diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/result-is-new-instance-with-shared-buffer.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/result-is-new-instance-with-shared-buffer.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/result-is-new-instance-with-shared-buffer.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/result-is-new-instance-with-shared-buffer.js b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/result-is-new-instance-with-shared-buffer.js new file mode 100644 index 0000000000..3b8ea3c331 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/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: [testBigIntTypedArray.js, compareArray.js] +features: [BigInt, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + var sample = new TA([40n, 41n, 42n, 43n]); + 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] = 100n; + assert( + compareArray(result, [100n, 42n, 43n]), + "changes on the original sample values affect the new instance" + ); + + result[1] = 111n; + assert( + compareArray(sample, [40n, 100n, 111n, 43n]), + "changes on the new instance values affect the original sample" + ); +}); + +reportCompare(0, 0); |