Home | History | Annotate | Download | only in test 
      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
      5  * use this file except in compliance with the License. You may obtain a copy of
      6  * 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, WITHOUT
     12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
     13  * License for the specific language governing permissions and limitations under
     14  * the License.
     15  */
     16 
     17 #ifndef CTSAUDIO_AUDIOPLAYTESTCOMMON_H
     18 #define CTSAUDIO_AUDIOPLAYTESTCOMMON_H
     19 
     20 #include <gtest/gtest.h>
     21 #include <utils/threads.h>
     22 #include <utils/StrongPointer.h>
     23 
     24 #include <audio/AudioHardware.h>
     25 #include <audio/AudioPlaybackLocal.h>
     26 #include <audio/AudioRecordingLocal.h>
     27 #include <audio/AudioSignalFactory.h>
     28 #include <audio/AudioLocal.h>
     29 #include <audio/Buffer.h>
     30 
     31 
     32 #include <Log.h>
     33 
     34 
     35 class AudioPlayTestCommon : public testing::Test {
     36 protected:
     37     android::sp<Buffer> mBuffer;
     38     android::sp<AudioHardware> mAudioHw;
     39 
     40     static const int MAX_POSITIVE_AMPLITUDE = 1000;
     41     static const int SIGNAL_FREQ = 1000;
     42     static const int SIGNAL_LENGTH = AudioHardware::SAMPLES_PER_ONE_GO * 2;
     43     static const int DEFAULT_VOLUME = 10;
     44 
     45 protected:
     46     virtual ~AudioPlayTestCommon() {
     47         LOGV("~AudioPlayTestCommon");
     48     }
     49     virtual void SetUp() {
     50         mAudioHw = createAudioHw();
     51         ASSERT_TRUE(mAudioHw.get() != NULL);
     52         mBuffer = AudioSignalFactory::generateSineWave(AudioHardware::E2BPS,
     53                 MAX_POSITIVE_AMPLITUDE, AudioHardware::ESampleRate_44100,
     54                 SIGNAL_FREQ, SIGNAL_LENGTH);
     55         ASSERT_TRUE(mBuffer.get() != NULL);
     56     }
     57 
     58     virtual void TearDown() {
     59         LOGV("AudioPlayTestCommon::TearDown");
     60         mAudioHw->stopPlaybackOrRecord(); // this stops the thread
     61         mAudioHw.clear();
     62     }
     63 
     64     void playAll(int numberRepetition) {
     65         ASSERT_TRUE(mAudioHw->prepare(AudioHardware::ESampleRate_44100, DEFAULT_VOLUME));
     66         ASSERT_TRUE(mAudioHw->startPlaybackOrRecord(mBuffer, numberRepetition));
     67         ASSERT_TRUE(mAudioHw->waitForCompletion());
     68         mAudioHw->stopPlaybackOrRecord();
     69         LOGV("size %d, handled %d", mBuffer->getSize(), mBuffer->amountHandled());
     70         ASSERT_TRUE(mBuffer->amountHandled() == mBuffer->getSize());
     71     }
     72 
     73     void repeatPlayStop() {
     74         for (int i = 0; i < 2; i++) {
     75             ASSERT_TRUE(mAudioHw->prepare(AudioHardware::ESampleRate_44100, DEFAULT_VOLUME));
     76             mBuffer->restart();
     77             ASSERT_TRUE(mAudioHw->startPlaybackOrRecord(mBuffer, 10));
     78             mAudioHw->stopPlaybackOrRecord();
     79         }
     80     }
     81 
     82     void playWrongUsage() {
     83         ASSERT_FALSE(mAudioHw->startPlaybackOrRecord(mBuffer));
     84         ASSERT_TRUE(mAudioHw->prepare(AudioHardware::ESampleRate_44100, DEFAULT_VOLUME));
     85         playAll(1);
     86     }
     87 
     88     virtual android::sp<AudioHardware> createAudioHw() = 0;
     89 };
     90 
     91 #endif // CTSAUDIO_AUDIOPLAYTESTCOMMON_H
     92