third_party/WebKit/LayoutTests/fast/js/toString-dontEnum.html

   1 <html>
   2 <head>
   3     <script type="text/javascript" charset="utf-8">
   4         function log(msg)
   5         {
   6             document.getElementById('console').appendChild(document.createTextNode(msg + '\n'));
   7         }
   8
   9         function test(element, name)
  10         {
  11             var didPass = true;
  12             for (prop in element) {
  13                 if (prop == "toString")
  14                     didPass = false;
  15             }
  16             if (didPass)
  17                 log("PASS: the toString function is not enumerable for " + name + ".");
  18             else
  19                 log("FAIL: the toString function is enumerable for " + name + " and should not be.");
  20         }
  21
  22         function runTests()
  23         {
  24             if (window.testRunner)
  25                 testRunner.dumpAsText();
  26
  27             // DOM objects with custom toString() functions
  28             test(document.createElement('a'), "HTMLAnchorElement");
  29             test(window.location, "Location");
  30             test(window.getSelection(), "Selection");
  31
  32             // Other DOM objects
  33             test(document.createElement('div'), "HTMLDivElement");
  34             test(document, "HTMLDocument");
  35
  36             // JS objects
  37             test({}, "Object");
  38             test([], "Array");
  39         }
  40     </script>
  41 </head>
  42 <body onload="runTests();">
  43     <p>This tests that the toString() function does not enumerate.</p>
  44     <pre id="console"></pre>
  45 </body>
  46 </html>