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

michael@0 1 function testIntUnderflow() {
michael@0 2 // int32_min + 8
michael@0 3 var ival = -2147483648 + 8;
michael@0 4 for (var i = 0; i < 30; i++) {
michael@0 5 ival -= 2;
michael@0 6 }
michael@0 7 return (ival > -2147483648);
michael@0 8 }
michael@0 9 assertEq(testIntUnderflow(), false);

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