Exercise RunAsyncCode class for prefetching fragments.
Recent changes to code splitting fixed a bug in RunAsyncCode.isLoaded().
I wanted to write a test to see that things were really working.
Review at http://gwt-code-reviews.appspot.com/1453805
git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@10307 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/src/com/google/gwt/core/client/impl/AsyncFragmentLoader.java b/user/src/com/google/gwt/core/client/impl/AsyncFragmentLoader.java
index 8c5e0af..8e315b6 100644
--- a/user/src/com/google/gwt/core/client/impl/AsyncFragmentLoader.java
+++ b/user/src/com/google/gwt/core/client/impl/AsyncFragmentLoader.java
@@ -93,13 +93,14 @@
*/
public static class StandardLogger implements Logger {
/**
- * Always use this as {@link isStatsAvailable} &&
+ * Always use this as {@link #isStatsAvailable()} &&
* {@link #stats(JavaScriptObject)}.
*/
private static native boolean stats(JavaScriptObject data) /*-{
return $stats(data);
}-*/;
+ @Override
public void logEventProgress(String eventGroup, String type, int fragment, int size) {
@SuppressWarnings("unused")
boolean toss =
@@ -211,6 +212,7 @@
this.fragment = myFragment;
}
+ @Override
public void loadTerminated(Throwable reason) {
if (fragmentLoading != fragment) {
// fragment already loaded successfully
@@ -600,6 +602,7 @@
if (!isLoading(fragment)) {
inject(fragment, new AsyncFragmentLoader.LoadTerminatedHandler() {
+ @Override
public void loadTerminated(Throwable reason) {
Object[] callbacks = allCallbacks[fragment];
if (callbacks != null) {
diff --git a/user/test/com/google/gwt/core/CoreSuite.java b/user/test/com/google/gwt/core/CoreSuite.java
index 170da31..72bdc4b 100644
--- a/user/test/com/google/gwt/core/CoreSuite.java
+++ b/user/test/com/google/gwt/core/CoreSuite.java
@@ -25,6 +25,7 @@
import com.google.gwt.core.client.impl.SchedulerImplTest;
import com.google.gwt.core.client.impl.StackTraceCreatorTest;
import com.google.gwt.core.client.impl.XhrLoadingStrategyTest;
+import com.google.gwt.core.client.prefetch.RunAsyncCodeTest;
import com.google.gwt.dev.StrictModeTest;
import com.google.gwt.junit.tools.GWTTestSuite;
@@ -49,6 +50,7 @@
suite.addTestSuite(StackTraceCreatorTest.class);
suite.addTestSuite(StrictModeTest.class);
suite.addTestSuite(XhrLoadingStrategyTest.class);
+ suite.addTestSuite(RunAsyncCodeTest.class);
// $JUnit-END$
return suite;
diff --git a/user/test/com/google/gwt/core/client/prefetch/RunAsyncCodeTest.java b/user/test/com/google/gwt/core/client/prefetch/RunAsyncCodeTest.java
new file mode 100644
index 0000000..1d59484
--- /dev/null
+++ b/user/test/com/google/gwt/core/client/prefetch/RunAsyncCodeTest.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright 2011 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.core.client.prefetch;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.core.client.RunAsyncCallback;
+import com.google.gwt.core.client.Scheduler;
+import com.google.gwt.core.client.Scheduler.RepeatingCommand;
+import com.google.gwt.junit.client.GWTTestCase;
+
+/**
+ * Exercises isLoaded() method in {@link RunAsyncCode}
+ */
+public class RunAsyncCodeTest extends GWTTestCase {
+ /**
+ * Used as a label for GWT.runAsync() call.
+ */
+ public static class IsLoadedMarker {
+ }
+
+ /**
+ * Used as a label for GWT.runAsync() call.
+ */
+ public static class TestPrefetchMarker {
+ }
+
+ public static final int ASYNC_DELAY_MSEC = 10000;
+
+ // Used to cancel the repeating timer in testPrefetch()
+ boolean cancelPrefetchTest = false;
+
+ @Override
+ public String getModuleName() {
+ return "com.google.gwt.core.Core";
+ }
+
+ @Override
+ public void gwtTearDown() {
+ cancelPrefetchTest = true;
+ }
+
+ /**
+ * Checks the return of isLoaded() to make sure it returns
+ * <code>false</false> for a yet to be referenced split point and <code>true</code>
+ * after onSuccess is called.
+ */
+ public void testIsLoaded() {
+ // This test is not applicable to DevMode
+ if (!GWT.isScript()) {
+ return;
+ }
+
+ delayTestFinish(ASYNC_DELAY_MSEC);
+ final RunAsyncCode prefetchSplitPoint = RunAsyncCode.runAsyncCode(IsLoadedMarker.class);
+ assertFalse(prefetchSplitPoint.isLoaded());
+
+ GWT.runAsync(IsLoadedMarker.class, new RunAsyncCallback() {
+ @Override
+ public void onFailure(Throwable reason) {
+ fail("runAsync() call failed.");
+ }
+
+ @Override
+ public void onSuccess() {
+ assertTrue(prefetchSplitPoint.isLoaded());
+ finishTest();
+ }
+ });
+ }
+
+ /**
+ * Make a call to {@link Prefetcher} to prefetch a split point and wait for it
+ * to be loaded before invoking it.
+ */
+ public void testPrefetch() {
+ cancelPrefetchTest = false;
+ // This test is not applicable to DevMode
+ if (!GWT.isScript()) {
+ return;
+ }
+
+ delayTestFinish(ASYNC_DELAY_MSEC);
+ final RunAsyncCode prefetchSplitPoint = RunAsyncCode.runAsyncCode(TestPrefetchMarker.class);
+ Prefetcher.prefetch(prefetchSplitPoint);
+
+ assertFalse(prefetchSplitPoint.isLoaded());
+ Prefetcher.start();
+
+ Scheduler.get().scheduleFixedDelay(new RepeatingCommand() {
+
+ @Override
+ public boolean execute() {
+ // gwtTearDown() will set this flag to stop the repeating timer if
+ // the test case is already finished due to a timeout.
+ if (cancelPrefetchTest) {
+ return false;
+ }
+
+ if (prefetchSplitPoint.isLoaded()) {
+ GWT.runAsync(TestPrefetchMarker.class, new RunAsyncCallback() {
+
+ @Override
+ public void onFailure(Throwable reason) {
+ fail("runAsync call failed.");
+ }
+
+ @Override
+ public void onSuccess() {
+ finishTest();
+ }
+ });
+ return false;
+ }
+ return true;
+ }
+ }, 50);
+ }
+}
