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522c7d3f87
Functions has several built-in non-enumerable properties, and they are correctly ignored during enumeration after this patch. External function prototype is also lazy enumerated. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
47 lines
1.3 KiB
JavaScript
47 lines
1.3 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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function getProperties(obj)
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{
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var str = "";
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for (name in obj)
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{
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if (str)
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{
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str += " " + name;
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}
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else
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{
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str = name;
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}
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}
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return str;
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}
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var prototype_obj = { dummy:1, length:1, caller:null,
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arguments:null, prototype:null };
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var func = function() {};
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Object.setPrototypeOf(func, prototype_obj);
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assert(getProperties(func) == "dummy caller arguments");
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var bound_func = (function() {}).bind(null);
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Object.setPrototypeOf(bound_func, prototype_obj);
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assert(getProperties(bound_func) == "dummy prototype");
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// 'print' is an external function
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Object.setPrototypeOf(print, prototype_obj);
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assert(getProperties(print) == "dummy length caller arguments");
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