public void InvariantBreaksOnOutOfRangeHour(int hour)
{
var stopwatch = new Stopwatch();
stopwatch.Invariant.Should().BeTrue();
stopwatch.AddHours(hour);
stopwatch.Invariant.Should().BeFalse();
}
public void AddHourAddsHour(int hour)
{
var stopwatch = new Stopwatch();
stopwatch.Hour.Should().Be(0);
stopwatch.Minute.Should().Be(0);
stopwatch.Second.Should().Be(0);
stopwatch.Invariant.Should().BeTrue();
stopwatch.AddHours(hour);
stopwatch.Invariant.Should().BeTrue();
stopwatch.Hour.Should().Be(hour);
stopwatch.Minute.Should().Be(0);
stopwatch.Second.Should().Be(0);
}