src/third_party/WebKit/LayoutTests/fast/dom/shadow/shadow-tree-listener-clearance.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <script src="../../../resources/js-test.js"></script>
   5 <iframe id="childFrame" src="./resources/shadow-tree-listener-clearance-frame.html"></iframe>
   6 <script>
   7
   8 var child = document.getElementById("childFrame");
   9 var firedCount = 0;
  10
  11 function getChildTarget()
  12 {
  13     return child.contentDocument.targetInShadow;
  14 }
  15
  16 function test()
  17 {
  18     var toBeListened = getChildTarget();
  19     toBeListened.addEventListener("test", function(event) { firedCount++; });
  20
  21     toBeListened.dispatchEvent(new CustomEvent("test"));
  22     shouldBe("firedCount", "1");
  23
  24     window.child.contentDocument.open(); // This should clear event listeners
  25     toBeListened.dispatchEvent(new CustomEvent("test"));
  26     shouldBe("firedCount", "1");
  27     window.child.contentDocument.close();
  28
  29     finishJSTest();
  30 }
  31
  32 jsTestIsAsync = true;
  33 child.addEventListener("load", test);
  34
  35 </script>
  36 </body>
  37 </html>