24 lines
561 B
JavaScript
24 lines
561 B
JavaScript
|
// Copyright 2015 the V8 project authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
// Flags: --allow-natives-syntax
|
||
|
|
|
||
|
|
function assertAsync(b, s) {
|
||
|
|
if (!b) {
|
||
|
|
%AbortJS(" FAILED!")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var handler = {
|
||
|
|
get: function(target, name) {
|
||
|
|
if (name === 'then') {
|
||
|
|
return (val) => Promise.prototype.then.call(target, val);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
var target = new Promise(r => r(42));
|
||
|
|
var p = new Proxy(target, handler);
|
||
|
|
Promise.resolve(p).then((val) => assertAsync(val === 42));
|