/**
 * Copyright 2014 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 rx.operators;

import static org.junit.Assert.*;
import static org.mockito.Mockito.*;

import java.util.concurrent.atomic.AtomicInteger;

import org.junit.Test;

import rx.Observable;
import rx.Observer;
import rx.functions.Action1;

public class OnSubscribeRangeTest {

    @Test
    public void testRangeStartAt2Count3() {
        @SuppressWarnings("unchecked")
        Observer<Integer> observer = mock(Observer.class);
        Observable.range(2, 3).subscribe(observer);

        verify(observer, times(1)).onNext(2);
        verify(observer, times(1)).onNext(3);
        verify(observer, times(1)).onNext(4);
        verify(observer, never()).onNext(5);
        verify(observer, never()).onError(org.mockito.Matchers.any(Throwable.class));
        verify(observer, times(1)).onCompleted();
    }

    @Test
    public void testRangeUnsubscribe() {
        @SuppressWarnings("unchecked")
        Observer<Integer> observer = mock(Observer.class);
        final AtomicInteger count = new AtomicInteger();
        Observable.range(1, 1000).doOnNext(new Action1<Integer>() {

            @Override
            public void call(Integer t1) {
                count.incrementAndGet();
            }

        }).take(3).subscribe(observer);

        verify(observer, times(1)).onNext(1);
        verify(observer, times(1)).onNext(2);
        verify(observer, times(1)).onNext(3);
        verify(observer, never()).onNext(4);
        verify(observer, never()).onError(org.mockito.Matchers.any(Throwable.class));
        verify(observer, times(1)).onCompleted();
        assertEquals(3, count.get());
    }
}
