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42 lines
928 B
42 lines
928 B
12 years ago
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/*
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* Redeclare a global non-configurable plain (data) property, E5.1 change.
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*/
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/*---
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{
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"skip": true
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}
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---*/
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/* Empty output is intentional: Program-wide TypeError. */
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/* FIXME */
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/*===
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===*/
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/* NaN is non-configurable. Attempt to redeclare -> TypeError.
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* Nothing gets printed because the TypeError will run before
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* anything else (as part of binding instantiation).
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*/
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var desc;
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var indirectEval = eval;
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var global = indirectEval("this"); // for Node
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// Note: since declarations are hoisted, the RegExp declaration below
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// will already have taken effect here.
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print(typeof NaN);
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desc = Object.getOwnPropertyDescriptor(global, 'NaN');
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print(desc.writable, desc.enumerable, desc.configurable);
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function NaN() {
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return 123;
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}
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// just checking that order does not matter
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print(typeof NaN);
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desc = Object.getOwnPropertyDescriptor(global, 'NaN');
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print(desc.writable, desc.enumerable, desc.configurable);
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