Add memchr tests for n == 0

	* string/test-memchr.c (test_main): Add tests for n == 0.

2 files changed, 8 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index dd814acd4b..99efccf6a0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-05-25  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* string/test-memchr.c (test_main): Add tests for n == 0.
+
 2017-05-25  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
 
 	* nptl/Makefile (tests): Move nptl/tst-mutex8, nptl/tst-mutex8-static,
diff --git a/string/test-memchr.c b/string/test-memchr.c
index 669e092e7d..73a93f0fc9 100644
--- a/string/test-memchr.c
+++ b/string/test-memchr.c
@@ -179,6 +179,10 @@ test_main (void)
 
   for (i = 1; i < 8; ++i)
     {
+      /* Test n == 0.  */
+      do_test (i, i, 0, 0, 23);
+      do_test (i, i, 0, 0, 0);
+
       do_test (0, 16 << i, 2048, 2048, 23);
       do_test (i, 64, 256, 256, 23);
       do_test (0, 16 << i, 2048, 2048, 0);