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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.MediaRecorder;
     20 import android.test.AndroidTestCase;
     21 import android.test.suitebuilder.annotation.MediumTest;
     22 import android.test.suitebuilder.annotation.Suppress;
     23 import 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  */
     29 public 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