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/*******************************************************************************
* Copyright (c) 2004, 2014 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
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.ui.tests.text.contentassist;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import org.eclipse.cdt.core.dom.IPDOMManager;
import org.eclipse.cdt.core.model.CModelException;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.core.model.IWorkingCopy;
import org.eclipse.cdt.core.testplugin.CProjectHelper;
import org.eclipse.cdt.internal.ui.CHelpProviderManager;
import org.eclipse.cdt.internal.ui.editor.CEditor;
import org.eclipse.cdt.internal.ui.text.CHelpBookDescriptor;
import org.eclipse.cdt.internal.ui.text.contentassist.CContentAssistProcessor;
import org.eclipse.cdt.ui.tests.BaseUITestCase;
import org.eclipse.cdt.ui.text.ICHelpInvocationContext;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.text.contentassist.ContentAssistant;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.FileEditorInput;
import junit.framework.Test;
import junit.framework.TestSuite;
/**
* @author aniefer
*/
public class ContentAssistTests extends BaseUITestCase {
private final NullProgressMonitor monitor = new NullProgressMonitor();
static IProject project;
static ICProject cproject;
static boolean disabledHelpContributions;
@Override
public void setUp() throws InterruptedException {
//(CCorePlugin.getDefault().getCoreModel().getIndexManager()).reset();
if (project == null) {
try {
cproject = CProjectHelper.createCCProject("ContentAssistTestProject", "bin", //$NON-NLS-1$//$NON-NLS-2$
IPDOMManager.ID_FAST_INDEXER);
project = cproject.getProject();
waitForIndexer(cproject);
} catch (CoreException e) {
/*boo*/
}
if (project == null)
fail("Unable to create project"); //$NON-NLS-1$
}
}
public ContentAssistTests() {
super();
}
/**
* @param name
*/
public ContentAssistTests(String name) {
super(name);
}
private void disableContributions() {
//disable the help books so we don't get proposals we weren't expecting
CHelpBookDescriptor helpBooks[];
helpBooks = CHelpProviderManager.getDefault().getCHelpBookDescriptors(new ICHelpInvocationContext() {
@Override
public IProject getProject() {
return project;
}
@Override
public ITranslationUnit getTranslationUnit() {
return null;
}
});
for (CHelpBookDescriptor helpBook : helpBooks) {
if (helpBook != null)
helpBook.enable(false);
}
}
public static Test suite() {
TestSuite suite = suite(ContentAssistTests.class, "_");
suite.addTest(new ContentAssistTests("cleanupProject")); //$NON-NLS-1$
return suite;
}
public void cleanupProject() throws Exception {
closeAllEditors();
try {
project.delete(true, false, monitor);
project = null;
} catch (Throwable e) {
/*boo*/
}
}
@Override
protected void tearDown() throws Exception {
if (project == null || !project.exists())
return;
closeAllEditors();
// wait for indexer before deleting project to avoid errors in the log
waitForIndexer(cproject);
IResource[] members = project.members();
for (IResource member : members) {
if (member.getName().equals(".project") || member.getName().equals(".cproject")) //$NON-NLS-1$ //$NON-NLS-2$
continue;
if (member.getName().equals(".settings"))
continue;
try {
member.delete(false, monitor);
} catch (Throwable e) {
/*boo*/
}
}
}
protected IFile importFile(String fileName, String contents) throws Exception {
// Obtain file handle
IFile file = project.getProject().getFile(fileName);
InputStream stream = new ByteArrayInputStream(contents.getBytes());
// Create file input stream
if (file.exists()) {
file.setContents(stream, false, false, monitor);
} else {
file.create(stream, false, monitor);
}
return file;
}
protected ICompletionProposal[] getResults(IFile file, int offset) throws Exception {
if (!disabledHelpContributions)
disableContributions();
ITranslationUnit tu = (ITranslationUnit) CoreModel.getDefault().create(file);
String buffer = tu.getBuffer().getContents();
IWorkingCopy wc = null;
try {
wc = tu.getWorkingCopy();
} catch (CModelException e) {
fail("Failed to get working copy"); //$NON-NLS-1$
}
// call the ContentAssistProcessor
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
FileEditorInput editorInput = new FileEditorInput(file);
IEditorPart editorPart = page.openEditor(editorInput, "org.eclipse.cdt.ui.editor.CEditor");
CEditor editor = (CEditor) editorPart;
IAction completionAction = editor.getAction("ContentAssistProposal");
String contentType = editor.getViewer().getDocument().getContentType(offset);
ContentAssistant assistant = new ContentAssistant();
CContentAssistProcessor processor = new CContentAssistProcessor(editor, assistant, contentType);
return processor.computeCompletionProposals(editor.getViewer(), offset);
}
public void testBug69334a() throws Exception {
importFile("test.h", "class Test{ public : Test( int ); }; \n"); //$NON-NLS-1$//$NON-NLS-2$
StringBuilder buf = new StringBuilder();
buf.append("#include \"test.h\" \n"); //$NON-NLS-1$
buf.append("Test::Test( int i ) { return; } \n"); //$NON-NLS-1$
buf.append("int main() { \n"); //$NON-NLS-1$
buf.append(" int veryLongName = 1; \n"); //$NON-NLS-1$
buf.append(" Test * ptest = new Test( very \n"); //$NON-NLS-1$
String code = buf.toString();
IFile cu = importFile("test.cpp", code); //$NON-NLS-1$
ICompletionProposal[] results = getResults(cu, code.indexOf("very ") + 4); //$NON-NLS-1$
assertEquals(1, results.length);
assertEquals("veryLongName : int", results[0].getDisplayString()); //$NON-NLS-1$
}
public void testBug69334b() throws Exception {
importFile("test.h", "class Test{ public : Test( int ); }; \n"); //$NON-NLS-1$//$NON-NLS-2$
StringBuilder buf = new StringBuilder();
buf.append("#include \"test.h\" \n"); //$NON-NLS-1$
buf.append("Test::Test( int i ) { return; } \n"); //$NON-NLS-1$
buf.append("int main() { \n"); //$NON-NLS-1$
buf.append(" int veryLongName = 1; \n"); //$NON-NLS-1$
buf.append(" Test test( very \n"); //$NON-NLS-1$
String code = buf.toString();
IFile cu = importFile("test.cpp", code); //$NON-NLS-1$
ICompletionProposal[] results = getResults(cu, code.indexOf("very ") + 4); //$NON-NLS-1$
assertEquals(1, results.length);
assertEquals("veryLongName : int", results[0].getDisplayString()); //$NON-NLS-1$
}
public void testBug72824() throws Exception {
StringBuilder buf = new StringBuilder();
buf.append("class Strategy { \n"); //$NON-NLS-1$
buf.append("public : \n"); //$NON-NLS-1$
buf.append(" enum _Ability { IDIOT, NORMAL, CHEAT } ; \n"); //$NON-NLS-1$
buf.append(" Strategy( _Ability a ) { } \n"); //$NON-NLS-1$
buf.append(" _Ability getAbility(); \n"); //$NON-NLS-1$
buf.append("}; \n"); //$NON-NLS-1$
buf.append("int main(){ \n"); //$NON-NLS-1$
String code = buf.toString();
String c2 = code + " Strategy *p[3] = { new Strategy( Str \n"; //$NON-NLS-1$
IFile cu = importFile("strategy.cpp", c2); //$NON-NLS-1$
ICompletionProposal[] results = getResults(cu, c2.indexOf("Str ") + 3); //$NON-NLS-1$
assertEquals(1, results.length);
assertEquals("Strategy", results[0].getDisplayString()); //$NON-NLS-1$
c2 = code + " Strategy *p[3] = { new Strategy( Strategy:: \n"; //$NON-NLS-1$
cu = importFile("strategy.cpp", c2); //$NON-NLS-1$
results = getResults(cu, c2.indexOf("::") + 2); //$NON-NLS-1$
assertEquals(4, results.length);
assertEquals("CHEAT", results[0].getDisplayString()); //$NON-NLS-1$
assertEquals("IDIOT", results[1].getDisplayString()); //$NON-NLS-1$
assertEquals("NORMAL", results[2].getDisplayString()); //$NON-NLS-1$
// "_Ability" is here due to fix for bug 199598
// Difficult to differentiate between declaration and expression context
assertEquals("_Ability", results[3].getDisplayString()); //$NON-NLS-1$
// in a method definition context, constructors and methods should be proposed
c2 = code + "return 0;}\nStrategy::\n"; //$NON-NLS-1$
cu = importFile("strategy.cpp", c2); //$NON-NLS-1$
results = getResults(cu, c2.indexOf("::") + 2); //$NON-NLS-1$
assertEquals(3, results.length);
assertEquals("getAbility(void) : enum Strategy::_Ability", results[1].getDisplayString()); //$NON-NLS-1$
assertEquals("Strategy(enum Strategy::_Ability a)", results[0].getDisplayString()); //$NON-NLS-1$
assertEquals("_Ability", results[2].getDisplayString()); //$NON-NLS-1$
}
public void testBug72559() throws Exception {
StringBuilder buf = new StringBuilder();
buf.append("void foo(){ \n"); //$NON-NLS-1$
buf.append(" int var; \n"); //$NON-NLS-1$
buf.append(" { \n"); //$NON-NLS-1$
buf.append(" float var; \n"); //$NON-NLS-1$
buf.append(" v \n"); //$NON-NLS-1$
buf.append(" } \n"); //$NON-NLS-1$
buf.append("} \n"); //$NON-NLS-1$
String code = buf.toString();
IFile cu = importFile("t.cpp", code); //$NON-NLS-1$
ICompletionProposal[] results = getResults(cu, code.indexOf("v ") + 1); //$NON-NLS-1$
assertEquals(results.length, 3);
assertEquals(results[0].getDisplayString(), "var : float"); //$NON-NLS-1$
assertEquals(results[1].getDisplayString(), "virtual"); //$NON-NLS-1$
assertEquals(results[2].getDisplayString(), "volatile"); //$NON-NLS-1$
}
}
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