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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Invocation of the constructor's `resolve` method
es6id: 25.4.4.1
info: |
11. Let result be PerformPromiseAll(iteratorRecord, C, promiseCapability).
[...]
25.4.4.1.1 Runtime Semantics: PerformPromiseAll
[...]
6. Repeat
[...]
i. Let nextPromise be Invoke(constructor, "resolve", «nextValue»).
---*/
var p1 = new Promise(function() {});
var p2 = new Promise(function() {});
var p3 = new Promise(function() {});
var resolve = Promise.resolve;
var callCount = 0;
var current = p1;
var next = p2;
var afterNext = p3;
Promise.resolve = function(nextValue) {
assert.sameValue(
nextValue, current, '`resolve` invoked with next iterated value'
);
assert.sameValue(
arguments.length, 1, '`resolve` invoked with a single argument'
);
assert.sameValue(this, Promise, '`this` value is the constructor');
current = next;
next = afterNext;
afterNext = null;
callCount += 1;
return resolve.apply(Promise, arguments);
};
Promise.all([p1, p2, p3]);
assert.sameValue(
callCount, 3, '`resolve` invoked once for each iterated value'
);
reportCompare(0, 0);
|
