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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/with/immutable.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/with/immutable.js b/js/src/tests/test262/built-ins/TypedArray/prototype/with/immutable.js new file mode 100644 index 0000000000..97746a08f0 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/with/immutable.js @@ -0,0 +1,22 @@ +// |reftest| shell-option(--enable-change-array-by-copy) skip-if(!Array.prototype.with||!xulRuntime.shell) -- change-array-by-copy is not enabled unconditionally, requires shell-options +// Copyright (C) 2021 Igalia, S.L. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-%typedarray%.prototype.with +description: > + %TypedArray%.prototype.with does not mutate its this value +includes: [testTypedArray.js, compareArray.js] +features: [TypedArray, change-array-by-copy] +---*/ + +testWithTypedArrayConstructors(TA => { + var ta = new TA([3, 1, 2]); + ta.with(0, 2); + + assert.compareArray(ta, [3, 1, 2]); + assert.notSameValue(ta.with(0, 2), ta); + assert.notSameValue(ta.with(0, 3), ta); +}); + +reportCompare(0, 0); |