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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Set/key-is-minus-zero.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Set/key-is-minus-zero.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Set/key-is-minus-zero.js new file mode 100644 index 0000000000..c171aa1a3c --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Set/key-is-minus-zero.js @@ -0,0 +1,29 @@ +// 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-integer-indexed-exotic-objects-set-p-v-receiver +description: > + Returns true, even if index is -0 +info: | + 9.4.5.5 [[Set]] ( P, V, Receiver) + + ... + 2. If Type(P) is String, then + a. Let numericIndex be ! CanonicalNumericIndexString(P). + b. If numericIndex is not undefined, then + i. Perform ? IntegerIndexedElementSet(O, numericIndex, V). + ii. Return true. + ... + +includes: [testTypedArray.js] +features: [align-detached-buffer-semantics-with-web-reality, Reflect, TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA([42]); + + assert.sameValue(Reflect.set(sample, "-0", 1), true, 'Reflect.set(sample, "-0", 1) must return true'); + assert.sameValue(sample.hasOwnProperty("-0"), false, 'sample.hasOwnProperty("-0") must return false'); +}); + +reportCompare(0, 0); |