src/content/public/android/javatests/src/org/chromium/content/browser/WebContentsObserverAndroidTest.java

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 package org.chromium.content.browser;
   6
   7 import android.test.suitebuilder.annotation.SmallTest;
   8
   9 import org.chromium.base.ThreadUtils;
  10 import org.chromium.base.test.util.Feature;
  11 import org.chromium.base.test.util.UrlUtils;
  12 import org.chromium.content.browser.test.util.CallbackHelper;
  13 import org.chromium.content_public.browser.WebContents;
  14 import org.chromium.content_shell_apk.ContentShellActivity;
  15 import org.chromium.content_shell_apk.ContentShellTestBase;
  16
  17 import java.util.concurrent.Callable;
  18
  19 /**
  20  * Tests for the WebContentsObserverAndroid APIs.
  21  */
  22 public class WebContentsObserverAndroidTest extends ContentShellTestBase {
  23     private static final String URL = UrlUtils.encodeHtmlDataUri(
  24             "<html><head></head><body>didFirstVisuallyNonEmptyPaint test</body></html>");
  25
  26     private static class TestWebContentsObserverAndroid extends WebContentsObserverAndroid {
  27         private CallbackHelper mDidFirstVisuallyNonEmptyPaintCallbackHelper = new CallbackHelper();
  28
  29         public TestWebContentsObserverAndroid(WebContents webContents) {
  30             super(webContents);
  31         }
  32
  33         public CallbackHelper getDidFirstVisuallyNonEmptyPaintCallbackHelper() {
  34             return mDidFirstVisuallyNonEmptyPaintCallbackHelper;
  35         }
  36
  37         @Override
  38         public void didFirstVisuallyNonEmptyPaint() {
  39             mDidFirstVisuallyNonEmptyPaintCallbackHelper.notifyCalled();
  40         }
  41     }
  42
  43     @Override
  44     protected void setUp() throws Exception {
  45         super.setUp();
  46         ContentShellActivity activity = launchContentShellWithUrl(null);
  47         assertNotNull(activity);
  48         waitForActiveShellToBeDoneLoading();
  49     }
  50
  51     @SmallTest
  52     @Feature({"Navigation"})
  53     public void testDidFirstVisuallyNonEmptyPaint() throws Throwable {
  54         TestWebContentsObserverAndroid observer = ThreadUtils.runOnUiThreadBlocking(
  55                 new Callable<TestWebContentsObserverAndroid>() {
  56                     @Override
  57                     public TestWebContentsObserverAndroid call() throws Exception {
  58                         return new TestWebContentsObserverAndroid(
  59                                 getContentViewCore().getWebContents());
  60                     }
  61                 });
  62
  63         int callCount = observer.getDidFirstVisuallyNonEmptyPaintCallbackHelper().getCallCount();
  64         getInstrumentation().runOnMainSync(new Runnable() {
  65             @Override
  66             public void run() {
  67                 getContentViewCore().loadUrl(new LoadUrlParams(URL));
  68             }
  69         });
  70         observer.getDidFirstVisuallyNonEmptyPaintCallbackHelper().waitForCallback(callCount);
  71     }
  72 }