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-rw-r--r--ChangeLog6
-rw-r--r--string/test-memrchr.c17
2 files changed, 23 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index bbc21ab..bd530a8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2017-06-08 H.J. Lu <hongjiu.lu@intel.com>
+
+ * string/test-memrchr.c (test_main): Add tests for len == 0
+ and tests for positions close to the beginning, which are
+ equivalent to positions close to the end for memchr.
+
2017-06-07 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86_64/multiarch/ifunc-impl-list.c: Update
diff --git a/string/test-memrchr.c b/string/test-memrchr.c
index bfc9920..15483f5 100644
--- a/string/test-memrchr.c
+++ b/string/test-memrchr.c
@@ -151,15 +151,32 @@ test_main (void)
for (i = 1; i < 8; ++i)
{
+ /* Test len == 0. */
+ do_test (i, i, 0, 0);
+ do_test (i, i, 0, 23);
+
do_test (0, 16 << i, 2048, 23);
do_test (i, 64, 256, 23);
do_test (0, 16 << i, 2048, 0);
do_test (i, 64, 256, 0);
+
+ do_test (0, i, 256, 23);
+ do_test (0, i, 256, 0);
+ do_test (i, i, 256, 23);
+ do_test (i, i, 256, 0);
+
}
for (i = 1; i < 32; ++i)
{
do_test (0, i, i + 1, 23);
do_test (0, i, i + 1, 0);
+ do_test (i, i, i + 1, 23);
+ do_test (i, i, i + 1, 0);
+
+ do_test (0, 1, i + 1, 23);
+ do_test (0, 2, i + 1, 0);
+ do_test (i, 1, i + 1, 23);
+ do_test (i, 2, i + 1, 0);
}
do_random_tests ();