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23
24description(
25"This test checks for a couple of specific ways that bugs in toString() round trips have changed the meanings of functions with var declarations inside for loops."
26);
27
28function f1() { for (var j = 1 in []) {}  }
29var f2 = function () { for (var j = 1; j < 10; ++j) {}  }
30var f3 = function () { for (j = 1;j < 10; ++j) {}  }
31var f4 = function () { for (var j;;) {}  }
32
33var unevalf = function(x) { return '(' + x.toString() + ')'; }
34
35shouldBe("unevalf(eval(unevalf(f1)))", "unevalf(f1)");
36shouldBe("unevalf(eval(unevalf(f2)))", "unevalf(f2)");
37shouldBe("unevalf(eval(unevalf(f3)))", "unevalf(f3)");
38shouldBe("unevalf(eval(unevalf(f4)))", "unevalf(f4)");
39shouldBe("unevalf(f2) != unevalf(f3)", "true");
40