/**
 * Copyright 2017-2020 Plexus Interop Deutsche Bank AG
 * SPDX-License-Identifier: Apache-2.0
 *
 * 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.
 */
import { SequencedExecutor } from '../../src/util/async/SequencedExecutor';

describe('SequencedExecutor', () => {

    const sut = new SequencedExecutor();

    it('Executus tasks in a row', (done) => {
        let counter = 0;
        sut.submit(async () => {
            counter++;
        });
        sut.submit(async () => {      
            if (counter === 1) {
                done();
            }
        });
    });

    it('Executus tasks if previous failed', (done) => {
        sut.submit(async () => {
            throw new Error('Failed');
        }).catch(e => {});
        sut.submit(async () => done());
    });

});