diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/toSorted/holes-not-preserved.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/toSorted/holes-not-preserved.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/toSorted/holes-not-preserved.js b/js/src/tests/test262/built-ins/Array/prototype/toSorted/holes-not-preserved.js new file mode 100644 index 0000000000..1a88422f0d --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/toSorted/holes-not-preserved.js @@ -0,0 +1,27 @@ +// Copyright (C) 2021 Igalia, S.L. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.toSorted +description: > + Array.prototype.toSorted does not preserve holes in the array +info: | + Array.prototype.toSorted ( compareFn ) + + ... + 8. Repeat, while j < len, + a. Perform ! CreateDataPropertyOrThrow(A, ! ToString(𝔽(j)), sortedList[j]). + b. Set j to j + 1. + ... +features: [change-array-by-copy] +includes: [compareArray.js] +---*/ + +var arr = [3, /* hole */, 4, /* hole */, 1]; +Array.prototype[3] = 2; + +var sorted = arr.toSorted(); +assert.compareArray(sorted, [1, 2, 3, 4, undefined]); +assert(sorted.hasOwnProperty(4)); + +reportCompare(0, 0); |