diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Promise/prototype/then/resolve-settled-rejected-poisoned-then.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Promise/prototype/then/resolve-settled-rejected-poisoned-then.js | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Promise/prototype/then/resolve-settled-rejected-poisoned-then.js b/js/src/tests/test262/built-ins/Promise/prototype/then/resolve-settled-rejected-poisoned-then.js new file mode 100644 index 0000000000..2f33c820bb --- /dev/null +++ b/js/src/tests/test262/built-ins/Promise/prototype/then/resolve-settled-rejected-poisoned-then.js @@ -0,0 +1,58 @@ +// |reftest| async +// 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 rejected promise +es6id: 25.4.5.3 +info: | + [...] + 7. Return PerformPromiseThen(promise, onFulfilled, onRejected, + resultCapability). + + 25.4.5.3.1 PerformPromiseThen + [...] + 9. Else if the value of promise's [[PromiseState]] internal slot is + "rejected", + a. Let reason be the value of promise's [[PromiseResult]] internal slot. + b. Perform EnqueueJob("PromiseJobs", PromiseReactionJob, + «rejectReaction, reason»). + + 25.4.2.1 PromiseReactionJob + [...] + 8. Let status be Call(promiseCapability.[[Resolve]], undefined, + «handlerResult.[[value]]»). + [...] + + 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 poisonedThen = Object.defineProperty({}, 'then', { + get: function() { + throw value; + } +}); +var p1 = new Promise(function(_, reject) { + reject(); +}); +var p2; + +p2 = p1.then(function() {}, 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(); +}); |