11cb0ef41Sopenharmony_ci<!DOCTYPE html>
21cb0ef41Sopenharmony_ci<title>window.event tests</title>
31cb0ef41Sopenharmony_ci<link rel="author" title="Mike Taylor" href="mailto:miketaylr@gmail.com">
41cb0ef41Sopenharmony_ci<script src="/resources/testharness.js"></script>
51cb0ef41Sopenharmony_ci<script src="/resources/testharnessreport.js"></script>
61cb0ef41Sopenharmony_ci<div id=log></div>
71cb0ef41Sopenharmony_ci<script>
81cb0ef41Sopenharmony_cisetup({allow_uncaught_exception: true});
91cb0ef41Sopenharmony_ci
101cb0ef41Sopenharmony_citest(t => {
111cb0ef41Sopenharmony_ci  assert_own_property(window, "event");
121cb0ef41Sopenharmony_ci  assert_equals(window.event, undefined);
131cb0ef41Sopenharmony_ci}, "event exists on window, which is initially set to undefined");
141cb0ef41Sopenharmony_ci
151cb0ef41Sopenharmony_ciasync_test(t => {
161cb0ef41Sopenharmony_ci  let target = document.createElement("div");
171cb0ef41Sopenharmony_ci  assert_equals(window.event, undefined, "undefined before dispatch");
181cb0ef41Sopenharmony_ci
191cb0ef41Sopenharmony_ci  let clickEvent = new Event("click");
201cb0ef41Sopenharmony_ci  target.addEventListener("click", t.step_func_done(e => {
211cb0ef41Sopenharmony_ci    assert_equals(window.event, clickEvent, "window.event set to current event during dispatch");
221cb0ef41Sopenharmony_ci  }));
231cb0ef41Sopenharmony_ci
241cb0ef41Sopenharmony_ci  target.dispatchEvent(clickEvent);
251cb0ef41Sopenharmony_ci  assert_equals(window.event, undefined, "undefined after dispatch");
261cb0ef41Sopenharmony_ci}, "window.event is only defined during dispatch");
271cb0ef41Sopenharmony_ci
281cb0ef41Sopenharmony_ciasync_test(t => {
291cb0ef41Sopenharmony_ci  let parent = document.createElement("div");
301cb0ef41Sopenharmony_ci  let root = parent.attachShadow({mode: "closed"});
311cb0ef41Sopenharmony_ci  let span = document.createElement("span");
321cb0ef41Sopenharmony_ci  root.appendChild(span);
331cb0ef41Sopenharmony_ci
341cb0ef41Sopenharmony_ci  span.addEventListener("test", t.step_func(e => {
351cb0ef41Sopenharmony_ci    assert_equals(window.event, undefined);
361cb0ef41Sopenharmony_ci    assert_not_equals(window.event, e);
371cb0ef41Sopenharmony_ci  }));
381cb0ef41Sopenharmony_ci
391cb0ef41Sopenharmony_ci  parent.addEventListener("test", t.step_func_done(e => {
401cb0ef41Sopenharmony_ci    assert_equals(window.event, e);
411cb0ef41Sopenharmony_ci    assert_not_equals(window.event, undefined);
421cb0ef41Sopenharmony_ci  }));
431cb0ef41Sopenharmony_ci
441cb0ef41Sopenharmony_ci  parent.dispatchEvent(new Event("test", {composed: true}));
451cb0ef41Sopenharmony_ci}, "window.event is undefined if the target is in a shadow tree (event dispatched outside shadow tree)");
461cb0ef41Sopenharmony_ci
471cb0ef41Sopenharmony_ciasync_test(t => {
481cb0ef41Sopenharmony_ci  let parent = document.createElement("div");
491cb0ef41Sopenharmony_ci  let root = parent.attachShadow({mode: "closed"});
501cb0ef41Sopenharmony_ci  let span = document.createElement("span");
511cb0ef41Sopenharmony_ci  root.appendChild(span);
521cb0ef41Sopenharmony_ci  let shadowNode = root.firstElementChild;
531cb0ef41Sopenharmony_ci
541cb0ef41Sopenharmony_ci  shadowNode.addEventListener("test", t.step_func((e) => {
551cb0ef41Sopenharmony_ci    assert_not_equals(window.event, e);
561cb0ef41Sopenharmony_ci    assert_equals(window.event, undefined);
571cb0ef41Sopenharmony_ci  }));
581cb0ef41Sopenharmony_ci
591cb0ef41Sopenharmony_ci  parent.addEventListener("test", t.step_func_done(e => {
601cb0ef41Sopenharmony_ci    assert_equals(window.event, e);
611cb0ef41Sopenharmony_ci    assert_not_equals(window.event, undefined);
621cb0ef41Sopenharmony_ci  }));
631cb0ef41Sopenharmony_ci
641cb0ef41Sopenharmony_ci  shadowNode.dispatchEvent(new Event("test", {composed: true, bubbles: true}));
651cb0ef41Sopenharmony_ci}, "window.event is undefined if the target is in a shadow tree (event dispatched inside shadow tree)");
661cb0ef41Sopenharmony_ci
671cb0ef41Sopenharmony_ciasync_test(t => {
681cb0ef41Sopenharmony_ci  let parent = document.createElement("div");
691cb0ef41Sopenharmony_ci  let root = parent.attachShadow({mode: "open"});
701cb0ef41Sopenharmony_ci  document.body.append(parent)
711cb0ef41Sopenharmony_ci  let span = document.createElement("span");
721cb0ef41Sopenharmony_ci  root.append(span);
731cb0ef41Sopenharmony_ci  let shadowNode = root.firstElementChild;
741cb0ef41Sopenharmony_ci
751cb0ef41Sopenharmony_ci  shadowNode.addEventListener("error", t.step_func(e => {
761cb0ef41Sopenharmony_ci    assert_not_equals(window.event, e);
771cb0ef41Sopenharmony_ci    assert_equals(window.event, undefined);
781cb0ef41Sopenharmony_ci  }));
791cb0ef41Sopenharmony_ci
801cb0ef41Sopenharmony_ci  let windowOnErrorCalled = false;
811cb0ef41Sopenharmony_ci  window.onerror = t.step_func_done(() => {
821cb0ef41Sopenharmony_ci    windowOnErrorCalled = true;
831cb0ef41Sopenharmony_ci    assert_equals(typeof window.event, "object");
841cb0ef41Sopenharmony_ci    assert_equals(window.event.type, "error");
851cb0ef41Sopenharmony_ci  });
861cb0ef41Sopenharmony_ci
871cb0ef41Sopenharmony_ci  shadowNode.dispatchEvent(new ErrorEvent("error", {composed: true, bubbles: true}));
881cb0ef41Sopenharmony_ci  assert_true(windowOnErrorCalled);
891cb0ef41Sopenharmony_ci}, "window.event is undefined inside window.onerror if the target is in a shadow tree (ErrorEvent dispatched inside shadow tree)");
901cb0ef41Sopenharmony_ci
911cb0ef41Sopenharmony_ciasync_test(t => {
921cb0ef41Sopenharmony_ci  let target1 = document.createElement("div");
931cb0ef41Sopenharmony_ci  let target2 = document.createElement("div");
941cb0ef41Sopenharmony_ci
951cb0ef41Sopenharmony_ci  target2.addEventListener("dude", t.step_func(() => {
961cb0ef41Sopenharmony_ci    assert_equals(window.event.type, "dude");
971cb0ef41Sopenharmony_ci  }));
981cb0ef41Sopenharmony_ci
991cb0ef41Sopenharmony_ci  target1.addEventListener("cool", t.step_func_done(() => {
1001cb0ef41Sopenharmony_ci    assert_equals(window.event.type, "cool", "got expected event from global event during dispatch");
1011cb0ef41Sopenharmony_ci    target2.dispatchEvent(new Event("dude"));
1021cb0ef41Sopenharmony_ci    assert_equals(window.event.type, "cool", "got expected event from global event after handling a different event handler callback");
1031cb0ef41Sopenharmony_ci  }));
1041cb0ef41Sopenharmony_ci
1051cb0ef41Sopenharmony_ci  target1.dispatchEvent(new Event("cool"));
1061cb0ef41Sopenharmony_ci}, "window.event is set to the current event during dispatch");
1071cb0ef41Sopenharmony_ci
1081cb0ef41Sopenharmony_ciasync_test(t => {
1091cb0ef41Sopenharmony_ci  let target = document.createElement("div");
1101cb0ef41Sopenharmony_ci
1111cb0ef41Sopenharmony_ci  target.addEventListener("click", t.step_func_done(e => {
1121cb0ef41Sopenharmony_ci    assert_equals(e, window.event);
1131cb0ef41Sopenharmony_ci  }));
1141cb0ef41Sopenharmony_ci
1151cb0ef41Sopenharmony_ci  target.dispatchEvent(new Event("click"));
1161cb0ef41Sopenharmony_ci}, "window.event is set to the current event, which is the event passed to dispatch");
1171cb0ef41Sopenharmony_ci</script>
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