| <!DOCTYPE html> |
| <title>window.event tests</title> |
| <link rel="author" title="Mike Taylor" href="mailto:miketaylr@gmail.com"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id=log></div> |
| <script> |
| test(t => { |
| assert_own_property(window, "event"); |
| assert_equals(window.event, undefined); |
| }, "event exists on window, which is initially set to undefined"); |
| |
| async_test(t => { |
| let target = document.createElement("div"); |
| assert_equals(window.event, undefined, "undefined before dispatch"); |
| |
| let clickEvent = new Event("click"); |
| target.addEventListener("click", t.step_func_done(e => { |
| assert_equals(window.event, clickEvent, "window.event set to current event during dispatch"); |
| })); |
| |
| target.dispatchEvent(clickEvent); |
| assert_equals(window.event, undefined, "undefined after dispatch"); |
| }, "window.event is only defined during dispatch"); |
| |
| async_test(t => { |
| let parent = document.createElement("div"); |
| let root = parent.attachShadow({mode: "closed"}); |
| let span = document.createElement("span"); |
| root.appendChild(span); |
| |
| span.addEventListener("test", t.step_func(e => { |
| assert_equals(window.event, undefined); |
| assert_not_equals(window.event, e); |
| })); |
| |
| parent.addEventListener("test", t.step_func_done(e => { |
| assert_equals(window.event, e); |
| assert_not_equals(window.event, undefined); |
| })); |
| |
| parent.dispatchEvent(new Event("test", {composed: true})); |
| }, "window.event is undefined if the target is in a shadow tree (event dispatched outside shadow tree)"); |
| |
| async_test(t => { |
| let parent = document.createElement("div"); |
| let root = parent.attachShadow({mode: "closed"}); |
| let span = document.createElement("span"); |
| root.appendChild(span); |
| let shadowNode = root.firstElementChild; |
| |
| shadowNode.addEventListener("test", t.step_func((e) => { |
| assert_not_equals(window.event, e); |
| assert_equals(window.event, undefined); |
| })); |
| |
| parent.addEventListener("test", t.step_func_done(e => { |
| assert_equals(window.event, e); |
| assert_not_equals(window.event, undefined); |
| })); |
| |
| shadowNode.dispatchEvent(new Event("test", {composed: true, bubbles: true})); |
| }, "window.event is undefined if the target is in a shadow tree (event dispatched inside shadow tree)"); |
| |
| async_test(t => { |
| let target1 = document.createElement("div"); |
| let target2 = document.createElement("div"); |
| |
| target2.addEventListener("dude", t.step_func(() => { |
| assert_equals(window.event.type, "dude"); |
| })); |
| |
| target1.addEventListener("cool", t.step_func_done(() => { |
| assert_equals(window.event.type, "cool", "got expected event from global event during dispatch"); |
| target2.dispatchEvent(new Event("dude")); |
| assert_equals(window.event.type, "cool", "got expected event from global event after handling a different event handler callback"); |
| })); |
| |
| target1.dispatchEvent(new Event("cool")); |
| }, "window.event is set to the current event during dispatch"); |
| |
| async_test(t => { |
| let target = document.createElement("div"); |
| |
| target.addEventListener("click", t.step_func_done(e => { |
| assert_equals(e, window.event); |
| })); |
| |
| target.dispatchEvent(new Event("click")); |
| }, "window.event is set to the current event, which is the event passed to dispatch"); |
| </script> |
