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/*
* Copyright 2022 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 android.bluetooth;
import static com.google.common.truth.Truth.assertThat;
import android.media.AudioFormat;
import android.os.Parcel;
import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Test cases for {@link BluetoothAudioConfig}.
*/
@SmallTest
@RunWith(AndroidJUnit4.class)
public class BluetoothAudioConfigTest {
private static final int TEST_SAMPLE_RATE = 44;
private static final int TEST_CHANNEL_COUNT = 1;
@Test
public void createBluetoothAudioConfig() {
BluetoothAudioConfig audioConfig = new BluetoothAudioConfig(
TEST_SAMPLE_RATE,
TEST_CHANNEL_COUNT,
AudioFormat.ENCODING_PCM_16BIT
);
assertThat(audioConfig.getSampleRate()).isEqualTo(TEST_SAMPLE_RATE);
assertThat(audioConfig.getChannelConfig()).isEqualTo(TEST_CHANNEL_COUNT);
assertThat(audioConfig.getAudioFormat()).isEqualTo(AudioFormat.ENCODING_PCM_16BIT);
}
@Test
public void writeToParcel() {
BluetoothAudioConfig originalConfig = new BluetoothAudioConfig(
TEST_SAMPLE_RATE,
TEST_CHANNEL_COUNT,
AudioFormat.ENCODING_PCM_16BIT
);
Parcel parcel = Parcel.obtain();
originalConfig.writeToParcel(parcel, 0);
parcel.setDataPosition(0);
BluetoothAudioConfig configOut = BluetoothAudioConfig.CREATOR.createFromParcel(parcel);
parcel.recycle();
assertThat(configOut.getSampleRate())
.isEqualTo(originalConfig.getSampleRate());
assertThat(configOut.getChannelConfig())
.isEqualTo(originalConfig.getChannelConfig());
assertThat(configOut.getAudioFormat())
.isEqualTo(originalConfig.getAudioFormat());
}
@Test
public void bluetoothAudioConfigHashCode() {
BluetoothAudioConfig audioConfig = new BluetoothAudioConfig(
TEST_SAMPLE_RATE,
TEST_CHANNEL_COUNT,
AudioFormat.ENCODING_PCM_16BIT
);
int hashCode = audioConfig.getSampleRate() | (audioConfig.getChannelConfig() << 24) | (
audioConfig.getAudioFormat() << 28);
int describeContents = 0;
assertThat(audioConfig.hashCode()).isEqualTo(hashCode);
assertThat(audioConfig.describeContents()).isEqualTo(describeContents);
}
@Test
public void bluetoothAudioConfigToString() {
BluetoothAudioConfig audioConfig = new BluetoothAudioConfig(
TEST_SAMPLE_RATE,
TEST_CHANNEL_COUNT,
AudioFormat.ENCODING_PCM_16BIT
);
String audioConfigString = audioConfig.toString();
String expectedToString = "{mSampleRate:" + audioConfig.getSampleRate()
+ ",mChannelConfig:" + audioConfig.getChannelConfig()
+ ",mAudioFormat:" + audioConfig.getAudioFormat() + "}";
assertThat(audioConfigString).isEqualTo(expectedToString);
}
}
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