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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/builtins.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/builtins.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/subclass/builtins.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/subclass/builtins.js b/js/src/tests/test262/language/statements/class/subclass/builtins.js new file mode 100644 index 0000000000..dc95f7827a --- /dev/null +++ b/js/src/tests/test262/language/statements/class/subclass/builtins.js @@ -0,0 +1,32 @@ +// Copyright (C) 2014 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 14.5 +description: > + class sublclassing builtins +---*/ +class ExtendedUint8Array extends Uint8Array { + constructor() { + super(10); + this[0] = 255; + this[1] = 0xFFA; + } +} + +var eua = new ExtendedUint8Array(); +assert.sameValue(eua.length, 10, "The value of `eua.length` is `10`"); +assert.sameValue(eua.byteLength, 10, "The value of `eua.byteLength` is `10`"); +assert.sameValue(eua[0], 0xFF, "The value of `eua[0]` is `0xFF`"); +assert.sameValue(eua[1], 0xFA, "The value of `eua[1]` is `0xFA`"); +assert.sameValue( + Object.getPrototypeOf(eua), + ExtendedUint8Array.prototype, + "`Object.getPrototypeOf(eua)` returns `ExtendedUint8Array.prototype`" +); +assert.sameValue( + Object.prototype.toString.call(eua), + "[object Uint8Array]", + "`Object.prototype.toString.call(eua)` returns `\"[object Uint8Array]\"`" +); + +reportCompare(0, 0); |