add test case for #1084

examples/routers/input-number.vue

@@ -4,6 +4,7 @@
         {{ v1 }}
         <div @click="c">change v1</div>
         <Input-number disabled :max="10" :min="1" :step="1.2" v-model="v2"></Input-number>
+        <Input-number :max="10" :min="1" v-model="obj.v"></Input-number>
     </div>
 </template>
 <script>
@@ -13,7 +14,10 @@
             return {
                 v1: 1,
                 v2: 1,
-                autofocus: true
+                autofocus: true,
+                obj: {
+
+                }
             };
         },
         computed: {},