1 files changed, 97 insertions, 0 deletions
diff --git a/tests/dwfl-report-offline-memory.c b/tests/dwfl-report-offline-memory.c
new file mode 100644
index 00000000..837aca5e
--- /dev/null
+++ b/tests/dwfl-report-offline-memory.c
@@ -0,0 +1,97 @@
+/* Test program for dwfl_report_offline_memory.
+   Copyright (C) 2022 Google LLC
+   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/>.  */
+
+#include <assert.h>
+#include <config.h>
+#include <fcntl.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdio_ext.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include ELFUTILS_HEADER(dwfl)
+#include "system.h"
+
+
+static const Dwfl_Callbacks offline_callbacks =
+  {
+    .find_debuginfo = INTUSE(dwfl_standard_find_debuginfo),
+    .section_address = INTUSE(dwfl_offline_section_address),
+  };
+
+static int
+count_modules (Dwfl_Module *mod __attribute__ ((unused)),
+	       void **userdata __attribute__ ((unused)),
+	       const char *name __attribute__ ((unused)),
+	       Dwarf_Addr base __attribute__ ((unused)), void *arg)
+{
+  unsigned long long *counter = arg;
+  ++(*counter);
+  return DWARF_CB_OK;
+}
+
+int
+main (int argc, char **argv)
+{
+  /* We use no threads here which can interfere with handling a stream.  */
+  (void) __fsetlocking (stdout, FSETLOCKING_BYCALLER);
+
+  /* Set locale.  */
+  (void) setlocale (LC_ALL, "");
+
+  if (argc != 3)
+    error (-1, 0,
+	   "usage: dwfl_report_offline_memory [filename] "
+	   "[expected number of modules]");
+
+  const char *fname = argv[1];
+  int fd = open (fname, O_RDONLY);
+  if (fd < 0)
+    error (-1, 0, "can't open file %s: %s", fname, strerror (errno));
+  size_t size = lseek (fd, 0, SEEK_END);
+  lseek (fd, 0, SEEK_SET);
+  char *data = malloc (size);
+  size_t bytes_read = read (fd, data, size);
+  assert (bytes_read == size);
+  close (fd);
+
+  Dwfl *dwfl = dwfl_begin (&offline_callbacks);
+  assert (dwfl != NULL);
+
+  Dwfl_Module *mod =
+      dwfl_report_offline_memory (dwfl, argv[1], argv[1], data, size);
+  assert (mod != NULL);
+  dwfl_report_end (dwfl, NULL, NULL);
+
+  unsigned long long number_of_modules = 0;
+  ptrdiff_t offset =
+      dwfl_getmodules (dwfl, &count_modules, &number_of_modules, 0);
+  if (offset < 0)
+    error (1, 0, "dwfl_getmodules: %s", dwfl_errmsg (-1));
+  assert (offset == 0);
+
+  char *endptr;
+  unsigned long long expected_number_of_modules =
+      strtoull (argv[2], &endptr, 0);
+  assert (endptr && !*endptr);
+  assert (number_of_modules == expected_number_of_modules);
+
+  dwfl_end (dwfl);
+  free (data);
+
+  return 0;
+}