1 files changed, 117 insertions, 0 deletions
diff --git a/gcc-4.7/libgo/go/net/lookup_test.go b/gcc-4.7/libgo/go/net/lookup_test.go
new file mode 100644
index 000000000..3a61dfb29
--- /dev/null
+++ b/gcc-4.7/libgo/go/net/lookup_test.go
@@ -0,0 +1,117 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// TODO It would be nice to use a mock DNS server, to eliminate
+// external dependencies.
+
+package net
+
+import (
+	"flag"
+	"testing"
+)
+
+var testExternal = flag.Bool("external", true, "allow use of external networks during long test")
+
+func TestGoogleSRV(t *testing.T) {
+	if testing.Short() || !*testExternal {
+		t.Logf("skipping test to avoid external network")
+		return
+	}
+	_, addrs, err := LookupSRV("xmpp-server", "tcp", "google.com")
+	if err != nil {
+		t.Errorf("failed: %s", err)
+	}
+	if len(addrs) == 0 {
+		t.Errorf("no results")
+	}
+
+	// Non-standard back door.
+	_, addrs, err = LookupSRV("", "", "_xmpp-server._tcp.google.com")
+	if err != nil {
+		t.Errorf("back door failed: %s", err)
+	}
+	if len(addrs) == 0 {
+		t.Errorf("back door no results")
+	}
+}
+
+func TestGmailMX(t *testing.T) {
+	if testing.Short() || !*testExternal {
+		t.Logf("skipping test to avoid external network")
+		return
+	}
+	mx, err := LookupMX("gmail.com")
+	if err != nil {
+		t.Errorf("failed: %s", err)
+	}
+	if len(mx) == 0 {
+		t.Errorf("no results")
+	}
+}
+
+func TestGmailTXT(t *testing.T) {
+	if testing.Short() || !*testExternal {
+		t.Logf("skipping test to avoid external network")
+		return
+	}
+	txt, err := LookupTXT("gmail.com")
+	if err != nil {
+		t.Errorf("failed: %s", err)
+	}
+	if len(txt) == 0 || len(txt[0]) == 0 {
+		t.Errorf("no results")
+	}
+}
+
+func TestGoogleDNSAddr(t *testing.T) {
+	if testing.Short() || !*testExternal {
+		t.Logf("skipping test to avoid external network")
+		return
+	}
+	names, err := LookupAddr("8.8.8.8")
+	if err != nil {
+		t.Errorf("failed: %s", err)
+	}
+	if len(names) == 0 {
+		t.Errorf("no results")
+	}
+}
+
+var revAddrTests = []struct {
+	Addr      string
+	Reverse   string
+	ErrPrefix string
+}{
+	{"1.2.3.4", "4.3.2.1.in-addr.arpa.", ""},
+	{"245.110.36.114", "114.36.110.245.in-addr.arpa.", ""},
+	{"::ffff:12.34.56.78", "78.56.34.12.in-addr.arpa.", ""},
+	{"::1", "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa.", ""},
+	{"1::", "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.0.ip6.arpa.", ""},
+	{"1234:567::89a:bcde", "e.d.c.b.a.9.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.6.5.0.4.3.2.1.ip6.arpa.", ""},
+	{"1234:567:fefe:bcbc:adad:9e4a:89a:bcde", "e.d.c.b.a.9.8.0.a.4.e.9.d.a.d.a.c.b.c.b.e.f.e.f.7.6.5.0.4.3.2.1.ip6.arpa.", ""},
+	{"1.2.3", "", "unrecognized address"},
+	{"1.2.3.4.5", "", "unrecognized address"},
+	{"1234:567:bcbca::89a:bcde", "", "unrecognized address"},
+	{"1234:567::bcbc:adad::89a:bcde", "", "unrecognized address"},
+}
+
+func TestReverseAddress(t *testing.T) {
+	for i, tt := range revAddrTests {
+		a, err := reverseaddr(tt.Addr)
+		if len(tt.ErrPrefix) > 0 && err == nil {
+			t.Errorf("#%d: expected %q, got <nil> (error)", i, tt.ErrPrefix)
+			continue
+		}
+		if len(tt.ErrPrefix) == 0 && err != nil {
+			t.Errorf("#%d: expected <nil>, got %q (error)", i, err)
+		}
+		if err != nil && err.(*DNSError).Err != tt.ErrPrefix {
+			t.Errorf("#%d: expected %q, got %q (mismatched error)", i, tt.ErrPrefix, err.(*DNSError).Err)
+		}
+		if a != tt.Reverse {
+			t.Errorf("#%d: expected %q, got %q (reverse address)", i, tt.Reverse, a)
+		}
+	}
+}