public void DigitChecking(DateTime dt)
{
Span <char> outputChars = stackalloc char[50];
Assert.True(DateTimeFormatter.TryFormat(dt, outputChars, out var written));
Assert.True(DateTimeParser.TryParseDateTime(outputChars, out var outputDt, out var consumed));
Assert.Equal(dt, outputDt);
Assert.Equal(written, consumed);
Span <byte> outputBytes = stackalloc byte[50];
Assert.True(DateTimeFormatter.TryFormat(dt, outputBytes, out written));
Assert.True(DateTimeParser.TryParseDateTime(outputBytes, out outputDt, out consumed));
Assert.Equal(dt, outputDt);
Assert.Equal(written, consumed);
var dto = new DateTimeOffset(dt);
Assert.True(DateTimeFormatter.TryFormat(dto, outputChars, out written));
Assert.True(DateTimeParser.TryParseDateTime(outputChars, out var outputdto, out consumed));
Assert.Equal(dto, outputdto);
Assert.Equal(written, consumed);
Assert.True(DateTimeFormatter.TryFormat(dto, outputBytes, out written));
Assert.True(DateTimeParser.TryParseDateTime(outputBytes, out outputdto, out consumed));
Assert.Equal(dto, outputdto);
Assert.Equal(written, consumed);
}
public void FormatDateTime(string comparison, int year, int month, int day, int hour, int minute,
int second, int fraction, DateTimeKind kind)
{
var value = new DateTime(year, month, day, hour, minute, second, kind).AddTicks(fraction);
Span <char> charSpan = stackalloc char[35];
Assert.True(DateTimeFormatter.TryFormat(value, charSpan, out var symbolsWritten));
Assert.Equal(comparison, charSpan.Slice(0, symbolsWritten).ToString());
Span <byte> byteSpan = stackalloc byte[35];
Assert.True(DateTimeFormatter.TryFormat(value, byteSpan, out symbolsWritten));
Assert.Equal(comparison, Encoding.UTF8.GetString(byteSpan.Slice(0, symbolsWritten)));
}
public void LocalTime()
{
var value = DateTime.Now;
value = value.AddTicks(-(value.Ticks % TimeSpan.TicksPerSecond));
var offset = TimeZoneInfo.Local.GetUtcOffset(value);
var output = value.ToString("yyyy-MM-ddTHH:mm:ss");
var sign = offset.Hours < 0 ? '-' : '+';
output = output + sign + $"{offset.Hours:D2}:{offset.Minutes:D2}";
Span <char> charSpan = stackalloc char[35];
Assert.True(DateTimeFormatter.TryFormat(value, charSpan, out var symbolsWritten));
Assert.Equal(output, charSpan.Slice(0, symbolsWritten).ToString());
Span <byte> byteSpan = stackalloc byte[35];
Assert.True(DateTimeFormatter.TryFormat(value, byteSpan, out symbolsWritten));
Assert.Equal(output, Encoding.UTF8.GetString(byteSpan.Slice(0, symbolsWritten)));
}
