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

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

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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