get-wait-for-all-promise.js

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// |reftest| skip-if(!xulRuntime.shell) -- needs getSelfHostedValue and drainJobQueue

function onResolved(val) {

    result = 'resolved with ' + val;

function onRejected(val) {

    result = 'rejected with ' + val;

// Replacing `Promise#then` shouldn't affect getWaitForAllPromise.

let originalThen = Promise.prototype.then;

Promise.prototype.then = 1;

// Replacing Promise[@@species] shouldn't affect getWaitForAllPromise.

Object.defineProperty(Promise, Symbol.species, { get: function(){} });

// Replacing `Promise` shouldn't affect getWaitForAllPromise.

let PromiseCtor = Promise;

Promise = {};

// Replacing Array[@@iterator] shouldn't affect getWaitForAllPromise.

Array.prototype[Symbol.iterator] = function(){};

let resolveFunctions = [];

let rejectFunctions = [];

let promises = [];

for (let i = 0; i < 3; i++) {

    let p = new PromiseCtor(function(res_, rej_) {

        resolveFunctions.push(res_);

        rejectFunctions.push(rej_);

});

    promises.push(p);

let allPromise = getWaitForAllPromise(promises);

let then = originalThen.call(allPromise, onResolved, onRejected);

resolveFunctions.forEach((fun, i)=>fun(i));

drainJobQueue();

assertEq(result, 'resolved with 0,1,2');

// Empty lists result in a promise resolved with an empty array.

result = undefined;

originalThen.call(getWaitForAllPromise([]), v=>(result = v));

drainJobQueue();

assertEq(result instanceof Array, true);

assertEq(result.length, 0);

//Empty lists result in a promise resolved with an empty array.

result = undefined;

originalThen.call(getWaitForAllPromise([]), v=>(result = v));

drainJobQueue();

assertEq(result instanceof Array, true);

assertEq(result.length, 0);

this.reportCompare && reportCompare(true,true);