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108 lines
3.3 KiB
HTML
108 lines
3.3 KiB
HTML
<!DOCTYPE html>
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<title>MathMLElement GlobalEventHandlers</title>
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<link rel="author" title="Brian Kardell" href="mailto:bkardell@igalia.com" />
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<link
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rel="help"
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href="https://mathml-refresh.github.io/mathml-core/#dom-and-javascript"
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/>
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<link
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rel="help"
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href="https://html.spec.whatwg.org/multipage/#event-handler-idl-attributes"
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/>
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<link
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rel="help"
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href="https://html.spec.whatwg.org/multipage/#event-handler-content-attributes"
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/>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/resources/WebIDLParser.js"></script>
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<script>
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"use strict";
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setup({ explicit_done: true });
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// basic pattern lifted from /html/webappapis/scripting/events/event-handler-all-global-events.html
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fetch("/interfaces/html.idl")
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.then(res => res.text())
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.then(htmlIDL => {
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const parsedHTMLIDL = WebIDL2.parse(htmlIDL);
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const globalEventHandlers = parsedHTMLIDL.find(
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idl => idl.name === "GlobalEventHandlers"
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);
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// onerror is too special
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const names = globalEventHandlers.members
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.map(member => member.name)
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.filter(name => name !== "onerror");
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for (const name of names) {
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const withoutOn = name.substring(2);
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test(() => {
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const location = MathMLElement.prototype;
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assert_true(
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location.hasOwnProperty(name),
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`${location.constructor.name} has an own property named "${name}"`
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);
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assert_false(
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name in Element.prototype,
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`Element.prototype must not contain a "${name}" property`
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);
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}, `${name}: must be on the appropriate locations for GlobalEventHandlers`);
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test(() => {
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const location = document.createElementNS(
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"http://www.w3.org/1998/Math/MathML",
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"math"
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);
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assert_equals(
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location[name],
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null,
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`The default value of the property is null for a ${
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location.constructor.name
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} instance`
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);
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}, `${name}: the default value must be null`);
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test(() => {
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const el = document.createElementNS(
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"http://www.w3.org/1998/Math/MathML",
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"math"
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);
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el.setAttribute(name, `window.${name}Happened = true;`);
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const compiledHandler = el[name];
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assert_equals(
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typeof compiledHandler,
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"function",
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`The ${name} property must be a function`
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);
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compiledHandler();
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assert_true(
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window[name + "Happened"],
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"Calling the handler must run the code"
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);
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}, `${name}: the content attribute must be compiled into a function as the corresponding property`);
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test(() => {
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const element = document.createElementNS(
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"http://www.w3.org/1998/Math/MathML",
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"math"
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);
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element[name] = e => {
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assert_equals(
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e.currentTarget,
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element,
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"The event must be fired at the <math> element"
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);
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};
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element.dispatchEvent(new Event(withoutOn));
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}, `${name}: dispatching an Event at a <math> element must trigger element.${name}`);
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}
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done();
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});
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</script>
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