public void T2_lines_can_be_found_by_name()
{
ICity c = CityFactory.CreateCity("Paris");
ILine l1 = c.AddLine("1");
c.FindLine("1").Should().BeSameAs(l1);
c.FindLine("2").Should().BeNull();
ILine l2 = c.AddLine("2");
c.FindLine("1").Should().BeSameAs(l1);
c.FindLine("2").Should().BeSameAs(l2);
c.FindLine("3").Should().BeNull();
ILine l3 = c.AddLine("3");
ILine l4 = c.AddLine("4");
ILine l5 = c.AddLine("5");
c.FindLine("1").Should().BeSameAs(l1);
c.FindLine("2").Should().BeSameAs(l2);
c.FindLine("3").Should().BeSameAs(l3);
c.FindLine("4").Should().BeSameAs(l4);
c.FindLine("5").Should().BeSameAs(l5);
var randomNames = Enumerable.Range(0, 20)
.Select(i => String.Format("n°{0} - {1}", i, Guid.NewGuid().ToString()))
.ToArray();
var lines = randomNames.Select(n => c.AddLine(n)).ToArray();
lines.Should().BeEquivalentTo(randomNames.Select(n => c.FindLine(n)));
}