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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/fill/BigInt/get-length-ignores-length-prop.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/fill/BigInt/get-length-ignores-length-prop.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/fill/BigInt/get-length-ignores-length-prop.js b/js/src/tests/test262/built-ins/TypedArray/prototype/fill/BigInt/get-length-ignores-length-prop.js new file mode 100644 index 0000000000..dec320a415 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/fill/BigInt/get-length-ignores-length-prop.js @@ -0,0 +1,53 @@ +// 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.fill +description: > + Unreachable abrupt from Get(O, "length") as [[ArrayLength]] is returned. +info: | + 22.2.3.8 %TypedArray%.prototype.fill (value [ , start [ , end ] ] ) + + %TypedArray%.prototype.fill is a distinct function that implements the same + algorithm as Array.prototype.fill as defined in 22.1.3.6 except that the this + object's [[ArrayLength]] internal slot is accessed in place of performing a + [[Get]] of "length". The implementation of the algorithm may be optimized with + the knowledge that the this value is an object that has a fixed length and + whose integer indexed properties are not sparse. However, such optimization + must not introduce any observable changes in the specified behaviour of the + algorithm. + + ... + + 22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] ) + + 1. Let O be ? ToObject(this value). + 2. Let len be ? ToLength(? Get(O, "length")). + ... +includes: [testBigIntTypedArray.js] +features: [BigInt, TypedArray] +---*/ + +Object.defineProperty(TypedArray.prototype, "length", { + get: function() { + throw new Test262Error(); + } +}); + +testWithBigIntTypedArrayConstructors(function(TA) { + Object.defineProperty(TA.prototype, "length", { + get: function() { + throw new Test262Error(); + } + }); + + var sample = new TA(1); + Object.defineProperty(sample, "length", { + get: function() { + throw new Test262Error(); + } + }); + + assert.sameValue(sample.fill(1n, 0), sample); +}); + +reportCompare(0, 0); |