xref: /frameworks/base/tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/util/TestUtils.java

/*
 * Copyright (C) 2016 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.layoutlib.bridge.intensive.util;

import java.lang.ref.WeakReference;

public class TestUtils {
    public static void gc() {
        // See RuntimeUtil#gc in jlibs (http://jlibs.in/)
        Object obj = new Object();
        WeakReference ref = new WeakReference<>(obj);
        //noinspection UnusedAssignment
        obj = null;
        while (ref.get() != null) {
            System.gc();
            System.runFinalization();
        }

        System.gc();
        System.runFinalization();
    }
}