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b5bf97c657
If multiple properties with the same name is in the prototype chain, only the first one should be inspected JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
54 lines
1.6 KiB
JavaScript
54 lines
1.6 KiB
JavaScript
// Copyright JS Foundation and other contributors, http://js.foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Tests that if multiple properties with the same name is
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// in the prototype chain, only the first one is inspected
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var not_called = 0;
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var called = 0;
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function accessor_proto() {
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Object.defineProperty(this, "prop",
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{ get: function() { return 3.5 }, set: function(v) { called++ } }
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)
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}
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function data_proto() {
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Object.defineProperty(this, "prop",
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{ value:7, writable:true }
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)
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}
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accessor_proto.prototype = { get prop() { not_called++ }, set prop(v) { not_called++ } }
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data_proto.prototype = accessor_proto.prototype
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function create_accessor() {}
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function create_data() {}
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create_accessor.prototype = new accessor_proto();
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create_data.prototype = new data_proto();
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var o = new create_accessor()
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o.prop = 1
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assert(o.prop === 3.5)
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assert(Object.getPrototypeOf(o) === create_accessor.prototype)
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o = new create_data()
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o.prop = 'X'
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assert(o.prop === 'X')
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assert(Object.getPrototypeOf(o) === create_data.prototype)
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assert(not_called === 0)
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assert(called === 1)
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