diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/test262/built-ins/Array/prototype/sort/precise-setter-deletes-predecessor.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/sort/precise-setter-deletes-predecessor.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/sort/precise-setter-deletes-predecessor.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/sort/precise-setter-deletes-predecessor.js b/js/src/tests/test262/built-ins/Array/prototype/sort/precise-setter-deletes-predecessor.js new file mode 100644 index 0000000000..483917d83b --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/sort/precise-setter-deletes-predecessor.js @@ -0,0 +1,42 @@ +// Copyright (C) 2021 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.sort +description: > + Previously implementation-defined aspects of Array.prototype.sort. +info: | + Historically, many aspects of Array.prototype.sort remained + implementation-defined. https://github.com/tc39/ecma262/pull/1585 + described some behaviors more precisely, reducing the amount of cases + that result in an implementation-defined sort order. +---*/ + +const array = [undefined, 'c', /*hole*/, 'b', undefined, /*hole*/, 'a', 'd']; + +Object.defineProperty(array, '2', { + get() { + return this.foo; + }, + set(v) { + delete array[1]; + this.foo = v; + } +}); + +array.sort(); + +assert.sameValue(array[0], 'a'); +assert.sameValue('1' in array, false); +assert.sameValue(array.hasOwnProperty(1), false); +assert.sameValue(array[2], 'c'); +assert.sameValue(array[3], 'd'); +assert.sameValue(array[4], undefined); +assert.sameValue(array[5], undefined); +assert.sameValue(array[6], undefined); +assert.sameValue('7' in array, false); +assert.sameValue(array.hasOwnProperty('7'), false); +assert.sameValue(array.length, 8); +assert.sameValue(array.foo, 'c'); + +reportCompare(0, 0); |