diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/with/length-tolength.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/with/length-tolength.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/with/length-tolength.js b/js/src/tests/test262/built-ins/Array/prototype/with/length-tolength.js new file mode 100644 index 0000000000..2573c8532f --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/with/length-tolength.js @@ -0,0 +1,32 @@ +// 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.with +description: > + Array.prototype.with converts the this value length to a number. +info: | + Array.prototype.with ( index, value ) + + ... + 2. Let len be ? LengthOfArrayLike(O). + ... +features: [change-array-by-copy] +includes: [compareArray.js] +---*/ + +var arrayLike = { length: "2", 0: 1, 1: 2, 2: 3 }; +assert.compareArray(Array.prototype.with.call(arrayLike, 0, 4), [4, 2]); + +var arrayLike = { + length: { + valueOf: () => 2 + }, + 0: 1, + 1: 2, + 2: 3, +}; + +assert.compareArray(Array.prototype.with.call(arrayLike, 0, 4), [4, 2]); + +reportCompare(0, 0); |