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 15try { 16 assert(!({} instanceof assert)); 17} catch(e) { 18 assert(false); 19} 20 21try { 22 ({} instanceof Math.sin); 23 assert(false); 24} catch(e) { 25 assert(e instanceof TypeError); 26} 27 28Math.sin.prototype = {} 29 30try { 31 assert(!({} instanceof Math.sin)); 32} catch(e) { 33 assert(false); 34} 35