Feature/cover unit test (#81)

mathUtil/round_test.go

@@ -1,21 +1,48 @@
 package mathUtil
 
-import "testing"
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
 
 func TestRoundFloat32(t *testing.T) {
-	var input float32 = -12.4
-	var expected int = -12
-	res := Round(input)
-	if res != expected {
-		t.Errorf("Round error %d", res)
+	testCases := []struct {
+		name     string
+		input    float32
+		expected int
+	}{
+		{
+			name:     "负数四舍五入",
+			input:    -12.4,
+			expected: -12,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			res := Round(tc.input)
+			assert.Equal(t, tc.expected, res)
+		})
 	}
 }
 
 func TestRoundFloat64(t *testing.T) {
-	var input float64 = 12.5
-	var expected int = 13
-	res := Round(input)
-	if res != expected {
-		t.Errorf("Round error %d", res)
+	testCases := []struct {
+		name     string
+		input    float64
+		expected int
+	}{
+		{
+			name:     "正数四舍五入",
+			input:    12.5,
+			expected: 13,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			res := Round(tc.input)
+			assert.Equal(t, tc.expected, res)
+		})
 	}
 }