src/third_party/WebKit/LayoutTests/fast/html/imports/resources/import-helpers.js

   1
   2
   3 function waitAndTest(tests)
   4 {
   5     window.jsTestIsAsync = true;
   6
   7     function runNext()
   8     {
   9         var options = tests.shift();
  10         if (!options)
  11             return requestAnimationFrame(function() { finishJSTest(); }, 0);
  12         return runSingleTest(options);
  13     }
  14
  15     function runSingleTest(options)
  16     {
  17         var interval = 1;
  18         var ntries = 8;
  19         function checkWhenReady()
  20         {
  21             if (--ntries < 0) {
  22                 testFailed("Timed out");
  23                 return finishJSTest();
  24             }
  25
  26             interval *= 2;
  27             if (!options.ready())
  28                 return setTimeout(checkWhenReady, interval);
  29
  30             options.test();
  31             return runNext();
  32         }
  33
  34         debug(options.description);
  35         if (options.setup)
  36             options.setup();
  37         checkWhenReady();
  38     }
  39
  40     window.setTimeout(runNext, 0);
  41 }
  42
  43 function createPlaceholder()
  44 {
  45     var link = document.createElement("link");
  46     link.setAttribute("href", "resources/placeholder.html");
  47     link.setAttribute("rel", "import");
  48     document.head.appendChild(link);
  49     return link;
  50 }