SingleDelayTest.java

/**
 * 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.operators.single;

import static org.junit.Assert.assertEquals;

import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

import org.junit.Test;

import io.reactivex.*;
import io.reactivex.functions.BiConsumer;
import io.reactivex.schedulers.Schedulers;

public class SingleDelayTest {
    @Test
    public void delay() throws Exception {
        final AtomicInteger value = new AtomicInteger();
        
        Single.just(1).delay(200, TimeUnit.MILLISECONDS)
        .subscribe(new BiConsumer<Integer, Throwable>() {
            @Override
            public void accept(Integer v, Throwable e) throws Exception {
                value.set(v);
            }
        });
        
        Thread.sleep(100);
        
        assertEquals(0, value.get());
        
        Thread.sleep(200);
        
        assertEquals(1, value.get());
    }
    
    @Test
    public void delaySubscriptionCompletable() throws Exception {
        Single.just(1).delaySubscription(Completable.complete().delay(100, TimeUnit.MILLISECONDS))
        .test()
        .awaitDone(5, TimeUnit.SECONDS)
        .assertResult(1);
    }

    @Test
    public void delaySubscriptionObservable() throws Exception {
        Single.just(1).delaySubscription(Observable.timer(100, TimeUnit.MILLISECONDS))
        .test()
        .awaitDone(5, TimeUnit.SECONDS)
        .assertResult(1);
    }

    @Test
    public void delaySubscriptionFlowable() throws Exception {
        Single.just(1).delaySubscription(Flowable.timer(100, TimeUnit.MILLISECONDS))
        .test()
        .awaitDone(5, TimeUnit.SECONDS)
        .assertResult(1);
    }

    @Test
    public void delaySubscriptionSingle() throws Exception {
        Single.just(1).delaySubscription(Single.timer(100, TimeUnit.MILLISECONDS))
        .test()
        .awaitDone(5, TimeUnit.SECONDS)
        .assertResult(1);
    }

    @Test
    public void delaySubscriptionTime() throws Exception {
        Single.just(1).delaySubscription(100, TimeUnit.MILLISECONDS)
        .test()
        .awaitDone(5, TimeUnit.SECONDS)
        .assertResult(1);
    }

    @Test
    public void delaySubscriptionTimeCustomScheduler() throws Exception {
        Single.just(1).delaySubscription(100, TimeUnit.MILLISECONDS, Schedulers.io())
        .test()
        .awaitDone(5, TimeUnit.SECONDS)
        .assertResult(1);
    }

}