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/*
* Copyright © 2019 Red Hat
*
* 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 <gtest/gtest.h>
#include "util/bitset.h"
TEST(bitset, sizes)
{
EXPECT_EQ(sizeof(BITSET_WORD), 4);
BITSET_DECLARE(mask32, 32);
BITSET_DECLARE(mask64, 64);
BITSET_DECLARE(mask128, 128);
EXPECT_EQ(sizeof(mask32), 4);
EXPECT_EQ(sizeof(mask64), 8);
EXPECT_EQ(sizeof(mask128), 16);
}
TEST(bitset, testsetclear)
{
BITSET_DECLARE(mask128, 128);
BITSET_ZERO(mask128);
for (int i = 0; i < 128; i++) {
EXPECT_EQ(BITSET_TEST(mask128, i), false);
BITSET_SET(mask128, i);
EXPECT_EQ(BITSET_TEST(mask128, i), true);
BITSET_CLEAR(mask128, i);
EXPECT_EQ(BITSET_TEST(mask128, i), false);
}
}
TEST(bitset, testsetones)
{
BITSET_DECLARE(mask128, 128);
BITSET_ONES(mask128);
EXPECT_EQ(BITSET_FFS(mask128), 1);
for (int i = 0; i < 128; i++) {
EXPECT_EQ(BITSET_TEST(mask128, i), true);
BITSET_CLEAR(mask128, i);
EXPECT_EQ(BITSET_TEST(mask128, i), false);
BITSET_SET(mask128, i);
EXPECT_EQ(BITSET_TEST(mask128, i), true);
}
}
TEST(bitset, testbasicrange)
{
BITSET_DECLARE(mask128, 128);
BITSET_ZERO(mask128);
const int max_set = 15;
BITSET_SET_RANGE(mask128, 0, max_set);
EXPECT_EQ(BITSET_TEST_RANGE(mask128, 0, max_set), true);
EXPECT_EQ(BITSET_TEST_RANGE(mask128, max_set + 1, max_set + 15), false);
for (int i = 0; i < 128; i++) {
if (i <= max_set)
EXPECT_EQ(BITSET_TEST(mask128, i), true);
else
EXPECT_EQ(BITSET_TEST(mask128, i), false);
}
BITSET_CLEAR_RANGE(mask128, 0, max_set);
EXPECT_EQ(BITSET_TEST_RANGE(mask128, 0, max_set), false);
for (int i = 0; i < 128; i++) {
EXPECT_EQ(BITSET_TEST(mask128, i), false);
}
}
TEST(bitset, testbitsetffs)
{
BITSET_DECLARE(mask128, 128);
BITSET_ZERO(mask128);
EXPECT_EQ(BITSET_FFS(mask128), 0);
BITSET_SET(mask128, 14);
EXPECT_EQ(BITSET_FFS(mask128), 15);
BITSET_SET(mask128, 28);
EXPECT_EQ(BITSET_FFS(mask128), 15);
BITSET_CLEAR(mask128, 14);
EXPECT_EQ(BITSET_FFS(mask128), 29);
BITSET_SET_RANGE(mask128, 14, 18);
EXPECT_EQ(BITSET_FFS(mask128), 15);
}
TEST(bitset, testrangebits)
{
BITSET_DECLARE(mask128, 128);
BITSET_ZERO(mask128);
BITSET_SET_RANGE(mask128, 0, 31);
BITSET_SET_RANGE(mask128, 32, 63);
BITSET_SET_RANGE(mask128, 64, 95);
BITSET_SET_RANGE(mask128, 96, 127);
EXPECT_EQ(BITSET_TEST_RANGE(mask128, 0, 31), true);
EXPECT_EQ(BITSET_TEST_RANGE(mask128, 32, 63), true);
EXPECT_EQ(BITSET_TEST_RANGE(mask128, 64, 95), true);
EXPECT_EQ(BITSET_TEST_RANGE(mask128, 96, 127), true);
for (int i = 0; i < 128; i++) {
EXPECT_EQ(BITSET_TEST(mask128, i), true);
}
}
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