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Android example source code file (MediaPlayerGetDurationStateUnitTest.java)

This example Android source code file (MediaPlayerGetDurationStateUnitTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM.

Java - Android tags/keywords

android, androidtestcase, largetest, media, mediaplayergetdurationstateunittest, mediaplayermethodundertest, mediaplayerstateunittesttemplate, override, photo, sound, string, test, video

The MediaPlayerGetDurationStateUnitTest.java Android example source code

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.mediaframeworktest.unit;

import android.media.MediaPlayer;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;

/**
 * Unit test class to test the set of valid and invalid states that
 * MediaPlayer.getDuration() method can be called.
 */
public class MediaPlayerGetDurationStateUnitTest extends AndroidTestCase implements MediaPlayerMethodUnderTest {
    private MediaPlayerStateUnitTestTemplate mTestTemplate = new MediaPlayerStateUnitTestTemplate();

    /**
     * 1. It is valid to call getDuration() in the following states:
     *    {Prepared, Started, Paused, Stopped, PlaybackCompleted}.
     * 2. It is invalid to call getDuration() in the following states:
     *    {Idle, Initialized, Error}
     *    
     * @param stateErrors the MediaPlayerStateErrors to check against.
     */
    public void checkStateErrors(MediaPlayerStateErrors stateErrors) {
        // Valid states.
        assertTrue(!stateErrors.errorInPreparedStateAfterStop);
        assertTrue(!stateErrors.errorInPreparedState);
        assertTrue(!stateErrors.errorInStartedState);
        assertTrue(!stateErrors.errorInStartedStateAfterPause);
        assertTrue(!stateErrors.errorInPausedState);
        assertTrue(!stateErrors.errorInStoppedState);
        assertTrue(!stateErrors.errorInPlaybackCompletedState);
        
        // Invalid states.
        assertTrue(!stateErrors.errorInIdleState);  // onError() won't be called
        assertTrue(stateErrors.errorInInitializedState);
        assertTrue(stateErrors.errorInErrorState);
        assertTrue(stateErrors.errorInIdleStateAfterReset);
    }
    
    public void invokeMethodUnderTest(MediaPlayer player) {
        player.getDuration();
    }

    @LargeTest
    public void testGetDuration() {
        mTestTemplate.runTestOnMethod(this);
    }

    @Override
    public String toString() {
        return "getDuration()";
    }
}

Other Android examples (source code examples)

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