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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { test, assertEquals, assert } from "./test_util.ts";
test(function eventInitializedWithType(): void {
const type = "click";
const event = new Event(type);
assertEquals(event.isTrusted, false);
assertEquals(event.target, null);
assertEquals(event.currentTarget, null);
assertEquals(event.type, "click");
assertEquals(event.bubbles, false);
assertEquals(event.cancelable, false);
});
test(function eventInitializedWithTypeAndDict(): void {
const init = "submit";
const eventInit = { bubbles: true, cancelable: true } as EventInit;
const event = new Event(init, eventInit);
assertEquals(event.isTrusted, false);
assertEquals(event.target, null);
assertEquals(event.currentTarget, null);
assertEquals(event.type, "submit");
assertEquals(event.bubbles, true);
assertEquals(event.cancelable, true);
});
test(function eventComposedPathSuccess(): void {
const type = "click";
const event = new Event(type);
const composedPath = event.composedPath();
assertEquals(composedPath, []);
});
test(function eventStopPropagationSuccess(): void {
const type = "click";
const event = new Event(type);
assertEquals(event.cancelBubble, false);
event.stopPropagation();
assertEquals(event.cancelBubble, true);
});
test(function eventStopImmediatePropagationSuccess(): void {
const type = "click";
const event = new Event(type);
assertEquals(event.cancelBubble, false);
assertEquals(event.cancelBubbleImmediately, false);
event.stopImmediatePropagation();
assertEquals(event.cancelBubble, true);
assertEquals(event.cancelBubbleImmediately, true);
});
test(function eventPreventDefaultSuccess(): void {
const type = "click";
const event = new Event(type);
assertEquals(event.defaultPrevented, false);
event.preventDefault();
assertEquals(event.defaultPrevented, false);
const eventInit = { bubbles: true, cancelable: true } as EventInit;
const cancelableEvent = new Event(type, eventInit);
assertEquals(cancelableEvent.defaultPrevented, false);
cancelableEvent.preventDefault();
assertEquals(cancelableEvent.defaultPrevented, true);
});
test(function eventInitializedWithNonStringType(): void {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const type: any = undefined;
const event = new Event(type);
assertEquals(event.isTrusted, false);
assertEquals(event.target, null);
assertEquals(event.currentTarget, null);
assertEquals(event.type, "undefined");
assertEquals(event.bubbles, false);
assertEquals(event.cancelable, false);
});
// ref https://github.com/web-platform-tests/wpt/blob/master/dom/events/Event-isTrusted.any.js
test(function eventIsTrusted(): void {
const desc1 = Object.getOwnPropertyDescriptor(new Event("x"), "isTrusted");
assert(desc1);
assertEquals(typeof desc1.get, "function");
const desc2 = Object.getOwnPropertyDescriptor(new Event("x"), "isTrusted");
assert(desc2);
assertEquals(typeof desc2!.get, "function");
assertEquals(desc1!.get, desc2!.get);
});
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