tests/stress/logical-not-masquerades.js

   1 function foo(value) {
   2     return !!value;
   3 }
   4
   5 noInline(foo);
   6
   7 var tests = [
   8     [0, false],
   9     [1, true],
  10     [0/0, false],
  11     [0/-1, false],
  12     [0.0, false],
  13     ["", false],
  14     ["f", true],
  15     ["hello", true],
  16     [{}, true],
  17     [[], true],
  18     [null, false],
  19     [void 0, false],
  20     [false, false],
  21     [true, true],
  22     [makeMasquerader(), false]
  23 ];
  24
  25 for (var i = 0; i < 10000; ++i) {
  26     for (var j = 0; j < tests.length; ++j) {
  27         var input = tests[j][0];
  28         var expected = tests[j][1];
  29         var result = foo(input);
  30         if (result !== expected)
  31             throw "Error: bad result for " + input + ": " + result;
  32     }
  33 }