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      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 
     17 package com.android.mediaframeworktest.unit;
     18 
     19 import android.media.MediaPlayer;
     20 import android.media.AudioManager;
     21 import android.test.AndroidTestCase;
     22 import android.test.suitebuilder.annotation.LargeTest;
     23 
     24 /**
     25  * Unit test class to test the set of valid and invalid states that
     26  * MediaPlayer.setAudioStreamType() method can be called.
     27  */
     28 public class MediaPlayerSetAudioStreamTypeStateUnitTest extends AndroidTestCase implements MediaPlayerMethodUnderTest {
     29     private MediaPlayerStateUnitTestTemplate mTestTemplate = new MediaPlayerStateUnitTestTemplate();
     30 
     31     /**
     32      * 1. It is valid to call setAudioStreamType() in the following states:
     33      *    {Idle, Initialized, Stopped, Prepared, Started, Paused, PlaybackComplted}.
     34      * 2. It is invalid to call setAudioStreamType() in the following states:
     35      *    {Error}
     36      *
     37      * @param stateErrors the MediaPlayerStateErrors to check against.
     38      */
     39     public void checkStateErrors(MediaPlayerStateErrors stateErrors) {
     40         // Valid states.
     41         assertTrue(!stateErrors.errorInIdleState);
     42         assertTrue(!stateErrors.errorInIdleStateAfterReset);
     43         assertTrue(!stateErrors.errorInPreparedStateAfterStop);
     44         assertTrue(!stateErrors.errorInStartedState);
     45         assertTrue(!stateErrors.errorInStartedStateAfterPause);
     46         assertTrue(!stateErrors.errorInPausedState);
     47         assertTrue(!stateErrors.errorInPreparedState);
     48         assertTrue(!stateErrors.errorInPlaybackCompletedState);
     49         assertTrue(!stateErrors.errorInInitializedState);
     50         assertTrue(!stateErrors.errorInStoppedState);
     51 
     52         // Invalid states.
     53         assertTrue(stateErrors.errorInErrorState);
     54     }
     55 
     56     public void invokeMethodUnderTest(MediaPlayer player) {
     57         player.setAudioStreamType(AudioManager.STREAM_MUSIC);
     58     }
     59 
     60     @LargeTest
     61     public void testSetAudioStreamType() {
     62         mTestTemplate.runTestOnMethod(this);
     63     }
     64 
     65     @Override
     66     public String toString() {
     67         return "setAudioStreamType()";
     68     }
     69 }
     70