MediaRecorderPrepareStateUnitTest.java revision 9066cfe9886ac131c34d59ed0e2d287b0e3c0087 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.mediaframeworktest.unit;
18
19import android.media.MediaRecorder;
20import android.test.AndroidTestCase;
21import android.test.suitebuilder.annotation.MediumTest;
22import android.test.suitebuilder.annotation.Suppress;
23import java.io.IOException;
24
25/**
26 * Unit test class to test the set of valid and invalid states that
27 * MediaRecorder.prepare() method can be called.
28 */
29public class MediaRecorderPrepareStateUnitTest extends AndroidTestCase implements MediaRecorderMethodUnderTest {
30    private MediaRecorderStateUnitTestTemplate mTestTemplate = new MediaRecorderStateUnitTestTemplate();
31
32    /**
33     * 1. It is valid to call prepare() in the following states:
34     *    {DataSourceConfigured}.
35     * 2. It is invalid to call prepare() in the following states:
36     *    {Prepared, Initial, Initialized, Recording, Error}
37     *
38     * @param stateErrors the MediaRecorderStateErrors to check against.
39     */
40    public void checkStateErrors(MediaRecorderStateErrors stateErrors) {
41        // Valid states.
42        assertTrue(!stateErrors.errorInDataSourceConfiguredState);
43
44        // Invalid states.
45        assertTrue(stateErrors.errorInPreparedState);
46        assertTrue(stateErrors.errorInRecordingState);
47        assertTrue(stateErrors.errorInInitialState);
48        assertTrue(stateErrors.errorInInitialStateAfterReset);
49        assertTrue(stateErrors.errorInInitialStateAfterStop);
50        assertTrue(stateErrors.errorInInitializedState);
51        assertTrue(stateErrors.errorInErrorState);
52    }
53
54    public void invokeMethodUnderTest(MediaRecorder recorder) {
55        try {
56            recorder.prepare();
57        } catch (IOException exception) {
58            throw new RuntimeException();
59        }
60    }
61
62    @MediumTest
63    public void testPrepare() {
64        mTestTemplate.runTestOnMethod(this);
65    }
66
67    @Override
68    public String toString() {
69        return "prepare()";
70    }
71}
72