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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/TypedArray/prototype/copyWithin/BigInt/negative-start.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/copyWithin/BigInt/negative-start.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/copyWithin/BigInt/negative-start.js | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/copyWithin/BigInt/negative-start.js b/js/src/tests/test262/built-ins/TypedArray/prototype/copyWithin/BigInt/negative-start.js new file mode 100644 index 0000000000..d7ac9c82b8 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/copyWithin/BigInt/negative-start.js @@ -0,0 +1,79 @@ +// 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.copywithin +description: > + Set values with negative start argument. +info: | + 22.2.3.5 %TypedArray%.prototype.copyWithin (target, start [ , end ] ) + + %TypedArray%.prototype.copyWithin is a distinct function that implements the + same algorithm as Array.prototype.copyWithin as defined in 22.1.3.3 except + that the this object's [[ArrayLength]] internal slot is accessed in place of + performing a [[Get]] of "length" and the actual copying of values in step 12 + must be performed in a manner that preserves the bit-level encoding of the + source data. + + ... + + 22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] ) + + ... + 6. If relativeStart < 0, let from be max((len + relativeStart), 0); else let + from be min(relativeStart, len). + ... +includes: [compareArray.js, testBigIntTypedArray.js] +features: [BigInt, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + assert( + compareArray( + new TA([0n, 1n, 2n, 3n]).copyWithin(0, -1), + [3n, 1n, 2n, 3n] + ), + '[0, 1, 2, 3].copyWithin(0, -1) -> [3, 1, 2, 3]' + ); + + assert( + compareArray( + new TA([0n, 1n, 2n, 3n, 4n]).copyWithin(2, -2), + [0n, 1n, 3n, 4n, 4n] + ), + '[0, 1, 2, 3, 4].copyWithin(2, -2) -> [0, 1, 3, 4, 4]' + ); + + assert( + compareArray( + new TA([0n, 1n, 2n, 3n, 4n]).copyWithin(1, -2), + [0n, 3n, 4n, 3n, 4n] + ), + '[0, 1, 2, 3, 4].copyWithin(1, -2) -> [0, 3, 4, 3, 4]' + ); + + assert( + compareArray( + new TA([0n, 1n, 2n, 3n]).copyWithin(-1, -2), + [0n, 1n, 2n, 2n] + ), + '[0, 1, 2, 3].copyWithin(-1, -2) -> [ 0, 1, 2, 2 ]' + ); + + assert( + compareArray( + new TA([0n, 1n, 2n, 3n, 4n]).copyWithin(-2, -3), + [0n, 1n, 2n, 2n, 3n] + ), + '[0, 1, 2, 3, 4].copyWithin(-2, -3) -> [0, 1, 2, 2, 3]' + ); + + assert( + compareArray( + new TA([0n, 1n, 2n, 3n, 4n]).copyWithin(-5, -2), + [3n, 4n, 2n, 3n, 4n] + ), + '[0, 1, 2, 3, 4].copyWithin(-5, -2) -> [3, 4, 2, 3, 4]' + ); +}); + +reportCompare(0, 0); |