parse-datetime: fix failure to diagnose invalid input

[gnulib.git] / tests / test-parse-datetime.c

diff --git a/tests/test-parse-datetime.c b/tests/test-parse-datetime.c
index 4c0370d..1c9fd2d 100644 (file)
--- a/tests/test-parse-datetime.c
+++ b/tests/test-parse-datetime.c
@@ -409,5 +409,9 @@ main (int argc _GL_UNUSED, char **argv)
   ASSERT (result.tv_sec == 24 * 3600
           && result.tv_nsec == now.tv_nsec);
 
+  /* Exercise a sign-extension bug.  Before July 2012, an input
+     starting with a high-bit-set byte would be treated like "0".  */
+  ASSERT ( ! parse_datetime (&result, "\xb0", &now));
+
   return 0;
 }