).seekPackageFragments("org.eclipse.jdt.core.tests" + j + "0.performance" + j, false/not partial match/, requestor);
	}
	stopMeasuring();
	}
	commitMeasurements();
	assertPerformance();
	} finally {
	deleteProject("P");
	}
	}
	}