src/third_party/WebKit/LayoutTests/fast/events/before-unload-return-value-from-listener.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="../../resources/js-test.js"></script>
   5 <script>
   6 if (window.testRunner)
   7     testRunner.setShouldStayOnPageAfterHandlingBeforeUnload(true);
   8
   9 var testEvent;
  10 window.onload = function() {
  11     window.location.href = "resources/does-not-exist.html";
  12     setTimeout(function() {
  13         shouldBeEqualToString("testEvent.returnValue", "");
  14         finishJSTest();
  15     }, 0);
  16 }
  17
  18 window.addEventListener('beforeunload', function(event) {
  19     testEvent = event;
  20     shouldBe("testEvent.__proto__", "BeforeUnloadEvent.prototype");
  21     return "not supposed to be assigned to returnValue";
  22 }, false);
  23 </script>
  24 </head>
  25 <body>
  26 <script>
  27 description("Tests the returnValue attribute of the BeforeUnloadEvent from an event listener.");
  28 self.jsTestIsAsync = true;
  29 </script>
  30 </body>
  31 </html>
  32