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package org.eclipse.cdt.core.model.tests;
/**********************************************************************
* Copyright (c) 2002,2003 Rational Software Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v0.5
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v05.html
*
* Contributors:
* Rational Software - Initial API and implementation
***********************************************************************/
import java.io.FileInputStream;
import java.util.Iterator;
import java.util.Vector;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.eclipse.cdt.core.CCProjectNature;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.model.CModelException;
import org.eclipse.cdt.core.model.ElementChangedEvent;
import org.eclipse.cdt.core.model.IBuffer;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ICElementDelta;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.core.model.IElementChangedListener;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.internal.core.model.CModelManager;
import org.eclipse.cdt.internal.core.model.IWorkingCopy;
import org.eclipse.cdt.internal.core.model.TranslationUnit;
import org.eclipse.cdt.testplugin.CProjectHelper;
import org.eclipse.cdt.testplugin.TestPluginLauncher;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
/**
* Class for testing the C Element Delta Builder.
*/
public class ElementDeltaTests extends TestCase implements IElementChangedListener {
private ICProject fCProject;
private IFile headerFile;
private NullProgressMonitor monitor;
private Vector addedElements;
private Vector removedElements;
private Vector changedElements;
public static void main(String[] args) {
TestPluginLauncher.run(TestPluginLauncher.getLocationFromProperties(), WorkingCopyTests.class, args);
}
public static Test suite() {
TestSuite suite= new TestSuite(ElementDeltaTests.class.getName());
suite.addTest(new ElementDeltaTests("testElementDeltas"));
return suite;
}
public ElementDeltaTests(String name) {
super(name);
}
protected void setUp() throws Exception {
monitor = new NullProgressMonitor();
String pluginRoot=org.eclipse.core.runtime.Platform.getPlugin("org.eclipse.cdt.core.tests").find(new Path("/")).getFile();
fCProject= CProjectHelper.createCProject("TestProject1", "bin");
//Path filePath = new Path(ResourcesPlugin.getWorkspace().getRoot().getLocation().toString()+ fCProject.getPath().toString()+ "/WorkingCopyTest.h");
headerFile = fCProject.getProject().getFile("WorkingCopyTest.h");
if (!headerFile.exists()) {
try{
FileInputStream fileIn = new FileInputStream(pluginRoot+ "resources/cfiles/WorkingCopyTestStart.h");
headerFile.create(fileIn,false, monitor);
} catch (CoreException e) {
e.printStackTrace();
}
}
if (!fCProject.getProject().hasNature(CCProjectNature.CC_NATURE_ID)) {
addNatureToProject(fCProject.getProject(), CCProjectNature.CC_NATURE_ID, null);
}
// register with the model manager to listen to delta changes
CModelManager.getDefault().addElementChangedListener(this);
addedElements = new Vector(10);
removedElements = new Vector(10);
changedElements = new Vector(20);
CCorePlugin.getDefault().setUseNewParser(true);
}
private static void addNatureToProject(IProject proj, String natureId, IProgressMonitor monitor) throws CoreException {
IProjectDescription description = proj.getDescription();
String[] prevNatures= description.getNatureIds();
String[] newNatures= new String[prevNatures.length + 1];
System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length);
newNatures[prevNatures.length]= natureId;
description.setNatureIds(newNatures);
proj.setDescription(description, monitor);
}
protected void tearDown() throws Exception {
CProjectHelper.delete(fCProject);
}
public void testElementDeltas() throws Exception {
ITranslationUnit tu = new TranslationUnit(fCProject, headerFile);
assertNotNull (tu);
IWorkingCopy wc = tu.getWorkingCopy();
assertNotNull (wc);
assertNotNull (wc.getBuffer());
assertTrue (wc.exists());
// add the class Hello
IBuffer wcBuf = wc.getBuffer();
wcBuf.setContents ("\n class Hello{ \n};");
wc.reconcile();
wc.commit(true, monitor);
assertChangedElement(ICElement.C_MODEL, "");
assertChangedElement(ICElement.C_PROJECT, "TestProject1");
assertChangedElement(ICElement.C_UNIT, "WorkingCopyTest.h");
assertAddedElement(ICElement.C_CLASS, "Hello");
assertRemovedElement(ICElement.C_INCLUDE, "stdio.h");
assertEmptyDelta();
// add the field x
wcBuf.setContents ("\n class Hello{\n int x; \n};");
wc.reconcile();
wc.commit(true, monitor);
assertChangedElement(ICElement.C_MODEL, "");
assertChangedElement(ICElement.C_PROJECT, "TestProject1");
assertChangedElement(ICElement.C_UNIT, "WorkingCopyTest.h");
assertChangedElement(ICElement.C_CLASS, "Hello");
assertAddedElement(ICElement.C_FIELD, "x");
assertEmptyDelta();
// add the method setValue
wcBuf.setContents ("\n class Hello{\n int x; \n void setValue(int val); \n};");
wc.reconcile();
wc.commit(true, monitor);
assertChangedElement(ICElement.C_MODEL, "");
assertChangedElement(ICElement.C_PROJECT, "TestProject1");
assertChangedElement(ICElement.C_UNIT, "WorkingCopyTest.h");
assertChangedElement(ICElement.C_CLASS, "Hello");
assertAddedElement(ICElement.C_METHOD_DECLARATION, "setValue");
assertEmptyDelta();
// rename x to y
// this is not a change, this is add and remove
wcBuf.setContents ("\n class Hello{\n int y; \n void setValue(int val); \n};");
wc.reconcile();
wc.commit(true, monitor);
assertChangedElement(ICElement.C_MODEL, "");
assertChangedElement(ICElement.C_PROJECT, "TestProject1");
assertChangedElement(ICElement.C_UNIT, "WorkingCopyTest.h");
assertChangedElement(ICElement.C_CLASS, "Hello");
assertAddedElement(ICElement.C_FIELD, "y");
assertRemovedElement(ICElement.C_FIELD, "x");
assertEmptyDelta();
// remove the method
wcBuf.setContents ("\n class Hello{\n String y; \n};");
wc.reconcile();
wc.commit(true, monitor);
assertChangedElement(ICElement.C_MODEL, "");
assertChangedElement(ICElement.C_PROJECT, "TestProject1");
assertChangedElement(ICElement.C_UNIT, "WorkingCopyTest.h");
assertChangedElement(ICElement.C_CLASS, "Hello");
assertChangedElement(ICElement.C_FIELD, "y");
assertRemovedElement(ICElement.C_METHOD_DECLARATION, "setValue");
assertEmptyDelta();
// remove the field
wcBuf.setContents ("\n class Hello{ \n};");
wc.reconcile();
wc.commit(true, monitor);
assertChangedElement(ICElement.C_MODEL, "");
assertChangedElement(ICElement.C_PROJECT, "TestProject1");
assertChangedElement(ICElement.C_UNIT, "WorkingCopyTest.h");
assertChangedElement(ICElement.C_CLASS, "Hello");
assertRemovedElement(ICElement.C_FIELD, "y");
assertEmptyDelta();
// remove the class
wcBuf.setContents ("");
wc.reconcile();
wc.commit(true, monitor);
assertChangedElement(ICElement.C_MODEL, "");
assertChangedElement(ICElement.C_PROJECT, "TestProject1");
assertChangedElement(ICElement.C_UNIT, "WorkingCopyTest.h");
assertRemovedElement(ICElement.C_CLASS, "Hello");
assertEmptyDelta();
wc.destroy();
assertFalse(wc.exists());
}
public void assertAddedElement(int elementType, String elementName){
if(!isElementInList(elementType, elementName, addedElements))
fail("Element NOT found in Added list");
}
public void assertRemovedElement(int elementType, String elementName){
if(!isElementInList(elementType, elementName, removedElements))
fail("Element NOT found in Removed list");
}
public void assertChangedElement(int elementType, String elementName){
if(!isElementInList(elementType, elementName, changedElements))
fail("Element NOT found in Changed list");
}
public void assertEmptyDelta() {
assertTrue(addedElements.isEmpty());
assertTrue(removedElements.isEmpty());
assertTrue(changedElements.isEmpty());
}
public boolean isElementInList(int elementType, String elementName, Vector elementList) {
boolean found = false;
Iterator i = elementList.iterator();
while( i.hasNext()){
ICElement element = (ICElement)i.next();
if ((element.getElementName().equals(elementName)) &&
(element.getElementType() == elementType)){
// return true;
// just to print the whole list
found = true;
// Remove the element
elementList.remove(element);
break;
}
}
//return false;
return found;
}
public void elementChanged(ElementChangedEvent event){
try {
addedElements.clear();
removedElements.clear();
changedElements.clear();
processDelta(event.getDelta());
} catch(CModelException e) {
}
}
protected void processDelta(ICElementDelta delta) throws CModelException {
// check the delta elements
int kind= delta.getKind();
int flags= delta.getFlags();
ICElement element= delta.getElement();
// handle open and closing of a solution or project
if ((flags & ICElementDelta.F_CLOSED) != 0) {
}
if ((flags & ICElementDelta.F_OPENED) != 0) {
}
if (kind == ICElementDelta.REMOVED) {
removedElements.add(element);
}
if (kind == ICElementDelta.ADDED) {
addedElements.add(element);
}
if (kind == ICElementDelta.CHANGED) {
changedElements.add(element);
if (flags == ICElementDelta.F_MODIFIERS) {
}
if (flags == ICElementDelta.F_CONTENT) {
}
if (flags == ICElementDelta.F_CHILDREN) {
}
}
ICElementDelta[] affectedChildren= delta.getAffectedChildren();
for (int i= 0; i < affectedChildren.length; i++) {
processDelta(affectedChildren[i]);
}
}
}
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