Add benchmark

image/image_test.go

@@ -0,0 +1,43 @@
+package image_test
+
+import (
+	"bytes"
+	_ "embed"
+	"image/jpeg"
+	"io"
+	"testing"
+
+	"github.com/gen2brain/cam2ip/image"
+)
+
+//go:embed testdata/test.jpg
+var testJpg []byte
+
+func BenchmarkDecode(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		_, err := image.NewDecoder(bytes.NewReader(testJpg)).Decode()
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkEncode(b *testing.B) {
+	img, err := jpeg.Decode(bytes.NewReader(testJpg))
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	for i := 0; i < b.N; i++ {
+		err := image.NewEncoder(io.Discard).Encode(img)
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkBase64(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		_ = image.EncodeToString(testJpg)
+	}
+}