foreachasync.js/test-native.js

37 lines
912 B
JavaScript

(function () {
"use strict";
var forEachAsync = require('./forEachAsync').forEachAsync.create(Promise)
, context = {}
;
forEachAsync([0, 500, 70, 200, 400, 100], function (element, i, arr) {
var p
;
// test that thisness is applied
this[element] = i;
if (i % 2) {
// test that synchronous callbacks don't mess things up
p = Promise.resolve();
} else {
// test asynchronous callbacks
p = new Promise(function (resolve/*, reject*/) {
setTimeout(resolve, element);
});
}
return p.then(function () {
// test that array order is as expected
console.log(element, 'is element', i, 'of', arr.length);
});
}, context).then(function () {
// test that thisness carried
console.log('context', context);
}).then(function () {
// test then chaining
console.log("now wasn't that nice?");
});
}());