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#652 — Test 11.4.1-4.a-8-s might be invalid

• bug_id: 652
• creation_ts: 2012-09-23 04:09:00 -0700
• short_desc: Test 11.4.1-4.a-8-s might be invalid
• delta_ts: 2012-09-23 04:09:55 -0700
• product: Test262
• component: ECMA-262 Tests
• version: unspecified
• rep_platform: All
• op_sys: All
• bug_status: CONFIRMED
• priority: Normal
• bug_severity: enhancement
• everconfirmed: true
• reporter: David Bruant
• assigned_to: Bill Ticehurst

---

• commentid: 1599
• comment_count: 0
• who: David Bruant
• bug_when: 2012-09-23 04:09:55 -0700

I see the test case fail on Firefox, but the following seems to work:

(function(global){
'use strict';

var desc = Object.getOwnPropertyDescriptor(global, 'NaN');
console.log('NaN desc', desc); // reports non-configurable
try{
delete global.NaN;
}
catch(e){ // properly throws an exception
console.log('caught', e)
}

})(this);

So it's unclear whether the problem comes from the test case or Firefox.

Regardless, the test case does "delete fnGlobalObject().NaN;"