third_party/WebKit/LayoutTests/fast/dom/Document/readystate.html

   1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
   2 <html>
   3 <head>
   4 <script src="../../../resources/js-test.js"></script>
   5 </head>
   6 <body onload="allDone()">
   7 Tests that the document's readyState is set properly at various phases during load.
   8 <div id="console"></div>
   9 <script defer src="data:text/javascript,shouldBeEqualToString('document.readyState', 'interactive');shouldBeTrue('readyStateChangeFired');"></script>
  10 <script src="data:text/javascript,shouldBeEqualToString('document.readyState', 'loading');"></script>
  11 <iframe src="does-not-exist.html"></iframe>
  12 <script>
  13   var jsTestIsAsync = true;
  14
  15   shouldBe("document.onreadystatechange", "null");
  16   shouldBeEqualToString("document.readyState", "loading");
  17
  18   document.addEventListener("DOMContentLoaded", function() {
  19     shouldBeEqualToString("document.readyState", "interactive");
  20
  21     var el = document.createElement('script');
  22     el.src = "data:text/javascript,shouldBeEqualToString('document.readyState', 'interactive');";
  23     document.getElementsByTagName('head')[0].appendChild(el);
  24   }, false);
  25
  26   var expectedStates = ["interactive", "complete"];
  27   var nextExpectedState = 0;
  28   var readyStateChangeFired = false;
  29   document.onreadystatechange = function(event) {
  30     shouldBe("event.target.readyState", "expectedStates[nextExpectedState]");
  31     ++nextExpectedState;
  32     readyStateChangeFired = true;
  33   }
  34
  35   function readyStateShouldNotChange(event) {
  36     testFailed("should not have been notified of subdocument state change to " + event.target.readyState);
  37   }
  38
  39   var subdocument = document.getElementsByTagName('iframe')[0].contentDocument;
  40   subdocument.onreadystatechange = readyStateShouldNotChange;
  41   subdocument.open();
  42   shouldBeEqualToString("subdocument.readyState", "loading");
  43   subdocument.close();
  44   shouldBeEqualToString("subdocument.readyState", "complete");
  45
  46   var htmlDocument = document.implementation.createHTMLDocument();
  47   shouldBeEqualToString("htmlDocument.readyState", "loading");
  48
  49   var expectedDynamicStates = ["interactive", "complete"];
  50   var nextExpectedDynamicState = 0;
  51   var dynamicIframe = document.createElement('iframe');
  52   dynamicIframe.setAttribute("src", "about:blank");
  53   dynamicIframe.setAttribute("onload", "parent.dynamicIframeLoaded()");
  54   subdocument.body.appendChild(dynamicIframe);
  55   function dynamicIframeLoaded() {
  56     shouldBeEqualToString("dynamicIframe.contentDocument.readyState", "complete");
  57     dynamicIframe.contentDocument.onreadystatechange = readyStateShouldNotChange;
  58     dynamicIframe.contentDocument.open();
  59     shouldBe("dynamicIframe.contentDocument.onreadystatechange", "null");
  60     shouldBeEqualToString("dynamicIframe.contentDocument.readyState", "loading");
  61     dynamicIframe.contentDocument.onreadystatechange = function() {
  62       shouldBe("dynamicIframe.contentDocument.readyState", "expectedDynamicStates[nextExpectedDynamicState]");
  63       ++nextExpectedDynamicState;
  64     }
  65     dynamicIframe.contentDocument.close();
  66     shouldBeEqualToString("dynamicIframe.contentDocument.readyState", "complete");
  67
  68     dynamicIframe.contentDocument.onreadystatechange = readyStateShouldNotChange;
  69     subdocument.open();
  70     subdocument.close();
  71   }
  72
  73   function allDone() {
  74     shouldBe("nextExpectedState", "expectedStates.length");
  75     shouldBe("nextExpectedDynamicState", "expectedDynamicStates.length");
  76     shouldBeEqualToString("document.readyState", "complete");
  77     finishJSTest();
  78   }
  79 </script>
  80 </body>
  81 </html>