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/**

* Copyright 2013 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;

import static org.junit.Assert.*;

import java.util.concurrent.atomic.AtomicBoolean;

import java.util.concurrent.atomic.AtomicReference;

import org.junit.Test;

import rx.util.functions.Action0;

import rx.util.functions.Action1;

public class ObservableDoOnTest {

@Test

public void testDoOnEach() {

final AtomicReference<String> r = new AtomicReference<String>();

String output = Observable.from("one").doOnEach(new Action1<String>() {

@Override

public void call(String v) {

r.set(v);

}

}).toBlockingObservable().single();

assertEquals("one", output);

assertEquals("one", r.get());

}

@Test

public void testDoOnError() {

final AtomicReference<Throwable> r = new AtomicReference<Throwable>();

Throwable t = null;

try {

Observable.<String> error(new RuntimeException("an error")).doOnError(new Action1<Throwable>() {

@Override

public void call(Throwable v) {

r.set(v);

}

}).toBlockingObservable().single();

fail("expected exception, not a return value");

} catch (Throwable e) {

t = e;

}

assertNotNull(t);

assertEquals(t, r.get());

}

@Test

public void testDoOnCompleted() {

final AtomicBoolean r = new AtomicBoolean();

String output = Observable.from("one").doOnCompleted(new Action0() {

@Override

public void call() {

r.set(true);

}

}).toBlockingObservable().single();

assertEquals("one", output);

assertTrue(r.get());

}

}