From 55dce6f636ad29a70daa935169710c22f44ab31f Mon Sep 17 00:00:00 2001
From: ErikPelli <erikpellizzon1@gmail.com>
Date: Sun, 12 Jun 2022 20:26:44 +0200
Subject: [PATCH] Improve benchmark to cover the usage (correct time
 difference)

---
 src/encoding/base64/base64_test.go | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/src/encoding/base64/base64_test.go b/src/encoding/base64/base64_test.go
index 9192fd4e44..852446dd8b 100644
--- a/src/encoding/base64/base64_test.go
+++ b/src/encoding/base64/base64_test.go
@@ -504,22 +504,14 @@ func BenchmarkDecodeString(b *testing.B) {
 	}
 }
 
-func BenchmarkDecodeMapInitialize(b *testing.B) {
-	b.Run("new", func(b *testing.B) {
-		for i := 0; i < b.N; i++ {
-			e := new(Encoding)
-			copy(e.decodeMap[:], decodeMapInitialize)
+func BenchmarkNewEncoding(b *testing.B) {
+	b.SetBytes(int64(len(Encoding{}.decodeMap)))
+	for i := 0; i < b.N; i++ {
+		e := NewEncoding(encodeStd)
+		for _, v := range e.decodeMap {
+			_ = v
 		}
-	})
-
-	b.Run("linear", func(b *testing.B) {
-		for i := 0; i < b.N; i++ {
-			e := new(Encoding)
-			for i := 0; i < len(e.decodeMap); i++ {
-				e.decodeMap[i] = 0xFF
-			}
-		}
-	})
+	}
 }
 
 func TestDecoderRaw(t *testing.T) {