// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 26.1.10 description: > Throws a TypeError if target is not an Object. info: | 26.1.11 Reflect.preventExtensions ( target ) 1. If Type(target) is not Object, throw a TypeError exception. ... features: [Reflect] ---*/ assert.throws(TypeError, function() { Reflect.preventExtensions(1); }); assert.throws(TypeError, function() { Reflect.preventExtensions(null); }); assert.throws(TypeError, function() { Reflect.preventExtensions(undefined); }); assert.throws(TypeError, function() { Reflect.preventExtensions(''); }); reportCompare(0, 0);