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e64fc9aca9
As stated in ES 16.1, "arguments" and "caller" must not be created in: - strict functions created using the Function constructor - generator functions created using the Generator constructor - async functions created using the AsyncFunction constructor - functions created using the bind JerryScript-DCO-1.0-Signed-off-by: Rafal Walczyna r.walczyna@samsung.com
77 lines
2.2 KiB
JavaScript
77 lines
2.2 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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*/
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function must_throw (str) {
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try {
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eval ("switch (1) { default: " + str + "}");
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assert (false);
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}
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catch (e) {
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}
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try {
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eval (str);
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assert (false);
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}
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catch (e) {
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}
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}
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// strict functions created using the Function constructor
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var strictF = new Function('"use strict"');
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assert(strictF.hasOwnProperty('caller') === false);
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assert(strictF.hasOwnProperty('arguments') === false);
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must_throw("strictF.caller")
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must_throw("strictF.arguments")
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must_throw("strictF.caller = 1")
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must_throw("strictF.arguments = 2")
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// generator functions created using the Generator constructor
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var GeneratorFunction = Object.getPrototypeOf(function*(){}).constructor
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var generatorF = new GeneratorFunction()
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assert(generatorF.hasOwnProperty('caller') === false);
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assert(generatorF.hasOwnProperty('arguments') === false);
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must_throw("generatorF.caller")
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must_throw("generatorF.arguments")
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must_throw("generatorF.caller = 1")
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must_throw("generatorF.arguments = 2")
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// async functions created using the AsyncFunction constructor
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async function asyncF() {}
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assert(asyncF.hasOwnProperty('caller') === false);
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assert(asyncF.hasOwnProperty('arguments') === false);
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must_throw("asyncF.caller")
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must_throw("asyncF.arguments")
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must_throw("asyncF.caller = 1")
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must_throw("asyncF.arguments = 2")
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// functions created using the bind method
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var f = function () {};
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var boundF = f.bind();
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assert(boundF.hasOwnProperty('caller') === false);
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assert(boundF.hasOwnProperty('arguments') === false);
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must_throw("boundF.caller")
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must_throw("boundF.arguments")
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must_throw("boundF.caller = 1")
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must_throw("boundF.arguments = 2")
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