/*
 * 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.rxjava4.internal.subscribers;

import static org.junit.Assert.*;

import org.junit.Test;
import static java.util.concurrent.Flow.*;

import io.reactivex.rxjava4.core.*;
import io.reactivex.rxjava4.disposables.*;
import io.reactivex.rxjava4.exceptions.TestException;
import io.reactivex.rxjava4.functions.Function;
import io.reactivex.rxjava4.internal.subscriptions.BooleanSubscription;
import io.reactivex.rxjava4.subscribers.TestSubscriber;
import io.reactivex.rxjava4.testsupport.TestHelper;

public class SubscriberResourceWrapperTest extends RxJavaTest {

    TestSubscriber<Integer> ts = new TestSubscriber<>();

    SubscriberResourceWrapper<Integer> s = new SubscriberResourceWrapper<>(ts);

    @Test
    public void cancel() {
        BooleanSubscription bs = new BooleanSubscription();
        Disposable d = Disposable.empty();

        s.setResource(d);

        s.onSubscribe(bs);

        assertFalse(d.isDisposed());
        assertFalse(s.isDisposed());

        ts.cancel();

        assertTrue(bs.isCancelled());
        assertTrue(d.isDisposed());
        assertTrue(s.isDisposed());
    }

    @Test
    public void error() {
        BooleanSubscription bs = new BooleanSubscription();
        Disposable d = Disposable.empty();

        s.setResource(d);

        s.onSubscribe(bs);

        s.onError(new TestException());

        assertTrue(d.isDisposed());
        assertFalse(bs.isCancelled());

        ts.assertFailure(TestException.class);
    }

    @Test
    public void complete() {
        BooleanSubscription bs = new BooleanSubscription();
        Disposable d = Disposable.empty();

        s.setResource(d);

        s.onSubscribe(bs);

        s.onComplete();

        assertTrue(d.isDisposed());
        assertFalse(bs.isCancelled());

        ts.assertResult();
    }

    @Test
    public void doubleOnSubscribe() {
        TestHelper.checkDoubleOnSubscribeFlowable(new Function<Flowable<Object>, Flowable<Object>>() {
            @Override
            public Flowable<Object> apply(Flowable<Object> f) throws Exception {
                return f.lift(new FlowableOperator<Object, Object>() {
                    @Override
                    public Subscriber<? super Object> apply(
                            Subscriber<? super Object> s) throws Exception {
                        return new SubscriberResourceWrapper<>(s);
                    }
                });
            }
        });
    }

    @Test
    public void badRequest() {
        TestHelper.assertBadRequestReported(Flowable.never().lift(new FlowableOperator<Object, Object>() {
            @Override
            public Subscriber<? super Object> apply(
                    Subscriber<? super Object> s) throws Exception {
                return new SubscriberResourceWrapper<>(s);
            }
        }));
    }
}
