dom/xslt/tests/mochitest/test_bug1527308.html

   1 <!DOCTYPE html>
   2 <meta charset="utf-8">
   3 <title>Test for serialized state in XSLT result document</title>
   4 <script src="/resources/testharness.js"></script>
   5 <script src="/resources/testharnessreport.js"></script>
   6 <div id="log"></div>
   7 <script>
   8 async_test(t => {
   9   let iframe = document.createElement('iframe');
  10   let src = `<?xml version="1.0"?>
  11              <?xml-stylesheet type="text/xml" href="#stylesheet"?>
  12              <doc>
  13                <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0" id="stylesheet">
  14                  <xsl:output method="html"/>
  15                  <xsl:template match="/">
  16                    <html>
  17                      <xsl:element name="script">self.addEventListener("message", () => { history.go(0); });</xsl:element>
  18                      <body onload="parent.postMessage(history.state, '*'); history.replaceState('data', 'title');"></body>
  19                    </html>
  20                  </xsl:template>
  21                </xsl:stylesheet>
  22              </doc>`;
  23   iframe.src = "data:text/xml," + encodeURIComponent(src);
  24   let reloaded = false;
  25   self.addEventListener("message", t.step_func(({data: state}) => {
  26     if (!reloaded) {
  27       assert_equals(state, null, "At this point history.state should be set.");
  28       iframe.contentWindow.postMessage("", "*");
  29       reloaded = true;
  30       return;
  31     }
  32
  33     assert_equals(state, 'data', "Data set through history.replaceState in an XSLT result document should persist.");
  34     t.done();
  35   }));
  36   document.body.appendChild(iframe);
  37 }, "Test for serialized state in XSLT result document");
  38 </script>