Feature/cover unit test (#81)

mathUtil/max_test.go

@@ -1,21 +1,32 @@
 package mathUtil
 
-import "testing"
-
-func TestMaxEmpty(t *testing.T) {
-	s := []int{}
-	var expected int = 0
-	res := Max(s)
-	if res != expected {
-		t.Errorf("max error %d", res)
-	}
-}
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
 
 func TestMax(t *testing.T) {
-	s := []int{3, 7, 1, 9, 3, 0, 2, 2}
-	var expected int = 9
-	res := Max(s)
-	if res != expected {
-		t.Errorf("max error %d", res)
+	testCases := []struct {
+		name     string
+		input    []int
+		expected int
+	}{
+		{
+			name:     "空切片",
+			input:    []int{},
+			expected: 0,
+		},
+		{
+			name:     "普通切片",
+			input:    []int{3, 7, 1, 9, 3, 0, 2, 2},
+			expected: 9,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			res := Max(tc.input)
+			assert.Equal(t, tc.expected, res)
+		})
 	}
 }