1 files changed, 44 insertions, 0 deletions
diff --git a/src/pkg/http/serve_test.go b/src/pkg/http/serve_test.go
index c923c8a76..dc4594a79 100644
--- a/src/pkg/http/serve_test.go
+++ b/src/pkg/http/serve_test.go
@@ -12,12 +12,14 @@ import (
 	"fmt"
 	. "http"
 	"http/httptest"
+	"io"
 	"io/ioutil"
 	"log"
 	"os"
 	"net"
 	"reflect"
 	"strings"
+	"syscall"
 	"testing"
 	"time"
 )
@@ -494,6 +496,12 @@ func TestHeadResponses(t *testing.T) {
 		if err != ErrBodyNotAllowed {
 			t.Errorf("on Write, expected ErrBodyNotAllowed, got %v", err)
 		}
+
+		// Also exercise the ReaderFrom path
+		_, err = io.Copy(w, strings.NewReader("Ignored body"))
+		if err != ErrBodyNotAllowed {
+			t.Errorf("on Copy, expected ErrBodyNotAllowed, got %v", err)
+		}
 	}))
 	defer ts.Close()
 	res, err := Head(ts.URL)
@@ -773,6 +781,42 @@ func TestHandlerPanic(t *testing.T) {
 	}
 }
 
+type errorListener struct {
+	errs []os.Error
+}
+
+func (l *errorListener) Accept() (c net.Conn, err os.Error) {
+	if len(l.errs) == 0 {
+		return nil, os.EOF
+	}
+	err = l.errs[0]
+	l.errs = l.errs[1:]
+	return
+}
+
+func (l *errorListener) Close() os.Error {
+	return nil
+}
+
+func (l *errorListener) Addr() net.Addr {
+	return dummyAddr("test-address")
+}
+
+func TestAcceptMaxFds(t *testing.T) {
+	log.SetOutput(ioutil.Discard) // is noisy otherwise
+	defer log.SetOutput(os.Stderr)
+
+	ln := &errorListener{[]os.Error{
+		&net.OpError{
+			Op:    "accept",
+			Error: os.Errno(syscall.EMFILE),
+		}}}
+	err := Serve(ln, HandlerFunc(HandlerFunc(func(ResponseWriter, *Request) {})))
+	if err != os.EOF {
+		t.Errorf("got error %v, want EOF", err)
+	}
+}
+
 func BenchmarkClientServer(b *testing.B) {
 	b.StopTimer()
 	ts := httptest.NewServer(HandlerFunc(func(rw ResponseWriter, r *Request) {