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/*******************************************************************************
* Copyright (c) 2006 Wind River Systems, Inc. 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:
* Markus Schorn - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.ui.tests;
import java.io.IOException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Vector;
import junit.framework.AssertionFailedError;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestFailure;
import junit.framework.TestResult;
import junit.framework.TestSuite;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.Path;
import org.eclipse.swt.widgets.Display;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.cdt.core.index.IIndex;
import org.eclipse.cdt.core.index.IIndexFile;
import org.eclipse.cdt.core.model.CModelException;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.core.testplugin.util.TestSourceReader;
import org.eclipse.cdt.ui.testplugin.CTestPlugin;
public class BaseTestCase extends TestCase {
private boolean fExpectFailure= false;
private int fBugnumber= 0;
public BaseTestCase() {
super();
}
public BaseTestCase(String name) {
super(name);
}
protected static TestSuite suite(Class clazz) {
return suite(clazz, null);
}
protected static TestSuite suite(Class clazz, String failingTestPrefix) {
TestSuite suite= new TestSuite(clazz);
Test failing= getFailingTests(clazz, failingTestPrefix);
if (failing != null) {
suite.addTest(failing);
}
return suite;
}
private static Test getFailingTests(Class clazz, String prefix) {
TestSuite suite= new TestSuite("Failing Tests");
Vector names= new Vector();
if (Test.class.isAssignableFrom(clazz)) {
Method[] methods= clazz.getDeclaredMethods();
for (int i= 0; i < methods.length; i++) {
addFailingMethod(suite, methods[i], clazz, prefix);
}
}
if (suite.countTestCases() == 0) {
return null;
}
return suite;
}
private static void addFailingMethod(TestSuite suite, Method m, Class clazz, String prefix) {
String name= m.getName();
if (name.startsWith("test") || (prefix != null && !name.startsWith(prefix))) {
return;
}
if (Modifier.isPublic(m.getModifiers())) {
Class[] parameters= m.getParameterTypes();
Class returnType= m.getReturnType();
if (parameters.length == 0 && returnType.equals(Void.TYPE)) {
Test test= TestSuite.createTest(clazz, name);
((BaseTestCase) test).setExpectFailure(0);
suite.addTest(test);
}
}
}
public void run( TestResult result ) {
if (!fExpectFailure) {
super.run(result);
return;
}
result.startTest( this );
TestResult r = new TestResult();
super.run( r );
if (r.failureCount() == 1) {
TestFailure failure= (TestFailure) r.failures().nextElement();
String msg= failure.exceptionMessage();
if (msg != null && msg.startsWith("Method \"" + getName() + "\"")) {
result.addFailure(this, new AssertionFailedError(msg));
}
}
else if( r.errorCount() == 0 && r.failureCount() == 0 )
{
String err = "Unexpected success of " + getName();
if( fBugnumber > 0 ) {
err += ", bug #" + fBugnumber;
}
result.addFailure( this, new AssertionFailedError( err ) );
}
result.endTest( this );
}
public void setExpectFailure(int bugnumber) {
fExpectFailure= true;
fBugnumber= bugnumber;
}
/**
* Reads a section in comments form the source of the given class. Fully
* equivalent to <code>readTaggedComment(getClass(), tag)</code>
* @since 4.0
*/
protected String readTaggedComment(final String tag) throws IOException {
return TestSourceReader.readTaggedComment(CTestPlugin.getDefault().getBundle(), getClass(), tag);
}
protected IFile createFile(IContainer container, String fileName, String contents) throws Exception {
return TestSourceReader.createFile(container, new Path(fileName), contents);
}
protected IASTTranslationUnit createIndexBasedAST(IIndex index, ICProject project, IFile file) throws CModelException, CoreException {
ICElement elem= project.findElement(file.getFullPath());
if (elem instanceof ITranslationUnit) {
ITranslationUnit tu= (ITranslationUnit) elem;
if (tu != null) {
return tu.getAST(index, ITranslationUnit.AST_SKIP_INDEXED_HEADERS);
}
}
fail("Could not create ast for " + file.getFullPath());
return null;
}
protected void waitForIndexer(IIndex index, IFile file, int maxmillis) throws Exception {
long endTime= System.currentTimeMillis() + maxmillis;
do {
index.acquireReadLock();
try {
IIndexFile pfile= index.getFile(file.getLocation());
// mstodo check timestamp
if (pfile != null) {
return;
}
}
finally {
index.releaseReadLock();
}
Thread.sleep(50);
} while (System.currentTimeMillis() < endTime);
throw new Exception("Indexer did not complete in time!");
}
protected void runEventQueue(int time) {
long endTime= System.currentTimeMillis()+time;
do {
while (Display.getCurrent().readAndDispatch());
}
while(System.currentTimeMillis() < endTime);
}
}
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