### Question:
Leap { boolean isLeapYear(int year) { throw new UnsupportedOperationException("Delete this statement and write your own implementation."); }    }### Answer:
@Test public void testYearNotDivBy4InCommonYear() { assertFalse(leap.isLeapYear(2015)); }
@Ignore("Remove to run test") @Test public void testYearDivBy2NotDivBy4InCommonYear() { assertFalse(leap.isLeapYear(1970)); }
@Ignore("Remove to run test") @Test public void testYearDivBy4NotDivBy100InLeapYear() { assertTrue(leap.isLeapYear(1996)); }
@Ignore("Remove to run test") @Test public void testYearDivBy4And5InLeapYear() { assertTrue(leap.isLeapYear(1960)); }
@Ignore("Remove to run test") @Test public void testYearDivBy100NotDivBy400InCommonYear() { assertFalse(leap.isLeapYear(2100)); }
@Ignore("Remove to run test") @Test public void testYearDivBy100NotDivBy3IsNotLeapYear() { assertFalse(leap.isLeapYear(1900)); }
@Ignore("Remove to run test") @Test public void testYearDivBy400InLeapYear() { assertTrue(leap.isLeapYear(2000)); }
@Ignore("Remove to run test") @Test public void testYearDivBy400NotDivBy125IsLeapYear() { assertTrue(leap.isLeapYear(2400)); }
@Ignore("Remove to run test") @Test public void testYearDivBy200NotDivBy400InCommonYear() { assertFalse(leap.isLeapYear(1800)); }