LayoutTests/fast/dom/undetectable-style-filter.html

   1 <html>
   2 <head>
   3 <script>
   4 function print(message, color)
   5 {
   6     var paragraph = document.createElement("div");
   7     paragraph.appendChild(document.createTextNode(message));
   8     paragraph.style.fontFamily = "monospace";
   9     if (color)
  10         paragraph.style.color = color;
  11     document.getElementById("console").appendChild(paragraph);
  12 }
  13
  14 function shouldBe(a, b)
  15 {
  16     var evalA;
  17     try {
  18         evalA = eval(a);
  19     } catch(e) {
  20         evalA = e;
  21     }
  22
  23     if (evalA == b)
  24         print("PASS: " + a + " should be " + b + " and is.", "green");
  25     else
  26         print("FAIL: " + a + " should be " + b + " but instead is " + evalA + ".", "red");
  27 }
  28
  29 function test()
  30 {
  31     if (window.layoutTestController)
  32         layoutTestController.dumpAsText();
  33
  34     shouldBe("typeof document.body.style.filter", "undefined");
  35     shouldBe("document.body.style.filter ? true : false", false);
  36     shouldBe("document.body.style.filter == undefined", true);
  37 }
  38 </script>
  39 </head>
  40
  41 <body onload="test();">
  42 <p>This page tests whether the CSS 'filter' property is undetectable. If the test passes, you'll see a series of 'PASS' messages below.</p>
  43 <hr>
  44
  45 <div id='console'></div>
  46
  47 </body>
  48 </html>