libei/src/util-bits.c
2023-03-03 11:16:48 +10:00

140 lines
4.2 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2022 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "util-bits.h"
#if _enable_tests_
#include "util-munit.h"
MUNIT_TEST(test_bits_flag_32)
{
uint32_t mask = 0;
munit_assert_true(flag_fits(mask, 0));
munit_assert_true(flag_fits(mask, 31));
munit_assert_false(flag_fits(mask, 32));
munit_assert_false(flag_fits(mask, -1));
flag_set(mask, 0);
munit_assert_true(flag_is_set(mask, 0));
munit_assert_false(flag_is_set(mask, 31));
munit_assert_false(flag_is_set(mask, 32));
flag_set(mask, 31);
munit_assert_true(flag_is_set(mask, 0));
munit_assert_true(flag_is_set(mask, 31));
munit_assert_false(flag_is_set(mask, 32));
flag_set(mask, 32); /* silently ignored */
munit_assert_true(flag_is_set(mask, 0));
munit_assert_true(flag_is_set(mask, 31));
munit_assert_false(flag_is_set(mask, 32));
munit_assert_int(mask, ==, 0x80000001);
flag_clear(mask, 0);
munit_assert_false(flag_is_set(mask, 0));
munit_assert_true(flag_is_set(mask, 31));
munit_assert_false(flag_is_set(mask, 32));
flag_clear(mask, 31);
munit_assert_false(flag_is_set(mask, 0));
munit_assert_false(flag_is_set(mask, 31));
munit_assert_false(flag_is_set(mask, 32));
flag_clear(mask, 32);
munit_assert_false(flag_is_set(mask, 0));
munit_assert_false(flag_is_set(mask, 31));
munit_assert_false(flag_is_set(mask, 32));
return MUNIT_OK;
}
MUNIT_TEST(test_bits_flag_8)
{
uint8_t mask = 0;
munit_assert_true(flag_fits(mask, 0));
munit_assert_true(flag_fits(mask, 7));
munit_assert_false(flag_fits(mask, 8));
munit_assert_false(flag_fits(mask, -1));
flag_set(mask, 0);
munit_assert_true(flag_is_set(mask, 0));
munit_assert_false(flag_is_set(mask, 7));
munit_assert_false(flag_is_set(mask, 8));
flag_set(mask, 7);
munit_assert_true(flag_is_set(mask, 0));
munit_assert_true(flag_is_set(mask, 7));
munit_assert_false(flag_is_set(mask, 8));
flag_set(mask, 8); /* silently ignored */
munit_assert_true(flag_is_set(mask, 0));
munit_assert_true(flag_is_set(mask, 7));
munit_assert_false(flag_is_set(mask, 8));
munit_assert_int(mask, ==, 0x81);
flag_clear(mask, 0);
munit_assert_false(flag_is_set(mask, 0));
munit_assert_true(flag_is_set(mask, 7));
munit_assert_false(flag_is_set(mask, 8));
flag_clear(mask, 7);
munit_assert_false(flag_is_set(mask, 0));
munit_assert_false(flag_is_set(mask, 7));
munit_assert_false(flag_is_set(mask, 8));
flag_clear(mask, 8);
munit_assert_false(flag_is_set(mask, 0));
munit_assert_false(flag_is_set(mask, 7));
munit_assert_false(flag_is_set(mask, 8));
return MUNIT_OK;
}
MUNIT_TEST(test_bits_mask)
{
munit_assert_true(mask_any(5, 3));
munit_assert_true(mask_any(5, 1));
munit_assert_false(mask_any(5, 2));
munit_assert_true(mask_all(5, 5));
munit_assert_true(mask_all(5, 1));
munit_assert_true(mask_all(5, 4));
munit_assert_false(mask_all(5, 6));
munit_assert_false(mask_all(5, 3));
munit_assert_true(mask_all(13, 5));
munit_assert_true(mask_all(13, 12));
munit_assert_true(mask_none(21, 10));
munit_assert_false(mask_none(21, 5));
uint8_t mask = 0;
mask_add(mask, 5);
munit_assert_int(mask, ==, 5);
mask_add(mask, 2);
munit_assert_int(mask, ==, 7);
mask_remove(mask, 2);
munit_assert_int(mask, ==, 5);
return MUNIT_OK;
}
#endif