/*
 * Copyright (c) 2008-2021, Hazelcast, Inc. All Rights Reserved.
 *
 * 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 com.hazelcast.jet.pipeline;

import com.hazelcast.jet.pipeline.test.TestSources;
import org.junit.Test;

import static org.assertj.core.api.Assertions.assertThat;

public class PipelineTest {

    @Test
    public void isEmpty() {
        // given
        Pipeline p1 = Pipeline.create();
        Pipeline p2 = Pipeline.create();

        p2.readFrom(TestSources.items(1, 2, 3));

        // when
        boolean p1Empty = p1.isEmpty();
        boolean p2Empty = p2.isEmpty();

        // then
        assertThat(p1Empty).isTrue();
        assertThat(p2Empty).isFalse();
    }

}
