63 lines
1.9 KiB
Java
63 lines
1.9 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.mtp;
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import android.database.ContentObserver;
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import android.net.Uri;
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import android.test.mock.MockContentResolver;
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import junit.framework.Assert;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.concurrent.Phaser;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.TimeoutException;
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class TestContentResolver extends MockContentResolver {
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private static final int TIMEOUT_PERIOD_MS = 3000;
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private final Map<Uri, Phaser> mPhasers = new HashMap<>();
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@Override
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public void notifyChange(Uri uri, ContentObserver observer, boolean syncToNetwork) {
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getPhaser(uri).arrive();
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}
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void waitForNotification(Uri uri, int count) throws InterruptedException, TimeoutException {
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Assert.assertEquals(count, getPhaser(uri).awaitAdvanceInterruptibly(
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count - 1, TIMEOUT_PERIOD_MS, TimeUnit.MILLISECONDS));
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}
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int getChangeCount(Uri uri) {
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if (mPhasers.containsKey(uri)) {
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return mPhasers.get(uri).getPhase();
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} else {
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return 0;
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}
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}
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private synchronized Phaser getPhaser(Uri uri) {
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Phaser phaser = mPhasers.get(uri);
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if (phaser == null) {
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phaser = new Phaser(1);
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mPhasers.put(uri, phaser);
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}
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return phaser;
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}
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}
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