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var async = require('../lib');
var expect = require('chai').expect;
var assert = require('assert');
describe('times', function() {
it('times', function(done) {
async.times(5, function(n, next) {
next(null, n);
}, function(err, results) {
assert(err === null, err + " passed instead of 'null'");
expect(results).to.eql([0,1,2,3,4]);
done();
});
});
it('times 3', function(done) {
var args = [];
async.times(3, function(n, callback){
setTimeout(function(){
args.push(n);
callback();
}, n * 25);
}, function(err){
if (err) throw err;
expect(args).to.eql([0,1,2]);
done();
});
});
it('times 0', function(done) {
async.times(0, function(n, callback){
assert(false, 'iteratee should not be called');
callback();
}, function(err){
if (err) throw err;
assert(true, 'should call callback');
});
setTimeout(done, 25);
});
it('times error', function(done) {
async.times(3, function(n, callback){
callback('error');
}, function(err){
expect(err).to.equal('error');
});
setTimeout(done, 50);
});
it('timesSeries', function(done) {
var call_order = [];
async.timesSeries(5, function(n, callback){
setTimeout(function(){
call_order.push(n);
callback(null, n);
}, 100 - n * 10);
}, function(err, results){
expect(call_order).to.eql([0,1,2,3,4]);
expect(results).to.eql([0,1,2,3,4]);
done();
});
});
it('timesSeries error', function(done) {
async.timesSeries(5, function(n, callback){
callback('error');
}, function(err){
expect(err).to.equal('error');
});
setTimeout(done, 50);
});
it('timesLimit', function(done) {
var limit = 2;
var running = 0;
async.timesLimit(5, limit, function (i, next) {
running++;
assert(running <= limit && running > 0, running);
setTimeout(function () {
running--;
next(null, i * 2);
}, (3 - i) * 10);
}, function(err, results){
assert(err === null, err + " passed instead of 'null'");
expect(results).to.eql([0, 2, 4, 6, 8]);
done();
});
});
});
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