diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
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/regular-subclassing.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/regular-subclassing.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/regular-subclassing.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/regular-subclassing.js new file mode 100644 index 0000000000..55a8c2ded5 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/GeneratorFunction/regular-subclassing.js @@ -0,0 +1,31 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 25.2.1 +description: Subclassing GeneratorFunction +info: | + 25.2.1 The GeneratorFunction Constructor + + ... + + GeneratorFunction is designed to be subclassable. It may be used as the value + of an extends clause of a class definition. Subclass constructors that intend + to inherit the specified GeneratorFunction behaviour must include a super call + to the GeneratorFunction constructor to create and initialize subclass + instances with the internal slots necessary for built-in GeneratorFunction + behaviour. + ... +---*/ + +var GeneratorFunction = Object.getPrototypeOf(function* () {}).constructor; + +class Gfn extends GeneratorFunction {} + +var gfn = new Gfn('a', 'yield a; yield a * 2;'); + +var iter = gfn(42); + +assert.sameValue(iter.next().value, 42); +assert.sameValue(iter.next().value, 84); + +reportCompare(0, 0); |