content/html/document/test/test_viewport.html

   1 <!DOCTYPE html>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=436083
   5 -->
   6 <head>
   7   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
   8   <meta name="viewport" content="height=398, width=4224, minimum-scale=0.1,
   9   initial-scale=2.3, maximum-scale=45.2, user-scalable=no">
  10   <title>Test for Viewport META Tag Parsing</title>
  11   <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
  12   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  13   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  14 </head>
  15 <body>
  16 <a target="_blank"
  17 href="https://bugzilla.mozilla.org/show_bug.cgi?id=436083">Mozilla Bug 436083</a>
  18 <pre id="test">
  19 <script class="testbody" type="text/javascript">
  20
  21 /** Test for Viewport META Tag **/
  22
  23 SimpleTest.waitForExplicitFinish();
  24
  25 function testViewport() {
  26
  27   /* We need to access the document headers, which are chrome-only. */
  28   netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
  29
  30   /* Grab Viewport Metadata from the document header. */
  31   var iRequester =
  32     window.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
  33   var windowUtils =
  34     iRequester.getInterface(Components.interfaces.nsIDOMWindowUtils);
  35   var vpWidth =
  36     parseInt(windowUtils.getDocumentMetadata("viewport-width"));
  37   var vpHeight =
  38     parseInt(windowUtils.getDocumentMetadata("viewport-height"));
  39   var vpInitialScale =
  40     parseFloat(windowUtils.getDocumentMetadata("viewport-initial-scale"));
  41   var vpMaxScale =
  42     parseFloat(windowUtils.getDocumentMetadata("viewport-maximum-scale"));
  43   var vpMinScale =
  44     parseFloat(windowUtils.getDocumentMetadata("viewport-minimum-scale"));
  45   var vpUserScalable =
  46     windowUtils.getDocumentMetadata("viewport-user-scalable");
  47
  48   is(vpWidth, 4224, "Should get proper width");
  49   is(vpHeight, 398, "Should get proper height");
  50   is(vpInitialScale, 2.3, "Should get proper initial scale");
  51   is(vpMaxScale, 45.2, "Should get proper max scale");
  52   is(vpMinScale, 0.1, "Should get proper min scale");
  53   is(vpUserScalable, "no", "Should get proper user scalable parameter");
  54 }
  55
  56 addLoadEvent(testViewport);
  57 addLoadEvent(SimpleTest.finish);
  58
  59 </script>
  60 </pre>
  61 </body>
  62 </html>