| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script> |
| description("Checks that the Window's EventListener API can be called without an explicit 'this' value."); |
| |
| var wasWindowEventListenerCalled = false; |
| |
| var addEventListenerFunction = window.addEventListener; |
| shouldNotThrow("addEventListenerFunction.call(undefined, 'myevent', function() { wasWindowEventListenerCalled = true; });"); |
| |
| var dispatchEventFunction = window.dispatchEvent; |
| shouldBeTrue("dispatchEventFunction.call(undefined, new Event('myevent'))"); |
| |
| shouldBeTrue("wasWindowEventListenerCalled"); |
| |
| // As of early 2016, this matches Firefox and Chrome's behavior: We fall back to using the global window, even if the function |
| // came from a non-Window object. |
| wasWindowEventListenerCalled = false; |
| |
| bodyDispatchEventFunction = document.body.dispatchEvent; |
| shouldBeTrue("bodyDispatchEventFunction.call(undefined, new Event('myevent'))"); |
| |
| shouldBeTrue("wasWindowEventListenerCalled"); |
| |
| wasWindowEventListenerCalled = false; |
| |
| var xhr = new XMLHttpRequest(); |
| xhrDispatchEventFunction = xhr.dispatchEvent; |
| shouldBeTrue("xhrDispatchEventFunction.call(undefined, new Event('myevent'))"); |
| |
| shouldBeTrue("wasWindowEventListenerCalled"); |
| |
| wasWindowEventListenerCalled = false; |
| shouldNotThrow("addEventListenerFunction('myevent2', function() { wasWindowEventListenerCalled = true; });"); |
| shouldBeTrue("window.dispatchEvent(new Event('myevent2'))"); |
| shouldBeTrue("wasWindowEventListenerCalled"); |
| |
| |
| </script> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
