New upstream version 1.3upstream/1.3upstream

1 files changed, 41 insertions, 4 deletions

diff --git a/tests/test-sys_socket.c b/tests/test-sys_socket.c
index 4e0f9ad4..5c1ad115 100644
--- a/tests/test-sys_socket.c
+++ b/tests/test-sys_socket.c
@@ -20,10 +20,8 @@
 
 #include <sys/socket.h>
 
-#if HAVE_SHUTDOWN
-/* Check some integer constant expressions.  */
-int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR };
-#endif
+/* POSIX mandates that AF_UNSPEC shall be 0.  */
+static_assert (AF_UNSPEC == 0);
 
 /* Check that the 'socklen_t' type is defined.  */
 socklen_t t1;
@@ -40,6 +38,16 @@ struct msghdr msg;
 
 #include <errno.h>
 
+#include "intprops.h"
+
+/* POSIX requires that 'socklen_t' is an integer type with a width of at
+   least 32 bits.  */
+static_assert (32 <= TYPE_WIDTH (socklen_t));
+
+/* POSIX requires that sa_family_t is an unsigned integer type.  */
+static_assert (! TYPE_SIGNED (sa_family_t));
+
+
 int
 main (void)
 {
@@ -59,6 +67,35 @@ main (void)
       break;
     }
 
+  /* Check that each supported address family has a distinct value.  */
+  switch (0)
+    {
+    case AF_UNSPEC:
+#if HAVE_IPV4
+    case AF_INET:
+#endif
+#if HAVE_IPV6
+    case AF_INET6:
+#endif
+#if HAVE_UNIXSOCKET
+    case AF_UNIX:
+#endif
+    default:
+      break;
+    }
+
+  /* Check that the shutdown type macros are defined to distinct values.  */
+#if HAVE_SHUTDOWN
+  switch (0)
+    {
+    case SHUT_RD:
+    case SHUT_WR:
+    case SHUT_RDWR:
+    default:
+      break;
+    }
+#endif
+
   x.ss_family = 42;
   i = 42;
   msg.msg_iov = &io;