75 lines
1.2 KiB
Go
75 lines
1.2 KiB
Go
package pointer
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestClear(t *testing.T) {
|
|
s := NewStack()
|
|
s.Clear()
|
|
require.Equal(t, 0, s.height)
|
|
}
|
|
|
|
func TestDupicate(t *testing.T) {
|
|
expected := NewStack()
|
|
expected.height = 2
|
|
s := NewStack()
|
|
s.Duplicate()
|
|
require.Equal(t, expected.height, s.height)
|
|
s.Push(12)
|
|
s.Duplicate()
|
|
expected.Push(12)
|
|
expected.Push(12)
|
|
require.Equal(t, expected.height, s.height)
|
|
require.Equal(t, expected.data, s.data)
|
|
}
|
|
|
|
func TestPop(t *testing.T) {
|
|
s := NewStack()
|
|
v := s.Pop()
|
|
require.Equal(t, 0, v)
|
|
s.Push(12)
|
|
s.Push(14)
|
|
v = s.Pop()
|
|
require.Equal(t, 14, v)
|
|
v = s.Pop()
|
|
require.Equal(t, 12, v)
|
|
v = s.Pop()
|
|
require.Equal(t, 0, v)
|
|
}
|
|
|
|
func TestPush(t *testing.T) {
|
|
s := NewStack()
|
|
for i := 0; i < 32; i++ {
|
|
s.Push(i)
|
|
}
|
|
require.Equal(t, 32, s.size)
|
|
s.Push(-1)
|
|
require.Equal(t, 64, s.size)
|
|
}
|
|
|
|
func TestSwap(t *testing.T) {
|
|
s := NewStack()
|
|
s2 := NewStack()
|
|
s.Swap()
|
|
s2.Push(0)
|
|
s2.Push(0)
|
|
require.Equal(t, s2, s)
|
|
s.Clear()
|
|
s.Push(1)
|
|
s.Swap()
|
|
s2.Clear()
|
|
s2.Push(1)
|
|
s2.Push(0)
|
|
require.Equal(t, s2, s)
|
|
s.Clear()
|
|
s.Push(1)
|
|
s.Push(2)
|
|
s2.Clear()
|
|
s2.Push(2)
|
|
s2.Push(1)
|
|
s.Swap()
|
|
require.Equal(t, s2, s)
|
|
}
|