func TestIntersectionWith(t *testing.T) {
// Edge cases: the pairs (1,1), (1000,2000), (8000,4000)
// exercise the <, >, == cases in IntersectionWith that the
// TestSetOperations data is too dense to cover.
var X, Y intsets.Sparse
X.Insert(1)
X.Insert(1000)
X.Insert(8000)
Y.Insert(1)
Y.Insert(2000)
Y.Insert(4000)
X.IntersectionWith(&Y)
if got, want := X.String(), "{1}"; got != want {
t.Errorf("IntersectionWith: got %s, want %s", got, want)
}
}
func TestBasics(t *testing.T) {
var s intsets.Sparse
if len := s.Len(); len != 0 {
t.Errorf("Len({}): got %d, want 0", len)
}
if s := s.String(); s != "{}" {
t.Errorf("String({}): got %q, want \"{}\"", s)
}
if s := s.BitString(); s != "0" {
t.Errorf("BitString({}): got %q, want \"0\"", s)
}
if s.Has(3) {
t.Errorf("Has(3): got true, want false")
}
if err := s.Check(); err != nil {
t.Error(err)
}
if !s.Insert(3) {
t.Errorf("Insert(3): got false, want true")
}
if max := s.Max(); max != 3 {
t.Errorf("Max: got %d, want 3", max)
}
if !s.Insert(435) {
t.Errorf("Insert(435): got false, want true")
}
if s := s.String(); s != "{3, 435}" {
t.Errorf("String({3, 435}): got %q, want \"{3, 435}\"", s)
}
if max := s.Max(); max != 435 {
t.Errorf("Max: got %d, want 435", max)
}
if len := s.Len(); len != 2 {
t.Errorf("Len: got %d, want 2", len)
}
if !s.Remove(435) {
t.Errorf("Remove(435): got false, want true")
}
if s := s.String(); s != "{3}" {
t.Errorf("String({3}): got %q, want \"{3}\"", s)
}
}