stack_test.gno

 1package stack
 2
 3import "testing"
 4
 5func TestStack(t *testing.T) {
 6	s := New() // Empty stack
 7
 8	if s.Len() != 0 {
 9		t.Errorf("s.Len(): expected 0; got %d", s.Len())
10	}
11
12	s.Push(1)
13
14	if s.Len() != 1 {
15		t.Errorf("s.Len(): expected 1; got %d", s.Len())
16	}
17
18	if top := s.Top(); top.(int) != 1 {
19		t.Errorf("s.Top(): expected 1; got %v", top.(int))
20	}
21
22	if elem := s.Pop(); elem.(int) != 1 {
23		t.Errorf("s.Pop(): expected 1; got %v", elem.(int))
24	}
25	if s.Len() != 0 {
26		t.Errorf("s.Len(): expected 0; got %d", s.Len())
27	}
28}