public void Year_not_divisible_by_4_in_common_year()
 {
     Assert.False(RepresenterExercise.IsLeapYear(2015));
 }
 public void Year_divisible_by_200_not_divisible_by_400_in_common_year()
 {
     Assert.False(RepresenterExercise.IsLeapYear(1800));
 }
 public void Year_divisible_by_400_but_not_by_125_is_still_a_leap_year()
 {
     Assert.True(RepresenterExercise.IsLeapYear(2400));
 }
 public void Year_divisible_by_400_in_leap_year()
 {
     Assert.True(RepresenterExercise.IsLeapYear(2000));
 }
 public void Year_divisible_by_100_but_not_by_3_is_still_not_a_leap_year()
 {
     Assert.False(RepresenterExercise.IsLeapYear(1900));
 }
 public void Year_divisible_by_4_and_5_is_still_a_leap_year()
 {
     Assert.True(RepresenterExercise.IsLeapYear(1960));
 }
 public void Year_divisible_by_4_not_divisible_by_100_in_leap_year()
 {
     Assert.True(RepresenterExercise.IsLeapYear(1996));
 }