net/test/android/javatests/src/org/chromium/net/test/util/NetworkChangeNotifierTestUtil.java

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package org.chromium.net.test.util;

import org.chromium.base.ThreadUtils;

import java.util.concurrent.FutureTask;

/**
 * A utility class useful for testing NetworkChangeNotifier.
 */
public class NetworkChangeNotifierTestUtil {
    /**
     * Flushes UI thread task queue.
     */
    public static void flushUiThreadTaskQueue() throws Exception {
        FutureTask<Void> task = new FutureTask<Void>(new Runnable() {
            @Override
            public void run() {}
        }, null);
        ThreadUtils.postOnUiThread(task);
        task.get();
    }
}