| /******************************************************************************* |
| * Copyright (c) 2007 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.jface.tests.performance; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.test.performance.Dimension; |
| import org.eclipse.ui.tests.performance.TestRunnable; |
| |
| /** |
| * ShrinkingTreeTest is a test to see how long it takes to refresh a tree that goes |
| * from a large item count to a smaller one. |
| * @since 3.3 |
| * |
| */ |
| public class ShrinkingTreeTest extends TreeTest { |
| |
| |
| /** |
| * Create a new instance of the receiver. |
| * |
| * @param testName |
| */ |
| public ShrinkingTreeTest(String testName) { |
| super(testName); |
| } |
| |
| public ShrinkingTreeTest(String testName, int tagging) { |
| super(testName, tagging); |
| } |
| |
| public void testTreeViewerRefresh() throws CoreException { |
| |
| tagIfNecessary("JFace - Refresh from 1000 items to 100 items", |
| Dimension.ELAPSED_PROCESS); |
| |
| openBrowser(); |
| // int smallCount = 1; |
| // for (int i = 0; i < 3; i++) { |
| // |
| // int largeCount = smallCount * 10; |
| // for (int j = 0; j < 2; j++) { |
| // System.out.println("Small " + String.valueOf(smallCount) |
| // + "Large " + String.valueOf(largeCount)); |
| testRefresh(100, 1000); |
| // largeCount *= 10; |
| // } |
| // smallCount *= 10; |
| // } |
| } |
| |
| /** |
| * Run the test for one of the fast insertions. |
| * |
| * @param count |
| * @throws CoreException |
| */ |
| private void testRefresh(final int smallSize, final int largeSize) |
| throws CoreException { |
| |
| exercise(new TestRunnable() { |
| public void run() { |
| |
| TestTreeElement input = new TestTreeElement(0, null); |
| viewer.setInput(input); |
| input.createChildren(largeSize); |
| |
| processEvents(); |
| viewer.refresh(); |
| viewer.expandAll(); |
| input.createChildren(smallSize); |
| startMeasuring(); |
| viewer.refresh(); |
| |
| stopMeasuring(); |
| |
| } |
| }, MIN_ITERATIONS, ITERATIONS, JFacePerformanceSuite.MAX_TIME); |
| |
| commitMeasurements(); |
| assertPerformance(); |
| |
| } |
| |
| |
| |
| } |