public void EmptyHasNoElements()
{
PersistentList p = new PersistentList("abc");
IPersistentCollection c = p.empty();
Expect(c.count(), EqualTo(0));
}
public void EmptyReturnsEmptyCollection()
{
PersistentVector v = PersistentVector.create(1, 2, 3);
IPersistentCollection e = v.empty();
Expect(e.count(), EqualTo(0));
}
public void EmptyReturnsEmpty()
{
Dictionary <int, string> d = new Dictionary <int, string>();
d[1] = "a";
d[2] = "b";
IPersistentMap m = PersistentArrayMap.create(d);
IPersistentCollection c = m.empty();
Expect(c.count(), EqualTo(0));
Expect(c.seq(), Null);
}
public void Explicit_IPersistentCollection_cons_works()
{
CPV v = new CPV(new object[] { 1, 2 });
IPersistentCollection c = v as IPersistentCollection;
Expect(c, Not.Null);
IPersistentCollection c2 = c.cons(3);
Expect(c2.count(), EqualTo(3));
ISeq s2 = c2.seq();
Expect(s2.first(), EqualTo(1));
Expect(s2.next().first(), EqualTo(2));
Expect(s2.next().next().first(), EqualTo(3));
Expect(s2.next().next().next(), Null);
}
public void Explicit_IPersistentCollection_cons_works()
{
CPV v = new CPV(new object[] { 1, 2 });
IPersistentCollection c = v as IPersistentCollection;
Expect(c).Not.To.Be.Null();
IPersistentCollection c2 = c.cons(3);
Expect(c2.count()).To.Equal(3);
ISeq s2 = c2.seq();
Expect(s2.first()).To.Equal(1);
Expect(s2.next().first()).To.Equal(2);
Expect(s2.next().next().first()).To.Equal(3);
Expect(s2.next().next().next()).To.Be.Null();
}