60 lines
3.8 KiB
HTML
60 lines
3.8 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
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<link rel="help" href="https://github.com/whatwg/html/issues/10854">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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</head>
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<body>
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<div id="host-window"><template shadowrootmode="open"><a-b></a-b></template></div>
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<div id="host-null"><template shadowrootmode="open" shadowrootcustomelementregistry=""><a-b></a-b></template></div>
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<script>
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setup({allow_uncaught_exception : true});
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test(() => {
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const registry = new CustomElementRegistry;
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registry.define('constructor-throws-exception', class extends HTMLElement { constructor() { super(); throw TypeError; } });
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registry.define('constructor-returns-different-element', class extends HTMLElement { constructor() { super(); return document.createElement('span'); } });
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assert_equals(document.createElement('constructor-throws-exception', {customElementRegistry: registry}).customElementRegistry, registry);
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assert_equals(document.createElement('constructor-returns-different-element', {customElementRegistry: registry}).customElementRegistry, registry);
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}, 'customElementRegistry on a failed custom element created by calling createElement on CustomElementRegistry should return the registry');
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test(() => {
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const registry = new CustomElementRegistry;
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registry.define('constructor-throws-exception', class extends HTMLElement { constructor() { super(); throw TypeError; } });
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registry.define('constructor-returns-different-element', class extends HTMLElement { constructor() { super(); return document.createElement('span'); } });
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const container = document.createElement('div', {customElementRegistry: registry});
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container.innerHTML = '<constructor-throws-exception></constructor-throws-exception><constructor-returns-different-element></constructor-returns-different-element>';
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assert_equals(container.querySelector('constructor-throws-exception').customElementRegistry, registry);
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assert_equals(container.querySelector('constructor-returns-different-element').customElementRegistry, registry);
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}, 'customElementRegistry on a failed custom element created by setting innerHTML should return the associated scoped registry');
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function insideDeclarativeShadowTreeWithNullRegistry(test, script, markup, check) {
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const frame = document.body.appendChild(document.createElement('iframe'));
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test.add_cleanup(() => frame.remove());
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frame.contentDocument.open();
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frame.contentDocument.write(`<!DOCTYPE html><html><body><div id="host"><template shadowrootmode="open" shadowrootcustomelementregistry><script>`
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+ script + `</` + 'script>' + markup + '</template></div></body></html>');
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frame.contentDocument.close();
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check(frame.contentDocument, frame.contentWindow);
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}
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test((t) => {
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insideDeclarativeShadowTreeWithNullRegistry(t, `
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window.registry = new CustomElementRegistry;
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registry.initialize(host.shadowRoot);
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registry.define('constructor-throws-exception', class extends HTMLElement { constructor() { super(); throw TypeError; } });
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registry.define('constructor-returns-different-element', class extends HTMLElement { constructor() { super(); return document.createElement('span'); } });`,
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'<constructor-throws-exception></constructor-throws-exception><constructor-returns-different-element></constructor-returns-different-element>',
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(doc, win) => {
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assert_equals(win.host.shadowRoot.querySelector('constructor-throws-exception').customElementRegistry, win.registry);
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assert_equals(win.host.shadowRoot.querySelector('constructor-returns-different-element').customElementRegistry, win.registry);
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});
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}, 'customElementRegistry on a failed custom element created by parser should return the specified custom regsitry');
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</script>
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</body>
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</html>
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