| // Copyright (c) 2012 Ecma International. All rights reserved. | |
| // This code is governed by the BSD license found in the LICENSE file. | |
| /*--- | |
| esid: sec-delete-operator-runtime-semantics-evaluation | |
| description: > | |
| Strict Mode - TypeError is thrown when deleting non-configurable | |
| data property | |
| flags: [onlyStrict] | |
| ---*/ | |
| var obj = {}; | |
| Object.defineProperty(obj, 'prop', { | |
| value: 'abc', | |
| configurable: false, | |
| }); | |
| assert.throws(TypeError, function() { | |
| delete obj.prop; | |
| }); | |
| assert.sameValue(obj.prop, 'abc', 'obj.prop'); |