diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/sort/precise-prototype-element.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/sort/precise-prototype-element.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/sort/precise-prototype-element.js b/js/src/tests/test262/built-ins/Array/prototype/sort/precise-prototype-element.js new file mode 100644 index 0000000000..18051f01a6 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/sort/precise-prototype-element.js @@ -0,0 +1,29 @@ +// 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. +---*/ + +Object.prototype[2] = 4; +const array = [undefined, 3, /*hole*/, 2, undefined, /*hole*/, 1]; +array.sort(); + +assert.sameValue(array[0], 1); +assert.sameValue(array[1], 2); +assert.sameValue(array[2], 3); +assert.sameValue(array[3], 4); +assert.sameValue(array[4], undefined); +assert.sameValue(array[5], undefined); +assert.sameValue('6' in array, false); +assert.sameValue(array.hasOwnProperty('6'), false); +assert.sameValue(array.length, 7); + +reportCompare(0, 0); |