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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/Promise/resolve-prms-cstm-then-deferred.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/Promise/resolve-prms-cstm-then-deferred.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Promise/resolve-prms-cstm-then-deferred.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Promise/resolve-prms-cstm-then-deferred.js b/js/src/tests/test262/built-ins/Promise/resolve-prms-cstm-then-deferred.js new file mode 100644 index 0000000000..688dfb9848 --- /dev/null +++ b/js/src/tests/test262/built-ins/Promise/resolve-prms-cstm-then-deferred.js @@ -0,0 +1,55 @@ +// |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 resolved Promise instance whose `then` method has been + overridden after execution of the executor function +es6id: 25.4.3.1 +info: | + [...] + 8. Let resolvingFunctions be CreateResolvingFunctions(promise). + 9. Let completion be Call(executor, undefined, + «resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»). + + 25.4.1.3.2 Promise Resolve Functions + [...] + 8. Let then be Get(resolution, "then"). + 9. If then is an abrupt completion, then + [...] + 10. Let thenAction be then.[[value]]. + 11. If IsCallable(thenAction) is false, then + [...] + 12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob, + «promise, resolution, thenAction») +flags: [async] +---*/ + +var returnValue = null; +var value = {}; +var resolve; +var thenable = new Promise(function(resolve) { + resolve(); +}); +var promise = new Promise(function(_resolve) { + resolve = _resolve; +}); + +thenable.then = function(resolve) { + resolve(value); +}; + +promise.then(function(val) { + if (val !== value) { + $DONE('The promise should be fulfilled with the provided value.'); + return; + } + + $DONE(); +}, function() { + $DONE('The promise should not be rejected.'); +}); + +returnValue = resolve(thenable); + +assert.sameValue(returnValue, undefined, '"resolve" return value'); |