third_party/WebKit/LayoutTests/fast/js/exception-thrown-from-new.html

   1 <p>
   2 This page tests exceptions thrown from 'new' expressions. If the test passes,
   3 you'll see a series of PASS messages below.
   4 </p>
   5 <pre id="console"></pre>
   6
   7 <script>
   8 function log(s)
   9 {
  10     document.getElementById("console").appendChild(document.createTextNode(s + "\n"));
  11 }
  12
  13 function shouldBe(a, aDescription, b)
  14 {
  15     if (a == b) {
  16         log("PASS: " + aDescription + " should be '" + String(b) + "' and is.");
  17         return;
  18     }
  19
  20     log ("FAIL: " + aDescription + " should be '" + String(b) + "' but instead is '" + String(a) + "'.");
  21 }
  22
  23 if (window.testRunner)
  24     testRunner.dumpAsText();
  25
  26 (function () {
  27     try {
  28         var f;
  29         new f;
  30     } catch(e1) {
  31         shouldBe(e1, "e1", "TypeError: 'undefined' is not a constructor (evaluating 'new f')");
  32     }
  33 })();
  34
  35 (function () {
  36     try {
  37         var f;
  38         var g;
  39         new f(g());
  40     } catch(e2) {
  41         shouldBe(e2, "e2", "TypeError: 'undefined' is not a function (evaluating 'g()')");
  42     }
  43 })();
  44 </script>