| /* |
| * 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.wm.flicker.monitor; |
| |
| import static com.android.server.wm.nano.WindowManagerTraceFileProto.MAGIC_NUMBER_H; |
| import static com.android.server.wm.nano.WindowManagerTraceFileProto.MAGIC_NUMBER_L; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.android.server.wm.nano.WindowManagerTraceFileProto; |
| |
| import com.google.common.io.Files; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.File; |
| |
| /** |
| * Contains {@link WindowManagerTraceMonitor} tests. |
| * To run this test: {@code atest FlickerLibTest:WindowManagerTraceMonitorTest} |
| */ |
| public class WindowManagerTraceMonitorTest { |
| private WindowManagerTraceMonitor mWindowManagerTraceMonitor; |
| |
| @Before |
| public void setup() { |
| mWindowManagerTraceMonitor = new WindowManagerTraceMonitor(); |
| } |
| |
| @After |
| public void teardown() { |
| mWindowManagerTraceMonitor.stop(); |
| mWindowManagerTraceMonitor.getOutputTraceFilePath("captureWindowTrace").toFile().delete(); |
| } |
| |
| @Test |
| public void canStartWindowTrace() throws Exception { |
| mWindowManagerTraceMonitor.start(); |
| assertThat(mWindowManagerTraceMonitor.isEnabled()).isTrue(); |
| } |
| |
| @Test |
| public void canStopWindowTrace() throws Exception { |
| mWindowManagerTraceMonitor.start(); |
| assertThat(mWindowManagerTraceMonitor.isEnabled()).isTrue(); |
| mWindowManagerTraceMonitor.stop(); |
| assertThat(mWindowManagerTraceMonitor.isEnabled()).isFalse(); |
| } |
| |
| @Test |
| public void captureWindowTrace() throws Exception { |
| mWindowManagerTraceMonitor.start(); |
| mWindowManagerTraceMonitor.stop(); |
| File testFile = mWindowManagerTraceMonitor.save("captureWindowTrace").toFile(); |
| assertThat(testFile.exists()).isTrue(); |
| byte[] trace = Files.toByteArray(testFile); |
| assertThat(trace.length).isGreaterThan(0); |
| WindowManagerTraceFileProto mWindowTraceFileProto = WindowManagerTraceFileProto.parseFrom( |
| trace); |
| assertThat(mWindowTraceFileProto.magicNumber).isEqualTo( |
| (long) MAGIC_NUMBER_H << 32 | MAGIC_NUMBER_L); |
| } |
| } |