mirror of
https://github.com/krahets/hello-algo.git
synced 2026-06-28 08:34:28 +00:00
Yudong Jin
2778a6f9c7
* Review the EN heading format. * Fix pythontutor headings. * Fix pythontutor headings. * bug fixes * Fix headings in **/summary.md * Revisit the CN-to-EN translation for Python code using Claude-4.5 * Revisit the CN-to-EN translation for Java code using Claude-4.5 * Revisit the CN-to-EN translation for Cpp code using Claude-4.5. * Fix the dictionary. * Fix cpp code translation for the multipart strings. * Translate Go code to English. * Update workflows to test EN code. * Add EN translation for C. * Add EN translation for CSharp. * Add EN translation for Swift. * Trigger the CI check. * Revert. * Update en/hash_map.md * Add the EN version of Dart code. * Add the EN version of Kotlin code. * Add missing code files. * Add the EN version of JavaScript code. * Add the EN version of TypeScript code. * Fix the workflows. * Add the EN version of Ruby code. * Add the EN version of Rust code. * Update the CI check for the English version code. * Update Python CI check. * Fix cmakelists for en/C code. * Fix Ruby comments
131 lines
2.8 KiB
Go
131 lines
2.8 KiB
Go
// File: stack_test.go
|
|
// Created Time: 2022-11-28
|
|
// Author: Reanon (793584285@qq.com)
|
|
|
|
package chapter_stack_and_queue
|
|
|
|
import (
|
|
"fmt"
|
|
"testing"
|
|
|
|
. "github.com/krahets/hello-algo/pkg"
|
|
)
|
|
|
|
func TestStack(t *testing.T) {
|
|
/* Access top of the stack element */
|
|
// In Go, recommended to use Slice as stack
|
|
var stack []int
|
|
|
|
/* Elements push onto stack */
|
|
stack = append(stack, 1)
|
|
stack = append(stack, 3)
|
|
stack = append(stack, 2)
|
|
stack = append(stack, 5)
|
|
stack = append(stack, 4)
|
|
fmt.Print("Stack stack = ")
|
|
PrintSlice(stack)
|
|
|
|
/* Return list for printing */
|
|
peek := stack[len(stack)-1]
|
|
fmt.Println("Stack top element peek =", peek)
|
|
|
|
/* Element pop from stack */
|
|
pop := stack[len(stack)-1]
|
|
stack = stack[:len(stack)-1]
|
|
fmt.Print("Pop element pop = ", pop, ", after pop, stack = ")
|
|
PrintSlice(stack)
|
|
|
|
/* Get the length of the stack */
|
|
size := len(stack)
|
|
fmt.Println("Stack length size =", size)
|
|
|
|
/* Check if empty */
|
|
isEmpty := len(stack) == 0
|
|
fmt.Println("Is stack empty =", isEmpty)
|
|
}
|
|
|
|
func TestArrayStack(t *testing.T) {
|
|
// Initialize stack using interface
|
|
stack := newArrayStack()
|
|
|
|
// Elements push onto stack
|
|
stack.push(1)
|
|
stack.push(3)
|
|
stack.push(2)
|
|
stack.push(5)
|
|
stack.push(4)
|
|
fmt.Print("Stack stack = ")
|
|
PrintSlice(stack.toSlice())
|
|
|
|
// Return list for printing
|
|
peek := stack.peek()
|
|
fmt.Println("Stack top element peek =", peek)
|
|
|
|
// Element pop from stack
|
|
pop := stack.pop()
|
|
fmt.Print("Pop element pop = ", pop, ", after pop, stack = ")
|
|
PrintSlice(stack.toSlice())
|
|
|
|
// Get the length of the stack
|
|
size := stack.size()
|
|
fmt.Println("Stack length size =", size)
|
|
|
|
// Check if empty
|
|
isEmpty := stack.isEmpty()
|
|
fmt.Println("Is stack empty =", isEmpty)
|
|
}
|
|
|
|
func TestLinkedListStack(t *testing.T) {
|
|
// Access top of the stack element
|
|
stack := newLinkedListStack()
|
|
// Elements push onto stack
|
|
stack.push(1)
|
|
stack.push(3)
|
|
stack.push(2)
|
|
stack.push(5)
|
|
stack.push(4)
|
|
fmt.Print("Stack stack = ")
|
|
PrintList(stack.toList())
|
|
|
|
// Return list for printing
|
|
peek := stack.peek()
|
|
fmt.Println("Stack top element peek =", peek)
|
|
|
|
// Element pop from stack
|
|
pop := stack.pop()
|
|
fmt.Print("Pop element pop = ", pop, ", after pop, stack = ")
|
|
PrintList(stack.toList())
|
|
|
|
// Get the length of the stack
|
|
size := stack.size()
|
|
fmt.Println("Stack length size =", size)
|
|
|
|
// Check if empty
|
|
isEmpty := stack.isEmpty()
|
|
fmt.Println("Is stack empty =", isEmpty)
|
|
}
|
|
|
|
// 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()
|
|
}
|
|
}
|
|
|
|
// BenchmarkLinkedListStack 65.02 ns/op in Mac M1 Pro
|
|
func BenchmarkLinkedListStack(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()
|
|
}
|
|
}
|