From 2d70cfd89c2a3ab5af00ba8bb557a36ef8395a02 Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Thu, 20 Nov 2025 08:00:00 +0800
Subject: adler32: Add benchmark

---
 internal/adler32/bench_test.go | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 internal/adler32/bench_test.go

diff --git a/internal/adler32/bench_test.go b/internal/adler32/bench_test.go
new file mode 100644
index 00000000..7744b903
--- /dev/null
+++ b/internal/adler32/bench_test.go
@@ -0,0 +1,22 @@
+package adler32
+
+import (
+	"testing"
+)
+
+const benchmarkSize = 64 * 1024
+
+var data = make([]byte, benchmarkSize)
+
+func init() {
+	for i := range benchmarkSize {
+		data[i] = byte(i % 256)
+	}
+}
+
+func BenchmarkChecksum(b *testing.B) {
+	b.ReportAllocs()
+	for range b.N {
+		Checksum(data)
+	}
+}
-- 
cgit v1.3.1-10-gc9f91