/** * 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.internal.operators; import static org.junit.Assert.assertEquals; import java.util.Arrays; import org.junit.Test; import rx.Observable; public class OperatorElementAtTest { @Test public void testElementAt() { assertEquals(2, Observable.from(Arrays.asList(1, 2)).elementAt(1).toBlocking().single() .intValue()); } @Test(expected = IndexOutOfBoundsException.class) public void testElementAtWithMinusIndex() { Observable.from(Arrays.asList(1, 2)).elementAt(-1); } @Test(expected = IndexOutOfBoundsException.class) public void testElementAtWithIndexOutOfBounds() { Observable.from(Arrays.asList(1, 2)).elementAt(2).toBlocking().single(); } @Test public void testElementAtOrDefault() { assertEquals(2, Observable.from(Arrays.asList(1, 2)).elementAtOrDefault(1, 0).toBlocking() .single().intValue()); } @Test public void testElementAtOrDefaultWithIndexOutOfBounds() { assertEquals(0, Observable.from(Arrays.asList(1, 2)).elementAtOrDefault(2, 0).toBlocking() .single().intValue()); } @Test(expected = IndexOutOfBoundsException.class) public void testElementAtOrDefaultWithMinusIndex() { Observable.from(Arrays.asList(1, 2)).elementAtOrDefault(-1, 0); } }