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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/toReversed/ignores-species.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/toReversed/ignores-species.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/toReversed/ignores-species.js b/js/src/tests/test262/built-ins/TypedArray/prototype/toReversed/ignores-species.js new file mode 100644 index 0000000000..9534b8b924 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/toReversed/ignores-species.js @@ -0,0 +1,43 @@ +// 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.toReversed +description: > + %TypedArray%.prototype.toReversed ignores @@species +info: | + %TypedArray%.prototype.toReversed ( ) + + ... + 4. Let A be ? TypedArrayCreateSameType(O, « 𝔽(length) »). + ... + + TypedArrayCreateSameType ( exemplar, argumentList ) + ... + 2. Let constructor be the intrinsic object listed in column one of Table 63 for exemplar.[[TypedArrayName]]. + ... +includes: [testTypedArray.js] +features: [TypedArray, change-array-by-copy] +---*/ + +testWithTypedArrayConstructors(TA => { + var ta = new TA(); + ta.constructor = TA === Uint8Array ? Int32Array : Uint8Array; + assert.sameValue(Object.getPrototypeOf(ta.toReversed()), TA.prototype); + + ta = new TA(); + ta.constructor = { + [Symbol.species]: TA === Uint8Array ? Int32Array : Uint8Array, + }; + assert.sameValue(Object.getPrototypeOf(ta.toReversed()), TA.prototype); + + ta = new TA(); + Object.defineProperty(ta, "constructor", { + get() { + throw new Test262Error("Should not get .constructor"); + } + }); + ta.toReversed(); +}); + +reportCompare(0, 0); |