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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/key-is-not-numeric-index-strict-strict.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/key-is-not-numeric-index-strict-strict.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/key-is-not-numeric-index-strict-strict.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/key-is-not-numeric-index-strict-strict.js new file mode 100644 index 0000000000..2a9f7171e9 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/key-is-not-numeric-index-strict-strict.js @@ -0,0 +1,50 @@ +'use strict'; +// Copyright (C) 2020 Rick Waldron. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-integer-indexed-exotic-objects-delete-p +description: > + Use OrdinaryDelete if key is not a CanonicalNumericIndex +info: | + [[Delete]] (P) + + ... + Assert: IsPropertyKey(P) is true. + Assert: O is an Integer-Indexed exotic object. + If Type(P) is String, then + Let numericIndex be ! CanonicalNumericIndexString(P). + If numericIndex is not undefined, then + If IsDetachedBuffer(O.[[ViewedArrayBuffer]]) is true, return true. + If ! IsValidIntegerIndex(O, numericIndex) is false, return true. + Return false. + ... + Return ? OrdinaryDelete(O, P). +flags: [onlyStrict] +includes: [testBigIntTypedArray.js] +features: [align-detached-buffer-semantics-with-web-reality, BigInt, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + TypedArray.prototype.baz = "baz"; + let sample = new TA(1); + + assert.sameValue( + delete sample.foo, true, + 'The value of `delete sample.foo` is true' + ); + + sample.foo = "foo"; + assert.sameValue(delete sample.foo, true, 'The value of `delete sample.foo` is true'); + + Object.defineProperty(sample, "bar", { + get() { return "bar"; } + }); + + assert.throws(TypeError, () => { + delete sample.bar; + }, '`delete sample.bar` throws TypeError'); + + assert.sameValue(delete sample.baz, true, 'The value of `delete sample.baz` is true'); +}); + +reportCompare(0, 0); |