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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/test262/built-ins/AsyncGeneratorFunction/instance-length.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/AsyncGeneratorFunction/instance-length.js')
-rw-r--r-- | js/src/tests/test262/built-ins/AsyncGeneratorFunction/instance-length.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/AsyncGeneratorFunction/instance-length.js b/js/src/tests/test262/built-ins/AsyncGeneratorFunction/instance-length.js new file mode 100644 index 0000000000..c5de2941b7 --- /dev/null +++ b/js/src/tests/test262/built-ins/AsyncGeneratorFunction/instance-length.js @@ -0,0 +1,47 @@ +// Copyright (C) 2018 Valerie Young. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-asyncgeneratorfunction +description: Definition of instance `length` property +info: | + AsyncGeneratorFunction ( p1, p2, … , pn, body ) + ... + 3. Return CreateDynamicFunction(C, NewTarget, "async generator", args). + + Runtime Semantics: CreateDynamicFunction + ... + // the parameter "args" is sliced into "parameters" and "body" + 26. Perform FunctionInitialize(F, Normal, parameters, body, scope). + ... + + FunctionInitialize + ... + 2. Let len be the ExpectedArgumentCount of ParameterList. + 3. Perform ! DefinePropertyOrThrow(F, "length", + PropertyDescriptor{[[Value]]: len, [[Writable]]: false, [[Enumerable]]: + false, [[Configurable]]: true}). + ... +includes: [propertyHelper.js] +features: [async-iteration] +---*/ + +var AsyncGeneratorFunction = Object.getPrototypeOf(async function* () {}).constructor; + +var instance = AsyncGeneratorFunction() + +verifyProperty(AsyncGeneratorFunction(), "length", { + value: 0, + enumerable: false, + writable: false, + configurable: true, +}); + +assert.sameValue(AsyncGeneratorFunction('').length, 0, "test 1"); +assert.sameValue(AsyncGeneratorFunction('x').length, 0, "test 2"); +assert.sameValue(AsyncGeneratorFunction('x', '').length, 1, "test 3"); +assert.sameValue(AsyncGeneratorFunction('x', 'y', '').length, 2, "test 4"); +assert.sameValue(AsyncGeneratorFunction('x, y', '').length, 2, "test 5"); + + + +reportCompare(0, 0); |