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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/AsyncGeneratorFunction/instance-length.js
parentInitial commit. (diff)
downloadfirefox-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/AsyncGeneratorFunction/instance-length.js')
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diff --git a/js/src/tests/test262/built-ins/AsyncGeneratorFunction/instance-length.js b/js/src/tests/test262/built-ins/AsyncGeneratorFunction/instance-length.js
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+// 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);