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'use strict';
// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: |
This test is actually testing the [[Delete]] internal method (8.12.8). Since the
language provides no way to directly exercise [[Delete]], the tests are placed here.
esid: sec-delete-operator-runtime-semantics-evaluation
description: >
delete operator throws TypeError when deleting a non-configurable
data property in strict mode
flags: [onlyStrict]
---*/
var o = {};
var desc = {
value: 1,
}; // all other attributes default to false
Object.defineProperty(o, 'foo', desc);
// Now, deleting o.foo should throw TypeError because [[Configurable]] on foo is false.
assert.throws(TypeError, function() {
delete o.foo;
});
reportCompare(0, 0);