interview snipplet

interview.go

package main

import "fmt"

func plusone(a int) int {
  return a + 1
}

type testCase struct {
  input int
  expected int
}

func main() {
  testCases := []testCase{
    {
      1,
      2,
    },
    {
      2,
      3,
    },
    {
      3,
      4,
    },
    {
      4,
      5,
    },
  }
  
  for _, t := range testCases {
    input := t.input
    expected := t.expected
    actual := plusone(input)
    
    fmt.Printf("input:    %v\n", input)
    fmt.Printf("expected: %v\n", expected)
    fmt.Printf("actual:   %v\n", actual)
    
    if expected != actual {
      fmt.Println("Test case is incorrect.")
      return
    }
    
    fmt.Println()
  }
}