From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../result-is-new-instance-with-shared-buffer.js | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 js/src/tests/test262/built-ins/TypedArray/prototype/subarray/result-is-new-instance-with-shared-buffer.js (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/subarray/result-is-new-instance-with-shared-buffer.js') diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/result-is-new-instance-with-shared-buffer.js b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/result-is-new-instance-with-shared-buffer.js new file mode 100644 index 0000000000..223703aaa4 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/result-is-new-instance-with-shared-buffer.js @@ -0,0 +1,37 @@ +// 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.subarray +description: Returns a new instance sharing the same buffer +info: | + 22.2.3.27 %TypedArray%.prototype.subarray( begin , end ) + + ... + 17. Return ? TypedArraySpeciesCreate(O, argumentsList). +includes: [testTypedArray.js, compareArray.js] +features: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA([40, 41, 42, 43]); + var buffer = sample.buffer; + var result = sample.subarray(1); + + assert.notSameValue(result, sample, "returns a new instance"); + assert.sameValue(result.buffer, sample.buffer, "shared buffer"); + assert.sameValue(sample.buffer, buffer, "original buffer is preserved"); + + sample[1] = 100; + assert( + compareArray(result, [100, 42, 43]), + "changes on the original sample values affect the new instance" + ); + + result[1] = 111; + assert( + compareArray(sample, [40, 100, 111, 43]), + "changes on the new instance values affect the original sample" + ); +}); + +reportCompare(0, 0); -- cgit v1.2.3