1// Copyright JS Foundation and other contributors, http://js.foundation 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15// Copyright 2014 the V8 project authors. All rights reserved. 16// Use of this source code is governed by a BSD-style license that can be 17// found in the LICENSE file. 18 19var object = { 20 property: 'Batcat' 21}; 22 23Reflect.deleteProperty (object, 'property'); 24 25assert (object.property === undefined); 26 27assert (2 === Reflect.deleteProperty.length); 28 29try { 30 Reflect.deleteProperty (); 31 assert (false); 32} catch (e) { 33 assert (e instanceof TypeError); 34} 35 36try { 37 Reflect.deleteProperty (42, 'bat'); 38 assert (false); 39} catch (e) { 40 assert (e instanceof TypeError); 41} 42 43try { 44 Reflect.deleteProperty (null, 'bat'); 45 assert (false); 46} catch (e) { 47 assert (e instanceof TypeError); 48} 49 50var target = {bat: 42}; 51var a = { [Symbol.toPrimitive]: function() { return 'bat' } }; 52var b = { [Symbol.toPrimitive]: function() { throw 'cat' } }; 53 54assert (Reflect.deleteProperty (target, a)); 55 56try { 57 Reflect.deleteProperty (target, b); 58 assert (false); 59} catch (e) { 60 assert (e === 'cat'); 61} 62