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47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
// (C) Copyright Daniel James 2005.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/functional/hash/hash.hpp>
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#define BOOST_AUTO_TEST_MAIN
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#include <boost/test/auto_unit_test.hpp>
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#include <boost/limits.hpp>
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#include <boost/mpl/assert.hpp>
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#include <boost/type_traits/is_base_and_derived.hpp>
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#include <boost/assign/list_inserter.hpp>
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BOOST_AUTO_UNIT_TEST(hash_range_tests)
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{
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using namespace boost::assign;
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std::vector<int> empty, values1, values2, values3, values4, values5;
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push_back(values1)(0);
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push_back(values2)(10);
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push_back(values3)(10)(20);
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push_back(values4)(15)(75);
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push_back(values5)(10)(20)(15)(75)(10)(20);
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std::vector<int> x;
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BOOST_CHECK_EQUAL(boost::hash_range(empty), boost::hash_range(x));
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BOOST_CHECK_EQUAL(boost::hash_range(empty), boost::hash_range(x.begin(), x.end()));
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BOOST_CHECK(boost::hash_range(empty) != boost::hash_range(values1));
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x.push_back(10);
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BOOST_CHECK(boost::hash_range(empty) != boost::hash_range(x));
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BOOST_CHECK_EQUAL(boost::hash_range(values2), boost::hash_range(x));
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BOOST_CHECK_EQUAL(boost::hash_range(values2), boost::hash_range(x.begin(), x.end()));
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x.push_back(20);
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BOOST_CHECK(boost::hash_range(empty) != boost::hash_range(x));
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BOOST_CHECK(boost::hash_range(values2) != boost::hash_range(x));
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BOOST_CHECK_EQUAL(boost::hash_range(values3), boost::hash_range(x));
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std::size_t seed = boost::hash_range(values3);
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boost::hash_range(seed, boost::const_begin(values4), boost::const_end(values4));
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boost::hash_range(seed, x);
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BOOST_CHECK_EQUAL(seed, boost::hash_range(values5));
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}
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