tests/stress/int32array-transition-on-nan.js

   1 function insertNaNWhileFilling()
   2 {
   3     var array = new Array(6);
   4     for (var i = 0; i < 4; ++i)
   5         array[i] = i;
   6     array[5] = NaN;
   7     return array;
   8 }
   9 noInline(insertNaNWhileFilling);
  10
  11 function testInsertNaNWhileFilling()
  12 {
  13     var array = insertNaNWhileFilling();
  14     for (var i = 0; i < 4; ++i) {
  15         var value = array[i];
  16         if (value !== i) {
  17             throw "Failed testInsertNaNWhileFilling, value = " + value + " instead of " + i;
  18         }
  19     }
  20     var nan = array[5];
  21     if (!Number.isNaN(nan))
  22         throw "Failed testInsertNaNWhileFilling, array[5] is " + nan + " instead of NaN";
  23 }
  24 noInline(testInsertNaNWhileFilling);
  25
  26 for (var i = 0; i < 1e4; ++i) {
  27     testInsertNaNWhileFilling();
  28 }
  29
  30
  31 function insertNaNAfterFilling()
  32 {
  33     var array = new Array(6);
  34     for (var i = 0; i < 5; ++i)
  35         array[i] = i;
  36     array[5] = NaN;
  37     return array;
  38 }
  39 noInline(insertNaNAfterFilling);
  40
  41 function testInsertNaNAfterFilling()
  42 {
  43     var array = insertNaNAfterFilling();
  44     for (var i = 0; i < 4; ++i) {
  45         var value = array[i];
  46         if (value !== i) {
  47             throw "Failed testInsertNaNAfterFilling, value = " + value + " instead of " + i;
  48         }
  49     }
  50     var nan = array[5];
  51     if (!Number.isNaN(nan))
  52         throw "Failed testInsertNaNAfterFilling, array[5] is " + nan + " instead of NaN";
  53 }
  54 noInline(testInsertNaNAfterFilling);
  55
  56 for (var i = 0; i < 1e4; ++i) {
  57     testInsertNaNAfterFilling();
  58 }
  59
  60
  61 function pushNaNWhileFilling()
  62 {
  63     var array = [];
  64     for (var i = 0; i < 5; ++i)
  65         array.push(i);
  66     array.push(NaN);
  67     return array;
  68 }
  69 noInline(pushNaNWhileFilling);
  70
  71 function testPushNaNWhileFilling()
  72 {
  73     var array = pushNaNWhileFilling();
  74     for (var i = 0; i < 4; ++i) {
  75         var value = array[i];
  76         if (value !== i) {
  77             throw "Failed testPushNaNWhileFilling, value = " + value + " instead of " + i;
  78         }
  79     }
  80     var nan = array[5];
  81     if (!Number.isNaN(nan))
  82         throw "Failed testPushNaNWhileFilling, array[5] is " + nan + " instead of NaN";
  83 }
  84 noInline(testPushNaNWhileFilling);
  85
  86 for (var i = 0; i < 1e4; ++i) {
  87     testPushNaNWhileFilling();
  88 }