1 files changed, 121 insertions, 0 deletions
diff --git a/tests/get-units-invalid.c b/tests/get-units-invalid.c
new file mode 100644
index 00000000..155e12db
--- /dev/null
+++ b/tests/get-units-invalid.c
@@ -0,0 +1,121 @@
+/* Test cudie and subdie properties.
+   Copyright (C) 2018 Red Hat, Inc.
+   This file is part of elfutils.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   elfutils is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <dwarf.h>
+#include ELFUTILS_HEADER(dw)
+#include <stdio.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+
+int
+main (int argc, char *argv[])
+{
+  for (int i = 1; i < argc; i++)
+    {
+      printf ("file: %s\n", argv[i]);
+      int fd = open (argv[i], O_RDONLY);
+      Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
+      if (dbg == NULL)
+	{
+	  printf ("%s not usable: %s\n", argv[i], dwarf_errmsg (-1));
+	  return -1;
+	}
+
+      Dwarf_CU *cu = NULL;
+      Dwarf_Die cudie, subdie;
+      uint8_t unit_type;
+      while (dwarf_get_units (dbg, cu, &cu, NULL,
+			      &unit_type, &cudie, &subdie) == 0)
+	{
+	  printf ("Got cudie: %s, unit_type: %" PRIx8 "\n",
+		  dwarf_diename (&cudie), unit_type);
+
+	  int tag = dwarf_tag (&subdie);
+	  if (unit_type == DW_UT_compile)
+	    {
+	      if (tag != DW_TAG_invalid)
+		{
+		  printf ("Not invalid: %x\n", dwarf_tag (&subdie));
+		  return -1;
+		}
+	      if (dwarf_diename (&subdie) != NULL)
+		{
+		  printf ("Should have NULL name: %s\n",
+			  dwarf_diename (&subdie));
+		  return -1;
+		}
+	      Dwarf_Die result;
+	      if (dwarf_siblingof (&subdie, &result) != -1)
+		{
+		  printf ("Should NOT have a valid sibling: %s\n",
+			  dwarf_diename (&result));
+		  return -1;
+		}
+	      if (dwarf_child (&subdie, &result) != -1)
+		{
+		  printf ("Should NOT have a valid child: %s\n",
+			  dwarf_diename (&result));
+		  return -1;
+		}
+	      Dwarf_Addr base, start, end;
+	      if (dwarf_ranges (&subdie, 0, &base, &start, &end) != -1)
+		{
+		  printf ("Should NOT have a ranges: %s\n",
+			  dwarf_diename (&subdie));
+		  return -1;
+		}
+	      if (dwarf_cuoffset (&subdie) != (Dwarf_Off) -1)
+		{
+		  printf ("Should NOT have a cuoffset: %s\n",
+			  dwarf_diename (&subdie));
+		  return -1;
+		}
+	      if (dwarf_dieoffset (&subdie) != (Dwarf_Off) -1)
+		{
+		  printf ("Should NOT have a die offset: %s\n",
+			  dwarf_diename (&subdie));
+		  return -1;
+		}
+	      if (dwarf_getabbrev (&subdie, 0, NULL) != NULL)
+		{
+		  printf ("Should NOT have an abbrev: %s\n",
+			  dwarf_diename (&subdie));
+		  return -1;
+		}
+	    }
+	  else if (unit_type == DW_UT_type)
+	    printf ("subdie: %s\n", dwarf_diename (&subdie));
+	  else
+	    printf ("subdie tag: %x\n", dwarf_tag (&subdie));
+	}
+
+      dwarf_end (dbg);
+      close (fd);
+
+      printf ("\n");
+    }
+
+  return 0;
+}