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/* Unit tests for dl-hwcaps.c.
Copyright (C) 2020-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <array_length.h>
#include <dl-hwcaps.h>
#include <string.h>
#include <support/check.h>
static void
check_split_masked (const char *input, int32_t bitmask, const char *mask,
const char *expected[], size_t expected_length)
{
struct dl_hwcaps_split_masked split;
_dl_hwcaps_split_masked_init (&split, input, bitmask, mask);
size_t index = 0;
while (_dl_hwcaps_split_masked (&split))
{
TEST_VERIFY_EXIT (index < expected_length);
TEST_COMPARE_BLOB (expected[index], strlen (expected[index]),
split.split.segment, split.split.length);
++index;
}
TEST_COMPARE (index, expected_length);
}
static void
check_split (const char *input,
const char *expected[], size_t expected_length)
{
struct dl_hwcaps_split split;
_dl_hwcaps_split_init (&split, input);
size_t index = 0;
while (_dl_hwcaps_split (&split))
{
TEST_VERIFY_EXIT (index < expected_length);
TEST_COMPARE_BLOB (expected[index], strlen (expected[index]),
split.segment, split.length);
++index;
}
TEST_COMPARE (index, expected_length);
/* Reuse the test cases with masking that does not actually remove
anything. */
check_split_masked (input, -1, NULL, expected, expected_length);
check_split_masked (input, -1, input, expected, expected_length);
}
static int
do_test (void)
{
/* Splitting tests, without masking. */
check_split (NULL, NULL, 0);
check_split ("", NULL, 0);
check_split (":", NULL, 0);
check_split ("::", NULL, 0);
{
const char *expected[] = { "first" };
check_split ("first", expected, array_length (expected));
check_split (":first", expected, array_length (expected));
check_split ("first:", expected, array_length (expected));
check_split (":first:", expected, array_length (expected));
}
{
const char *expected[] = { "first", "second" };
check_split ("first:second", expected, array_length (expected));
check_split ("first::second", expected, array_length (expected));
check_split (":first:second", expected, array_length (expected));
check_split ("first:second:", expected, array_length (expected));
check_split (":first:second:", expected, array_length (expected));
}
/* Splitting tests with masking. */
{
const char *expected[] = { "first" };
check_split_masked ("first", 3, "first:second",
expected, array_length (expected));
check_split_masked ("first:second", 3, "first:",
expected, array_length (expected));
check_split_masked ("first:second", 1, NULL,
expected, array_length (expected));
}
{
const char *expected[] = { "second" };
check_split_masked ("first:second", 3, "second",
expected, array_length (expected));
check_split_masked ("first:second:third", -1, "second:",
expected, array_length (expected));
check_split_masked ("first:second", 2, NULL,
expected, array_length (expected));
check_split_masked ("first:second:third", 2, "first:second",
expected, array_length (expected));
}
/* Tests for _dl_hwcaps_contains. */
TEST_VERIFY (_dl_hwcaps_contains (NULL, "first", strlen ("first")));
TEST_VERIFY (_dl_hwcaps_contains (NULL, "", 0));
TEST_VERIFY (! _dl_hwcaps_contains ("", "first", strlen ("first")));
TEST_VERIFY (! _dl_hwcaps_contains ("firs", "first", strlen ("first")));
TEST_VERIFY (_dl_hwcaps_contains ("firs", "first", strlen ("first") - 1));
for (int i = 0; i < strlen ("first"); ++i)
TEST_VERIFY (! _dl_hwcaps_contains ("first", "first", i));
TEST_VERIFY (_dl_hwcaps_contains ("first", "first", strlen ("first")));
TEST_VERIFY (_dl_hwcaps_contains ("first:", "first", strlen ("first")));
TEST_VERIFY (_dl_hwcaps_contains ("first:second",
"first", strlen ("first")));
TEST_VERIFY (_dl_hwcaps_contains (":first:second", "first",
strlen ("first")));
TEST_VERIFY (_dl_hwcaps_contains ("first:second", "second",
strlen ("second")));
TEST_VERIFY (_dl_hwcaps_contains ("first:second:", "second",
strlen ("second")));
TEST_VERIFY (_dl_hwcaps_contains ("first::second:", "second",
strlen ("second")));
TEST_VERIFY (_dl_hwcaps_contains ("first:second::", "second",
strlen ("second")));
for (int i = 0; i < strlen ("second"); ++i)
{
TEST_VERIFY (!_dl_hwcaps_contains ("first:second", "second", i));
TEST_VERIFY (!_dl_hwcaps_contains ("first:second:", "second", i));
TEST_VERIFY (!_dl_hwcaps_contains ("first:second::", "second", i));
TEST_VERIFY (!_dl_hwcaps_contains ("first::second", "second", i));
}
return 0;
}
#include <support/test-driver.c>
/* Rebuild the sources here because the object file is built for
inclusion into the dynamic loader. */
#include "dl-hwcaps_split.c"
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