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'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: [testTypedArray.js]
features: [align-detached-buffer-semantics-with-web-reality, TypedArray]
---*/
testWithTypedArrayConstructors(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);
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