third_party/WebKit/LayoutTests/fast/js/function-declarations.html

   1 <p>This page tests function declarations inside various block structures and control statements.</pre>
   2 <pre id="console"></pre>
   3
   4 <script>
   5 if (window.testRunner)
   6     testRunner.dumpAsText();
   7
   8 function log(s)
   9 {
  10     document.getElementById("console").appendChild(document.createTextNode(s + "\n"));
  11 }
  12
  13 function shouldBe(a, b)
  14 {
  15     var evalA;
  16     try {
  17         evalA = eval(a);
  18     } catch (e) {
  19         evalA = e;
  20     }
  21
  22     if (evalA === b) {
  23         log("PASS: " + a + " should be " + b + " and is.");
  24     } else {
  25         log("FAIL: " + a + " should be " + b + " but instead is " + evalA + ".");
  26     }
  27 }
  28
  29 function testDeclarations(title)
  30 {
  31     var functions = [
  32         "f1",
  33         "f2",
  34         "f3",
  35         "f4",
  36         "f5",
  37         "f6",
  38         "f7",
  39         "f8",
  40         "f9"
  41     ];
  42
  43     log(title);
  44     log("-----");
  45     for (var i = 0; i < functions.length; ++i)
  46         shouldBe("'" + functions[i] + "' in window", true);
  47 }
  48
  49 testDeclarations("Before executing blocks containing function declarations: ");
  50
  51 {
  52     function f1() {}
  53 }
  54
  55 if (false) {
  56     function f2() {}
  57 }
  58
  59 switch (true) {
  60     case true: {
  61         function f3() {}
  62         break;
  63     }
  64     case false: {
  65         function f4() {}
  66         break;
  67     }
  68 }
  69
  70 for (var i = 0; i < 0; ++i) {
  71     function f5() {}
  72 }
  73
  74 do {
  75     function f6() {}
  76 } while(0);
  77
  78 while (0) {
  79     function f7() {}
  80 }
  81
  82 for (var p in {}) {
  83     function f8() {}
  84 }
  85
  86 with ({}) {
  87     function f9() {}
  88 }
  89
  90 log("");
  91 testDeclarations("After executing blocks containing function declarations: ");
  92
  93 </script>