RxJava/src/test/java/io/reactivex/internal/disposables/ArrayCompositeDisposableTest.java at 2.x · appsou/RxJava · GitHub

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/**
 * Copyright 2016 Netflix, Inc.
 *
 * 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 io.reactivex.internal.disposables;

import static org.junit.Assert.*;

import org.junit.Test;

import io.reactivex.TestHelper;
import io.reactivex.disposables.*;
import io.reactivex.schedulers.Schedulers;

public class ArrayCompositeDisposableTest {

    @Test
    public void normal() {
        ArrayCompositeDisposable acd = new ArrayCompositeDisposable(2);

        Disposable d1 = Disposables.empty();
        Disposable d2 = Disposables.empty();

        assertTrue(acd.setResource(0, d1));
        assertTrue(acd.setResource(1, d2));

        Disposable d3 = Disposables.empty();
        Disposable d4 = Disposables.empty();

        acd.replaceResource(0, d3);
        acd.replaceResource(1, d4);

        assertFalse(d1.isDisposed());
        assertFalse(d2.isDisposed());

        acd.setResource(0, d1);
        acd.setResource(1, d2);

        assertTrue(d3.isDisposed());
        assertTrue(d4.isDisposed());

        assertFalse(acd.isDisposed());

        acd.dispose();
        acd.dispose();

        assertTrue(acd.isDisposed());

        assertTrue(d1.isDisposed());
        assertTrue(d2.isDisposed());

        Disposable d5 = Disposables.empty();
        Disposable d6 = Disposables.empty();

        assertFalse(acd.setResource(0, d5));
        acd.replaceResource(1, d6);

        assertTrue(d5.isDisposed());
        assertTrue(d6.isDisposed());
    }

    @Test
    public void disposeRace() {
        for (int i = 0; i < 100; i++) {
            final ArrayCompositeDisposable acd = new ArrayCompositeDisposable(2);

            Runnable r = new Runnable() {
                @Override
                public void run() {
                    acd.dispose();
                }
            };

            TestHelper.race(r, r, Schedulers.io());
        }
    }

    @Test
    public void replaceRace() {
        for (int i = 0; i < 100; i++) {
            final ArrayCompositeDisposable acd = new ArrayCompositeDisposable(2);

            Runnable r = new Runnable() {
                @Override
                public void run() {
                    acd.replaceResource(0, Disposables.empty());
                }
            };

            TestHelper.race(r, r, Schedulers.io());
        }
    }

    @Test
    public void setRace() {
        for (int i = 0; i < 100; i++) {
            final ArrayCompositeDisposable acd = new ArrayCompositeDisposable(2);

            Runnable r = new Runnable() {
                @Override
                public void run() {
                    acd.setResource(0, Disposables.empty());
                }
            };

            TestHelper.race(r, r, Schedulers.io());
        }
    }

}