127 lines
4.4 KiB
HTML
127 lines
4.4 KiB
HTML
<!DOCTYPE html>
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<title>window.event tests</title>
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<link rel="author" title="Mike Taylor" href="mailto:miketaylr@gmail.com">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id=log></div>
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<script>
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setup({allow_uncaught_exception: true});
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test(t => {
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assert_own_property(window, "event");
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assert_equals(window.event, undefined);
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}, "event exists on window, which is initially set to undefined");
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async_test(t => {
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let target = document.createElement("div");
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assert_equals(window.event, undefined, "undefined before dispatch");
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let clickEvent = new Event("click");
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target.addEventListener("click", t.step_func_done(e => {
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assert_equals(window.event, clickEvent, "window.event set to current event during dispatch");
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}));
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target.dispatchEvent(clickEvent);
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assert_equals(window.event, undefined, "undefined after dispatch");
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}, "window.event is only defined during dispatch");
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async_test(t => {
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let parent = document.createElement("div");
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let root = parent.attachShadow({mode: "closed"});
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let span = document.createElement("span");
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root.appendChild(span);
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span.addEventListener("test", t.step_func(e => {
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assert_equals(window.event, undefined);
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assert_not_equals(window.event, e);
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}));
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parent.addEventListener("test", t.step_func_done(e => {
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assert_equals(window.event, e);
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assert_not_equals(window.event, undefined);
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}));
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parent.dispatchEvent(new Event("test", {composed: true}));
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}, "window.event is undefined if the target is in a shadow tree (event dispatched outside shadow tree)");
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async_test(t => {
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let parent = document.createElement("div");
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let root = parent.attachShadow({mode: "closed"});
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let span = document.createElement("span");
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root.appendChild(span);
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let shadowNode = root.firstElementChild;
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shadowNode.addEventListener("test", t.step_func((e) => {
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assert_not_equals(window.event, e);
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assert_equals(window.event, undefined);
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}));
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parent.addEventListener("test", t.step_func_done(e => {
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assert_equals(window.event, e);
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assert_not_equals(window.event, undefined);
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}));
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shadowNode.dispatchEvent(new Event("test", {composed: true, bubbles: true}));
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}, "window.event is undefined if the target is in a shadow tree (event dispatched inside shadow tree)");
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async_test(t => {
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let parent = document.createElement("div");
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let root = parent.attachShadow({mode: "open"});
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document.body.append(parent)
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let span = document.createElement("span");
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root.append(span);
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let shadowNode = root.firstElementChild;
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shadowNode.addEventListener("error", t.step_func(e => {
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assert_not_equals(window.event, e);
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assert_equals(window.event, undefined);
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}));
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let windowOnErrorCalled = false;
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window.onerror = t.step_func_done(() => {
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windowOnErrorCalled = true;
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assert_equals(typeof window.event, "object");
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assert_equals(window.event.type, "error");
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});
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shadowNode.dispatchEvent(new ErrorEvent("error", {composed: true, bubbles: true}));
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assert_true(windowOnErrorCalled);
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}, "window.event is undefined inside window.onerror if the target is in a shadow tree (ErrorEvent dispatched inside shadow tree)");
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async_test(t => {
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let target1 = document.createElement("div");
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let target2 = document.createElement("div");
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target2.addEventListener("dude", t.step_func(() => {
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assert_equals(window.event.type, "dude");
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}));
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target1.addEventListener("cool", t.step_func_done(() => {
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assert_equals(window.event.type, "cool", "got expected event from global event during dispatch");
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target2.dispatchEvent(new Event("dude"));
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assert_equals(window.event.type, "cool", "got expected event from global event after handling a different event handler callback");
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}));
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target1.dispatchEvent(new Event("cool"));
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}, "window.event is set to the current event during dispatch");
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async_test(t => {
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let target = document.createElement("div");
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target.addEventListener("click", t.step_func_done(e => {
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assert_equals(e, window.event);
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}));
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target.dispatchEvent(new Event("click"));
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}, "window.event is set to the current event, which is the event passed to dispatch");
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async_test(t => {
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let target = new XMLHttpRequest();
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target.onload = t.step_func_done(e => {
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assert_equals(e, window.event);
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});
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target.dispatchEvent(new Event("load"));
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}, "window.event is set to the current event, which is the event passed to dispatch (2)");
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</script>
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