testincops.js (561B)
1 var globalinc = 0; 2 function testincops(n) { 3 var i = 0, o = {p:0}, a = [0]; 4 n = 100; 5 6 for (i = 0; i < n; i++); 7 while (i-- > 0); 8 for (i = 0; i < n; ++i); 9 while (--i >= 0); 10 11 for (o.p = 0; o.p < n; o.p++) globalinc++; 12 while (o.p-- > 0) --globalinc; 13 for (o.p = 0; o.p < n; ++o.p) ++globalinc; 14 while (--o.p >= 0) globalinc--; 15 16 ++i; // set to 0 17 for (a[i] = 0; a[i] < n; a[i]++); 18 while (a[i]-- > 0); 19 for (a[i] = 0; a[i] < n; ++a[i]); 20 while (--a[i] >= 0); 21 22 return [++o.p, ++a[i], globalinc].toString(); 23 } 24 assertEq(testincops(), "0,0,0");