//test insert true
        public void TestNhaCungCap_Insert()
        {
            _nccxl = new NhaCungCapXuLy();
            bool actual;

            try
            {
                NhaCungCap ncc = new NhaCungCap();
                ncc.MaNhaCc   = "NCC10";
                ncc.TenNhaCc  = "Test";
                ncc.DiaChi    = "Test";
                ncc.DienThoai = "012331456";
                ncc.Email     = "Test";
                _nccxl.NhaCungCap_Insert(ncc);
                actual = true;
            }
            catch (Exception)
            {
                actual = false;
            }
            Assert.AreEqual(true, actual);
            NhaCungCap ncc1 = new NhaCungCap();

            ncc1.MaNhaCc = "NCC10";
            _nccxl.NhaCungCap_Delete(ncc1);
        }
        //test select
        public void TestNhaCungCap_SelectAll()
        {
            _nccxl = new NhaCungCapXuLy();
            DataTable dt     = _nccxl.NhaCungCap_SelectAll();
            int       actual = 0;

            if (dt.Rows.Count != 0)
            {
                actual = 1;
            }
            Assert.AreEqual(1, actual);
        }
        //test checkid true
        public void TestNhaCungCap_CheckId()
        {
            _nccxl = new NhaCungCapXuLy();
            string item   = "NCC1";
            bool   check  = _nccxl.CheckId(item);
            int    actual = 0;

            if (check)
            {
                actual = 1;
            }
            Assert.AreEqual(1, actual);
        }
        //test Find true
        public void TestNhaCungCap_FindItem()
        {
            _nccxl = new NhaCungCapXuLy();
            string    item   = "C";
            DataTable dt     = _nccxl.FindItem(item);
            int       actual = 0;

            if (dt.Rows.Count != 0)
            {
                actual = 1;
            }
            Assert.AreEqual(1, actual);
        }
        //test delete
        public void TestNhaCungCap_Delete()
        {
            _nccxl = new NhaCungCapXuLy();
            bool actual;

            try
            {
                NhaCungCap ncc = new NhaCungCap();
                ncc.MaNhaCc = "NCC10";
                _nccxl.NhaCungCap_Delete(ncc);
                actual = true;
            }
            catch (Exception)
            {
                actual = false;
            }
            Assert.AreEqual(true, actual);
        }