94 lines
1.9 KiB
Go
94 lines
1.9 KiB
Go
// File: queue_test.go
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// Created Time: 2022-11-28
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// Author: Reanon (793584285@qq.com)
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package chapter_stack_and_queue
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import "testing"
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func TestArrayQueue(t *testing.T) {
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// 初始化队列，使用队列的通用接口
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var queue Queue
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capacity := 10
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queue = NewArrayQueue(capacity)
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// 元素入队
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queue.Offer(1)
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queue.Offer(2)
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queue.Offer(3)
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queue.Offer(4)
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queue.Offer(5)
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t.Log("队列 queue = ", queue.toString())
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// 访问队首元素
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peek := queue.Peek()
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t.Log("队首元素 peek = ", peek)
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// 元素出队
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pop := queue.Poll()
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t.Log("出队元素 pop = ", pop, ", 出队后 queue =", queue.toString())
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// 获取队的长度
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size := queue.Size()
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t.Log("队的长度 size = ", size)
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// 判断是否为空
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isEmpty := queue.IsEmpty()
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t.Log("队是否为空 = ", isEmpty)
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}
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func TestLinkedListQueue(t *testing.T) {
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// 初始化队
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var queue Queue
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queue = NewLinkedListQueue()
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// 元素入队
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queue.Offer(1)
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queue.Offer(2)
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queue.Offer(3)
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queue.Offer(4)
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queue.Offer(5)
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t.Log("队列 queue = ", queue.toString())
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// 访问队首元素
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peek := queue.Peek()
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t.Log("队首元素 peek = ", peek)
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// 元素出队
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pop := queue.Poll()
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t.Log("出队元素 pop = ", pop, ", 出队后 queue =", queue.toString())
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// 获取队的长度
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size := queue.Size()
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t.Log("队的长度 size = ", size)
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// 判断是否为空
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isEmpty := queue.IsEmpty()
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t.Log("队是否为空 = ", isEmpty)
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}
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// BenchmarkArrayQueue 8 ns/op in Mac M1 Pro
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func BenchmarkArrayQueue(b *testing.B) {
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capacity := 1000
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stack := NewArrayQueue(capacity)
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// use b.N for looping
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for i := 0; i < b.N; i++ {
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stack.Offer(777)
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}
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for i := 0; i < b.N; i++ {
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stack.Poll()
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}
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}
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// BenchmarkLinkedQueue 62.66 ns/op in Mac M1 Pro
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func BenchmarkLinkedQueue(b *testing.B) {
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stack := NewLinkedListQueue()
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// use b.N for looping
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for i := 0; i < b.N; i++ {
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stack.Offer(777)
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}
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for i := 0; i < b.N; i++ {
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stack.Poll()
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}
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}
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