diff --git a/src/components/common/__tests__/VnInputDate.spec.js b/src/components/common/__tests__/VnInputDate.spec.js
index 3cb037c63..4ffb2a44e 100644
--- a/src/components/common/__tests__/VnInputDate.spec.js
+++ b/src/components/common/__tests__/VnInputDate.spec.js
@@ -59,6 +59,15 @@ describe('VnInputDate', () => {
             await vm.formatDate();
             expect(vm.model).toBe('2001-03-11T23:00:00.000Z');
         });
+
+        it('should add errColor when invalid date is entered', async () => {
+            const input = wrapper.find('input');
+            await input.setValue('31.13-23');
+            await vm.$nextTick();
+            await vm.formatDate();
+            const inputStyle = input.attributes('input-style');
+            expect(inputStyle).not.toBe('');
+        });
     });
 
     describe('styleAttrs', () => {