public void FailParseInvalidInputs(string input)
{
// action
var tryParseResult = Rfc3339TimestampParser.TryParseTimestampFromString(input, out _);
// assert
Assert.False(tryParseResult);
}
public void ParseValidInputs(string input, DateTimeOffset expectedOutput)
{
// action
var tryParseResult = Rfc3339TimestampParser.TryParseTimestampFromString(input, out var actualOutput);
// assert
Assert.True(tryParseResult);
Assert.Equal(expectedOutput, actualOutput);
}
public static bool TryParseTimestampFromString(string timestampString, out DateTimeOffset parsedTimestamp)
{
parsedTimestamp = default;
if (string.IsNullOrWhiteSpace(timestampString))
{
return(false);
}
timestampString = timestampString.Trim();
if (Rfc3339TimestampParser.TryParseTimestampFromString(timestampString, out parsedTimestamp))
{
return(true);
}
if (Rfc822TimestampParser.TryParseTimestampFromString(timestampString, out parsedTimestamp))
{
return(true);
}
// try other formats
timestampString = timestampString.ToUpperInvariant();
if (DateTimeOffset.TryParseExact(timestampString, OtherFormatsWithoutOffset, CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal, out parsedTimestamp))
{
return(true);
}
if (DateTimeOffset.TryParseExact(timestampString, OtherFormatsWithOffset, CultureInfo.InvariantCulture, DateTimeStyles.None, out parsedTimestamp))
{
return(true);
}
// try default parsing
if (DateTimeOffset.TryParse(timestampString, CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal, out parsedTimestamp))
{
return(true);
}
return(false);
}
