From c6841bdf4ea00ec5d6820fad4a00b7c881c5882a Mon Sep 17 00:00:00 2001
From: disservin <disservin.social@gmail.com>
Date: Thu, 8 Aug 2024 15:08:58 +0200
Subject: [PATCH] test(compiler-sfc): add assertion for template functional
 (#11557)

---
 packages/compiler-sfc/__tests__/parse.spec.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/packages/compiler-sfc/__tests__/parse.spec.ts b/packages/compiler-sfc/__tests__/parse.spec.ts
index 048dab693aa..87cd05ed0ef 100644
--- a/packages/compiler-sfc/__tests__/parse.spec.ts
+++ b/packages/compiler-sfc/__tests__/parse.spec.ts
@@ -425,5 +425,15 @@ h1 { color: red }
         `At least one <template> or <script> is required in a single file component`,
       )
     })
+
+    test('should throw error if template functional is given', () => {
+      assertWarning(
+        parse(`<template functional></template>`).errors,
+        `<template functional> is no longer supported in Vue 3, since ` +
+          `functional components no longer have significant performance ` +
+          `difference from stateful ones. Just use a normal <template> ` +
+          `instead.`,
+      )
+    })
   })
 })