diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Promise/race/invoke-resolve-on-promises-every-iteration-of-promise.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Promise/race/invoke-resolve-on-promises-every-iteration-of-promise.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Promise/race/invoke-resolve-on-promises-every-iteration-of-promise.js b/js/src/tests/test262/built-ins/Promise/race/invoke-resolve-on-promises-every-iteration-of-promise.js new file mode 100644 index 0000000000..1f5857c182 --- /dev/null +++ b/js/src/tests/test262/built-ins/Promise/race/invoke-resolve-on-promises-every-iteration-of-promise.js @@ -0,0 +1,35 @@ +// |reftest| async +// Copyright (C) 2020 Rick Waldron. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: > + Invocation of the constructor's `resolve` method for iterable with promise values +esid: sec-promise.race +info: | + Let result be PerformPromiseRace(iteratorRecord, C, promiseCapability, promiseResolve). + + PerformPromiseRace + + Repeat + ... + i. Let nextPromise be ? Call(promiseResolve, constructor, « nextValue »). + +flags: [async] +features: [arrow-function] +---*/ + +let values = [1, 1, 1]; +let callCount = 0; +let boundPromiseResolve = Promise.resolve.bind(Promise); + +Promise.resolve = function(...args) { + callCount += 1; + return boundPromiseResolve(...args); +}; + +Promise.race(values) + .then(() => { + assert.sameValue(callCount, 3, '`then` invoked once for every item in iterable arg'); + }).then($DONE, $DONE); + |