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StartWithTests.java
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63 lines (51 loc) · 1.92 KB
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/**
* Copyright 2015 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;
import static org.junit.Assert.assertEquals;
import java.util.*;
import org.junit.Test;
public class StartWithTests {
@Test
public void startWith1() {
List<String> values = Observable.just("one", "two")
.startWithArray("zero").toList().toBlocking().single();
assertEquals("zero", values.get(0));
assertEquals("two", values.get(2));
}
@Test
public void startWithIterable() {
List<String> li = new ArrayList<>();
li.add("alpha");
li.add("beta");
List<String> values = Observable.just("one", "two").startWith(li).toList().toBlocking().single();
assertEquals("alpha", values.get(0));
assertEquals("beta", values.get(1));
assertEquals("one", values.get(2));
assertEquals("two", values.get(3));
}
@Test
public void startWithObservable() {
List<String> li = new ArrayList<>();
li.add("alpha");
li.add("beta");
List<String> values = Observable.just("one", "two")
.startWith(Observable.fromIterable(li))
.toList()
.toBlocking()
.single();
assertEquals("alpha", values.get(0));
assertEquals("beta", values.get(1));
assertEquals("one", values.get(2));
assertEquals("two", values.get(3));
}
}