JavaBridgeTestBase.java revision a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7 
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
9/**
10 * Common functionality for testing the Java Bridge.
11 */
12public class JavaBridgeTestBase extends ContentViewTestBase {
13    protected class Controller {
14        private boolean mIsResultReady;
15
16        protected synchronized void notifyResultIsReady() {
17            mIsResultReady = true;
18            notify();
19        }
20        protected synchronized void waitForResult() {
21            while (!mIsResultReady) {
22                try {
23                    wait(5000);
24                } catch (Exception e) {
25                    continue;
26                }
27                if (!mIsResultReady) {
28                    Assert.fail("Wait timed out");
29                }
30            }
31            mIsResultReady = false;
32        }
33    }
34
35    protected void executeJavaScript(final String script) throws Throwable {
36        runTestOnUiThread(new Runnable() {
37            @Override
38            public void run() {
39                // When a JavaScript URL is executed, if the value of the last
40                // expression evaluated is not 'undefined', this value is
41                // converted to a string and used as the new document for the
42                // frame. We don't want this behaviour, so wrap the script in
43                // an anonymous function.
44                getContentView().loadUrl(new LoadUrlParams(
45                        "javascript:(function() { " + script + " })()"));
46            }
47        });
48    }
49}
50