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js/src/jit-test/tests/basic/testUndefinedIncrement.js@ac0c01689b40

js/src/jit-test/tests/basic/testUndefinedIncrement.js

Thu, 15 Jan 2015 15:59:08 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 15 Jan 2015 15:59:08 +0100

branch

TOR_BUG_9701

changeset 10

ac0c01689b40

permissions

-rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 function f() {

     var n;

     var k;

     for (var i = 0; i < 18; ++i) {

 	n = undefined;

 	k = n++;

 	if (k) { }

     }

     return [k, n];

 }

 var [a, b] = f();

 assertEq(isNaN(a), true);

 assertEq(isNaN(b), true);