From 37f6413db894a93ee7aa43ceafe771a8c13e9222 Mon Sep 17 00:00:00 2001
From: Koichi Shiraishi <zchee.io@gmail.com>
Date: Wed, 19 Jan 2022 06:58:53 +0900
Subject: [PATCH] nvim: add UserCommand testcase

Signed-off-by: Koichi Shiraishi <zchee.io@gmail.com>
---
 nvim/types_test.go | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/nvim/types_test.go b/nvim/types_test.go
index 9e4e35f1..0725cbf7 100644
--- a/nvim/types_test.go
+++ b/nvim/types_test.go
@@ -1,6 +1,7 @@
 package nvim
 
 import (
+	"reflect"
 	"testing"
 )
 
@@ -54,3 +55,33 @@ func TestLogLevel_String(t *testing.T) {
 		})
 	}
 }
+
+func TestUserCommand(t *testing.T) {
+	t.Parallel()
+
+	uc := reflect.TypeOf((*UserCommand)(nil)).Elem()
+
+	tests := map[string]struct {
+		u UserCommand
+	}{
+		"UserVimCommand": {
+			u: UserVimCommand(""),
+		},
+		"UserLuaCommand": {
+			u: UserLuaCommand{},
+		},
+	}
+	for name, tt := range tests {
+		tt := tt
+		t.Run(name, func(t *testing.T) {
+			t.Parallel()
+
+			v := reflect.TypeOf(tt.u)
+			if !v.Implements(uc) {
+				t.Fatalf("%s type not implements %q interface", v.Name(), "UserCommand")
+			}
+
+			tt.u.command()
+		})
+	}
+}