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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/toSpliced/deleteCount-undefined.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/toSpliced/deleteCount-undefined.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/toSpliced/deleteCount-undefined.js b/js/src/tests/test262/built-ins/Array/prototype/toSpliced/deleteCount-undefined.js new file mode 100644 index 0000000000..ed1b4dffb7 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/toSpliced/deleteCount-undefined.js @@ -0,0 +1,31 @@ +// 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.toSpliced +description: Array.prototype.toSpliced(number, undefined) returns a copy of the original array +info: | + 22.1.3.25 Array.prototype.toSpliced (start, deleteCount , ...items ) + + ... + 3. Let relativeStart be ? ToIntegerOrInfinity(start). + ... + 6. Else, let actualStart be min(relativeStart, len). + ... + 8. If start is not present, then + a. Let actualDeleteCount be 0. + 9. Else if deleteCount is not present, then + a. Let actualDeleteCount be len - actualStart. + 10. Else, + a. Let dc be ? ToIntegerOrInfinity(deleteCount). + b. Let actualDeleteCount be the result of clamping dc between 0 and len - actualStart. + ... +features: [change-array-by-copy] +includes: [compareArray.js] +---*/ + +var result = ["first", "second", "third"].toSpliced(1, undefined); + +assert.compareArray(result, ["first", "second", "third"]); + +reportCompare(0, 0); |