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Diffstat (limited to 'js/src/tests/test262/built-ins/Promise/any/invoke-resolve-on-values-every-iteration-of-custom.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Promise/any/invoke-resolve-on-values-every-iteration-of-custom.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Promise/any/invoke-resolve-on-values-every-iteration-of-custom.js b/js/src/tests/test262/built-ins/Promise/any/invoke-resolve-on-values-every-iteration-of-custom.js new file mode 100644 index 0000000000..83955852c6 --- /dev/null +++ b/js/src/tests/test262/built-ins/Promise/any/invoke-resolve-on-values-every-iteration-of-custom.js @@ -0,0 +1,44 @@ +// |reftest| async +// Copyright (C) 2019 Sergey Rubanov. 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 non-promise values +esid: sec-promise.any +info: | + 5. Let result be PerformPromiseAny(iteratorRecord, C, promiseCapability). + + Runtime Semantics: PerformPromiseAny + + 8. Repeat + ... + i. Let nextPromise be ? Call(promiseResolve, constructor, « nextValue »). + +flags: [async] +features: [Promise.any, class, arrow-function] +---*/ +class Custom extends Promise {} + +let values = [1, 2, 3]; +let cresolveCallCount = 0; +let presolveCallCount = 0; +let boundCustomResolve = Custom.resolve.bind(Custom); +let boundPromiseResolve = Promise.resolve.bind(Promise); + +Custom.resolve = function(...args) { + cresolveCallCount += 1; + return boundCustomResolve(...args); +}; + +Promise.resolve = function(...args) { + presolveCallCount += 1; + return boundPromiseResolve(...args); +}; + +Promise.any.call(Custom, values) + .then(() => { + assert.sameValue(presolveCallCount, 0, '`Promise.resolve` is never invoked'); + assert.sameValue(cresolveCallCount, 3, '`Custom.resolve` invoked once for every iterated promise'); + }).then($DONE, $DONE); + |