diff --git a/packages/language-server/tests/completions.spec.ts b/packages/language-server/tests/completions.spec.ts
index 5bda73d90b..9323cef6f0 100644
--- a/packages/language-server/tests/completions.spec.ts
+++ b/packages/language-server/tests/completions.spec.ts
@@ -29,6 +29,136 @@ describe('Completions', async () => {
 		`);
 	});
 
+	it('HTML tags and built-in components', async () => {
+		expect(
+			(await requestCompletionList('fixture.vue', 'vue', `<template><| /></template>`)).items.map(item => item.label)
+		).toMatchInlineSnapshot(`
+			[
+			  "!DOCTYPE",
+			  "html",
+			  "head",
+			  "title",
+			  "base",
+			  "link",
+			  "meta",
+			  "style",
+			  "body",
+			  "article",
+			  "section",
+			  "nav",
+			  "aside",
+			  "h1",
+			  "h2",
+			  "h3",
+			  "h4",
+			  "h5",
+			  "h6",
+			  "header",
+			  "footer",
+			  "address",
+			  "p",
+			  "hr",
+			  "pre",
+			  "blockquote",
+			  "ol",
+			  "ul",
+			  "li",
+			  "dl",
+			  "dt",
+			  "dd",
+			  "figure",
+			  "figcaption",
+			  "main",
+			  "div",
+			  "a",
+			  "em",
+			  "strong",
+			  "small",
+			  "s",
+			  "cite",
+			  "q",
+			  "dfn",
+			  "abbr",
+			  "ruby",
+			  "rb",
+			  "rt",
+			  "rp",
+			  "time",
+			  "code",
+			  "var",
+			  "samp",
+			  "kbd",
+			  "sub",
+			  "sup",
+			  "i",
+			  "b",
+			  "u",
+			  "mark",
+			  "bdi",
+			  "bdo",
+			  "span",
+			  "br",
+			  "wbr",
+			  "ins",
+			  "del",
+			  "picture",
+			  "img",
+			  "iframe",
+			  "embed",
+			  "object",
+			  "param",
+			  "video",
+			  "audio",
+			  "source",
+			  "track",
+			  "map",
+			  "area",
+			  "table",
+			  "caption",
+			  "colgroup",
+			  "col",
+			  "tbody",
+			  "thead",
+			  "tfoot",
+			  "tr",
+			  "td",
+			  "th",
+			  "form",
+			  "label",
+			  "input",
+			  "button",
+			  "select",
+			  "datalist",
+			  "optgroup",
+			  "option",
+			  "textarea",
+			  "output",
+			  "progress",
+			  "meter",
+			  "fieldset",
+			  "legend",
+			  "details",
+			  "summary",
+			  "dialog",
+			  "script",
+			  "noscript",
+			  "canvas",
+			  "data",
+			  "hgroup",
+			  "menu",
+			  "Transition",
+			  "TransitionGroup",
+			  "KeepAlive",
+			  "Teleport",
+			  "Suspense",
+			  "component",
+			  "slot",
+			  "template",
+			  "fixture",
+			]
+		`);
+	});
+
 	it('Directives', async () => {
 		await requestCompletionItem('fixture.vue', 'vue', `<template><div v-ht|></div></template>`, 'v-html');
 		await requestCompletionItem('fixture.vue', 'vue', `<template><div v-cl|></div></template>`, 'v-cloak');