public void TestCheckIfIsSundayReturnsFalseOnANonSundayDate()
{
//3rd February 2017 was on Friday
StringDate date = new StringDate(3, 2, 2017);
Assert.IsFalse(date.isSunday());
}
public void TestCheckIfIsSundayReturnsTrueOnASundayDate()
{
//12nd February 2017 was on Sunday
StringDate date = new StringDate(12, 2, 2017);
Assert.IsTrue(date.isSunday());
}