JavaBridgeTestBase.java revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
1// Copyright 2012 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
5package org.chromium.content.browser;
6
7import junit.framework.Assert;
8
9import org.chromium.content_public.browser.LoadUrlParams;
10
11/**
12 * Common functionality for testing the Java Bridge.
13 */
14public class JavaBridgeTestBase extends ContentViewTestBase {
15    protected class Controller {
16        private boolean mIsResultReady;
17
18        protected synchronized void notifyResultIsReady() {
19            mIsResultReady = true;
20            notify();
21        }
22        protected synchronized void waitForResult() {
23            while (!mIsResultReady) {
24                try {
25                    wait(5000);
26                } catch (Exception e) {
27                    continue;
28                }
29                if (!mIsResultReady) {
30                    Assert.fail("Wait timed out");
31                }
32            }
33            mIsResultReady = false;
34        }
35    }
36
37    protected void executeJavaScript(final String script) throws Throwable {
38        runTestOnUiThread(new Runnable() {
39            @Override
40            public void run() {
41                // When a JavaScript URL is executed, if the value of the last
42                // expression evaluated is not 'undefined', this value is
43                // converted to a string and used as the new document for the
44                // frame. We don't want this behaviour, so wrap the script in
45                // an anonymous function.
46                getContentViewCore().getWebContents().getNavigationController().loadUrl(
47                        new LoadUrlParams("javascript:(function() { " + script + " })()"));
48            }
49        });
50    }
51}
52