Testing in Go

package main

import "fmt"

// TODO: write add(a, b int) int that returns a + b
func add(a, b int) int {
	return 0
}

func main() {
	result := add(2, 3)
	if result == 5 {
		fmt.Println("PASS: add(2, 3) = 5")
	} else {
		fmt.Printf("FAIL: add(2, 3) = %d, want 5\n", result)
	}
}