/** * Copyright (c) 2016-present, RxJava Contributors. * * 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.observable; import static org.mockito.Mockito.*; import org.junit.Test; import io.reactivex.*; public class ObservableCastTest { @Test public void testCast() { Observable<?> source = Observable.just(1, 2); Observable<Integer> observable = source.cast(Integer.class); Observer<Integer> observer = TestHelper.mockObserver(); observable.subscribe(observer); verify(observer, times(1)).onNext(1); verify(observer, times(1)).onNext(1); verify(observer, never()).onError( any(Throwable.class)); verify(observer, times(1)).onComplete(); } @Test public void testCastWithWrongType() { Observable<?> source = Observable.just(1, 2); Observable<Boolean> observable = source.cast(Boolean.class); Observer<Boolean> observer = TestHelper.mockObserver(); observable.subscribe(observer); verify(observer, times(1)).onError( any(ClassCastException.class)); } }