test262/harness/timer.js

22 lines
762 B
JavaScript

//setTimeout is not available, hence this script was loaded
if(Promise === undefined && this.setTimeout === undefined){
if(/\$DONE()/.test(code))
$ERROR("Async test capability is not supported in your test environment");
}
if(Promise !== undefined && this.setTimeout === undefined)
(function(that){
that.setTimeout = function(callback, delay) {
var p = Promise.resolve();
var start = Date.now();
var end = start + delay;
function check(){
var timeLeft = end - Date.now();
if(timeLeft > 0)
p.then(check);
else
callback();
}
p.then(check);
}
})(this);