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 var globalinc = 0;

 function testincops(n) {

   var i = 0, o = {p:0}, a = [0];

   n = 100;

   for (i = 0; i < n; i++);

   while (i-- > 0);

   for (i = 0; i < n; ++i);

   while (--i >= 0);

   for (o.p = 0; o.p < n; o.p++) globalinc++;

   while (o.p-- > 0) --globalinc;

   for (o.p = 0; o.p < n; ++o.p) ++globalinc;

   while (--o.p >= 0) globalinc--;

   ++i; // set to 0

   for (a[i] = 0; a[i] < n; a[i]++);

   while (a[i]-- > 0);

   for (a[i] = 0; a[i] < n; ++a[i]);

   while (--a[i] >= 0);

   return [++o.p, ++a[i], globalinc].toString();

 }

 assertEq(testincops(), "0,0,0");