Do not reopen temporary files

[deliverable/binutils-gdb.git] / gdb / unittests / scoped_fd-selftests.c

diff --git a/gdb/unittests/scoped_fd-selftests.c b/gdb/unittests/scoped_fd-selftests.c
index fb6a0d675dd58574629230df1f124b3175c387ee..6a9c727477da787ae99d8e9b809d47154d700a23 100644 (file)
--- a/gdb/unittests/scoped_fd-selftests.c
+++ b/gdb/unittests/scoped_fd-selftests.c
@@ -65,12 +65,29 @@ test_release ()
   SELF_CHECK (close (fd) == 0 || errno != EBADF);
 }
 
+/* Test that the file descriptor can be converted to a FILE *.  */
+static void
+test_to_file ()
+{
+  char filename[] = "scoped_fd-selftest-XXXXXX";
+
+  ::scoped_fd sfd (gdb_mkostemp_cloexec (filename));
+  SELF_CHECK (sfd.get () >= 0);
+
+  unlink (filename);
+  
+  gdb_file_up file = sfd.to_file ("rw");
+  SELF_CHECK (file != nullptr);
+  SELF_CHECK (sfd.get () == -1);
+}
+
 /* Run selftests.  */
 static void
 run_tests ()
 {
   test_destroy ();
   test_release ();
+  test_to_file ();
 }
 
 } /* namespace scoped_fd */