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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.media.cts;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import android.content.Context;
import android.media.session.MediaSessionManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import java.io.FileDescriptor;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
/**
* Utilities for tests.
*/
public final class TestUtils {
private static final int WAIT_TIME_MS = 1000;
private static final int WAIT_SERVICE_TIME_MS = 5000;
/**
* Compares contents of two bundles.
*
* @param a a bundle
* @param b another bundle
* @return {@code true} if two bundles are the same. {@code false} otherwise. This may be
* incorrect if any bundle contains a bundle.
*/
public static boolean equals(Bundle a, Bundle b) {
if (a == b) {
return true;
}
if (a == null || b == null) {
return false;
}
if (!a.keySet().containsAll(b.keySet())
|| !b.keySet().containsAll(a.keySet())) {
return false;
}
for (String key : a.keySet()) {
if (!Objects.equals(a.get(key), b.get(key))) {
return false;
}
}
return true;
}
public static class Monitor {
private int mNumSignal;
public synchronized void reset() {
mNumSignal = 0;
}
public synchronized void signal() {
mNumSignal++;
notifyAll();
}
public synchronized boolean waitForSignal() throws InterruptedException {
return waitForCountedSignals(1) > 0;
}
public synchronized int waitForCountedSignals(int targetCount) throws InterruptedException {
while (mNumSignal < targetCount) {
wait();
}
return mNumSignal;
}
public synchronized boolean waitForSignal(long timeoutMs) throws InterruptedException {
return waitForCountedSignals(1, timeoutMs) > 0;
}
public synchronized int waitForCountedSignals(int targetCount, long timeoutMs)
throws InterruptedException {
if (timeoutMs == 0) {
return waitForCountedSignals(targetCount);
}
long deadline = System.currentTimeMillis() + timeoutMs;
while (mNumSignal < targetCount) {
long delay = deadline - System.currentTimeMillis();
if (delay <= 0) {
break;
}
wait(delay);
}
return mNumSignal;
}
public synchronized boolean isSignalled() {
return mNumSignal >= 1;
}
public synchronized int getNumSignal() {
return mNumSignal;
}
}
}
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