Introduces DomEventBenchmark.java
git-svn-id: https://google-web-toolkit.googlecode.com/svn/releases/1.6@3889 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/test/com/google/gwt/user/client/ui/DomEventBenchmark.java b/user/test/com/google/gwt/user/client/ui/DomEventBenchmark.java
new file mode 100644
index 0000000..467afd6
--- /dev/null
+++ b/user/test/com/google/gwt/user/client/ui/DomEventBenchmark.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.gwt.user.client.ui;
+
+import com.google.gwt.benchmarks.client.Benchmark;
+import com.google.gwt.benchmarks.client.IntRange;
+import com.google.gwt.benchmarks.client.Operator;
+import com.google.gwt.benchmarks.client.RangeField;
+import com.google.gwt.benchmarks.client.Setup;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Measures the speed with which event handlers can be added and removed to a
+ * few simple UI classes. This is here to allow us to compare the performance of
+ * the old event listeners and the new event handlers. This first version, of
+ * course, can only look at listeners, as handlers aren't here yet.
+ */
+public class DomEventBenchmark extends Benchmark {
+
+ /**
+ * Whether to use old listeners or new handlers.
+ */
+ // protected enum RegistrationStyle {
+ // OLD_LISTENERS, NEW_HANDLERS
+ // }
+ private static final int NUM_WIDGETS = 250;
+
+ protected final IntRange listenerRange =
+ new IntRange(10, 10000, Operator.MULTIPLY, 10);
+
+ private List<SimpleCheckBox> widgets;
+
+ private List<ClickListener> listeners;
+
+ @Override
+ public String getModuleName() {
+ return "com.google.gwt.user.User";
+ }
+
+ // Required for JUnit
+ public void testSimpleCheckBoxAddAndRemoveForClicks() {
+ }
+
+ @Setup("reset")
+ public void testSimpleCheckBoxAddAndRemoveForClicks(
+ // @RangeEnum(RegistrationStyle.class) RegistrationStyle style,
+ @RangeField("listenerRange")
+ Integer numListeners) {
+
+ // The RegistrationStyle blank is here to be filled in when handlers arrive.
+ // Until then, just run the tests twice.
+
+ // if (RegistrationStyle.OLD_LISTENERS == style) {
+ for (SimpleCheckBox cb : widgets) {
+ for (int i = 0; i < numListeners; i++) {
+ cb.addClickListener(listeners.get(i));
+ }
+ }
+ for (SimpleCheckBox cb : widgets) {
+ for (int i = 0; i < numListeners; i++) {
+ cb.removeClickListener(listeners.get(i));
+ }
+ }
+ // }
+ }
+
+ // Required for JUnit
+ public void testSimpleCheckBoxAddForClicks() {
+ }
+
+ @Setup("reset")
+ public void testSimpleCheckBoxAddForClicks(
+ // @RangeEnum(RegistrationStyle.class) RegistrationStyle style,
+ @RangeField("listenerRange")
+ Integer numListeners) {
+
+ // The RegistrationStyle blank is here to be filled in when handlers arrive.
+ // Until then, just run the tests twice.
+
+ // if (RegistrationStyle.OLD_LISTENERS == style) {
+ for (SimpleCheckBox cb : widgets) {
+ for (int i = 0; i < numListeners; i++) {
+ cb.addClickListener(listeners.get(i));
+ }
+ }
+ // }
+ }
+
+ void reset(/* RegistrationStyle style , */Integer numListeners) {
+ RootPanel root = RootPanel.get();
+ root.clear();
+ widgets = new ArrayList<SimpleCheckBox>();
+ listeners = new ArrayList<ClickListener>();
+
+ for (int i = 0; i < NUM_WIDGETS; i++) {
+ SimpleCheckBox cb = new SimpleCheckBox();
+ widgets.add(cb);
+ root.add(cb);
+ }
+
+ for (int i = 0; i < numListeners; i++) {
+ listeners.add(new ClickListener() {
+ public void onClick(Widget sender) {
+ }
+ });
+ }
+ }
+
+ // /**
+ // * Cannot do this until we fix our inability to synthesize events,
+ // * pending...
+ // */
+ // public void testDispatch() {
+ //
+ // }
+}
