/* * 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 static com.google.common.truth.Truth.assertThat; import androidx.test.runner.AndroidJUnit4; import com.google.common.truth.Expect; import org.junit.Rule; import org.junit.Test; import org.junit.runner.RunWith; /** Unit test cases for {@link BluetoothCodecConfig}. */ @RunWith(AndroidJUnit4.class) public class BluetoothCodecConfigTest { @Rule public Expect expect = Expect.create(); private static final int[] sCodecTypeArray = 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_OPUS, BluetoothCodecConfig.SOURCE_CODEC_TYPE_INVALID, }; private static final int[] sCodecPriorityArray = new int[] { BluetoothCodecConfig.CODEC_PRIORITY_DISABLED, BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT, BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST, }; private static final int[] sSampleRateArray = 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[] sBitsPerSampleArray = 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[] sChannelModeArray = new int[] { BluetoothCodecConfig.CHANNEL_MODE_NONE, BluetoothCodecConfig.CHANNEL_MODE_MONO, BluetoothCodecConfig.CHANNEL_MODE_STEREO, }; private static final long[] sCodecSpecific1Array = new long[] { 1000, 1001, 1002, 1003, }; private static final long[] sCodecSpecific2Array = new long[] { 2000, 2001, 2002, 2003, }; private static final long[] sCodecSpecific3Array = new long[] { 3000, 3001, 3002, 3003, }; private static final long[] sCodecSpecific4Array = new long[] { 4000, 4001, 4002, 4003, }; private static final int sTotalConfigs = sCodecTypeArray.length * sCodecPriorityArray.length * sSampleRateArray.length * sBitsPerSampleArray.length * sChannelModeArray.length * sCodecSpecific1Array.length * sCodecSpecific2Array.length * sCodecSpecific3Array.length * sCodecSpecific4Array.length; private int selectCodecType(int configId) { int left = sCodecTypeArray.length; int right = sTotalConfigs / left; int index = configId / right; index = index % sCodecTypeArray.length; return sCodecTypeArray[index]; } private int selectCodecPriority(int configId) { int left = sCodecTypeArray.length * sCodecPriorityArray.length; int right = sTotalConfigs / left; int index = configId / right; index = index % sCodecPriorityArray.length; return sCodecPriorityArray[index]; } private int selectSampleRate(int configId) { int left = sCodecTypeArray.length * sCodecPriorityArray.length * sSampleRateArray.length; int right = sTotalConfigs / left; int index = configId / right; index = index % sSampleRateArray.length; return sSampleRateArray[index]; } private int selectBitsPerSample(int configId) { int left = sCodecTypeArray.length * sCodecPriorityArray.length * sSampleRateArray.length * sBitsPerSampleArray.length; int right = sTotalConfigs / left; int index = configId / right; index = index % sBitsPerSampleArray.length; return sBitsPerSampleArray[index]; } private int selectChannelMode(int configId) { int left = sCodecTypeArray.length * sCodecPriorityArray.length * sSampleRateArray.length * sBitsPerSampleArray.length * sChannelModeArray.length; int right = sTotalConfigs / left; int index = configId / right; index = index % sChannelModeArray.length; return sChannelModeArray[index]; } private long selectCodecSpecific1(int configId) { int left = sCodecTypeArray.length * sCodecPriorityArray.length * sSampleRateArray.length * sBitsPerSampleArray.length * sChannelModeArray.length * sCodecSpecific1Array.length; int right = sTotalConfigs / left; int index = configId / right; index = index % sCodecSpecific1Array.length; return sCodecSpecific1Array[index]; } private long selectCodecSpecific2(int configId) { int left = sCodecTypeArray.length * sCodecPriorityArray.length * sSampleRateArray.length * sBitsPerSampleArray.length * sChannelModeArray.length * sCodecSpecific1Array.length * sCodecSpecific2Array.length; int right = sTotalConfigs / left; int index = configId / right; index = index % sCodecSpecific2Array.length; return sCodecSpecific2Array[index]; } private long selectCodecSpecific3(int configId) { int left = sCodecTypeArray.length * sCodecPriorityArray.length * sSampleRateArray.length * sBitsPerSampleArray.length * sChannelModeArray.length * sCodecSpecific1Array.length * sCodecSpecific2Array.length * sCodecSpecific3Array.length; int right = sTotalConfigs / left; int index = configId / right; index = index % sCodecSpecific3Array.length; return sCodecSpecific3Array[index]; } private long selectCodecSpecific4(int configId) { int left = sCodecTypeArray.length * sCodecPriorityArray.length * sSampleRateArray.length * sBitsPerSampleArray.length * sChannelModeArray.length * sCodecSpecific1Array.length * sCodecSpecific2Array.length * sCodecSpecific3Array.length * sCodecSpecific4Array.length; int right = sTotalConfigs / left; int index = configId / right; index = index % sCodecSpecific4Array.length; return sCodecSpecific4Array[index]; } @Test public void testBluetoothCodecConfig_valid_get_methods() { for (int config_id = 0; config_id < sTotalConfigs; 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) { expect.that(bcc.isMandatoryCodec()).isTrue(); } else { expect.that(bcc.isMandatoryCodec()).isFalse(); } if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC) { expect.that(BluetoothCodecConfig.getCodecName(codec_type)).isEqualTo("SBC"); } if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC) { expect.that(BluetoothCodecConfig.getCodecName(codec_type)).isEqualTo("AAC"); } if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX) { expect.that(BluetoothCodecConfig.getCodecName(codec_type)).isEqualTo("aptX"); } if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD) { expect.that(BluetoothCodecConfig.getCodecName(codec_type)).isEqualTo("aptX HD"); } if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC) { expect.that(BluetoothCodecConfig.getCodecName(codec_type)).isEqualTo("LDAC"); } if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_OPUS) { expect.that(BluetoothCodecConfig.getCodecName(codec_type)).isEqualTo("Opus"); } if (codec_type == BluetoothCodecConfig.SOURCE_CODEC_TYPE_INVALID) { expect.that(BluetoothCodecConfig.getCodecName(codec_type)) .isEqualTo("INVALID CODEC"); } expect.that(bcc.getCodecType()).isEqualTo(codec_type); expect.that(bcc.getCodecPriority()).isEqualTo(codec_priority); expect.that(bcc.getSampleRate()).isEqualTo(sample_rate); expect.that(bcc.getBitsPerSample()).isEqualTo(bits_per_sample); expect.that(bcc.getChannelMode()).isEqualTo(channel_mode); expect.that(bcc.getCodecSpecific1()).isEqualTo(codec_specific1); expect.that(bcc.getCodecSpecific2()).isEqualTo(codec_specific2); expect.that(bcc.getCodecSpecific3()).isEqualTo(codec_specific3); expect.that(bcc.getCodecSpecific4()).isEqualTo(codec_specific4); } } @Test public void testBluetoothCodecConfig_same() { 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); assertThat(bcc2_same).isEqualTo(bcc1); } @Test public void testBluetoothCodecConfig_different_codec_type() { 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 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); assertThat(bcc3_codec_type).isNotEqualTo(bcc1); } @Test public void testBluetoothCodecConfig_different_codec_priority() { 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 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); assertThat(bcc4_codec_priority).isNotEqualTo(bcc1); } @Test public void testBluetoothCodecConfig_different_sample_rate() { 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 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); assertThat(bcc5_sample_rate).isNotEqualTo(bcc1); } @Test public void testBluetoothCodecConfig_different_bits_per_sample() { 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 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); assertThat(bcc6_bits_per_sample).isNotEqualTo(bcc1); } @Test public void testBluetoothCodecConfig_different_channel_mode() { 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 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); assertThat(bcc7_channel_mode).isNotEqualTo(bcc1); } @Test public void testBluetoothCodecConfig_different_code_specific_1() { 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 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); assertThat(bcc8_codec_specific1).isNotEqualTo(bcc1); } @Test public void testBluetoothCodecConfig_different_code_specific_2() { 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 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); assertThat(bcc9_codec_specific2).isNotEqualTo(bcc1); } @Test public void testBluetoothCodecConfig_different_code_specific_3() { 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 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); assertThat(bcc10_codec_specific3).isNotEqualTo(bcc1); } @Test public void testBluetoothCodecConfig_different_code_specific_4() { 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 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); assertThat(bcc11_codec_specific4).isNotEqualTo(bcc1); } 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(); } }