public void RiverDeleteCountryOnly1CountryThrowsException()
{
Continent continent = new Continent("Azië");
Country country = new Country("vietnam", 95540000, 331212f, continent);
River river = new River("Mekong", 4.350, country);
Action act = () => river.DeleteCountry(country);
act.Should().Throw <ArgumentException>().WithMessage("Mekong needs to be in at least 1 country.");
}
public void RiverDeleteCountryAlreadyRemovedThrowsException()
{
Continent continent = new Continent("Azië");
Country country = new Country("vietnam", 95540000, 331212f, continent);
Country country2 = new Country("japan", 126500000, 377930f, continent);
Country country3 = new Country("thailand", 69430000, 513120f, continent);
River river = new River("Mekong", 4.350, country);
river.AddCountry(country2);
Action act = () => river.DeleteCountry(country3);
act.Should().Throw <Exception>().WithMessage("country: thailand was already removed.");
}
public void RiveDeleteCountryNormal()
{
Continent continent = new Continent("Azië");
Country country = new Country("vietnam", 95540000, 331212f, continent);
Country country2 = new Country("japan", 126500000, 377930f, continent);
Country country3 = new Country("thailand", 69430000, 513120f, continent);
River river = new River("Mekong", 4.350, country);
river.AddCountry(country2);
river.AddCountry(country3);
Action act = () => river.DeleteCountry(country3);
act.Should().NotThrow();
}
