| /* |
| * Copyright (C) 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 com.android.server.hdmi; |
| |
| import static com.android.server.hdmi.Constants.ADDR_AUDIO_SYSTEM; |
| import static com.android.server.hdmi.Constants.ADDR_PLAYBACK_1; |
| import static com.android.server.hdmi.Constants.ADDR_TV; |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import android.hardware.hdmi.HdmiDeviceInfo; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| @SmallTest |
| @RunWith(JUnit4.class) |
| /** Tests for {@link HdmiCecMessageBuilder}.. */ |
| public class HdmiCecMessageBuilderTest { |
| |
| @Test |
| public void buildReportPhysicalAddressCommand() { |
| HdmiCecMessage message = |
| HdmiCecMessageBuilder.buildReportPhysicalAddressCommand( |
| ADDR_PLAYBACK_1, 0x1234, HdmiDeviceInfo.DEVICE_PLAYBACK); |
| assertThat(message).isEqualTo(buildMessage("4f:84:12:34:04")); |
| } |
| |
| @Test |
| public void buildRequestShortAudioDescriptor() { |
| HdmiCecMessage message = |
| HdmiCecMessageBuilder.buildRequestShortAudioDescriptor( |
| ADDR_TV, |
| ADDR_AUDIO_SYSTEM, |
| new int[] {Constants.AUDIO_CODEC_AAC, Constants.AUDIO_CODEC_LPCM}); |
| assertThat(message).isEqualTo(buildMessage("05:A4:06:01")); |
| } |
| |
| /** |
| * Build a CEC message from a hex byte string with bytes separated by {@code :}. |
| * |
| * <p>This format is used by both cec-client and www.cec-o-matic.com |
| */ |
| private static HdmiCecMessage buildMessage(String message) { |
| String[] parts = message.split(":"); |
| int src = Integer.parseInt(parts[0].substring(0, 1), 16); |
| int dest = Integer.parseInt(parts[0].substring(1, 2), 16); |
| int opcode = Integer.parseInt(parts[1], 16); |
| byte[] params = new byte[parts.length - 2]; |
| for (int i = 0; i < params.length; i++) { |
| params[i] = Byte.parseByte(parts[i + 2], 16); |
| } |
| return new HdmiCecMessage(src, dest, opcode, params); |
| } |
| } |