Strict mode Failing
Expected no error, got SyntaxError: warning: the variable "Promise" was not declared in function "global"
Features:
- ∅
Expected no error, got SyntaxError: warning: the variable "Promise" was not declared in function "global"
// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: Resolving with an object with a "poisoned" `then` property from a pending promise that is later fulfilled es6id: 25.4.5.3 info: | [...] 7. Return PerformPromiseThen(promise, onFulfilled, onRejected, resultCapability). 25.4.5.3.1 PerformPromiseThen [...] 7. If the value of promise's [[PromiseState]] internal slot is "pending", a. Append fulfillReaction as the last element of the List that is the value of promise's [[PromiseFulfillReactions]] internal slot. [...] 25.4.1.3.2 Promise Resolve Functions [...] 8. Let then be Get(resolution, "then"). 9. If then is an abrupt completion, then a. Return RejectPromise(promise, then.[[value]]). flags: [async] ---*/ var value = {}; var resolve; var poisonedThen = Object.defineProperty({}, 'then', { get: function() { throw value; } }); var p1 = new Promise(function(_resolve) { resolve = _resolve; }); var p2; p2 = p1.then(function() { return poisonedThen; }); p2.then(function(x) { $DONE('The promise should not be fulfilled.'); }, function(x) { if (x !== value) { $DONE('The promise should be rejected with the thrown exception.'); return; } $DONE(); }); resolve();