From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../prototype/fill/fill-values-relative-start.js | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 js/src/tests/test262/built-ins/TypedArray/prototype/fill/fill-values-relative-start.js (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/fill/fill-values-relative-start.js') diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/fill/fill-values-relative-start.js b/js/src/tests/test262/built-ins/TypedArray/prototype/fill/fill-values-relative-start.js new file mode 100644 index 0000000000..d418285a8e --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/fill/fill-values-relative-start.js @@ -0,0 +1,53 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-%typedarray%.prototype.fill +description: > + Fills all the elements from a with a custom start index. +info: | + 22.2.3.8 %TypedArray%.prototype.fill (value [ , start [ , end ] ] ) + + %TypedArray%.prototype.fill is a distinct function that implements the same + algorithm as Array.prototype.fill as defined in 22.1.3.6 except that the this + object's [[ArrayLength]] internal slot is accessed in place of performing a + [[Get]] of "length". The implementation of the algorithm may be optimized with + the knowledge that the this value is an object that has a fixed length and + whose integer indexed properties are not sparse. However, such optimization + must not introduce any observable changes in the specified behaviour of the + algorithm. + + ... + + 22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] ) + + ... + 4. If relativeStart < 0, let k be max((len + relativeStart), 0); else let k be + min(relativeStart, len). + ... +includes: [compareArray.js, testTypedArray.js] +features: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + assert( + compareArray(new TA([0, 0, 0]).fill(8, 1), [0, 8, 8]), + "Fill elements from custom start position" + ); + + assert( + compareArray(new TA([0, 0, 0]).fill(8, 4), [0, 0, 0]), + "start position is never higher than length" + ); + + assert( + compareArray(new TA([0, 0, 0]).fill(8, -1), [0, 0, 8]), + "start < 0 sets initial position to max((len + relativeStart), 0)" + ); + + assert( + compareArray(new TA([0, 0, 0]).fill(8, -5), [8, 8, 8]), + "start position is 0 when (len + relativeStart) < 0" + ); +}); + +reportCompare(0, 0); -- cgit v1.2.3