From 0cddde6aa432ada86a81e980ff06365b27d1b176 Mon Sep 17 00:00:00 2001
From: edison <daiwei521@126.com>
Date: Tue, 15 Sep 2020 09:48:38 +0800
Subject: [PATCH] test(runtime-core): test app API warnings (#2079)

---
 packages/runtime-core/__tests__/apiCreateApp.spec.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/packages/runtime-core/__tests__/apiCreateApp.spec.ts b/packages/runtime-core/__tests__/apiCreateApp.spec.ts
index c3be3476..47e0eb6f 100644
--- a/packages/runtime-core/__tests__/apiCreateApp.spec.ts
+++ b/packages/runtime-core/__tests__/apiCreateApp.spec.ts
@@ -58,6 +58,11 @@ describe('api: createApp', () => {
 
     const root = nodeOps.createElement('div')
     const app = createApp(Comp)
+
+    // warning
+    app.unmount(root)
+    expect(`that is not mounted`).toHaveBeenWarned()
+
     app.mount(root)
 
     app.unmount(root)
@@ -92,6 +97,11 @@ describe('api: createApp', () => {
     app.mount(root)
     expect(serializeInner(root)).toBe(`3,2`)
     expect('[Vue warn]: injection "__proto__" not found.').toHaveBeenWarned()
+
+    const app2 = createApp(Root)
+    app2.provide('bar', 1)
+    app2.provide('bar', 2)
+    expect(`App already provides property with key "bar".`).toHaveBeenWarned()
   })
 
   test('component', () => {