mirror of
https://github.com/Bareflank/hypervisor
synced 2026-08-17 06:23:04 -04:00
4736df450a
The following changes support the EAPIs, as well as provide consistency across the projects. Signed-off-by: “rianquinn” <“rianquinn@gmail.com”>
120 lines
3.5 KiB
C++
120 lines
3.5 KiB
C++
//
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// Bareflank Hypervisor
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// Copyright (C) 2015 Assured Information Security, Inc.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#include <catch/catch.hpp>
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#include <bfbitmanip.h>
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TEST_CASE("set bit")
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{
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CHECK(set_bit(0x00000000U, 0) == 0x00000001U);
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CHECK(set_bit(0x00000000U, 8) == 0x00000100U);
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}
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TEST_CASE("clear bit")
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{
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CHECK(clear_bit(0xFFFFFFFFU, 0) == 0xFFFFFFFEU);
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CHECK(clear_bit(0xFFFFFFFFU, 8) == 0xFFFFFEFFU);
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}
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TEST_CASE("get bit")
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{
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CHECK(get_bit(0xFFFFFFFFU, 0) == 1);
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CHECK(get_bit(0x00000000U, 0) == 0);
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CHECK(get_bit(0xFFFFFFFFU, 8) == 1);
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CHECK(get_bit(0x00000000U, 8) == 0);
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}
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TEST_CASE("is bit set")
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{
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CHECK(is_bit_set(0xFFFFFFFFU, 0));
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CHECK(!is_bit_set(0x00000000U, 0));
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CHECK(is_bit_set(0xFFFFFFFFU, 8));
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CHECK(!is_bit_set(0x00000000U, 8));
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}
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TEST_CASE("is bit cleared")
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{
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CHECK(!is_bit_cleared(0xFFFFFFFFU, 0));
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CHECK(is_bit_cleared(0x00000000U, 0));
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CHECK(!is_bit_cleared(0xFFFFFFFFU, 8));
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CHECK(is_bit_cleared(0x00000000U, 8));
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}
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TEST_CASE("num bits set")
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{
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CHECK(num_bits_set(0xFFFFFFFFU) == 32);
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CHECK(num_bits_set(0x00000000U) == 0);
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}
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TEST_CASE("get bits")
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{
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CHECK(get_bits(0xFFFFFFFFU, 0x11111111U) == 0x11111111U);
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CHECK(get_bits(0x00000000U, 0x11111111U) == 0x00000000U);
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CHECK(get_bits(0x88888888U, 0x11111111U) == 0x00000000U);
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CHECK(get_bits(0xF0F0F0F0U, 0x11111111U) == 0x10101010U);
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}
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TEST_CASE("set bits")
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{
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CHECK(set_bits(0xFFFFFFFFU, 0x00111100U, 0x00000000U) == 0xFFEEEEFFU);
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CHECK(set_bits(0x00000000U, 0x00111100U, 0xFFFFFFFFU) == 0x00111100U);
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CHECK(set_bits(0x88888888U, 0x00111100U, 0x00111100U) == 0x88999988U);
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CHECK(set_bits(0xF0F0F0F0U, 0x00111100U, 0x00111100U) == 0xF0F1F1F0U);
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}
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TEST_CASE("bitmanip_eapis: set bit from span")
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{
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auto buf = std::make_unique<unsigned[]>(10);
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auto buf_view = gsl::make_span(buf, 10);
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memset(buf.get(), 0, 10 * sizeof(unsigned));
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set_bit(buf_view, 0);
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CHECK(buf_view[0] == 0x1);
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memset(buf.get(), 0, 10 * sizeof(unsigned));
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set_bit(buf_view, 8);
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CHECK(buf_view[0] == 0x100);
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memset(buf.get(), 0, 10 * sizeof(unsigned));
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set_bit(buf_view, 48);
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CHECK(buf_view[1] == 0x10000);
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memset(buf.get(), 0, 10 * sizeof(unsigned));
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CHECK_THROWS(set_bit(buf_view, 1000000));
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}
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TEST_CASE("bitmanip_eapis: clear bit from span")
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{
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auto buf = std::make_unique<unsigned[]>(10);
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auto buf_view = gsl::make_span(buf, 10);
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memset(buf.get(), 0xFF, 10 * sizeof(unsigned));
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clear_bit(buf_view, 0);
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CHECK(buf_view[0] == 0xFFFFFFFE);
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memset(buf.get(), 0xFF, 10 * sizeof(unsigned));
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clear_bit(buf_view, 8);
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CHECK(buf_view[0] == 0xFFFFFEFF);
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memset(buf.get(), 0xFF, 10 * sizeof(unsigned));
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clear_bit(buf_view, 48);
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CHECK(buf_view[1] == 0xFFFEFFFF);
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memset(buf.get(), 0xFF, 10 * sizeof(unsigned));
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CHECK_THROWS(clear_bit(buf_view, 1000000));
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}
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