81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
// Copyright (C) 2011 Red Hat, Inc. All rights reserved.
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//
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// This file is part of the thin-provisioning-tools source.
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//
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// thin-provisioning-tools is free software: you can redistribute it
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// and/or modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// thin-provisioning-tools is distributed in the hope that it will be
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// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with thin-provisioning-tools. If not, see
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// <http://www.gnu.org/licenses/>.
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#include "space_map_disk.h"
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#include "core_map.h"
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#define BOOST_TEST_MODULE EndianTests
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#include <boost/test/included/unit_test.hpp>
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using namespace base;
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using namespace boost;
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using namespace persistent_data;
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using namespace std;
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//----------------------------------------------------------------
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BOOST_AUTO_TEST_CASE(bitmaps)
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{
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unsigned NR_BITS = 10247;
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vector<uint64_t> data((NR_BITS + 63) / 64, 0);
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// check all bits are zero
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void *bits = &data[0];
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for (unsigned i = 0; i < NR_BITS; i++)
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BOOST_CHECK(!test_bit_le(bits, i));
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// set all bits to one
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for (unsigned i = 0; i < NR_BITS; i++)
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set_bit_le(bits, i);
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// check they're all 1 now
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for (unsigned i = 0; i < NR_BITS; i++)
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BOOST_CHECK(test_bit_le(bits, i));
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// clear every third bit
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for (unsigned i = 0; i < NR_BITS; i += 3)
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clear_bit_le(bits, i);
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// check everything is as we expect
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for (unsigned i = 0; i < NR_BITS; i++) {
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if ((i % 3) == 0)
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BOOST_CHECK(!test_bit_le(bits, i));
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else
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BOOST_CHECK(test_bit_le(bits, i));
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}
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}
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BOOST_AUTO_TEST_CASE(bitmaps_alternate_words)
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{
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unsigned NR_BITS = 10247;
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vector<uint64_t> data((NR_BITS + 63) / 64, 0);
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// check all bits are zero
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void *bits = &data[0];
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for (unsigned i = 0; i < 128; i++)
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BOOST_CHECK(!test_bit_le(bits, i));
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for (unsigned i = 0; i < 64; i++)
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set_bit_le(bits, i);
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for (unsigned i = 64; i < 128; i++)
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BOOST_CHECK(!test_bit_le(bits, i));
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}
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//----------------------------------------------------------------
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