mirror of https://github.com/tc39/test262.git
54 lines
1.7 KiB
JavaScript
54 lines
1.7 KiB
JavaScript
// Copyright (C) 2015 Caitlin Potter. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: >
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Functions created using GeneratorFunction syntactic form do not
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have own properties "caller" or "arguments", but inherit them from
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%FunctionPrototype%.
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---*/
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function* generator() {}
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assert.sameValue(generator.hasOwnProperty('caller'), false, 'Functions created using ArrowFunction syntactic form do not have own property "caller"');
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assert.sameValue(generator.hasOwnProperty('arguments'), false, 'Functions created using ArrowFunction syntactic form do not have own property "arguments"');
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assert.throws(TypeError, function() {
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return generator.caller;
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});
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assert.throws(TypeError, function() {
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generator.caller = {};
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});
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assert.throws(TypeError, function() {
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return generator.arguments;
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});
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assert.throws(TypeError, function() {
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generator.arguments = {};
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});
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var Generator = Object.getPrototypeOf(generator);
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var GeneratorFunction = Generator.constructor;
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var newgenerator = new GeneratorFunction();
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assert.sameValue(newgenerator.hasOwnProperty('caller'), false, 'Generators created using GeneratorFunction constructor do not have own property "caller"');
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assert.sameValue(newgenerator.hasOwnProperty('arguments'), false, 'Generators created using GeneratorFunction constructor do not have own property "arguments"');
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assert.throws(TypeError, function() {
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return newgenerator.caller;
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});
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assert.throws(TypeError, function() {
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newgenerator.caller = {};
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});
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assert.throws(TypeError, function() {
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return newgenerator.arguments;
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});
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assert.throws(TypeError, function() {
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newgenerator.arguments = {};
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});
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