1 files changed, 50 insertions, 0 deletions
diff --git a/tests/test_tio_timeout.c b/tests/test_tio_timeout.c
new file mode 100644
index 0000000..18d8d4f
--- /dev/null
+++ b/tests/test_tio_timeout.c
@@ -0,0 +1,50 @@
+/*
+   test_tio_timeout.c - tests for tio deadline calculations
+   This file is part of the nss-pam-ldapd library.
+
+   Copyright (C) 2013 Arthur de Jong
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301 USA
+*/
+
+/* we include the source because we want to test static methods */
+#include "../common/tio.c"
+
+#include <assert.h>
+
+int main(int UNUSED(argc), char UNUSED(*argv[]))
+{
+  struct timespec deadline = {0, 0};
+  int timeout = 100 * 1000;
+  int sleeptime = 1000;
+  int low = -100;
+  int high = 200;
+  int res;
+  int ok;
+  /* initialise deadline */
+  assert(tio_time_remaining(&deadline, timeout) == timeout);
+  /* wait one second */
+  sleep(sleeptime / 1000);
+  /* re-calculate the deadline */
+  res = tio_time_remaining(&deadline, timeout);
+  /* it should be timeout - sleeptime */
+  res = timeout - sleeptime - res;
+  ok = (res > low) && (res < high);
+  printf("%s: %d msec difference (%swithin %d...%d msec)\n",
+         ok ? "OK" : "FAIL", res, ok ? "" : "NOT ",
+         low, high);
+  return !ok;
+}