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Diffstat (limited to 'js/src/tests/test262/built-ins/Promise/prototype/then/resolve-settled-fulfilled-self.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Promise/prototype/then/resolve-settled-fulfilled-self.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Promise/prototype/then/resolve-settled-fulfilled-self.js b/js/src/tests/test262/built-ins/Promise/prototype/then/resolve-settled-fulfilled-self.js new file mode 100644 index 0000000000..89c4f064b8 --- /dev/null +++ b/js/src/tests/test262/built-ins/Promise/prototype/then/resolve-settled-fulfilled-self.js @@ -0,0 +1,57 @@ +// |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 a reference to the promise itself from a fulfilled promise +es6id: 25.4.5.3 +info: | + [...] + 7. Return PerformPromiseThen(promise, onFulfilled, onRejected, + resultCapability). + + 25.4.5.3.1 PerformPromiseThen + [...] + 8. Else if the value of promise's [[PromiseState]] internal slot is + "fulfilled", + a. Let value be the value of promise's [[PromiseResult]] internal slot. + b. EnqueueJob("PromiseJobs", PromiseReactionJob, «fulfillReaction, + value»). + + 25.4.2.1 PromiseReactionJob + [...] + 8. Let status be Call(promiseCapability.[[Resolve]], undefined, + «handlerResult.[[value]]»). + [...] + + 25.4.1.3.2 Promise Resolve Functions + [...] + 6. If SameValue(resolution, promise) is true, then + a. Let selfResolutionError be a newly created TypeError object. + b. Return RejectPromise(promise, selfResolutionError). +flags: [async] +---*/ + +var p1 = new Promise(function(resolve) { + resolve(); +}); +var p2; + +p2 = p1.then(function() { + return p2; +}); + +p2.then(function() { + $DONE('The promise should not be fulfilled.'); +}, function(reason) { + if (!reason) { + $DONE('The promise should be rejected with a value.'); + return; + } + + if (reason.constructor !== TypeError) { + $DONE('The promise should be rejected with a TypeError instance.'); + return; + } + + $DONE(); +}); |