third_party/WebKit/LayoutTests/fast/js/do-while-expression-value.html

   1 <p>This page tests the evaluated value of a do-while expression.</p>
   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 var x;
  30
  31 x = eval("do { 1; } while(0);");
  32 shouldBe("x", 1);
  33
  34 var x = eval("do { 1; break; } while(0);");
  35 shouldBe("x", 1);
  36
  37 var x = eval("do { 1; continue; } while(0);");
  38 shouldBe("x", 1);
  39
  40 var x = eval("do { 1; ; } while(0);");
  41 shouldBe("x", 1);
  42
  43 </script>