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