# go语言单元测试demo

m718281962 · · 1302 次点击 · · 开始浏览

```package mymath

func Add(a, b int) int {
return a + b
}
func Max(a, b int) (ret int) {
ret = a
if b > a {
ret = b
}
return
}
```

```package mymath_test

import (
"mymath"
"testing"
)

type mathTest struct {
a, b, ret int
}

var addTest = []mathTest{
mathTest{4, 6, 10},
mathTest{5, 6, 11},
mathTest{2, -6, -4},
}

var maxTest = []mathTest{
mathTest{3, 5, 5},
mathTest{-3, 5, 5},
mathTest{-3, -5, -3},
}

func TestAdd(t *testing.T) {
for _, v := range addTest {
ret := mymath.Add(v.a, v.b)
if ret != v.ret {
t.Errorf("%d add %d, want %d, but get %d", v.a, v.b, v.ret, ret)
}
}
}
func TestMax(t *testing.T) {
for _, v := range maxTest {
ret := mymath.Max(v.a, v.b)
if ret != v.ret {
t.Errorf("the max number between %d and %d is want %d, but get %d", v.a, v.b, v.ret, ret)
}
}
}```

```PASS
ok  	  myweb/lib/session	   3.863s```

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```package mymath

func Add(a, b int) int {
return a + b
}
func Max(a, b int) (ret int) {
ret = a
if b > a {
ret = b
}
return
}
```

```package mymath_test

import (
"mymath"
"testing"
)

type mathTest struct {
a, b, ret int
}

var addTest = []mathTest{
mathTest{4, 6, 10},
mathTest{5, 6, 11},
mathTest{2, -6, -4},
}

var maxTest = []mathTest{
mathTest{3, 5, 5},
mathTest{-3, 5, 5},
mathTest{-3, -5, -3},
}

func TestAdd(t *testing.T) {
for _, v := range addTest {
ret := mymath.Add(v.a, v.b)
if ret != v.ret {
t.Errorf("%d add %d, want %d, but get %d", v.a, v.b, v.ret, ret)
}
}
}
func TestMax(t *testing.T) {
for _, v := range maxTest {
ret := mymath.Max(v.a, v.b)
if ret != v.ret {
t.Errorf("the max number between %d and %d is want %d, but get %d", v.a, v.b, v.ret, ret)
}
}
}```

```PASS
ok  	  myweb/lib/session	   3.863s```