Add tests

Conflicts:

	lib/kernel/test/gen_sctp_SUITE.erl

1 files changed, 57 insertions, 2 deletions

diff --git a/lib/kernel/test/gen_sctp_SUITE.erl b/lib/kernel/test/gen_sctp_SUITE.erl
index eb06d4324b..9aa94a0868 100644
--- a/lib/kernel/test/gen_sctp_SUITE.erl
+++ b/lib/kernel/test/gen_sctp_SUITE.erl
@@ -27,12 +27,12 @@
 -export(
    [basic/1,
     api_open_close/1,api_listen/1,api_connect_init/1,api_opts/1,
-    xfer_min/1,xfer_active/1,def_sndrcvinfo/1]).
+    xfer_min/1,xfer_active/1,def_sndrcvinfo/1,implicit_inet6/1]).
 
 all(suite) ->
     [basic,
      api_open_close,api_listen,api_connect_init,api_opts,
-     xfer_min,xfer_active,def_sndrcvinfo].
+     xfer_min,xfer_active,def_sndrcvinfo,implicit_inet6].
 
 init_per_testcase(_Func, Config) ->
     Dog = test_server:timetrap(test_server:seconds(15)),
@@ -551,3 +551,58 @@ api_opts(Config) when is_list(Config) ->
               {{error,einval},{unix,sunos}} ->
                   ok
           end.
+
+implicit_inet6(Config) when is_list(Config) ->
+    ?line Hostname = ok(inet:gethostname()),
+    ?line
+	case gen_sctp:open(0, [inet6]) of
+	    {ok,S1} ->
+		?line
+		    case inet:getaddr(Hostname, inet6) of
+			{ok,Host} ->
+			    ?line Loopback = {0,0,0,0,0,0,0,1},
+			    ?line io:format("~s ~p~n", ["Loopback",Loopback]),
+			    ?line implicit_inet6(S1, Loopback),
+			    ?line ok = gen_sctp:close(S1),
+			    %%
+			    ?line Localhost =
+				ok(inet:getaddr("localhost", inet6)),
+			    ?line io:format("~s ~p~n", ["localhost",Localhost]),
+			    ?line S2 =
+				ok(gen_sctp:open(0, [{ip,Localhost}])),
+			    ?line implicit_inet6(S2, Localhost),
+			    ?line ok = gen_sctp:close(S2),
+			    %%
+			    ?line io:format("~s ~p~n", [Hostname,Host]),
+			    ?line S3 =
+				ok(gen_sctp:open(0, [{ifaddr,Host}])),
+			    ?line implicit_inet6(S3, Host),
+			    ?line ok = gen_sctp:close(S1);
+			{error,eafnosupport} ->
+			    ?line ok = gen_sctp:close(S1),
+			    {skip,"Can not look up IPv6 address"}
+		    end;
+	    _ ->
+		{skip,"IPv6 not supported"}
+	end.
+
+implicit_inet6(S1, Addr) ->
+    ?line ok = gen_sctp:listen(S1, true),
+    ?line P1 = ok(inet:port(S1)),
+    ?line S2 = ok(gen_sctp:open(0, [inet6])),
+    ?line P2 = ok(inet:port(S2)),
+    ?line #sctp_assoc_change{state=comm_up} =
+	ok(gen_sctp:connect(S2, Addr, P1, [])),
+    ?line case ok(gen_sctp:recv(S1)) of
+	      {Addr,P2,[],#sctp_assoc_change{state=comm_up}} ->
+		  ok
+	  end,
+    ?line case ok(inet:sockname(S1)) of
+	      {Addr,P1} -> ok;
+	      {{0,0,0,0,0,0,0,0},P1} -> ok
+	  end,
+    ?line case ok(inet:sockname(S2)) of
+	      {Addr,P2} -> ok;
+	      {{0,0,0,0,0,0,0,0},P2} -> ok
+	  end,
+    ?line ok = gen_sctp:close(S2).