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'use strict';
const assert = require('assert');
const Limiter = require('../lib/limiter');
describe('Limiter', () => {
describe('#ctor', () => {
it('takes a `concurrency` argument', () => {
const limiter = new Limiter(0);
assert.strictEqual(limiter.concurrency, Infinity);
});
});
describe('#kRun', () => {
it('limits the number of jobs allowed to run concurrently', (done) => {
const limiter = new Limiter(1);
limiter.add((callback) => {
setImmediate(() => {
callback();
assert.strictEqual(limiter.jobs.length, 0);
assert.strictEqual(limiter.pending, 1);
});
});
limiter.add((callback) => {
setImmediate(() => {
callback();
assert.strictEqual(limiter.pending, 0);
done();
});
});
assert.strictEqual(limiter.jobs.length, 1);
});
});
});
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