public void NoonIsInTheRightFormat()
{
var clock = new ClockIn12H(12, 0, 0);
clock.Invariant.Should().BeTrue();
clock.Hour.Should().Be(12);
clock.Minute.Should().Be(0);
clock.Second.Should().Be(0);
clock.DayPeriod.Should().Be(DayPeriod.PM);
}
public void AddMinutesTurnsMorningToAfternoon()
{
var clock = new ClockIn12H(9, 0, 0);
clock.Invariant.Should().BeTrue();
clock.Hour.Should().Be(9);
clock.Minute.Should().Be(0);
clock.Second.Should().Be(0);
clock.DayPeriod.Should().Be(DayPeriod.AM);
clock.AddMinutes(600);
clock.Invariant.Should().BeTrue();
clock.Hour.Should().Be(7);
clock.Minute.Should().Be(0);
clock.Second.Should().Be(0);
clock.DayPeriod.Should().Be(DayPeriod.PM);
}
public void AddHoursTurnsAfternoonToMorning()
{
var clock = new ClockIn12H(14, 0, 0);
clock.Invariant.Should().BeTrue();
clock.Hour.Should().Be(2);
clock.Minute.Should().Be(0);
clock.Second.Should().Be(0);
clock.DayPeriod.Should().Be(DayPeriod.PM);
clock.AddHours(-4);
clock.Invariant.Should().BeTrue();
clock.Hour.Should().Be(10);
clock.Minute.Should().Be(0);
clock.Second.Should().Be(0);
clock.DayPeriod.Should().Be(DayPeriod.AM);
}
public void AddSecondsTurnsMorningToAfternoon()
{
var clock = new ClockIn12H(9, 30, 0);
clock.Invariant.Should().BeTrue();
clock.Hour.Should().Be(9);
clock.Minute.Should().Be(30);
clock.Second.Should().Be(0);
clock.DayPeriod.Should().Be(DayPeriod.AM);
clock.AddSeconds(12345);
clock.Invariant.Should().BeTrue();
clock.Hour.Should().Be(12);
clock.Minute.Should().Be(55);
clock.Second.Should().Be(45);
clock.DayPeriod.Should().Be(DayPeriod.PM);
}
public void InvariantIsTrueOnEmptyCtor()
{
var clock = new ClockIn12H();
clock.Invariant.Should().BeTrue();
}