| 10 | } |
| 11 | |
| 12 | func TestAddToStack(t *testing.T) { |
| 13 | stack := NewStack(1) |
| 14 | |
| 15 | item1 := stack.Push(1) |
| 16 | item2 := stack.Push(2) |
| 17 | item3 := stack.Push(3) |
| 18 | item4 := stack.Push(4) |
| 19 | |
| 20 | stack.Touch(item1) |
| 21 | stack.Touch(item3) |
| 22 | |
| 23 | stack.Purge(item2) |
| 24 | stack.Purge(item4) |
| 25 | |
| 26 | v := stack.Pop() |
| 27 | if 4 != v { |
| 28 | t.Fatalf("Expected 4 got %v", v) |
| 29 | } |
| 30 | |
| 31 | v = stack.Pop() |
| 32 | if 2 != v { |
| 33 | t.Fatalf("Expected 2 got %v", v) |
| 34 | } |
| 35 | |
| 36 | v = stack.Pop() |
| 37 | if 1 != v { |
| 38 | t.Fatalf("Expected 1 got %v", v) |
| 39 | } |
| 40 | |
| 41 | v = stack.Pop() |
| 42 | if 3 != v { |
| 43 | t.Fatalf("Expected 3 got %v", v) |
| 44 | } |
| 45 | |
| 46 | v = stack.Pop() |
| 47 | if -1 != v { |
| 48 | t.Fatalf("Expected -1 got %v", v) |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | func TestLen(t *testing.T) { |
| 53 | stack := NewStack(1) |