From 8bab78b648b2db2404a0cffecc268eace507a63b Mon Sep 17 00:00:00 2001
From: XinPing Wang <xinping.wang@hotmail.com>
Date: Sun, 3 May 2020 22:49:23 +0800
Subject: [PATCH] test: reactive proto

---
 packages/reactivity/__tests__/reactive.spec.ts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/packages/reactivity/__tests__/reactive.spec.ts b/packages/reactivity/__tests__/reactive.spec.ts
index eb730ff3..44fc5391 100644
--- a/packages/reactivity/__tests__/reactive.spec.ts
+++ b/packages/reactivity/__tests__/reactive.spec.ts
@@ -26,6 +26,20 @@ describe('reactivity/reactive', () => {
     expect(Object.keys(observed)).toEqual(['foo'])
   })
 
+  test('proto', () => {
+    const obj = {}
+    const reactiveObj = reactive(obj)
+    expect(isReactive(reactiveObj)).toBe(true)
+    // read prop of reactiveObject will cause reactiveObj[prop] to be reactive
+    // @ts-ignore
+    const prototype = reactiveObj['__proto__']
+    const otherObj = { data: ['a'] }
+    expect(isReactive(otherObj)).toBe(false)
+    const reactiveOther = reactive(otherObj)
+    expect(isReactive(reactiveOther)).toBe(true)
+    expect(reactiveOther.data[0]).toBe('a')
+  })
+
   test('nested reactives', () => {
     const original = {
       nested: {