public void Eras_Get_ReturnsAtLeastFour()
{
int[] eras = Calendar.Eras;
Assert.True(eras.Length >= 4);
// eras should be [ noOfEras, noOfEras - 1, ..., 1 ]
Assert.Equal(eras.Length, eras[0]);
for (int i = 0; i < eras.Length; i++)
{
Assert.Equal(eras.Length - i, eras[i]);
}
}
}