| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test.js"></script> |
| <script> |
| if (window.testRunner) |
| testRunner.setShouldStayOnPageAfterHandlingBeforeUnload(true); |
| |
| var testEvent; |
| window.onload = function() { |
| window.location.href = "resources/does-not-exist.html"; |
| setTimeout(function() { |
| shouldBeEqualToString("testEvent.returnValue", ""); |
| window.stop(); |
| finishJSTest(); |
| }, 0); |
| } |
| |
| window.addEventListener('beforeunload', function(event) { |
| testEvent = event; |
| shouldBe("testEvent.__proto__", "BeforeUnloadEvent.prototype"); |
| return "not supposed to be assigned to returnValue"; |
| }, false); |
| </script> |
| </head> |
| <body> |
| <script> |
| description("Tests the returnValue attribute of the BeforeUnloadEvent from an event listener."); |
| self.jsTestIsAsync = true; |
| </script> |
| </body> |
| </html> |
| |
