'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);