public void ToString_FormatStringNull_ReturnsIso8601Format()
{
var quarterHour = new QuarterHour(2020, 1, 20, 9, 30);
string formatted = quarterHour.ToString((string)null);
Assert.AreEqual("2020-01-20 09:30", formatted);
}
public void ToString_CustomFormatString_AsExpected()
{
var quarterHour = new QuarterHour(2020, 1, 20, 9, 30);
string formatted = quarterHour.ToString("yyyy M d");
Assert.AreEqual("2020 1 20", formatted);
}
public void ToString_NullFormatStringAndFormatProvider_AsExpected()
{
var quarterHour = new QuarterHour(2020, 1, 20, 9, 0);
CultureInfo culture = CultureInfo.CreateSpecificCulture("en-UK");
DateTimeFormatInfo dateTimeFormat = culture.DateTimeFormat;
dateTimeFormat.TimeSeparator = ".";
string formatted = quarterHour.ToString(null, dateTimeFormat);
Assert.AreEqual("2020-01-20 09.00", formatted);
}
public void ToString_FormatProviderWithDotTimeSeparator_TextWithDotTimeSeparator()
{
var quarterHour = new QuarterHour(2020, 1, 20, 9, 0);
CultureInfo culture = CultureInfo.CreateSpecificCulture("en-UK");
DateTimeFormatInfo dateTimeFormat = culture.DateTimeFormat;
dateTimeFormat.TimeSeparator = ".";
string formatted = quarterHour.ToString(dateTimeFormat);
Assert.AreEqual("2020-01-20 09.00", formatted);
}