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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/built-ins/Object/prototype/extensibility.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/built-ins/Object/prototype/extensibility.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/prototype/extensibility.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/prototype/extensibility.js b/js/src/tests/test262/built-ins/Object/prototype/extensibility.js new file mode 100644 index 0000000000..a65c158c7e --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/prototype/extensibility.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. +/*--- +esid: sec-properties-of-the-object-prototype-object +description: > + Object.prototype is still extensible and may have extensions prevented +info: | + 19.1.3 Properties of the Object Prototype Object + + The value of the [[Prototype]] internal slot of the Object prototype object is + null and the initial value of the [[Extensible]] internal slot is true. +---*/ + +assert( + Object.isExtensible(Object.prototype), + "Object.prototype is extensible" +); + +assert.sameValue( + Object.preventExtensions(Object.prototype), + Object.prototype, + "Object.prototype may have extensions prevented" +); + +assert.sameValue( + Object.isExtensible(Object.prototype), + false, + "Object.prototype is not extensible after a preventExtensions operation" +); + +reportCompare(0, 0); |