Add micro-benchmarks

bench_test.go

@@ -0,0 +1,44 @@
+package cmux
+
+import (
+	"bytes"
+	"io"
+	"net"
+	"testing"
+)
+
+type mockConn struct {
+	net.Conn
+	r io.Reader
+}
+
+func (c *mockConn) Read(b []byte) (n int, err error) {
+	return c.r.Read(b)
+}
+
+func BenchmarkCMuxConn(b *testing.B) {
+	b.StopTimer()
+
+	benchHTTPPayload := make([]byte, 4096)
+	copy(benchHTTPPayload, []byte("GET http://www.w3.org/ HTTP/1.1"))
+
+	m := New(nil).(*cMux)
+	l := m.Match(HTTP1Fast())
+
+	go func() {
+		for {
+			if _, err := l.Accept(); err != nil {
+				return
+			}
+		}
+	}()
+
+	b.StartTimer()
+
+	for i := 0; i < b.N; i++ {
+		c := &mockConn{
+			r: bytes.NewReader(benchHTTPPayload),
+		}
+		m.serve(c)
+	}
+}