Add golang program with integer add function

.github/workflows/main.yml

@@ -35,7 +35,7 @@ jobs:
           mv omil-$(git rev-parse --short HEAD).tar.gz build-binary
 
       - name: Upload
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: omil-build
           path: build

cmd/add/README.md

@@ -0,0 +1,69 @@
+# Go Add Function Program
+
+这是一个简单的 Go 程序，实现了整数加法功能。
+
+## 功能特性
+
+- `Add(a, b int) int`: 计算两个整数的和
+- `AddMultiple(numbers ...int) int`: 计算多个整数的和
+- 命令行界面支持
+- 完整的单元测试
+
+## 使用方法
+
+### 运行程序
+
+```bash
+# 添加两个数字
+go run main.go 5 10
+
+# 添加多个数字
+go run main.go 1 2 3 4 5
+```
+
+### 运行测试
+
+```bash
+# 运行所有测试
+go test
+
+# 运行测试并显示详细输出
+go test -v
+
+# 运行测试并显示覆盖率
+go test -cover
+```
+
+### 构建程序
+
+```bash
+# 构建可执行文件
+go build -o add_program
+
+# 运行构建的程序
+./add_program 10 20
+```
+
+## 示例
+
+```bash
+$ go run main.go 5 10
+Result: 5 + 10 = 15
+
+$ go run main.go 1 2 3 4 5
+Result: [1 2 3 4 5] = 15
+
+$ go run main.go -5 10
+Result: -5 + 10 = 5
+```
+
+## 测试用例
+
+程序包含全面的测试用例，涵盖：
+- 正数相加
+- 负数相加
+- 正负数混合
+- 零值处理
+- 大数处理
+- 多个数字相加
+- 边界情况

cmd/add/add_test.go

@@ -0,0 +1,106 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestAdd(t *testing.T) {
+	testCases := []struct {
+		Name     string
+		A        int
+		B        int
+		Expected int
+	}{
+		{
+			Name:     "positive numbers",
+			A:        5,
+			B:        10,
+			Expected: 15,
+		},
+		{
+			Name:     "negative numbers",
+			A:        -5,
+			B:        -10,
+			Expected: -15,
+		},
+		{
+			Name:     "mixed positive and negative",
+			A:        10,
+			B:        -5,
+			Expected: 5,
+		},
+		{
+			Name:     "zero values",
+			A:        0,
+			B:        0,
+			Expected: 0,
+		},
+		{
+			Name:     "one zero value",
+			A:        5,
+			B:        0,
+			Expected: 5,
+		},
+		{
+			Name:     "large numbers",
+			A:        1000000,
+			B:        2000000,
+			Expected: 3000000,
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.Name, func(t *testing.T) {
+			result := Add(testCase.A, testCase.B)
+			require.Equal(t, testCase.Expected, result)
+		})
+	}
+}
+
+func TestAddMultiple(t *testing.T) {
+	testCases := []struct {
+		Name     string
+		Numbers  []int
+		Expected int
+	}{
+		{
+			Name:     "multiple positive numbers",
+			Numbers:  []int{1, 2, 3, 4, 5},
+			Expected: 15,
+		},
+		{
+			Name:     "multiple negative numbers",
+			Numbers:  []int{-1, -2, -3},
+			Expected: -6,
+		},
+		{
+			Name:     "mixed numbers",
+			Numbers:  []int{10, -5, 3, -2},
+			Expected: 6,
+		},
+		{
+			Name:     "single number",
+			Numbers:  []int{42},
+			Expected: 42,
+		},
+		{
+			Name:     "empty slice",
+			Numbers:  []int{},
+			Expected: 0,
+		},
+		{
+			Name:     "zeros",
+			Numbers:  []int{0, 0, 0},
+			Expected: 0,
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.Name, func(t *testing.T) {
+			result := AddMultiple(testCase.Numbers...)
+			require.Equal(t, testCase.Expected, result)
+		})
+	}
+}

cmd/add/go.mod

@@ -0,0 +1,11 @@
+module add_program
+
+go 1.18
+
+require github.com/stretchr/testify v1.10.0
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

cmd/add/go.sum

@@ -0,0 +1,10 @@
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+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
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+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

cmd/add/main.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+)
+
+func Add(a, b int) int {
+	return a + b
+}
+
+func AddMultiple(numbers ...int) int {
+	sum := 0
+	for _, num := range numbers {
+		sum += num
+	}
+	return sum
+}
+
+func main() {
+	if len(os.Args) < 3 {
+		fmt.Println("Usage: go run main.go <number1> <number2> [number3] ...")
+		fmt.Println("Example: go run main.go 5 10 15")
+		return
+	}
+
+	var numbers []int
+	for i := 1; i < len(os.Args); i++ {
+		num, err := strconv.Atoi(os.Args[i])
+		if err != nil {
+			fmt.Printf("Error: '%s' is not a valid integer\n", os.Args[i])
+			return
+		}
+		numbers = append(numbers, num)
+	}
+
+	if len(numbers) == 2 {
+		result := Add(numbers[0], numbers[1])
+		fmt.Printf("Result: %d + %d = %d\n", numbers[0], numbers[1], result)
+	} else {
+		result := AddMultiple(numbers...)
+		fmt.Printf("Result: %v = %d\n", numbers, result)
+	}
+}

go.sum

@@ -4,22 +4,17 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSY
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@@ -86,24 +74,20 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
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 golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191115151921-52ab43148777 h1:wejkGHRTr38uaKRqECZlsCsJ1/TGxIyFbH32x5zUdu4=
 golang.org/x/sys v0.0.0-20191115151921-52ab43148777/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201009025420-dfb3f7c4e634 h1:bNEHhJCnrwMKNMmOx3yAynp5vs5/gRy+XWFtZFu7NBM=
 golang.org/x/sys v0.0.0-20201009025420-dfb3f7c4e634/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.5 h1:ymVxjfMaHvXD8RqPRmzHHsB3VvucivSkIAvJFDI5O3c=
-gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=