Add memchr tests for n == 0

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

1 files changed, 4 insertions, 0 deletions

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);