1 files changed, 110 insertions, 0 deletions
diff --git a/libgo/go/net/net_test.go b/libgo/go/net/net_test.go
index cd62b4373eb..b2f825daffc 100644
--- a/libgo/go/net/net_test.go
+++ b/libgo/go/net/net_test.go
@@ -6,6 +6,7 @@ package net
 
 import (
 	"io"
+	"net/internal/socktest"
 	"os"
 	"runtime"
 	"testing"
@@ -304,3 +305,112 @@ func TestListenCloseListen(t *testing.T) {
 	}
 	t.Fatalf("failed to listen/close/listen on same address after %d tries", maxTries)
 }
+
+// See golang.org/issue/6163, golang.org/issue/6987.
+func TestAcceptIgnoreAbortedConnRequest(t *testing.T) {
+	switch runtime.GOOS {
+	case "plan9":
+		t.Skipf("%s does not have full support of socktest", runtime.GOOS)
+	}
+
+	syserr := make(chan error)
+	go func() {
+		defer close(syserr)
+		for _, err := range abortedConnRequestErrors {
+			syserr <- err
+		}
+	}()
+	sw.Set(socktest.FilterAccept, func(so *socktest.Status) (socktest.AfterFilter, error) {
+		if err, ok := <-syserr; ok {
+			return nil, err
+		}
+		return nil, nil
+	})
+	defer sw.Set(socktest.FilterAccept, nil)
+
+	operr := make(chan error, 1)
+	handler := func(ls *localServer, ln Listener) {
+		defer close(operr)
+		c, err := ln.Accept()
+		if err != nil {
+			if perr := parseAcceptError(err); perr != nil {
+				operr <- perr
+			}
+			operr <- err
+			return
+		}
+		c.Close()
+	}
+	ls, err := newLocalServer("tcp")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer ls.teardown()
+	if err := ls.buildup(handler); err != nil {
+		t.Fatal(err)
+	}
+
+	c, err := Dial(ls.Listener.Addr().Network(), ls.Listener.Addr().String())
+	if err != nil {
+		t.Fatal(err)
+	}
+	c.Close()
+
+	for err := range operr {
+		t.Error(err)
+	}
+}
+
+func TestZeroByteRead(t *testing.T) {
+	for _, network := range []string{"tcp", "unix", "unixpacket"} {
+		if !testableNetwork(network) {
+			t.Logf("skipping %s test", network)
+			continue
+		}
+
+		ln, err := newLocalListener(network)
+		if err != nil {
+			t.Fatal(err)
+		}
+		connc := make(chan Conn, 1)
+		go func() {
+			defer ln.Close()
+			c, err := ln.Accept()
+			if err != nil {
+				t.Error(err)
+			}
+			connc <- c // might be nil
+		}()
+		c, err := Dial(network, ln.Addr().String())
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer c.Close()
+		sc := <-connc
+		if sc == nil {
+			continue
+		}
+		defer sc.Close()
+
+		if runtime.GOOS == "windows" {
+			// A zero byte read on Windows caused a wait for readability first.
+			// Rather than change that behavior, satisfy it in this test.
+			// See Issue 15735.
+			go io.WriteString(sc, "a")
+		}
+
+		n, err := c.Read(nil)
+		if n != 0 || err != nil {
+			t.Errorf("%s: zero byte client read = %v, %v; want 0, nil", network, n, err)
+		}
+
+		if runtime.GOOS == "windows" {
+			// Same as comment above.
+			go io.WriteString(c, "a")
+		}
+		n, err = sc.Read(nil)
+		if n != 0 || err != nil {
+			t.Errorf("%s: zero byte server read = %v, %v; want 0, nil", network, n, err)
+		}
+	}
+}