From 57276f9dcb25d4702eda982ac14611e17a2904cb Mon Sep 17 00:00:00 2001
From: =?utf8?q?=E5=A4=9C=E5=AE=B4?= <1996yeyan@gmail.com>
Date: Fri, 25 Oct 2019 09:17:31 -0500
Subject: [PATCH] test(effect): add test for json methods (#371)

---
 packages/reactivity/__tests__/effect.spec.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/packages/reactivity/__tests__/effect.spec.ts b/packages/reactivity/__tests__/effect.spec.ts
index 9ddd8e059f..ec66c2b2c2 100644
--- a/packages/reactivity/__tests__/effect.spec.ts
+++ b/packages/reactivity/__tests__/effect.spec.ts
@@ -515,6 +515,16 @@ describe('reactivity/effect', () => {
     expect(childSpy).toHaveBeenCalledTimes(5)
   })
 
+  it('should observe json methods', () => {
+    let dummy = <Record<string, number>>{}
+    const obj = reactive<Record<string, number>>({})
+    effect(() => {
+      dummy = JSON.parse(JSON.stringify(obj))
+    })
+    obj.a = 1
+    expect(dummy.a).toBe(1)
+  })
+
   it('should observe class method invocations', () => {
     class Model {
       count: number
-- 
2.47.3