test(runtime-vapor): add tests for template parsing behavior

Author: cyyynthia

packages/runtime-vapor/__tests__/dom/template.spec.ts

@@ -40,4 +40,22 @@ describe('api: template', () => {
     expect(nthChild(root, 2)).toBe(root.childNodes[2])
     expect(next(b)).toBe(root.childNodes[2])
   })
+
+  describe('tag closure omission', () => {
+    test('final close tags', () => {
+      const t = template('<div><span>')
+      const root = t() as HTMLElement
+      const html = root.outerHTML
+
+      expect(html).toBe('<div><span></span></div>')
+    })
+
+    test('wrapped non-formatting tag closure', () => {
+      const t = template('<div><div><span></div><div>')
+      const root = t() as HTMLElement
+      const html = root.outerHTML
+
+      expect(html).toBe('<div><div><span></span></div><div></div></div>')
+    })
+  })
 })