layout/style/test/test_shared_sheet_caching.html

   1 <!doctype html>
   2 <meta charset="utf-8">
   3 <script src="/tests/SimpleTest/SimpleTest.js"></script>
   4 <script>
   5   function childWindowLoaded(childWin) {
   6     is(
   7       childWin.getComputedStyle(childWin.document.documentElement).backgroundColor,
   8       "rgb(0, 255, 0)",
   9       "Sheet should apply",
  10     )
  11     is(
  12       SpecialPowers.getDOMWindowUtils(childWin).parsedStyleSheets,
  13       0,
  14       `Shouldn't need to parse the stylesheet ${childWin.parent == window ? "frame" : "top"}`
  15     );
  16     if (childWin.top == childWin) {
  17       SimpleTest.finish();
  18     }
  19   }
  20 </script>
  21 <link rel="stylesheet" href="file_shared_sheet_caching.css">
  22 <iframe src="file_shared_sheet_caching.html"></iframe>
  23 <a rel="opener" href="file_shared_sheet_caching.html" target="_blank">Navigation</a>
  24 <script>
  25 SimpleTest.waitForExplicitFinish();
  26 onload = function() {
  27   info("Sheets parsed: " + SpecialPowers.DOMWindowUtils.parsedStyleSheets);
  28   is(
  29     getComputedStyle(document.documentElement).backgroundColor,
  30     "rgb(0, 255, 0)",
  31     "Sheet should apply",
  32   )
  33   document.querySelector("a").click();
  34 }
  35 </script>