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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: >
Return true 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) {
var keys = [
"1.0",
"+1",
"1000000000000000000000",
"0.0000001"
];
keys.forEach((key) => {
var sample = new TA(); // <- intentionally empty
assert.sameValue(
delete sample[key], true,
'The value of `delete sample[key]` is true'
);
TypedArray.prototype[key] = key;
assert.sameValue(
delete sample[key],
true,
'The value of `delete sample[key]` is true'
);
sample[key] = key;
assert.sameValue(
delete sample[key], true,
'The value of `delete sample[key]` is true'
);
Object.defineProperty(sample, key, {
get() { return key; }
});
assert.throws(TypeError, () => {
delete sample[key];
}, '`delete sample[key]` throws TypeError');
delete TypedArray.prototype[key];
});
});
reportCompare(0, 0);
|
