From 9fbcdd86cc70d1572a800abddd5ceccaef7671ca Mon Sep 17 00:00:00 2001
From: PhatPhuckDave <david.majdandzic@hotmail.com>
Date: Tue, 30 Jul 2024 22:14:19 +0200
Subject: [PATCH] Add encode benchmarks

---
 encoding/gsm7.go      | 21 ++++++++++-----------
 encoding/gsm7_test.go | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 11 deletions(-)

diff --git a/encoding/gsm7.go b/encoding/gsm7.go
index acdd28d..50894cb 100644
--- a/encoding/gsm7.go
+++ b/encoding/gsm7.go
@@ -3,7 +3,6 @@ package encoding
 import (
 	"bytes"
 	"fmt"
-	"log"
 )
 
 type GSM7Coder struct{}
@@ -82,11 +81,11 @@ func (c *GSM7Coder) Decode(buf *bytes.Buffer) (string, error) {
 		if bitshift == 7 {
 			leap = true
 		}
-		log.Printf("Index:%-3d Offset:%-3d Bitshift:%-3d CurrentByte:%08b (%-3d) OffsetByte(%-3d):%08b (%-3d) Leap:%5v", index, offset, bitshift, gsm7[index], gsm7[index], index+offset, gsm7[index+offset], gsm7[index+offset], leap)
+		// log.Printf("Index:%-3d Offset:%-3d Bitshift:%-3d CurrentByte:%08b (%-3d) OffsetByte(%-3d):%08b (%-3d) Leap:%5v", index, offset, bitshift, gsm7[index], gsm7[index], index+offset, gsm7[index+offset], gsm7[index+offset], leap)
 
 		mask := byte(255 << (8 - bitshift))
 		masked := (mask & octet) >> (8 - bitshift)
-		log.Printf("Index:%-3d Offset:%-3d Bitshift:%-3d Mask:%08b Masked:%08b", index, offset, bitshift, mask, masked)
+		// log.Printf("Index:%-3d Offset:%-3d Bitshift:%-3d Mask:%08b Masked:%08b", index, offset, bitshift, mask, masked)
 		if leap {
 			InsertAt(&gsm7, index+offset, masked)
 		} else {
@@ -97,7 +96,7 @@ func (c *GSM7Coder) Decode(buf *bytes.Buffer) (string, error) {
 		// Move the remaining bit once to the right to form septet instead of octet
 		gsm7[index] >>= 1
 
-		log.Printf("Index:%-3d Offset:%-3d Bitshift:%-3d CurrentByte:%08b (%-3d) OffsetByte(%-3d):%08b (%-3d) Leap:%5v", index, offset, bitshift, gsm7[index], gsm7[index], index+offset, gsm7[index+offset], gsm7[index+offset], leap)
+		// log.Printf("Index:%-3d Offset:%-3d Bitshift:%-3d CurrentByte:%08b (%-3d) OffsetByte(%-3d):%08b (%-3d) Leap:%5v", index, offset, bitshift, gsm7[index], gsm7[index], index+offset, gsm7[index+offset], gsm7[index+offset], leap)
 		leap = false
 		continue
 
@@ -107,17 +106,17 @@ func (c *GSM7Coder) Decode(buf *bytes.Buffer) (string, error) {
 		if index == len(gsm7)-1 && gsm7[index] > 0 {
 			buf.WriteByte(gsm7[index])
 		}
-		log.Printf("Index:%-3d Offset:%-3d Bitshift:%-3d CurrentByte:%08b (%-3d) OffsetByte:%08b (%-3d) Leap:%5v", index, offset, bitshift, gsm7[index], gsm7[index], gsm7[index-offset], gsm7[index-offset], leap)
+		// log.Printf("Index:%-3d Offset:%-3d Bitshift:%-3d CurrentByte:%08b (%-3d) OffsetByte:%08b (%-3d) Leap:%5v", index, offset, bitshift, gsm7[index], gsm7[index], gsm7[index-offset], gsm7[index-offset], leap)
 		if bitshift >= 7 {
 			if leap {
-				log.Printf("Shift at Index:%-3d Offset:%-3d Bitshift:%-3d", index, offset, bitshift)
+				// log.Printf("Shift at Index:%-3d Offset:%-3d Bitshift:%-3d", index, offset, bitshift)
 				leap = false
 				bitshift = 0
 				offset++
 				shift = true
 				continue
 			}
-			log.Printf("Leap at Index:%-3d Offset:%-3d Bitshift:%-3d", index, offset, bitshift)
+			// log.Printf("Leap at Index:%-3d Offset:%-3d Bitshift:%-3d", index, offset, bitshift)
 			leap = true
 			bitshift = 6
 		}
@@ -125,10 +124,10 @@ func (c *GSM7Coder) Decode(buf *bytes.Buffer) (string, error) {
 			offset = 1
 		}
 	}
-	log.Printf("Result: %+v", gsm7)
-	for _, v := range gsm7 {
-		log.Printf("%08b", v)
-	}
+	// log.Printf("Result: %+v", gsm7)
+	// for _, v := range gsm7 {
+		// log.Printf("%08b", v)
+	// }
 	return string(gsm7), nil
 }
 
diff --git a/encoding/gsm7_test.go b/encoding/gsm7_test.go
index 8a0e471..2781079 100644
--- a/encoding/gsm7_test.go
+++ b/encoding/gsm7_test.go
@@ -217,4 +217,38 @@ func TestDeletesLastValue(t *testing.T) {
 	if !bytes.Equal(data, expected) {
 		t.Errorf("expected %v, got %v", expected, data)
 	}
+}
+
+// benchmark
+func BenchmarkGSM7EncodeSimpleASCIIString(b *testing.B) {
+	coder := &GSM7Coder{}
+	var buf bytes.Buffer
+	input := "Sunshine"
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		coder.Encode(input, &buf)
+	}
+}
+
+func BenchmarkGSM7EncodeComplexASCIIString(b *testing.B) {
+	coder := &GSM7Coder{}
+	var buf bytes.Buffer
+	input := "Golden rays play, Chasing night away."
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		coder.Encode(input, &buf)
+	}
+}
+
+func BenchmarkGSM7EncodeComplex8nASCIIString(b *testing.B) {
+	coder := &GSM7Coder{}
+	var buf bytes.Buffer
+	input := "Ducks are fucking great, they quacks, O quackers, what the fuck."
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		coder.Encode(input, &buf)
+	}
 }
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