| /* |
| * 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); |
| } |
| } |