android-platform-libcore/luni/src/test/java/libcore/java/io/RandomAccessFileTest.java

/*
 * Copyright (C) 2010 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 libcore.java.io;

import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import junit.framework.TestCase;

public final class RandomAccessFileTest extends TestCase {

    // http://b/3015023
    public void testRandomAccessFileHasCleanupFinalizer() throws IOException {
        int tooManyOpenFiles = 2000;
        File file = File.createTempFile("RandomAccessFileTest", "tmp");
        for (int i = 0; i < tooManyOpenFiles; i++) {
            new RandomAccessFile(file, "rw");
            System.gc();
            System.runFinalization();
        }
    }
}