/*******************************************************************************
* Copyright (c) 2007, 2015 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.debug.tests.viewer.model;
import junit.framework.TestCase;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.viewers.model.ChildrenUpdate;
import org.eclipse.debug.internal.ui.viewers.model.IInternalTreeModelViewer;
import org.eclipse.debug.internal.ui.viewers.model.ILabelUpdateListener;
import org.eclipse.debug.internal.ui.viewers.model.TreeModelContentProvider;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelChangedListener;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IStateUpdateListener;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdateListener;
import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.jface.viewers.ViewerLabel;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
/**
* Tests coalescing of children update requests.
*
* @since 3.3
*/
public class ChildrenUpdateTests extends TestCase {
class BogusModelContentProvider extends TreeModelContentProvider {
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.viewers.model.ModelContentProvider#getViewer()
*/
@Override
protected IInternalTreeModelViewer getViewer() {
return new IInternalTreeModelViewer(){
@Override
public void setSelection(ISelection selection) {}
@Override
public void removeSelectionChangedListener(ISelectionChangedListener listener) {}
@Override
public void addSelectionChangedListener(ISelectionChangedListener listener) {}
@Override
public void updateViewer(IModelDelta delta) {}
@Override
public void setSelection(ISelection selection, boolean reveal, boolean force) {}
@Override
public void clearSelectionQuiet() {}
@Override
public boolean trySelection(ISelection selection, boolean reveal, boolean force) { return true; }
@Override
public void setInput(Object object) {}
@Override
public void setAutoExpandLevel(int level) {}
@Override
public boolean saveElementState(TreePath path, ModelDelta delta, int flags) { return true; }
@Override
public void removeStateUpdateListener(IStateUpdateListener listener) {}
@Override
public void removeViewerUpdateListener(IViewerUpdateListener listener) {}
@Override
public void removeModelChangedListener(IModelChangedListener listener) {}
@Override
public void removeLabelUpdateListener(ILabelUpdateListener listener) {}
@Override
public void addViewerUpdateListener(IViewerUpdateListener listener) {}
@Override
public void addStateUpdateListener(IStateUpdateListener listener) {}
@Override
public void addModelChangedListener(IModelChangedListener listener) {}
@Override
public void addLabelUpdateListener(ILabelUpdateListener listener) {}
@Override
public void update(Object element) {}
@Override
public void setHasChildren(Object elementOrTreePath, boolean hasChildren) {}
@Override
public void setExpandedState(Object elementOrTreePath, boolean expanded) {}
@Override
public void setChildCount(Object elementOrTreePath, int count) {}
@Override
public void reveal(TreePath path, int index) {}
@Override
public void replace(Object parentOrTreePath, int index, Object element) {}
@Override
public void remove(Object parentOrTreePath, int index) {}
@Override
public void remove(Object elementOrTreePath) {}
@Override
public void refresh() {}
@Override
public void refresh(Object element) {}
@Override
public ISelection getSelection() {
return null;
}
@Override
public IPresentationContext getPresentationContext() {
return null;
}
@Override
public Object getInput() {
return null;
}
@Override
public ViewerLabel getElementLabel(TreePath path, String columnId) {
return null;
}
@Override
public Display getDisplay() {
return DebugUIPlugin.getStandardDisplay();
}
@Override
public int getAutoExpandLevel() {
return 0;
}
@Override
public boolean overrideSelection(ISelection current, ISelection candidate) {
return false;
}
@Override
public void insert(Object parentOrTreePath, Object element, int position) {
}
@Override
public TreePath getTopElementPath() {
return null;
}
@Override
public ViewerFilter[] getFilters() {
return null;
}
@Override
public void addFilter(ViewerFilter filter) {}
@Override
public void setFilters(ViewerFilter... filters) {
}
@Override
public boolean getExpandedState(Object elementOrTreePath) {
return false;
}
@Override
public Object getChildElement(TreePath path, int index) {
return null;
}
@Override
public boolean getHasChildren(Object elementOrTreePath) {
return false;
}
@Override
public int getChildCount(TreePath path) {
return 0;
}
@Override
public int findElementIndex(TreePath parentPath, Object element) {
return 0;
}
@Override
public void expandToLevel(Object elementOrTreePath, int level) {
}
@Override
public void autoExpand(TreePath elementPath) {
}
@Override
public boolean getElementChildrenRealized(TreePath parentPath) {
return false;
}
@Override
public boolean getElementChecked(TreePath path) {
return false;
}
@Override
public boolean getElementGrayed(TreePath path) {
return false;
}
@Override
public void setElementChecked(TreePath path, boolean checked, boolean grayed) {
}
@Override
public TreePath[] getElementPaths(Object element) {
return null;
}
@Override
public void setElementData(TreePath path, int numColumns, String[] labels, ImageDescriptor[] images,
FontData[] fontDatas, RGB[] foregrounds, RGB[] backgrounds) {
}
@Override
public String[] getVisibleColumns() {
return null;
}
};
}
}
/**
* @param name
*/
public ChildrenUpdateTests(String name) {
super(name);
}
protected TreeModelContentProvider getContentProvider() {
return new BogusModelContentProvider();
}
/**
* Tests coalescing of requests
*/
public void testCoalesce () {
Object element = new Object();
TreeModelContentProvider cp = getContentProvider();
ChildrenUpdate update1 = new ChildrenUpdate(cp, element, TreePath.EMPTY, element, 1, null);
ChildrenUpdate update2 = new ChildrenUpdate(cp, element, TreePath.EMPTY, element, 2, null);
assertTrue("Should coalesce", update1.coalesce(update2)); //$NON-NLS-1$
assertEquals("Wrong offset", 1, update1.getOffset()); //$NON-NLS-1$
assertEquals("Wrong length", 2, update1.getLength()); //$NON-NLS-1$
update2 = new ChildrenUpdate(cp, element, TreePath.EMPTY, element, 3, null);
assertTrue("Should coalesce", update1.coalesce(update2)); //$NON-NLS-1$
assertEquals("Wrong offset", 1, update1.getOffset()); //$NON-NLS-1$
assertEquals("Wrong length", 3, update1.getLength()); //$NON-NLS-1$
update2 = new ChildrenUpdate(cp, element, TreePath.EMPTY, element, 2, null);
assertTrue("Should coalesce", update1.coalesce(update2)); //$NON-NLS-1$
assertEquals("Wrong offset", 1, update1.getOffset()); //$NON-NLS-1$
assertEquals("Wrong length", 3, update1.getLength()); //$NON-NLS-1$
update2 = new ChildrenUpdate(cp, element, TreePath.EMPTY, element, 5, null);
assertFalse("Should not coalesce", update1.coalesce(update2)); //$NON-NLS-1$
assertEquals("Wrong offset", 1, update1.getOffset()); //$NON-NLS-1$
assertEquals("Wrong length", 3, update1.getLength()); //$NON-NLS-1$
}
}