From: chenfan <83797583+chenfan0@users.noreply.github.com>
Date: Thu, 6 Jun 2024 09:41:15 +0000 (+0800)
Subject: test(reactivity): should not observe well-known symbol keyed properties in has operat... 
X-Git-Tag: v3.4.28~30
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=71c2c0af74090639d112b2f74e10baad232983e2;p=thirdparty%2Fvuejs%2Fcore.git

test(reactivity): should not observe well-known symbol keyed properties in has operation (#9174)
---

diff --git a/packages/reactivity/__tests__/effect.spec.ts b/packages/reactivity/__tests__/effect.spec.ts
index bd26934f1c..422852fd5e 100644
--- a/packages/reactivity/__tests__/effect.spec.ts
+++ b/packages/reactivity/__tests__/effect.spec.ts
@@ -252,6 +252,22 @@ describe('reactivity/effect', () => {
     expect(dummy).toBe(undefined)
   })
 
+  it('should not observe well-known symbol keyed properties in has operation', () => {
+    const key = Symbol.isConcatSpreadable
+    const obj = reactive({
+      [key]: true,
+    }) as any
+
+    const spy = vi.fn(() => {
+      key in obj
+    })
+    effect(spy)
+    expect(spy).toHaveBeenCalledTimes(1)
+
+    obj[key] = false
+    expect(spy).toHaveBeenCalledTimes(1)
+  })
+
   it('should support manipulating an array while observing symbol keyed properties', () => {
     const key = Symbol()
     let dummy