tests/stress/function-name-scope.js

   1 function foo() {
   2     return function bar(str) {
   3         var barBefore = bar;
   4         var result = eval(str);
   5         return [
   6             barBefore,
   7             bar,
   8             function () {
   9                 return bar;
  10             },
  11             result
  12         ];
  13     }
  14 }
  15
  16 function check() {
  17     var bar = foo();
  18
  19     function verify(result, barAfter, evalResult) {
  20         if (result[0] !== bar)
  21             throw "Error: bad first entry: " + result[0];
  22         if (result[1] !== barAfter)
  23             throw "Error: bad first entry: " + result[1];
  24         var subResult = result[2]();
  25         if (subResult !== barAfter)
  26             throw "Error: bad second entry: " + result[2] + "; returned: " + subResult;
  27         if (result[3] !== evalResult)
  28             throw "Error: bad third entry: " + result[3] + "; expected: " + evalResult;
  29     }
  30
  31     verify(bar("42"), bar, 42);
  32     verify(bar("bar"), bar, bar);
  33     verify(bar("var bar = 42; function fuzz() { return bar; }; fuzz()"), 42, 42);
  34 }
  35
  36 // Execute check() more than once. At the time that we wrote this regression test, trunk would fail on
  37 // the second execution. Executing 100 times would also gives us some optimizing JIT coverage.
  38 for (var i = 0; i < 100; ++i)
  39     check();
  40