/* Test strlen functions.
- Copyright (C) 1999-2017 Free Software Foundation, Inc.
+ Copyright (C) 1999-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Jakub Jelinek <jakub@redhat.com>, 1999.
}
}
+/* Tests meant to unveil fail on implementation that does not access bytes
+ around the page boundary accordingly. */
+static void
+do_page_tests (void)
+{
+ size_t i, exp_len, start_offset, offset;
+ /* Calculate the null character offset. */
+ size_t last_offset = (page_size / sizeof (CHAR)) - 1;
+
+ CHAR *s = (CHAR *) buf2;
+ memset (s, 65, (last_offset - 1));
+ s[last_offset] = 0;
+
+ /* Place short strings ending at page boundary. */
+ offset = last_offset;
+ for (i = 0; i < 128; i++)
+ {
+ /* Decrease offset to stress several sizes and alignments. */
+ offset--;
+ exp_len = last_offset - offset;
+ FOR_EACH_IMPL (impl, 0)
+ {
+ /* Varies maxlen value to cover the cases where it is:
+ - larger than length;
+ - slightly greater than length;
+ - equal to length;
+ - slightly less than length. */
+ do_one_test (impl, (CHAR *) (s + offset), page_size, exp_len);
+ do_one_test (impl, (CHAR *) (s + offset), exp_len + 1, exp_len);
+ do_one_test (impl, (CHAR *) (s + offset), exp_len, exp_len);
+ if (exp_len > 0)
+ do_one_test (impl, (CHAR *) (s + offset), exp_len - 1, exp_len - 1);
+ }
+ }
+
+ /* Place long strings ending at page boundary. */
+ start_offset = (last_offset + 1) / 2;
+ for (i = 0; i < 64; ++i)
+ {
+ /* Increase offset to stress several alignments. */
+ offset = start_offset + i;
+ if (offset >= (last_offset + 1))
+ break;
+ exp_len = last_offset - offset;
+ FOR_EACH_IMPL (impl, 0)
+ {
+ /* Checks only for maxlen much larger than length because smaller
+ values are already covered in do_random_tests function. */
+ do_one_test (impl, (CHAR *) (s + offset), page_size, exp_len);
+ }
+ }
+}
+
int
test_main (void)
{
}
do_random_tests ();
+ do_page_tests ();
return ret;
}
-#include "../test-skeleton.c"
+#include <support/test-driver.c>