Attachment 129303 Details for Bug 269248 – Example Test

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[patch] Example Test

treeSortPerformanceTest.patch (text/plain), 3.76 KB, created by James Blackburn

on 2009-03-18 19:10:49 EDT

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Creator: James Blackburn

Created: 2009-03-18 19:10:49 EDT

Size: 3.76 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.ui.tests.performance
>Index: src/org/eclipse/jface/tests/performance/Bug269248TreeViewerSorterPerformance.java
>===================================================================
>RCS file: src/org/eclipse/jface/tests/performance/Bug269248TreeViewerSorterPerformance.java
>diff -N src/org/eclipse/jface/tests/performance/Bug269248TreeViewerSorterPerformance.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jface/tests/performance/Bug269248TreeViewerSorterPerformance.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,117 @@
>+package org.eclipse.jface.tests.performance;
>+
>+import org.eclipse.jface.viewers.Viewer;
>+import org.eclipse.jface.viewers.ViewerSorter;
>+
>+/**
>+ * @since 3.5
>+ */
>+public class Bug269248TreeViewerSorterPerformance extends TreeTest {
>+
>+	private final String sortProp = "SORT";
>+
>+	private class Sorter extends ViewerSorter {
>+
>+		boolean reverse = false;
>+
>+		/* (non-Javadoc)
>+		 * @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
>+		 */
>+		public int compare(Viewer viewer, Object e1, Object e2) {
>+			if (reverse)
>+				return -super.compare(viewer, e1, e2);
>+			return super.compare(viewer, e1, e2);
>+		}
>+
>+		/* (non-Javadoc)
>+		 * @see org.eclipse.jface.viewers.ViewerComparator#sort(org.eclipse.jface.viewers.Viewer, java.lang.Object[])
>+		 */
>+		public void sort(Viewer viewer, Object[] elements) {
>+			long time = System.currentTimeMillis();
>+			super.sort(viewer, elements);
>+			System.out.println("#sort (" + elements.length + " element) time taken: " + (System.currentTimeMillis() - time));
>+		}
>+
>+		public boolean isSorterProperty(Object element, String property) {
>+			return sortProp.equals(property);
>+		};
>+
>+		public void reverse() {
>+			reverse = !reverse;
>+		}
>+	}
>+
>+	/**
>+	 * @param testName
>+	 * @param tagging
>+	 */
>+	public Bug269248TreeViewerSorterPerformance(String testName, int tagging) {
>+		super(testName, tagging);
>+	}
>+
>+	/**
>+	 * @param testName
>+	 */
>+	public Bug269248TreeViewerSorterPerformance(String testName) {
>+		super(testName);
>+	}
>+
>+	public void testTreeSortRefresh() {
>+		openBrowser();
>+
>+		Sorter s = new Sorter();
>+		viewer.setSorter(s);
>+
>+		TestTreeElement input = new TestTreeElement(0, null);
>+		viewer.setInput(input);
>+		input.createChildren(15000);
>+		processEvents();
>+		viewer.add(input, input.children);
>+
>+		long total = 0;
>+		for (int i = 0; i < 10; i++) {
>+			processEvents();
>+			s.reverse();
>+
>+			long start = System.currentTimeMillis();
>+//			startMeasuring();
>+			viewer.refresh();
>+//			stopMeasuring();
>+			total += System.currentTimeMillis() - start;
>+			System.out.println("Viewer refresh ("+ viewer.getTree().getItemCount() + " items) took: " + (System.currentTimeMillis() - start));
>+		}
>+		System.out.println("Average: " + total / 10);
>+//		commitMeasurements();
>+//		assertPerformance();
>+	}
>+
>+	public void testTreeSortUpdate() {
>+		openBrowser();
>+
>+		Sorter s = new Sorter();
>+		viewer.setSorter(s);
>+
>+		TestTreeElement input = new TestTreeElement(0, null);
>+		viewer.setInput(input);
>+		input.createChildren(15000);
>+		viewer.add(input, input.children);
>+
>+		long total = 0;
>+		for (int i = 0; i < 10; i++) {
>+			processEvents();
>+			s.reverse();
>+
>+			long start = System.currentTimeMillis();
>+//			startMeasuring();
>+			viewer.update(input, new String[] {sortProp});
>+//			stopMeasuring();
>+			total += System.currentTimeMillis() - start;
>+			System.out.println("Viewer update ("+ viewer.getTree().getItemCount() + " items) took: " + (System.currentTimeMillis() - start));
>+		}
>+		System.out.println("Average: " + total / 10);
>+
>+//		commitMeasurements();
>+//		assertPerformance();
>+	}
>+
>+}

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