org.eclipse.jdt.ui.tests.refactoring/test cases/org/eclipse/jdt/ui/tests/refactoring/ccp/CopyToClipboardActionTest.java - jdt/eclipse.jdt.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2021 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.ui.tests.refactoring.ccp;

 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;

 import java.util.Arrays;
 import java.util.List;

 import org.junit.Test;

 import org.eclipse.swt.dnd.Clipboard;
 import org.eclipse.swt.dnd.FileTransfer;
 import org.eclipse.swt.dnd.TextTransfer;
 import org.eclipse.swt.widgets.Display;

 import org.eclipse.core.runtime.CoreException;

 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IFolder;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResource;

 import org.eclipse.jface.viewers.ILabelProvider;

 import org.eclipse.ui.part.ResourceTransfer;

 import org.eclipse.jdt.core.ICompilationUnit;
 import org.eclipse.jdt.core.IJavaElement;
 import org.eclipse.jdt.core.IPackageFragment;
 import org.eclipse.jdt.core.IType;

 import org.eclipse.jdt.internal.core.manipulation.util.Strings;
 import org.eclipse.jdt.internal.corext.refactoring.TypedSource;
 import org.eclipse.jdt.internal.corext.refactoring.reorg.JavaElementTransfer;
 import org.eclipse.jdt.internal.corext.refactoring.reorg.ReorgUtils;

 import org.eclipse.jdt.ui.JavaElementLabelProvider;
 import org.eclipse.jdt.ui.tests.refactoring.GenericRefactoringTest;
 import org.eclipse.jdt.ui.tests.refactoring.infra.MockClipboard;
 import org.eclipse.jdt.ui.tests.refactoring.infra.MockWorkbenchSite;
 import org.eclipse.jdt.ui.tests.refactoring.rules.RefactoringTestSetup;

 import org.eclipse.jdt.internal.ui.refactoring.reorg.CopyToClipboardAction;
 import org.eclipse.jdt.internal.ui.refactoring.reorg.TypedSourceTransfer;

 public class CopyToClipboardActionTest extends GenericRefactoringTest {
 	private static final String CU_A_NAME= "A";
 	private static final String CU_B_NAME= "B";

 	private ILabelProvider fLabelProvider;

 	private Clipboard fClipboard;

 	private ICompilationUnit fCuA;
 	private ICompilationUnit fCuB;
 	private IPackageFragment fPackage_Q;
 	private IPackageFragment fPackage_Q_R;
 	private IPackageFragment fDefaultPackage;
 	private IFile faTxt;
 	private IFolder fOlder;

 	public CopyToClipboardActionTest() {
 		rts= new RefactoringTestSetup();
 	}

 	@Override
 	public void genericbefore() throws Exception {
 		super.genericbefore();
 		fClipboard= new MockClipboard(Display.getDefault());
 		fDefaultPackage= rts.getDefaultSourceFolder().createPackageFragment("", true, null);

 		fCuA= createCU(getPackageP(), CU_A_NAME + ".java",
 			"package p;" +
 			"import java.util.List;" +
 			"class A{" +
 			"int f;" +
 			"{}" +
 			"void foo(){}" +
 			"class Inner{}" +
 			"}");

 		fPackage_Q= rts.getDefaultSourceFolder().createPackageFragment("q", true, null);
 		fCuB= createCU(fPackage_Q, CU_B_NAME + ".java",
 				"package q;" +
 				"import java.util.Set;" +
 				"class B{" +
 				"int x;" +
 				"void bar(){}" +
 				"class InnerB{}" +
 				"}");

 		fPackage_Q_R= rts.getDefaultSourceFolder().createPackageFragment("q.r", true, null);

 		faTxt= createFile((IFolder)getPackageP().getUnderlyingResource(), "a.txt");
 		fOlder= createFolder(rts.getProject().getProject(), "fOlder");

 		fLabelProvider= new JavaElementLabelProvider(	JavaElementLabelProvider.SHOW_VARIABLE +
 														JavaElementLabelProvider.SHOW_PARAMETERS +
 														JavaElementLabelProvider.SHOW_TYPE);
 		assertTrue("A.java does not exist", fCuA.exists());
 		assertTrue("B.java does not exist", fCuB.exists());
 		assertTrue("q does not exist", fPackage_Q.exists());
 		assertTrue("q.r does not exist", fPackage_Q_R.exists());
 		assertTrue("a.txt does not exist", faTxt.exists());
 		assertTrue("fOlder does not exist", fOlder.exists());
 	}

 	@Override
 	public void genericafter() throws Exception {
 		super.genericafter();
 		performDummySearch();
 		fClipboard.dispose();
 		fLabelProvider.dispose();
 	}

 	private IFile createFile(IFolder folder, String fileName) throws Exception {
 		IFile file= folder.getFile(fileName);
 		file.create(getStream("aa"), true, null);
 		return file;
 	}

 	private IFolder createFolder(IProject project, String name) throws CoreException{
 		IFolder folder= project.getFolder(name);
 		folder.create(true, true, null);
 		return folder;
 	}

 	private void checkDisabled(Object[] elements){
 		CopyToClipboardAction copyAction= new CopyToClipboardAction(new MockWorkbenchSite(elements), fClipboard);
 		copyAction.setAutoRepeatOnFailure(true);
 		copyAction.update(copyAction.getSelection());
 		assertFalse("action should be disabled", copyAction.isEnabled());
 	}

 	private void checkEnabled(Object[] elements) throws Exception {
 		CopyToClipboardAction copyAction= new CopyToClipboardAction(new MockWorkbenchSite(elements), fClipboard);
 		copyAction.setAutoRepeatOnFailure(true);
 		copyAction.update(copyAction.getSelection());
 		assertTrue("action should be enabled", copyAction.isEnabled());
 		copyAction.run();
 		checkClipboard(elements);
 	}

 	private void checkClipboard(Object[] elementsCopied) throws Exception {
 		IResource[] resourcesCopied= getResources(elementsCopied);
 		IJavaElement[] javaElementsCopied= getJavaElements(elementsCopied);
 		IType[] mainTypesCopied= ReorgUtils.getMainTypes(javaElementsCopied);

 		IResource[] resourcesExpected= computeResourcesExpectedInClipboard(resourcesCopied, mainTypesCopied, javaElementsCopied);
 		IJavaElement[] javaElementsExpected= computeJavaElementsExpectedInClipboard(javaElementsCopied, mainTypesCopied);

 		String[] clipboardFiles= getClipboardFiles();
 		IResource[] clipboardResources= getClipboardResources();
 		String clipboardText= getClipboardText();
 		IJavaElement[] clipboardJavaElements= getClipboardJavaElements();
 		TypedSource[] clipboardTypedSources= getClipboardTypedSources();

 		checkNames(resourcesCopied, javaElementsCopied, clipboardText);
 		checkFiles(resourcesCopied, javaElementsCopied, mainTypesCopied, clipboardFiles);
 		checkTypedSources(javaElementsCopied, clipboardTypedSources);
 		checkElements(resourcesExpected, clipboardResources);
 		checkElements(javaElementsExpected, clipboardJavaElements);
 	}

 	private void checkTypedSources(IJavaElement[] javaElementsCopied, TypedSource[] clipboardTypedSources) throws Exception {
 		TypedSource[] typedSources= TypedSource.createTypedSources(javaElementsCopied);
 		assertEquals("different number", typedSources.length, clipboardTypedSources.length);
 		TypedSource.sortByType(typedSources);
 		TypedSource.sortByType(clipboardTypedSources);
 		for (int i= 0; i < typedSources.length; i++) {
 			assertEquals("different typed sources", typedSources[i], clipboardTypedSources[i]);
 		}
 	}

 	private IResource[] computeResourcesExpectedInClipboard(IResource[] resourcesCopied, IType[] mainTypesCopied, IJavaElement[] javaElementsCopied) {
 		IResource[] cuResources= ReorgUtils.getResources(getCompilationUnits(javaElementsCopied));
 		return ReorgUtils.union(cuResources, ReorgUtils.union(resourcesCopied, ReorgUtils.getResources(ReorgUtils.getCompilationUnits(mainTypesCopied))));
 	}

 	private static IJavaElement[] computeJavaElementsExpectedInClipboard(IJavaElement[] javaElementsExpected, IType[] mainTypesCopied) {
 		return ReorgUtils.union(javaElementsExpected, ReorgUtils.getCompilationUnits(mainTypesCopied));
 	}

 	private String getName(IResource resource){
 		return fLabelProvider.getText(resource);
 	}
 	private String getName(IJavaElement javaElement){
 		return fLabelProvider.getText(javaElement);
 	}

 	private static void checkElements(Object[] copied, Object[] retreivedFromClipboard) {
 		assertEquals("different number of elements", copied.length, retreivedFromClipboard.length);
 		sortByName(copied);
 		sortByName(retreivedFromClipboard);
 		for (int i= 0; i < retreivedFromClipboard.length; i++) {
 			Object retreived= retreivedFromClipboard[i];
 			assertTrue("element does not exist", exists(retreived));
 			assertEquals("different copied " + getName(copied[i]) + " retreived: " + getName(retreived), copied[i], retreivedFromClipboard[i]);
 		}
 	}

 	private static boolean exists(Object element) {
 		if (element instanceof IJavaElement)
 			return ((IJavaElement)element).exists();
 		if (element instanceof IResource)
 			return ((IResource)element).exists();
 		fail();
 		return false;
 	}

 	private static String getName(Object object) {
 		if (object instanceof IJavaElement)
 			return ((IJavaElement)object).getElementName();
 		if (object instanceof IResource)
 			return ((IResource)object).getName();
 		return object == null ? null : object.toString();
 	}

 	private static void sortByName(Object[] copied) {
 		Arrays.sort(copied, (arg0, arg1) -> getName(arg0).compareTo(getName(arg1)));
 	}

 	private void checkNames(IResource[] resourcesCopied, IJavaElement[] javaElementsCopied, String clipboardText){
 		List<String> stringLines= Arrays.asList(Strings.convertIntoLines(clipboardText));
 		assertEquals("different number of names", resourcesCopied.length + javaElementsCopied.length, stringLines.size());
 		for (IResource resource : resourcesCopied) {
 			String name= getName(resource);
 			assertTrue("name not in set:" + name, stringLines.contains(name));
 		}
 		for (IJavaElement element : javaElementsCopied) {
 			if (! ReorgUtils.isInsideCompilationUnit(element)){
 				String name= getName(element);
 				assertTrue("name not in set:" + name, stringLines.contains(name));
 			}
 		}
 	}

 	private static void checkFiles(IResource[] resourcesCopied, IJavaElement[] javaElementsCopied, IType[] mainTypes, String[] clipboardFiles) {
 		int expected= 0;
 		expected += resourcesCopied.length;
 		expected += countResources(javaElementsCopied);
 		expected += mainTypes.length;

 		//we cannot compare file names here because they're absolute and depend on the worspace location
 		assertEquals("different number of files in clipboard", expected, clipboardFiles.length);
 	}

 	private static int countResources(IJavaElement[] javaElementsCopied) {
 		int count= 0;
 		for (IJavaElement element : javaElementsCopied) {
 			switch (element.getElementType()) {
 				case IJavaElement.JAVA_PROJECT :
 				case IJavaElement.PACKAGE_FRAGMENT_ROOT :
 				case IJavaElement.PACKAGE_FRAGMENT :
 				case IJavaElement.COMPILATION_UNIT :
 				case IJavaElement.CLASS_FILE :
 					count++;
 					break;
 				default:
 					break;
 			}
 		}
 		return count;
 	}

 	private static IJavaElement[] getCompilationUnits(IJavaElement[] javaElements) {
 		List<?> cus= ReorgUtils.getElementsOfType(javaElements, IJavaElement.COMPILATION_UNIT);
 		return cus.toArray(new ICompilationUnit[cus.size()]);
 	}

 	private static IResource[] getResources(Object[] elements) {
 		return ReorgUtils.getResources(Arrays.asList(elements));
 	}

 	private static IJavaElement[] getJavaElements(Object[] elements) {
 		return ReorgUtils.getJavaElements(Arrays.asList(elements));
 	}

 	private IJavaElement[] getClipboardJavaElements() {
 		IJavaElement[] elements= (IJavaElement[])fClipboard.getContents(JavaElementTransfer.getInstance());
 		return elements == null ? new IJavaElement[0]: elements;
 	}

 	private String[] getClipboardFiles() {
 		String[] files= (String[])fClipboard.getContents(FileTransfer.getInstance());
 		return files == null ? new String[0]: files;
 	}

 	private IResource[] getClipboardResources() {
 		IResource[] resources= (IResource[])fClipboard.getContents(ResourceTransfer.getInstance());
 		return resources == null ? new IResource[0]: resources;
 	}

 	private TypedSource[] getClipboardTypedSources() {
 		TypedSource[] typedSources= (TypedSource[])fClipboard.getContents(TypedSourceTransfer.getInstance());
 		return typedSources == null ? new TypedSource[0]: typedSources;
 	}

 	private String getClipboardText() {
 		return (String)fClipboard.getContents(TextTransfer.getInstance());
 	}

 	///---------tests

 	@Test
 	public void testDisabled0() {
 		Object[] elements= {};
 		checkDisabled(elements);
 	}

 	@Test
 	public void testDisabled1() throws Exception {
 		Object[] elements= {null};
 		checkDisabled(elements);
 	}

 	@Test
 	public void testDisabled2() throws Exception {
 		Object[] elements= {this};
 		checkDisabled(elements);
 	}

 	@Test
 	public void testDisabled3() throws Exception {
 		Object[] elements= {rts.getProject(), getPackageP()};
 		checkDisabled(elements);
 	}

 	@Test
 	public void testDisabled4() throws Exception {
 		checkDisabled(new Object[]{getPackageP(), fCuA});
 	}

 	@Test
 	public void testDisabled5() throws Exception {
 		checkDisabled(new Object[]{getRoot(), fCuA});
 	}

 	@Test
 	public void testDisabled6() throws Exception {
 		checkDisabled(new Object[]{getRoot(), fPackage_Q});
 	}

 	@Test
 	public void testDisabled7() throws Exception {
 		checkDisabled(new Object[]{getRoot(), faTxt});
 	}

 	@Test
 	public void testDisabled8() throws Exception {
 		checkDisabled(new Object[]{getRoot(), getRoot().getJavaProject()});
 	}

 	@Test
 	public void testDisabled9() throws Exception {
 		checkDisabled(new Object[]{rts.getProject().getPackageFragmentRoots()});
 	}

 	@Test
 	public void testDisabled10() throws Exception {
 		checkDisabled(new Object[]{fCuA, fCuB});
 	}

 	@Test
 	public void testDisabled11() throws Exception {
 		checkDisabled(new Object[]{fDefaultPackage});
 	}

 	@Test
 	public void testDisabled12() throws Exception {
 		checkDisabled(new Object[]{getRoot().getJavaProject(), fCuA});
 	}

 	@Test
 	public void testDisabled13() throws Exception {
 		checkDisabled(new Object[]{getRoot().getJavaProject(), fPackage_Q});
 	}

 	@Test
 	public void testDisabled14() throws Exception {
 		checkDisabled(new Object[]{getRoot().getJavaProject(), faTxt});
 	}

 	@Test
 	public void testDisabled15() throws Exception {
 		Object fieldF= fCuA.getType("A").getField("f");
 		Object classA= fCuA.getType("A");
 		Object[] elements= {fieldF, classA};
 		checkDisabled(elements);
 	}

 	@Test
 	public void testDisabled16() throws Exception {
 		Object fieldF= fCuA.getType("A").getField("f");
 		Object[] elements= {fieldF, fCuA};
 		checkDisabled(elements);
 	}

 	@Test
 	public void testDisabled17() throws Exception {
 		Object fieldF= fCuA.getType("A").getField("f");
 		Object[] elements= {fieldF, fDefaultPackage};
 		checkDisabled(elements);
 	}

 	@Test
 	public void testDisabled18() throws Exception {
 		Object fieldF= fCuA.getType("A").getField("f");
 		Object[] elements= {fieldF, fPackage_Q};
 		checkDisabled(elements);
 	}

 	@Test
 	public void testDisabled19() throws Exception {
 		Object fieldF= fCuA.getType("A").getField("f");
 		Object[] elements= {fieldF, faTxt};
 		checkDisabled(elements);
 	}

 	@Test
 	public void testDisabled20() throws Exception {
 		Object fieldF= fCuA.getType("A").getField("f");
 		Object[] elements= {fieldF, getRoot()};
 		checkDisabled(elements);
 	}

 	@Test
 	public void testDisabled21() throws Exception {
 		Object fieldF= fCuA.getType("A").getField("f");
 		Object[] elements= {fieldF, rts.getProject()};
 		checkDisabled(elements);
 	}

 	@Test
 	public void testDisabled22() throws Exception {
 		Object typeA= fCuA.getType("A");
 		Object typeB= fCuB.getType("B");
 		Object[] elements= {typeA, typeB};
 		checkDisabled(elements);
 	}

 	@Test
 	public void testDisabled23() throws Exception {
 		checkDisabled(new Object[]{faTxt, fCuB});
 	}

 	@Test
 	public void testEnabled0() throws Exception {
 		Object[] elements= {rts.getProject()};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled1() throws Exception {
 		Object[] elements= {getPackageP()};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled2() throws Exception {
 		Object[] elements= {getRoot()};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled3() throws Exception {
 		Object[] elements= {rts.getDefaultSourceFolder()};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled4() throws Exception {
 		checkEnabled(new Object[]{faTxt});
 	}

 	@Test
 	public void testEnabled5() throws Exception {
 		checkEnabled(new Object[]{getRoot()});
 	}

 	@Test
 	public void testEnabled6() throws Exception {
 		checkEnabled(new Object[]{fCuA});
 	}

 	@Test
 	public void testEnabled7() throws Exception {
 		checkEnabled(new Object[]{getRoot().getJavaProject()});
 	}

 	@Test
 	public void testEnabled8() throws Exception {
 		checkEnabled(new Object[]{getPackageP()});
 	}

 	@Test
 	public void testEnabled9() throws Exception {
 		checkEnabled(new Object[]{getPackageP(), fPackage_Q, fPackage_Q_R});
 	}

 	@Test
 	public void testEnabled10() throws Exception {
 		Object packDecl= fCuA.getPackageDeclarations()[0];
 		Object[] elements= {packDecl};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled11() throws Exception {
 		Object importD= fCuA.getImports()[0];
 		Object[] elements= {importD};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled12() throws Exception {
 //		printTestDisabledMessage("disabled due to bug 37750");
 //		if (true)
 //			return;
 		IJavaElement importContainer= fCuA.getImportContainer();
 		Object[] elements= {importContainer};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled13() throws Exception {
 		Object classA= fCuA.getType("A");
 		Object[] elements= {classA};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled14() throws Exception {
 		Object methodFoo= fCuA.getType("A").getMethod("foo", new String[0]);
 		Object[] elements= {methodFoo};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled15() throws Exception {
 		Object fieldF= fCuA.getType("A").getField("f");
 		Object[] elements= {fieldF};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled16() throws Exception {
 		Object initializer= fCuA.getType("A").getInitializer(1);
 		Object[] elements= {initializer};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled17() throws Exception {
 		Object innerClass= fCuA.getType("A").getType("Inner");
 		Object[] elements= {innerClass};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled18() throws Exception {
 		Object fieldF= fCuA.getType("A").getField("f");
 		Object methodFoo= fCuA.getType("A").getMethod("foo", new String[0]);
 		Object innerClass= fCuA.getType("A").getType("Inner");
 		Object initializer= fCuA.getType("A").getInitializer(1);
 		Object[] elements= {fieldF, methodFoo, initializer, innerClass};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled19() throws Exception {
 //		printTestDisabledMessage("disabled due to bug 37750");
 //		if (true)
 //			return;

 		Object classA= fCuA.getType("A");
 		Object importContainer= fCuA.getImportContainer();
 		Object packDecl= fCuA.getPackageDeclarations()[0];
 		Object[] elements= {classA, importContainer, packDecl};
 		checkEnabled(elements);
 	}

 	@Test
 	public void testEnabled20() throws Exception {
 		checkEnabled(new Object[]{faTxt, fCuA});
 	}

 	@Test
 	public void testEnabled21() throws Exception {
 		checkEnabled(new Object[]{fOlder});
 	}

 	@Test
 	public void testEnabled22() throws Exception {
 //		printTestDisabledMessage("bug 39410");
 		Object classA= fCuA.getType("A");
 		Object packDecl= fCuA.getPackageDeclarations()[0];
 		Object[] elements= {classA, packDecl};
 		checkEnabled(elements);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2021 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.ui.tests.refactoring.ccp;

	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.assertFalse;
	import static org.junit.Assert.assertTrue;
	import static org.junit.Assert.fail;

	import java.util.Arrays;
	import java.util.List;

	import org.junit.Test;

	import org.eclipse.swt.dnd.Clipboard;
	import org.eclipse.swt.dnd.FileTransfer;
	import org.eclipse.swt.dnd.TextTransfer;
	import org.eclipse.swt.widgets.Display;

	import org.eclipse.core.runtime.CoreException;

	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IFolder;
	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IResource;

	import org.eclipse.jface.viewers.ILabelProvider;

	import org.eclipse.ui.part.ResourceTransfer;

	import org.eclipse.jdt.core.ICompilationUnit;
	import org.eclipse.jdt.core.IJavaElement;
	import org.eclipse.jdt.core.IPackageFragment;
	import org.eclipse.jdt.core.IType;

	import org.eclipse.jdt.internal.core.manipulation.util.Strings;
	import org.eclipse.jdt.internal.corext.refactoring.TypedSource;
	import org.eclipse.jdt.internal.corext.refactoring.reorg.JavaElementTransfer;
	import org.eclipse.jdt.internal.corext.refactoring.reorg.ReorgUtils;

	import org.eclipse.jdt.ui.JavaElementLabelProvider;
	import org.eclipse.jdt.ui.tests.refactoring.GenericRefactoringTest;
	import org.eclipse.jdt.ui.tests.refactoring.infra.MockClipboard;
	import org.eclipse.jdt.ui.tests.refactoring.infra.MockWorkbenchSite;
	import org.eclipse.jdt.ui.tests.refactoring.rules.RefactoringTestSetup;

	import org.eclipse.jdt.internal.ui.refactoring.reorg.CopyToClipboardAction;
	import org.eclipse.jdt.internal.ui.refactoring.reorg.TypedSourceTransfer;

	public class CopyToClipboardActionTest extends GenericRefactoringTest {
	private static final String CU_A_NAME= "A";
	private static final String CU_B_NAME= "B";

	private ILabelProvider fLabelProvider;

	private Clipboard fClipboard;

	private ICompilationUnit fCuA;
	private ICompilationUnit fCuB;
	private IPackageFragment fPackage_Q;
	private IPackageFragment fPackage_Q_R;
	private IPackageFragment fDefaultPackage;
	private IFile faTxt;
	private IFolder fOlder;

	public CopyToClipboardActionTest() {
	rts= new RefactoringTestSetup();
	}

	@Override
	public void genericbefore() throws Exception {
	super.genericbefore();
	fClipboard= new MockClipboard(Display.getDefault());
	fDefaultPackage= rts.getDefaultSourceFolder().createPackageFragment("", true, null);

	fCuA= createCU(getPackageP(), CU_A_NAME + ".java",
	"package p;" +
	"import java.util.List;" +
	"class A{" +
	"int f;" +
	"{}" +
	"void foo(){}" +
	"class Inner{}" +
	"}");

	fPackage_Q= rts.getDefaultSourceFolder().createPackageFragment("q", true, null);
	fCuB= createCU(fPackage_Q, CU_B_NAME + ".java",
	"package q;" +
	"import java.util.Set;" +
	"class B{" +
	"int x;" +
	"void bar(){}" +
	"class InnerB{}" +
	"}");

	fPackage_Q_R= rts.getDefaultSourceFolder().createPackageFragment("q.r", true, null);

	faTxt= createFile((IFolder)getPackageP().getUnderlyingResource(), "a.txt");
	fOlder= createFolder(rts.getProject().getProject(), "fOlder");

	fLabelProvider= new JavaElementLabelProvider( JavaElementLabelProvider.SHOW_VARIABLE +
	JavaElementLabelProvider.SHOW_PARAMETERS +
	JavaElementLabelProvider.SHOW_TYPE);
	assertTrue("A.java does not exist", fCuA.exists());
	assertTrue("B.java does not exist", fCuB.exists());
	assertTrue("q does not exist", fPackage_Q.exists());
	assertTrue("q.r does not exist", fPackage_Q_R.exists());
	assertTrue("a.txt does not exist", faTxt.exists());
	assertTrue("fOlder does not exist", fOlder.exists());
	}

	@Override
	public void genericafter() throws Exception {
	super.genericafter();
	performDummySearch();
	fClipboard.dispose();
	fLabelProvider.dispose();
	}

	private IFile createFile(IFolder folder, String fileName) throws Exception {
	IFile file= folder.getFile(fileName);
	file.create(getStream("aa"), true, null);
	return file;
	}

	private IFolder createFolder(IProject project, String name) throws CoreException{
	IFolder folder= project.getFolder(name);
	folder.create(true, true, null);
	return folder;
	}

	private void checkDisabled(Object[] elements){
	CopyToClipboardAction copyAction= new CopyToClipboardAction(new MockWorkbenchSite(elements), fClipboard);
	copyAction.setAutoRepeatOnFailure(true);
	copyAction.update(copyAction.getSelection());
	assertFalse("action should be disabled", copyAction.isEnabled());
	}

	private void checkEnabled(Object[] elements) throws Exception {
	CopyToClipboardAction copyAction= new CopyToClipboardAction(new MockWorkbenchSite(elements), fClipboard);
	copyAction.setAutoRepeatOnFailure(true);
	copyAction.update(copyAction.getSelection());
	assertTrue("action should be enabled", copyAction.isEnabled());
	copyAction.run();
	checkClipboard(elements);
	}

	private void checkClipboard(Object[] elementsCopied) throws Exception {
	IResource[] resourcesCopied= getResources(elementsCopied);
	IJavaElement[] javaElementsCopied= getJavaElements(elementsCopied);
	IType[] mainTypesCopied= ReorgUtils.getMainTypes(javaElementsCopied);

	IResource[] resourcesExpected= computeResourcesExpectedInClipboard(resourcesCopied, mainTypesCopied, javaElementsCopied);
	IJavaElement[] javaElementsExpected= computeJavaElementsExpectedInClipboard(javaElementsCopied, mainTypesCopied);

	String[] clipboardFiles= getClipboardFiles();
	IResource[] clipboardResources= getClipboardResources();
	String clipboardText= getClipboardText();
	IJavaElement[] clipboardJavaElements= getClipboardJavaElements();
	TypedSource[] clipboardTypedSources= getClipboardTypedSources();

	checkNames(resourcesCopied, javaElementsCopied, clipboardText);
	checkFiles(resourcesCopied, javaElementsCopied, mainTypesCopied, clipboardFiles);
	checkTypedSources(javaElementsCopied, clipboardTypedSources);
	checkElements(resourcesExpected, clipboardResources);
	checkElements(javaElementsExpected, clipboardJavaElements);
	}

	private void checkTypedSources(IJavaElement[] javaElementsCopied, TypedSource[] clipboardTypedSources) throws Exception {
	TypedSource[] typedSources= TypedSource.createTypedSources(javaElementsCopied);
	assertEquals("different number", typedSources.length, clipboardTypedSources.length);
	TypedSource.sortByType(typedSources);
	TypedSource.sortByType(clipboardTypedSources);
	for (int i= 0; i < typedSources.length; i++) {
	assertEquals("different typed sources", typedSources[i], clipboardTypedSources[i]);
	}
	}

	private IResource[] computeResourcesExpectedInClipboard(IResource[] resourcesCopied, IType[] mainTypesCopied, IJavaElement[] javaElementsCopied) {
	IResource[] cuResources= ReorgUtils.getResources(getCompilationUnits(javaElementsCopied));
	return ReorgUtils.union(cuResources, ReorgUtils.union(resourcesCopied, ReorgUtils.getResources(ReorgUtils.getCompilationUnits(mainTypesCopied))));
	}

	private static IJavaElement[] computeJavaElementsExpectedInClipboard(IJavaElement[] javaElementsExpected, IType[] mainTypesCopied) {
	return ReorgUtils.union(javaElementsExpected, ReorgUtils.getCompilationUnits(mainTypesCopied));
	}

	private String getName(IResource resource){
	return fLabelProvider.getText(resource);
	}
	private String getName(IJavaElement javaElement){
	return fLabelProvider.getText(javaElement);
	}

	private static void checkElements(Object[] copied, Object[] retreivedFromClipboard) {
	assertEquals("different number of elements", copied.length, retreivedFromClipboard.length);
	sortByName(copied);
	sortByName(retreivedFromClipboard);
	for (int i= 0; i < retreivedFromClipboard.length; i++) {
	Object retreived= retreivedFromClipboard[i];
	assertTrue("element does not exist", exists(retreived));
	assertEquals("different copied " + getName(copied[i]) + " retreived: " + getName(retreived), copied[i], retreivedFromClipboard[i]);
	}
	}

	private static boolean exists(Object element) {
	if (element instanceof IJavaElement)
	return ((IJavaElement)element).exists();
	if (element instanceof IResource)
	return ((IResource)element).exists();
	fail();
	return false;
	}

	private static String getName(Object object) {
	if (object instanceof IJavaElement)
	return ((IJavaElement)object).getElementName();
	if (object instanceof IResource)
	return ((IResource)object).getName();
	return object == null ? null : object.toString();
	}

	private static void sortByName(Object[] copied) {
	Arrays.sort(copied, (arg0, arg1) -> getName(arg0).compareTo(getName(arg1)));
	}

	private void checkNames(IResource[] resourcesCopied, IJavaElement[] javaElementsCopied, String clipboardText){
	List<String> stringLines= Arrays.asList(Strings.convertIntoLines(clipboardText));
	assertEquals("different number of names", resourcesCopied.length + javaElementsCopied.length, stringLines.size());
	for (IResource resource : resourcesCopied) {
	String name= getName(resource);
	assertTrue("name not in set:" + name, stringLines.contains(name));
	}
	for (IJavaElement element : javaElementsCopied) {
	if (! ReorgUtils.isInsideCompilationUnit(element)){
	String name= getName(element);
	assertTrue("name not in set:" + name, stringLines.contains(name));
	}
	}
	}

	private static void checkFiles(IResource[] resourcesCopied, IJavaElement[] javaElementsCopied, IType[] mainTypes, String[] clipboardFiles) {
	int expected= 0;
	expected += resourcesCopied.length;
	expected += countResources(javaElementsCopied);
	expected += mainTypes.length;

	//we cannot compare file names here because they're absolute and depend on the worspace location
	assertEquals("different number of files in clipboard", expected, clipboardFiles.length);
	}

	private static int countResources(IJavaElement[] javaElementsCopied) {
	int count= 0;
	for (IJavaElement element : javaElementsCopied) {
	switch (element.getElementType()) {
	case IJavaElement.JAVA_PROJECT :
	case IJavaElement.PACKAGE_FRAGMENT_ROOT :
	case IJavaElement.PACKAGE_FRAGMENT :
	case IJavaElement.COMPILATION_UNIT :
	case IJavaElement.CLASS_FILE :
	count++;
	break;
	default:
	break;
	}
	}
	return count;
	}

	private static IJavaElement[] getCompilationUnits(IJavaElement[] javaElements) {
	List<?> cus= ReorgUtils.getElementsOfType(javaElements, IJavaElement.COMPILATION_UNIT);
	return cus.toArray(new ICompilationUnit[cus.size()]);
	}

	private static IResource[] getResources(Object[] elements) {
	return ReorgUtils.getResources(Arrays.asList(elements));
	}

	private static IJavaElement[] getJavaElements(Object[] elements) {
	return ReorgUtils.getJavaElements(Arrays.asList(elements));
	}

	private IJavaElement[] getClipboardJavaElements() {
	IJavaElement[] elements= (IJavaElement[])fClipboard.getContents(JavaElementTransfer.getInstance());
	return elements == null ? new IJavaElement[0]: elements;
	}

	private String[] getClipboardFiles() {
	String[] files= (String[])fClipboard.getContents(FileTransfer.getInstance());
	return files == null ? new String[0]: files;
	}

	private IResource[] getClipboardResources() {
	IResource[] resources= (IResource[])fClipboard.getContents(ResourceTransfer.getInstance());
	return resources == null ? new IResource[0]: resources;
	}

	private TypedSource[] getClipboardTypedSources() {
	TypedSource[] typedSources= (TypedSource[])fClipboard.getContents(TypedSourceTransfer.getInstance());
	return typedSources == null ? new TypedSource[0]: typedSources;
	}

	private String getClipboardText() {
	return (String)fClipboard.getContents(TextTransfer.getInstance());
	}

	///---------tests

	@Test
	public void testDisabled0() {
	Object[] elements= {};
	checkDisabled(elements);
	}

	@Test
	public void testDisabled1() throws Exception {
	Object[] elements= {null};
	checkDisabled(elements);
	}

	@Test
	public void testDisabled2() throws Exception {
	Object[] elements= {this};
	checkDisabled(elements);
	}

	@Test
	public void testDisabled3() throws Exception {
	Object[] elements= {rts.getProject(), getPackageP()};
	checkDisabled(elements);
	}

	@Test
	public void testDisabled4() throws Exception {
	checkDisabled(new Object[]{getPackageP(), fCuA});
	}

	@Test
	public void testDisabled5() throws Exception {
	checkDisabled(new Object[]{getRoot(), fCuA});
	}

	@Test
	public void testDisabled6() throws Exception {
	checkDisabled(new Object[]{getRoot(), fPackage_Q});
	}

	@Test
	public void testDisabled7() throws Exception {
	checkDisabled(new Object[]{getRoot(), faTxt});
	}

	@Test
	public void testDisabled8() throws Exception {
	checkDisabled(new Object[]{getRoot(), getRoot().getJavaProject()});
	}

	@Test
	public void testDisabled9() throws Exception {
	checkDisabled(new Object[]{rts.getProject().getPackageFragmentRoots()});
	}

	@Test
	public void testDisabled10() throws Exception {
	checkDisabled(new Object[]{fCuA, fCuB});
	}

	@Test
	public void testDisabled11() throws Exception {
	checkDisabled(new Object[]{fDefaultPackage});
	}

	@Test
	public void testDisabled12() throws Exception {
	checkDisabled(new Object[]{getRoot().getJavaProject(), fCuA});
	}

	@Test
	public void testDisabled13() throws Exception {
	checkDisabled(new Object[]{getRoot().getJavaProject(), fPackage_Q});
	}

	@Test
	public void testDisabled14() throws Exception {
	checkDisabled(new Object[]{getRoot().getJavaProject(), faTxt});
	}

	@Test
	public void testDisabled15() throws Exception {
	Object fieldF= fCuA.getType("A").getField("f");
	Object classA= fCuA.getType("A");
	Object[] elements= {fieldF, classA};
	checkDisabled(elements);
	}

	@Test
	public void testDisabled16() throws Exception {
	Object fieldF= fCuA.getType("A").getField("f");
	Object[] elements= {fieldF, fCuA};
	checkDisabled(elements);
	}

	@Test
	public void testDisabled17() throws Exception {
	Object fieldF= fCuA.getType("A").getField("f");
	Object[] elements= {fieldF, fDefaultPackage};
	checkDisabled(elements);
	}

	@Test
	public void testDisabled18() throws Exception {
	Object fieldF= fCuA.getType("A").getField("f");
	Object[] elements= {fieldF, fPackage_Q};
	checkDisabled(elements);
	}

	@Test
	public void testDisabled19() throws Exception {
	Object fieldF= fCuA.getType("A").getField("f");
	Object[] elements= {fieldF, faTxt};
	checkDisabled(elements);
	}

	@Test
	public void testDisabled20() throws Exception {
	Object fieldF= fCuA.getType("A").getField("f");
	Object[] elements= {fieldF, getRoot()};
	checkDisabled(elements);
	}

	@Test
	public void testDisabled21() throws Exception {
	Object fieldF= fCuA.getType("A").getField("f");
	Object[] elements= {fieldF, rts.getProject()};
	checkDisabled(elements);
	}

	@Test
	public void testDisabled22() throws Exception {
	Object typeA= fCuA.getType("A");
	Object typeB= fCuB.getType("B");
	Object[] elements= {typeA, typeB};
	checkDisabled(elements);
	}

	@Test
	public void testDisabled23() throws Exception {
	checkDisabled(new Object[]{faTxt, fCuB});
	}

	@Test
	public void testEnabled0() throws Exception {
	Object[] elements= {rts.getProject()};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled1() throws Exception {
	Object[] elements= {getPackageP()};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled2() throws Exception {
	Object[] elements= {getRoot()};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled3() throws Exception {
	Object[] elements= {rts.getDefaultSourceFolder()};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled4() throws Exception {
	checkEnabled(new Object[]{faTxt});
	}

	@Test
	public void testEnabled5() throws Exception {
	checkEnabled(new Object[]{getRoot()});
	}

	@Test
	public void testEnabled6() throws Exception {
	checkEnabled(new Object[]{fCuA});
	}

	@Test
	public void testEnabled7() throws Exception {
	checkEnabled(new Object[]{getRoot().getJavaProject()});
	}

	@Test
	public void testEnabled8() throws Exception {
	checkEnabled(new Object[]{getPackageP()});
	}

	@Test
	public void testEnabled9() throws Exception {
	checkEnabled(new Object[]{getPackageP(), fPackage_Q, fPackage_Q_R});
	}

	@Test
	public void testEnabled10() throws Exception {
	Object packDecl= fCuA.getPackageDeclarations()[0];
	Object[] elements= {packDecl};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled11() throws Exception {
	Object importD= fCuA.getImports()[0];
	Object[] elements= {importD};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled12() throws Exception {
	// printTestDisabledMessage("disabled due to bug 37750");
	// if (true)
	// return;
	IJavaElement importContainer= fCuA.getImportContainer();
	Object[] elements= {importContainer};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled13() throws Exception {
	Object classA= fCuA.getType("A");
	Object[] elements= {classA};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled14() throws Exception {
	Object methodFoo= fCuA.getType("A").getMethod("foo", new String[0]);
	Object[] elements= {methodFoo};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled15() throws Exception {
	Object fieldF= fCuA.getType("A").getField("f");
	Object[] elements= {fieldF};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled16() throws Exception {
	Object initializer= fCuA.getType("A").getInitializer(1);
	Object[] elements= {initializer};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled17() throws Exception {
	Object innerClass= fCuA.getType("A").getType("Inner");
	Object[] elements= {innerClass};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled18() throws Exception {
	Object fieldF= fCuA.getType("A").getField("f");
	Object methodFoo= fCuA.getType("A").getMethod("foo", new String[0]);
	Object innerClass= fCuA.getType("A").getType("Inner");
	Object initializer= fCuA.getType("A").getInitializer(1);
	Object[] elements= {fieldF, methodFoo, initializer, innerClass};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled19() throws Exception {
	// printTestDisabledMessage("disabled due to bug 37750");
	// if (true)
	// return;

	Object classA= fCuA.getType("A");
	Object importContainer= fCuA.getImportContainer();
	Object packDecl= fCuA.getPackageDeclarations()[0];
	Object[] elements= {classA, importContainer, packDecl};
	checkEnabled(elements);
	}

	@Test
	public void testEnabled20() throws Exception {
	checkEnabled(new Object[]{faTxt, fCuA});
	}

	@Test
	public void testEnabled21() throws Exception {
	checkEnabled(new Object[]{fOlder});
	}

	@Test
	public void testEnabled22() throws Exception {
	// printTestDisabledMessage("bug 39410");
	Object classA= fCuA.getType("A");
	Object packDecl= fCuA.getPackageDeclarations()[0];
	Object[] elements= {classA, packDecl};
	checkEnabled(elements);
	}
	}