94 lines
1.8 KiB
Go
94 lines
1.8 KiB
Go
// File: stack_test.go
|
|
// Created Time: 2022-11-28
|
|
// Author: Reanon (793584285@qq.com)
|
|
|
|
package chapter_stack_and_queue
|
|
|
|
import "testing"
|
|
|
|
func TestStack(t *testing.T) {
|
|
// 初始化栈
|
|
stack := NewLinkedListStack()
|
|
|
|
// 元素入栈
|
|
stack.Push(1)
|
|
stack.Push(2)
|
|
stack.Push(3)
|
|
stack.Push(4)
|
|
stack.Push(5)
|
|
t.Log("栈 stack = ", stack.toString())
|
|
|
|
// 访问栈顶元素
|
|
peek := stack.Peek()
|
|
t.Log("栈顶元素 peek = ", peek)
|
|
|
|
// 元素出栈
|
|
pop := stack.Pop()
|
|
t.Log("出栈元素 pop = ", pop, ", 出栈后 stack =", stack.toString())
|
|
|
|
// 获取栈的长度
|
|
size := stack.Size()
|
|
t.Log("栈的长度 size = ", size)
|
|
|
|
// 判断是否为空
|
|
isEmpty := stack.IsEmpty()
|
|
t.Log("栈是否为空 = ", isEmpty)
|
|
}
|
|
|
|
func TestArrayStack(t *testing.T) {
|
|
// 初始化栈
|
|
stack := NewArrayStack()
|
|
|
|
// 元素入栈
|
|
stack.Push(1)
|
|
stack.Push(2)
|
|
stack.Push(3)
|
|
stack.Push(4)
|
|
stack.Push(5)
|
|
t.Log("栈 stack = ", stack.toString())
|
|
|
|
// 访问栈顶元素
|
|
peek := stack.Peek()
|
|
t.Log("栈顶元素 peek = ", peek)
|
|
|
|
// 元素出栈
|
|
pop := stack.Pop()
|
|
t.Log("出栈元素 pop = ", pop, ", 出栈后 stack =", stack.toString())
|
|
|
|
// 获取栈的长度
|
|
size := stack.Size()
|
|
t.Log("栈的长度 size = ", size)
|
|
|
|
// 判断是否为空
|
|
isEmpty := stack.IsEmpty()
|
|
t.Log("栈是否为空 = ", isEmpty)
|
|
}
|
|
|
|
func TestLinkedListStack(t *testing.T) {
|
|
|
|
}
|
|
|
|
// BenchmarkStack 65.02 ns/op in Mac M1 Pro
|
|
func BenchmarkStack(b *testing.B) {
|
|
stack := NewLinkedListStack()
|
|
// use b.N for looping
|
|
for i := 0; i < b.N; i++ {
|
|
stack.Push(777)
|
|
}
|
|
for i := 0; i < b.N; i++ {
|
|
stack.Pop()
|
|
}
|
|
}
|
|
|
|
// BenchmarkArrayStack 8 ns/op in Mac M1 Pro
|
|
func BenchmarkArrayStack(b *testing.B) {
|
|
stack := NewArrayStack()
|
|
// use b.N for looping
|
|
for i := 0; i < b.N; i++ {
|
|
stack.Push(777)
|
|
}
|
|
for i := 0; i < b.N; i++ {
|
|
stack.Pop()
|
|
}
|
|
}
|