structure/list/list_test.go

88 lines
1.3 KiB
Go

package list
import (
"testing"
"github.com/davecgh/go-spew/spew"
)
func TestPush(t *testing.T) {
l := New()
for i := 0; i < 5; i++ {
l.Push(i)
}
var result string
result = spew.Sprint(l.Values())
if result != "[4 3 2 1 0]" {
t.Error(result)
}
l.Push(0)
result = spew.Sprint(l.Values())
if result != "[0 4 3 2 1 0]" {
t.Error(result)
}
}
func TestPop(t *testing.T) {
l := New()
for i := 0; i < 5; i++ {
l.Push(i)
}
if v, ok := l.Pop(); ok {
if v != 4 {
t.Error(v)
}
} else {
t.Error("Pop should ok, but is not ok")
}
var result string
result = spew.Sprint(l.Values())
if result != "[3 2 1 0]" {
t.Error(result)
}
for i := 3; l.Size() != 0; i-- {
if v, ok := l.Pop(); ok {
if v != i {
t.Error(i, v, "is not equals")
}
} else {
t.Error("Pop should ok, but is not ok", i)
}
}
l.Push(0)
result = spew.Sprint(l.Values())
if result != "[0]" {
t.Error(result)
}
if l.Size() != 1 {
t.Error("l.Size() == 1, but is error, size = ", l.Size())
}
}
func TestRemove(t *testing.T) {
l := New()
for i := 0; i < 5; i++ {
l.Push(i)
}
for i := 0; i < 5; i++ {
if n, ok := l.Remove(0); ok {
if n.Value() != 4-i {
t.Error(n)
}
} else {
t.Error("Pop should ok, but is not ok", i)
}
}
if l.Size() != 0 {
t.Error("l.Size() == 0, but is error, size = ", l.Size())
}
}