tests/stress/float64-array-nan-inlined.js

   1 function foo(o) {
   2     return o[0];
   3 }
   4
   5 function isBigEndian() {
   6     var word = new Int16Array(1);
   7     word[0] = 1;
   8     var bytes = new Int8Array(word.buffer);
   9     return !bytes[0];
  10 }
  11
  12 function test(a, b, x) {
  13     var intArray = new Int32Array(2);
  14     intArray[0] = a;
  15     intArray[1] = b;
  16     var floatArray = new Float64Array(intArray.buffer);
  17     var element = foo(floatArray);
  18     var result = element + 1;
  19     if (("" + result) != ("" + x))
  20         throw "Error: bad result for " + a + ", " + b + ": " + result + ", but expected: " + x + "; loaded " + element + " from the array";
  21 }
  22
  23 noInline(test);
  24
  25 for (var i = 0; i < 100000; ++i)
  26     test(0, 0, 1);
  27
  28 if (isBigEndian()) {
  29     test(0xFFFF0000, 0, 0/0);
  30     test(0, 0xFFFF0000, 1);
  31 } else {
  32     test(0xFFFF0000, 0, 1);
  33     test(0, 0xFFFF0000, 0/0);
  34 }