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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/BigInt/key-is-numericindex-desc-not-writable-throws.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/BigInt/key-is-numericindex-desc-not-writable-throws.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/BigInt/key-is-numericindex-desc-not-writable-throws.js new file mode 100644 index 0000000000..6ddf3303df --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/BigInt/key-is-numericindex-desc-not-writable-throws.js @@ -0,0 +1,41 @@ +// Copyright (C) 2021 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-integer-indexed-exotic-objects-defineownproperty-p-desc +description: > + Throws TypeError for valid index & non-writable descriptor. +info: | + [[DefineOwnProperty]] ( P, Desc ) + + [...] + 3. If Type(P) is String, then + a. Let numericIndex be ! CanonicalNumericIndexString(P). + b. If numericIndex is not undefined, then + [...] + v. If Desc has a [[Writable]] field and if Desc.[[Writable]] is false, return false. +includes: [testBigIntTypedArray.js] +features: [BigInt, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + var sample = new TA([0n]); + + assert.throws(TypeError, function() { + Object.defineProperty(sample, "0", { + writable: false, + }); + }, "partial descriptor"); + + assert.throws(TypeError, function() { + Object.defineProperty(sample, "0", { + value: 42n, + writable: false, + enumerable: true, + configurable: true, + }); + }, "complete descriptor"); + + assert.sameValue(sample[0], 0n, "side effect check"); +}); + +reportCompare(0, 0); |