/**
 * 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.junit.Assert.*;
import org.junit.Test;

import io.reactivex.Observable;
import io.reactivex.internal.functions.Functions;
import io.reactivex.internal.fuseable.HasUpstreamObservableSource;

public class AbstractObservableWithUpstreamTest {

    @SuppressWarnings("unchecked")
    @Test
    public void source() {
        Observable<Integer> o = Observable.just(1);

        assertSame(o, ((HasUpstreamObservableSource<Integer>)o.map(Functions.<Integer>identity())).source());
    }
}
