tests/unit: Update test-io-channel-socket.c for Windows

Change to dynamically include the test cases by checking AF_UNIX
availability using a new helper socket_check_afunix_support().
With such changes testing on a Windows host can be covered as well.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220802075200.907360-5-bmeng.cn@gmail.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/unit/socket-helpers.c b/tests/unit/socket-helpers.c
index 5af4de513b..eecadf3a3c 100644
--- a/tests/unit/socket-helpers.c
+++ b/tests/unit/socket-helpers.c
@@ -154,3 +154,19 @@ int socket_check_protocol_support(bool *has_ipv4, bool *has_ipv6)
 
     return 0;
 }
+
+void socket_check_afunix_support(bool *has_afunix)
+{
+    int fd;
+
+    fd = socket(PF_UNIX, SOCK_STREAM, 0);
+    closesocket(fd);
+
+#ifdef _WIN32
+    *has_afunix = (fd != (int)INVALID_SOCKET);
+#else
+    *has_afunix = (fd >= 0);
+#endif
+
+    return;
+}