public void PopOnSmallReturnsOneLess()
{
Range r = new Range(2, 20);
PersistentVector v = PersistentVector.create(r);
IPersistentStack s = v.pop();
Expect(v.count(),EqualTo(r.count()));
Expect(s.count(),EqualTo(v.count()-1));
}
public void PopOnBigWorks()
{
Range r = new Range(0, 100000);
PersistentVector v = PersistentVector.create(r);
IPersistentStack s = v;
for (int i = 16; i < 100000; i++)
s = s.pop();
Expect(v.count(), EqualTo(r.count()));
Expect(s.count(), EqualTo(16));
}
public void CreateOnISeqReturnsCorrectCount()
{
Range r = new Range(2,5);
PersistentVector v = PersistentVector.create(r);
Expect(v.count(),EqualTo(r.count()));
}
public void CreateOnISeqWithManyManyItemsWorks()
{
// Want to bust out of the first tail, so need to insert more than 32 elements.
// Let's get out of the second level, too.
Range r = new Range(2, 100000);
PersistentVector v = PersistentVector.create(r);
Expect(v.count(), EqualTo(r.count()));
for (int i = 0; i < v.count(); ++i)
Expect(v.nth(i), EqualTo(i + 2));
}
public void Range_has_correct_count()
{
Range r = new Range(2, 20);
Expect(r.count(), EqualTo(18));
}