test1323: verify curlx_tvdiff

2 files changed, 71 insertions, 1 deletions

diff --git a/tests/unit/Makefile.inc b/tests/unit/Makefile.inc
index 1320b4a67..bfb5c4d45 100644
--- a/tests/unit/Makefile.inc
+++ b/tests/unit/Makefile.inc
@@ -6,7 +6,8 @@ UNITFILES = curlcheck.h \
 
 # These are all unit test programs
 UNITPROGS = unit1300 unit1301 unit1302 unit1303 unit1304 unit1305 unit1307	\
- unit1308 unit1309 unit1330 unit1394 unit1395 unit1396 unit1397 unit1398	\
+ unit1308 unit1309 unit1323 \
+ unit1330 unit1394 unit1395 unit1396 unit1397 unit1398	\
  unit1399	\
  unit1600 unit1601 unit1602 unit1603 unit1604 unit1605 unit1606
 
@@ -37,6 +38,9 @@ unit1308_CPPFLAGS = $(AM_CPPFLAGS)
 unit1309_SOURCES = unit1309.c $(UNITFILES)
 unit1309_CPPFLAGS = $(AM_CPPFLAGS)
 
+unit1323_SOURCES = unit1323.c $(UNITFILES)
+unit1323_CPPFLAGS = $(AM_CPPFLAGS)
+
 unit1330_SOURCES = unit1330.c $(UNITFILES)
 unit1330_CPPFLAGS = $(AM_CPPFLAGS)
 
diff --git a/tests/unit/unit1323.c b/tests/unit/unit1323.c
new file mode 100644
index 000000000..65dd3d287
--- /dev/null
+++ b/tests/unit/unit1323.c
@@ -0,0 +1,66 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "curlcheck.h"
+
+#include "timeval.h"
+
+static CURLcode unit_setup(void)
+{
+  return CURLE_OK;
+}
+
+static void unit_stop(void)
+{
+
+}
+
+struct a {
+  struct curltime first;
+  struct curltime second;
+  time_t result;
+};
+
+UNITTEST_START
+{
+  struct a tests[] = {
+    { {36762, 8345 }, {36761, 995926 }, 13 },
+    { {36761, 995926 }, {36762, 8345 }, -13 },
+    { {36761, 995926 }, {0, 0}, 36761995 },
+    { {0, 0}, {36761, 995926 }, -36761995 },
+  };
+  size_t i;
+
+  for(i=0; i < sizeof(tests)/sizeof(tests[0]); i++) {
+    time_t result = curlx_tvdiff(tests[i].first, tests[i].second);
+    if(result != tests[i].result) {
+      printf("%d.%06u to %d.%06u got %d, but expected %d\n",
+             tests[i].first.tv_sec,
+             tests[i].first.tv_usec,
+             tests[i].second.tv_sec,
+             tests[i].second.tv_usec,
+             result,
+             tests[i].result);
+      fail("unexpected result!");
+    }
+  }
+}
+UNITTEST_STOP