fchdir: fix logic bugs

[gnulib.git] / tests / test-fchdir.c

diff --git a/tests/test-fchdir.c b/tests/test-fchdir.c
index 53d6631..0419f43 100644 (file)
--- a/tests/test-fchdir.c
+++ b/tests/test-fchdir.c
@@ -26,6 +26,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "cloexec.h"
+
 #define ASSERT(expr) \
   do                                                                        \
     {                                                                       \
@@ -82,7 +84,11 @@ main (void)
          int new_fd = dup (fd);
          ASSERT (0 <= new_fd);
          ASSERT (close (fd) == 0);
-         fd = new_fd;
+         ASSERT (dup2 (new_fd, fd) == fd);
+         ASSERT (close (new_fd) == 0);
+         ASSERT (dup_cloexec (fd) == new_fd);
+         ASSERT (dup2 (new_fd, fd) == fd);
+         ASSERT (close (new_fd) == 0);
        }
     }