omelop/dist/test/util/countDownLatch.js

[](https://travis-ci.org/node-omelop/omelop)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
let CountDownLatch = require('../../lib/util/countDownLatch');
require("should");
// import { describe, it } from "mocha-typescript"
let cbCreator = (function () {
    let count = 0;
    return {
        callback: function () {
            count++;
        },
        getCount: function () {
            return count;
        },
        count: count
    };
})();
describe('countdown latch test', function () {
    let countDownLatch1;
    let countDownLatch2;
    describe('#count down', function () {
        it('should invoke the callback after the done method was invoked the specified times', function (done) {
            let n = 3, doneCount = 0;
            let cdl = CountDownLatch.createCountDownLatch(n, function () {
                doneCount.should.equal(n);
                done();
            });
            for (let i = 0; i < n; i++) {
                doneCount++;
                cdl.done();
            }
        });
        it('should throw exception if pass a negative or zero to the create method', function () {
            (function () {
                CountDownLatch.createCountDownLatch(-1, function () {
                });
            }).should.throw();
            (function () {
                CountDownLatch.createCountDownLatch(0, function () {
                });
            }).should.throw();
        });
        it('should throw exception if pass illegal cb to the create method', function () {
            (function () {
                CountDownLatch.createCountDownLatch(1, null);
            }).should.throw();
        });
        it('should throw exception if try to invoke done metho of a latch that has fired cb', function () {
            let n = 3;
            let cdl = CountDownLatch.createCountDownLatch(n, function () {
            });
            for (let i = 0; i < n; i++) {
                cdl.done();
            }
            (function () {
                cdl.done();
            }).should.throw();
        });
        it('should invoke the callback if timeout', function () {
            let n = 3;
            let cdl = CountDownLatch.createCountDownLatch(n, { timeout: 3000 }, function (isTimeout) {
                isTimeout.should.equal(true);
            });
            for (let i = 0; i < n - 1; i++) {
                cdl.done();
            }
        });
    });
});
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