// Copyright JS Foundation and other contributors, http://js.foundation // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // Tests that if multiple properties with the same name is // in the prototype chain, only the first one is inspected var not_called = 0; var called = 0; function accessor_proto() { Object.defineProperty(this, "prop", { get: function() { return 3.5 }, set: function(v) { called++ } } ) } function data_proto() { Object.defineProperty(this, "prop", { value:7, writable:true } ) } accessor_proto.prototype = { get prop() { not_called++ }, set prop(v) { not_called++ } } data_proto.prototype = accessor_proto.prototype function create_accessor() {} function create_data() {} create_accessor.prototype = new accessor_proto(); create_data.prototype = new data_proto(); var o = new create_accessor() o.prop = 1 assert(o.prop === 3.5) assert(Object.getPrototypeOf(o) === create_accessor.prototype) o = new create_data() o.prop = 'X' assert(o.prop === 'X') assert(Object.getPrototypeOf(o) === create_data.prototype) assert(not_called === 0) assert(called === 1)