update

tests/string_test.go

@@ -0,0 +1,39 @@
+package tests
+
+import (
+	"bytes"
+	"fmt"
+	"testing"
+)
+
+func BenchmarkStringSplice(b *testing.B) {
+	userID := "aaaaa"
+	orderID := "bbccc"
+
+	b.Run("BenchmarkPlus", func(b *testing.B) {
+		for i := 0; i < b.N; i++ {
+			logStr := "userid :" + userID + "; orderid:" + orderID
+			_ = logStr
+		}
+	})
+
+	b.Run("BenchmarkPrint", func(b *testing.B) {
+		for i := 0; i < b.N; i++ {
+			logStr := fmt.Sprintf("userid: %v; orderid: %v", userID, orderID)
+			_ = logStr
+		}
+	})
+
+	b.Run("BenchmarkBytesBuffer", func(b *testing.B) {
+		for i := 0; i < b.N; i++ {
+			var sb bytes.Buffer
+			sb.WriteString("userid :")
+			sb.WriteString(userID)
+			sb.WriteString("; orderid:")
+			sb.WriteString(orderID)
+
+			logStr := sb.String()
+			_ = logStr
+		}
+	})
+}