/** * 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.flowable; import static org.junit.Assert.assertSame; import org.junit.Test; import io.reactivex.Flowable; import io.reactivex.internal.functions.Functions; import io.reactivex.internal.fuseable.HasUpstreamPublisher; public class AbstractFlowableWithUpstreamTest { @SuppressWarnings("unchecked") @Test public void source() { Flowable<Integer> o = Flowable.just(1); assertSame(o, ((HasUpstreamPublisher<Integer>)o.map(Functions.<Integer>identity())).source()); } }