tests/stress/multi-put-by-offset-reallocation-butterfly-cse.js

   1 var foos = [
   2     function(o) { o[0] = 5; o.ff = 42; o[0] = 6; },
   3     function(o) { o[0] = 5; o.ff = 42; o[0] = 6; },
   4     function(o) { o[0] = 5; o.ff = 42; o[0] = 6; },
   5     function(o) { o[0] = 5; o.ff = 42; o[0] = 6; },
   6     function(o) { o[0] = 5; o.ff = 42; o[0] = 6; },
   7     function(o) { o[0] = 5; o.ff = 42; o[0] = 6; },
   8     function(o) { o[0] = 5; o.ff = 42; o[0] = 6; },
   9     function(o) { o[0] = 5; o.ff = 42; o[0] = 6; }
  10 ];
  11
  12 if (foos.length != 8)
  13     throw "Error";
  14
  15 function bar(o, n) {
  16     if (n == 0)
  17         return;
  18     o.na = 1;
  19     if (n == 1)
  20         return;
  21     o.nb = 2;
  22     if (n == 2)
  23         return;
  24     o.nc = 3;
  25     if (n == 3)
  26         return;
  27     o.nd = 4;
  28     if (n == 4)
  29         return;
  30     o.ne = 5;
  31     if (n == 5)
  32         return;
  33     o.nf = 6;
  34     if (n == 6)
  35         return;
  36     o.ng = 7;
  37     if (n == 7)
  38         return;
  39     o.nh = 8;
  40 }
  41
  42 function baz(o, n) {
  43     if (n == 0)
  44         return;
  45     if (o.na != 1)
  46         throw "Memory corruption; have o.na = " + o.na;
  47     if (n == 1)
  48         return;
  49     if (o.nb != 2)
  50         throw "Memory corruption";
  51     if (n == 2)
  52         return;
  53     if (o.nc != 3)
  54         throw "Memory corruption";
  55     if (n == 3)
  56         return;
  57     if (o.nd != 4)
  58         throw "Memory corruption";
  59     if (n == 4)
  60         return;
  61     if (o.ne != 5)
  62         throw "Memory corruption";
  63     if (n == 5)
  64         return;
  65     if (o.nf != 6)
  66         throw "Memory corruption";
  67     if (n == 6)
  68         return;
  69     if (o.ng != 7)
  70         throw "Memory corruption";
  71     if (n == 7)
  72         return;
  73     if (o.nh != 8)
  74         throw "Memory corruption";
  75 }
  76
  77 for (var i = 0; i < 8; ++i)
  78     noInline(foos[i]);
  79 noInline(bar);
  80
  81 for (var i = 0; i < 100000; ++i) {
  82     var o = {};
  83     var p = {a:1, b:2, c:3, d:4, e:5, f:6};
  84     o[0] = 0;
  85     p[0] = 0;
  86     bar(o, i % 8);
  87     bar(p, i % 8);
  88
  89     foos[i % 8](o);
  90     foos[i % 8](p);
  91
  92     if (o.ff != 42)
  93         throw "Bad result in o: " + o.ff;
  94     if (p.ff != 42)
  95         throw "Bad result in o: " + p.ff;
  96
  97     if (p.a != 1 || p.b != 2 || p.c != 3 || p.d != 4 || p.e != 5 || p.f != 6)
  98         throw "Memory corruption"
  99     baz(o, i % 8);
 100     baz(p, i % 8);
 101 }
 102