public TokenizedWriterTests()
        {
            var s = StringTokenProviderEx.Sequential();

            s.Add(StringTokenEx.String("test", "1"));
            s.Add(StringTokenEx.DateTime("dt", _dt));
            _provider = s;
        }
        public void DateTimeOk()
        {
            var dt = DateTime.Now.AddDays(-1);
            var t  = StringTokenEx.DateTime("test", dt);

            Assert.Equal("test", t.Name);
            Assert.Equal(dt.ToString(CultureInfo.CurrentCulture), t.ToString(null));
            Assert.Equal(dt.ToString("t"), t.ToString("t"));
            Assert.Equal(dt.ToString("G"), t.ToString("G"));
            Assert.Equal(dt.ToString("d"), t.ToString("d"));
        }