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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/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-name.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/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-name.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-name.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-name.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-name.js new file mode 100644 index 0000000000..69be80c2e4 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/instance-name.js @@ -0,0 +1,48 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 25.2.4.2 +description: Subclassed GeneratorFunction instances `name` property +info: | + 25.2.4.2 name + + The specification for the name property of Function instances given in + 19.2.4.2 also applies to GeneratorFunction instances. + + 19.2.4.2 name + + The value of the name property is an String that is descriptive of the + function. The name has no semantic significance but is typically a variable or + property name that is used to refer to the function at its point of definition + in ECMAScript code. This property has the attributes { [[Writable]]: false, + [[Enumerable]]: false, [[Configurable]]: true }. + + Anonymous functions objects that do not have a contextual name associated with + them by this specification do not have a name own property but inherit the + name property of %FunctionPrototype%. + + 19.2.1.1.1 RuntimeSemantics: CreateDynamicFunction(constructor, newTarget, + kind, args) + + ... + 29. Perform SetFunctionName(F, "anonymous"). + ... +includes: [propertyHelper.js] +---*/ + +var GeneratorFunction = Object.getPrototypeOf(function* () {}).constructor; + +class GFn extends GeneratorFunction {} + +var gfn = new GFn('a', 'b', 'return a + b'); + +assert.sameValue( + gfn.name, 'anonymous', + 'Dynamic Functions are called anonymous' +); + +verifyNotEnumerable(gfn, 'name'); +verifyNotWritable(gfn, 'name'); +verifyConfigurable(gfn, 'name'); + +reportCompare(0, 0); |