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30a4a5da7d
Avoid extending builtin prototype and consistently define a shadowing property on the object instance to help recognize a possible implementation bug.
23 lines
473 B
JavaScript
23 lines
473 B
JavaScript
// Copyright 2015 Cubane Canada, Inc. All rights reserved.
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// See LICENSE for details.
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/*---
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info: >
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GeneratorMethod can reference SuperProperty in arg
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features: [generators]
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es6id: 14.4.1
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author: Sam Mikes
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description: GeneratorMethod uses SuperProperty (allowed)
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features: [ default-arg, generator, super ]
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---*/
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var obj = {
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*foo(a = super.toString) {
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return a;
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}
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};
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obj.toString = null;
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assert.sameValue(obj.foo().next().value, Object.prototype.toString);
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