public void CompareToTest()
{
var my1 = new MonthYear(1, 2000);
var my2 = new MonthYear(2, 2000);
var actual = my1.CompareTo(my2);
Assert.Less(actual, 0);
my1 = new MonthYear(1, 2000);
my2 = new MonthYear(1, 2001);
actual = my1.CompareTo(my2);
Assert.Less(actual, 0);
my1 = new MonthYear(1, 2000);
my2 = new MonthYear(1, 2000);
actual = my1.CompareTo(my2);
Assert.AreEqual(actual, 0);
my1 = new MonthYear(3, 2000);
my2 = new MonthYear(2, 2000);
actual = my1.CompareTo(my2);
Assert.Greater(actual, 0);
my1 = new MonthYear(1, 2002);
my2 = new MonthYear(1, 2001);
actual = my1.CompareTo(my2);
Assert.Greater(actual, 0);
}
public void Should_Throw_Exception_Give_Unknown_Type_To_Compare()
{
MonthYear monthYear = MonthYear.Now;
string datetime = MonthYear.Now.ToString();
Assert.Throws <ArgumentException>(() => monthYear.CompareTo(datetime));
}
public void Should_MonthYear_Comparable_Lesser()
{
MonthYear monthYear = new MonthYear(2021, 2);
MonthYear monthYearTwo = new MonthYear(2021, 3);
bool assertion = monthYear.CompareTo(monthYearTwo) == -1;
Assert.True(assertion);
}
public void Should_MonthYear_Comparable_To_DateTime_Lesser()
{
MonthYear monthYear = new MonthYear(2021, 2);
DateTime dateTime = new DateTime(2021, 3, 1);
bool assertion = monthYear.CompareTo(dateTime) == -1;
Assert.True(assertion);
}
public void Should_MonthYear_Comparable_To_DateTime_Equals()
{
DateTime dateTime = DateTime.Now;
MonthYear monthYear = new MonthYear(dateTime.Year, dateTime.Month);
bool assertion = monthYear.CompareTo(dateTime) == 0;
Assert.True(assertion);
}
public void DateComparisonTests()
{
var my1 = new MonthYear(12, 1999);
var my2 = new MonthYear(1, 2000);
var dt1 = new DateTime(1999, 12, 1);
var dt2 = new DateTime(2000, 1, 1);
var dt3 = new DateTime(2000, 2, 1);
MonthYear my3 = dt3;
Assert.True(my1.Equals(dt1));
Assert.False(my1.Equals(dt2));
Assert.True(my1.CompareTo(dt1) == 0);
Assert.True(my2.CompareTo(dt1) > 0);
Assert.True(my1.Equals(dt1));
Assert.True(my1.Equals((object)my1));
Assert.True(my1.Equals(dt1));
Assert.False(my1.Equals(dt2));
my1++;
Assert.True(my1.Equals(dt2));
Assert.False(my1.Equals(dt1));
my1--;
Assert.False(my1.Equals(dt2));
Assert.True(my1.Equals(dt1));
}