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/*
* Copyright 2018 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 android.test.suitebuilder.annotation.SmallTest;
import junit.framework.TestCase;
/**
* Unit test cases for {@link BluetoothCodecConfig}.
* <p>
* To run this test, use:
* runtest --path core/tests/bluetoothtests/src/android/bluetooth/BluetoothCodecConfigTest.java
*/
public class BluetoothCodecConfigTest extends TestCase {
private static final int[] kCodecTypeArray = new int[] {
BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC,
BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC,
BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX,
BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD,
BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC,
BluetoothCodecConfig.SOURCE_CODEC_TYPE_LC3,
BluetoothCodecConfig.SOURCE_CODEC_TYPE_INVALID,
};
private static final int[] kCodecPriorityArray = new int[] {
BluetoothCodecConfig.CODEC_PRIORITY_DISABLED,
BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT,
BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST,
};
private static final int[] kSampleRateArray = new int[] {
BluetoothCodecConfig.SAMPLE_RATE_NONE,
BluetoothCodecConfig.SAMPLE_RATE_44100,
BluetoothCodecConfig.SAMPLE_RATE_48000,
BluetoothCodecConfig.SAMPLE_RATE_88200,
BluetoothCodecConfig.SAMPLE_RATE_96000,
BluetoothCodecConfig.SAMPLE_RATE_176400,
BluetoothCodecConfig.SAMPLE_RATE_192000,
};
private static final int[] kBitsPerSampleArray = new int[] {
BluetoothCodecConfig.BITS_PER_SAMPLE_NONE,
BluetoothCodecConfig.BITS_PER_SAMPLE_16,
BluetoothCodecConfig.BITS_PER_SAMPLE_24,
BluetoothCodecConfig.BITS_PER_SAMPLE_32,
};
private static final int[] kChannelModeArray = new int[] {
BluetoothCodecConfig.CHANNEL_MODE_NONE,
BluetoothCodecConfig.CHANNEL_MODE_MONO,
BluetoothCodecConfig.CHANNEL_MODE_STEREO,
};
private static final long[] kCodecSpecific1Array = new long[] {
1000,
1001,
1002,
1003,
};
private static final long[] kCodecSpecific2Array = new long[] {
2000,
2001,
2002,
2003,
};
private static final long[] kCodecSpecific3Array = new long[] {
3000,
3001,
3002,
3003,
};
private static final long[] kCodecSpecific4Array = new long[] {
4000,
4001,
4002,
4003,
};
private static final int kTotalConfigs = kCodecTypeArray.length * kCodecPriorityArray.length
* kSampleRateArray.length * kBitsPerSampleArray.length * kChannelModeArray.length
* kCodecSpecific1Array.length * kCodecSpecific2Array.length * kCodecSpecific3Array.length
* kCodecSpecific4Array.length;
private int selectCodecType(int configId) {
int left = kCodecTypeArray.length;
int right = kTotalConfigs / left;
int index = configId / right;
index = index % kCodecTypeArray.length;
return kCodecTypeArray[index];
}
private int selectCodecPriority(int configId) {
int left = kCodecTypeArray.length * kCodecPriorityArray.length;
int right = kTotalConfigs / left;
int index = configId / right;
index = index % kCodecPriorityArray.length;
return kCodecPriorityArray[index];
}
private int selectSampleRate(int configId) {
int left = kCodecTypeArray.length * kCodecPriorityArray.length * kSampleRateArray.length;
int right = kTotalConfigs / left;
int index = configId / right;
index = index % kSampleRateArray.length;
return kSampleRateArray[index];
}
private int selectBitsPerSample(int configId) {
int left = kCodecTypeArray.length * kCodecPriorityArray.length * kSampleRateArray.length *
kBitsPerSampleArray.length;
int right = kTotalConfigs / left;
int index = configId / right;
index = index % kBitsPerSampleArray.length;
return kBitsPerSampleArray[index];
}
private int selectChannelMode(int configId) {
int left = kCodecTypeArray.length * kCodecPriorityArray.length * kSampleRateArray.length *
kBitsPerSampleArray.length * kChannelModeArray.length;
int right = kTotalConfigs / left;
int index = configId / right;
index = index % kChannelModeArray.length;
return kChannelModeArray[index];
}
private long selectCodecSpecific1(int configId) {
int left = kCodecTypeArray.length * kCodecPriorityArray.length * kSampleRateArray.length *
kBitsPerSampleArray.length * kChannelModeArray.length * kCodecSpecific1Array.length;
int right = kTotalConfigs / left;
int index = configId / right;
index = index % kCodecSpecific1Array.length;
return kCodecSpecific1Array[index];
}
private long selectCodecSpecific2(int configId) {
int left = kCodecTypeArray.length * kCodecPriorityArray.length * kSampleRateArray.length *
kBitsPerSampleArray.length * kChannelModeArray.length * kCodecSpecific1Array.length *
kCodecSpecific2Array.length;
int right = kTotalConfigs / left;
int index = configId / right;
index = index % kCodecSpecific2Array.length;
return kCodecSpecific2Array[index];
}
private long selectCodecSpecific3(int configId) {
int left = kCodecTypeArray.length * kCodecPriorityArray.length * kSampleRateArray.length *
kBitsPerSampleArray.length * kChannelModeArray.length * kCodecSpecific1Array.length *
kCodecSpecific2Array.length * kCodecSpecific3Array.length;
int right = kTotalConfigs / left;
int index = configId / right;
index = index % kCodecSpecific3Array.length;
return kCodecSpecific3Array[index];
}
private long selectCodecSpecific4(int configId) {
int left = kCodecTypeArray.length * kCodecPriorityArray.length * kSampleRateArray.length *
kBitsPerSampleArray.length * kChannelModeArray.length * kCodecSpecific1Array.length *
kCodecSpecific2Array.length * kCodecSpecific3Array.length *
kCodecSpecific4Array.length;
int right = kTotalConfigs / left;
int index = configId / right;
index = index % kCodecSpecific4Array.length;
return kCodecSpecific4Array[index];
}
@SmallTest
public void testBluetoothCodecConfig_valid_get_methods() {
for (int config_id = 0; config_id < kTotalConfigs; config_id++) {
int codec_type = selectCodecType(config_id);
int codec_priority = selectCodecPriority(config_id);
int sample_rate = selectSampleRate(config_id);
int bits_per_sample = selectBitsPerSample(config_id);
int channel_mode = selectChannelMode(config_id);
long codec_specific1 = selectCodecSpecific1(config_id);
long codec_specific2 = selectCodecSpecific2(config_id);
long codec_specific3 = selectCodecSpecific3(config_id);
long codec_specific4 = selectCodecSpecific4(config_id);
BluetoothCodecConfig bcc = buildBluetoothCodecConfig(codec_type, codec_priority,
sample_rate, bits_per_sample,
channel_mode, codec_specific1,
codec_specific2, codec_specific3,
codec_specific4);
if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC) {
assertTrue(bcc.isMandatoryCodec());
} else {
assertFalse(bcc.isMandatoryCodec());
}
if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC) {
assertEquals("SBC", BluetoothCodecConfig.getCodecName(codec_type));
}
if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC) {
assertEquals("AAC", BluetoothCodecConfig.getCodecName(codec_type));
}
if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX) {
assertEquals("aptX", BluetoothCodecConfig.getCodecName(codec_type));
}
if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD) {
assertEquals("aptX HD", BluetoothCodecConfig.getCodecName(codec_type));
}
if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC) {
assertEquals("LDAC", BluetoothCodecConfig.getCodecName(codec_type));
}
if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_LC3) {
assertEquals("LC3", BluetoothCodecConfig.getCodecName(codec_type));
}
if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_INVALID) {
assertEquals("INVALID CODEC", BluetoothCodecConfig.getCodecName(codec_type));
}
assertEquals(codec_type, bcc.getCodecType());
assertEquals(codec_priority, bcc.getCodecPriority());
assertEquals(sample_rate, bcc.getSampleRate());
assertEquals(bits_per_sample, bcc.getBitsPerSample());
assertEquals(channel_mode, bcc.getChannelMode());
assertEquals(codec_specific1, bcc.getCodecSpecific1());
assertEquals(codec_specific2, bcc.getCodecSpecific2());
assertEquals(codec_specific3, bcc.getCodecSpecific3());
assertEquals(codec_specific4, bcc.getCodecSpecific4());
}
}
@SmallTest
public void testBluetoothCodecConfig_equals() {
BluetoothCodecConfig bcc1 =
buildBluetoothCodecConfig(BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC,
BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT,
BluetoothCodecConfig.SAMPLE_RATE_44100,
BluetoothCodecConfig.BITS_PER_SAMPLE_16,
BluetoothCodecConfig.CHANNEL_MODE_STEREO,
1000, 2000, 3000, 4000);
BluetoothCodecConfig bcc2_same =
buildBluetoothCodecConfig(BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC,
BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT,
BluetoothCodecConfig.SAMPLE_RATE_44100,
BluetoothCodecConfig.BITS_PER_SAMPLE_16,
BluetoothCodecConfig.CHANNEL_MODE_STEREO,
1000, 2000, 3000, 4000);
assertTrue(bcc1.equals(bcc2_same));
BluetoothCodecConfig bcc3_codec_type =
buildBluetoothCodecConfig(BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC,
BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT,
BluetoothCodecConfig.SAMPLE_RATE_44100,
BluetoothCodecConfig.BITS_PER_SAMPLE_16,
BluetoothCodecConfig.CHANNEL_MODE_STEREO,
1000, 2000, 3000, 4000);
assertFalse(bcc1.equals(bcc3_codec_type));
BluetoothCodecConfig bcc4_codec_priority =
buildBluetoothCodecConfig(BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC,
BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST,
BluetoothCodecConfig.SAMPLE_RATE_44100,
BluetoothCodecConfig.BITS_PER_SAMPLE_16,
BluetoothCodecConfig.CHANNEL_MODE_STEREO,
1000, 2000, 3000, 4000);
assertFalse(bcc1.equals(bcc4_codec_priority));
BluetoothCodecConfig bcc5_sample_rate =
buildBluetoothCodecConfig(BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC,
BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT,
BluetoothCodecConfig.SAMPLE_RATE_48000,
BluetoothCodecConfig.BITS_PER_SAMPLE_16,
BluetoothCodecConfig.CHANNEL_MODE_STEREO,
1000, 2000, 3000, 4000);
assertFalse(bcc1.equals(bcc5_sample_rate));
BluetoothCodecConfig bcc6_bits_per_sample =
buildBluetoothCodecConfig(BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC,
BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT,
BluetoothCodecConfig.SAMPLE_RATE_44100,
BluetoothCodecConfig.BITS_PER_SAMPLE_24,
BluetoothCodecConfig.CHANNEL_MODE_STEREO,
1000, 2000, 3000, 4000);
assertFalse(bcc1.equals(bcc6_bits_per_sample));
BluetoothCodecConfig bcc7_channel_mode =
buildBluetoothCodecConfig(BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC,
BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT,
BluetoothCodecConfig.SAMPLE_RATE_44100,
BluetoothCodecConfig.BITS_PER_SAMPLE_16,
BluetoothCodecConfig.CHANNEL_MODE_MONO,
1000, 2000, 3000, 4000);
assertFalse(bcc1.equals(bcc7_channel_mode));
BluetoothCodecConfig bcc8_codec_specific1 =
buildBluetoothCodecConfig(BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC,
BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT,
BluetoothCodecConfig.SAMPLE_RATE_44100,
BluetoothCodecConfig.BITS_PER_SAMPLE_16,
BluetoothCodecConfig.CHANNEL_MODE_STEREO,
1001, 2000, 3000, 4000);
assertFalse(bcc1.equals(bcc8_codec_specific1));
BluetoothCodecConfig bcc9_codec_specific2 =
buildBluetoothCodecConfig(BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC,
BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT,
BluetoothCodecConfig.SAMPLE_RATE_44100,
BluetoothCodecConfig.BITS_PER_SAMPLE_16,
BluetoothCodecConfig.CHANNEL_MODE_STEREO,
1000, 2002, 3000, 4000);
assertFalse(bcc1.equals(bcc9_codec_specific2));
BluetoothCodecConfig bcc10_codec_specific3 =
buildBluetoothCodecConfig(BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC,
BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT,
BluetoothCodecConfig.SAMPLE_RATE_44100,
BluetoothCodecConfig.BITS_PER_SAMPLE_16,
BluetoothCodecConfig.CHANNEL_MODE_STEREO,
1000, 2000, 3003, 4000);
assertFalse(bcc1.equals(bcc10_codec_specific3));
BluetoothCodecConfig bcc11_codec_specific4 =
buildBluetoothCodecConfig(BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC,
BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT,
BluetoothCodecConfig.SAMPLE_RATE_44100,
BluetoothCodecConfig.BITS_PER_SAMPLE_16,
BluetoothCodecConfig.CHANNEL_MODE_STEREO,
1000, 2000, 3000, 4004);
assertFalse(bcc1.equals(bcc11_codec_specific4));
}
private BluetoothCodecConfig buildBluetoothCodecConfig(int sourceCodecType,
int codecPriority, int sampleRate, int bitsPerSample, int channelMode,
long codecSpecific1, long codecSpecific2, long codecSpecific3, long codecSpecific4) {
return new BluetoothCodecConfig.Builder()
.setCodecType(sourceCodecType)
.setCodecPriority(codecPriority)
.setSampleRate(sampleRate)
.setBitsPerSample(bitsPerSample)
.setChannelMode(channelMode)
.setCodecSpecific1(codecSpecific1)
.setCodecSpecific2(codecSpecific2)
.setCodecSpecific3(codecSpecific3)
.setCodecSpecific4(codecSpecific4)
.build();
}
}
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