/**
 * 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 { LimitedBufferQueue } from '../../src/util/collections/LimitedBufferQueue';

describe('LimitedBufferQueue', () => {

    it('Should enqueue and dequeue element if buffer size is enough', () => {
        const sut = new LimitedBufferQueue(1);
        const el = 'test';
        sut.enqueue(el)
        expect(sut.dequeue()).toEqual(el);
    });

    it('Should reject enqueue if buffer size is not enough', (done) => {
        const sut = new LimitedBufferQueue(0);
        const el = 'test';
        try {
            sut.enqueue(el);
        } catch (error) {
            done();
        }
    });

});