+unsigned int socket_wrapper_default_iface(void);
+static bool test_socket_wrapper_default_iface(struct torture_context *tctx)
+{
+ backup_env();
+ unsetenv("SOCKET_WRAPPER_DEFAULT_IFACE");
+ torture_assert_int_equal(tctx, socket_wrapper_default_iface(), 1, "unset");
+ setenv("SOCKET_WRAPPER_DEFAULT_IFACE", "2", 1);
+ torture_assert_int_equal(tctx, socket_wrapper_default_iface(), 2, "unset");
+ setenv("SOCKET_WRAPPER_DEFAULT_IFACE", "bla", 1);
+ torture_assert_int_equal(tctx, socket_wrapper_default_iface(), 1, "unset");
+ restore_env();
+ return true;
+}
+