forked from boostorg/container_hash
bd9c0e53d7
Boster.Test which makes it easier to switch to take advantage of Boost.Test's extra testing facilities. Merged revisions 44420 via svnmerge from https://svn.boost.org/svn/boost/branches/unordered/trunk ........ r44420 | danieljames | 2008-04-14 19:02:03 +0100 (Mon, 14 Apr 2008) | 1 line Use Boost.Test's minimal test library. ........ [SVN r44487]
100 lines
2.1 KiB
C++
100 lines
2.1 KiB
C++
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// Copyright 2005-2008 Daniel James.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/config.hpp>
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#include <cstddef>
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namespace test
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{
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struct custom
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{
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int value_;
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std::size_t hash() const
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{
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return value_ * 10;
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}
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#if !defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
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friend std::size_t hash_value(custom const& x )
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{
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return x.hash();
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}
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#endif
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custom(int x) : value_(x) {}
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};
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}
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#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
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namespace boost
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{
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std::size_t hash_value(test::custom x)
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{
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return x.hash();
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}
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}
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#endif
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#include "./config.hpp"
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#ifdef TEST_EXTENSIONS
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# ifdef TEST_STD_INCLUDES
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# include <functional>
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# else
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# include <boost/functional/hash.hpp>
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# endif
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#endif
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#include <boost/test/minimal.hpp>
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#ifdef TEST_EXTENSIONS
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#include <vector>
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#include <string>
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#include <cctype>
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void custom_tests()
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{
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HASH_NAMESPACE::hash<test::custom> custom_hasher;
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BOOST_CHECK(custom_hasher(10) == 100u);
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test::custom x(55);
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BOOST_CHECK(custom_hasher(x) == 550u);
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{
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using namespace HASH_NAMESPACE;
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BOOST_CHECK(custom_hasher(x) == hash_value(x));
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}
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std::vector<test::custom> custom_vector;
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custom_vector.push_back(5);
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custom_vector.push_back(25);
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custom_vector.push_back(35);
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std::size_t seed = 0;
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HASH_NAMESPACE::hash_combine(seed, test::custom(5));
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HASH_NAMESPACE::hash_combine(seed, test::custom(25));
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HASH_NAMESPACE::hash_combine(seed, test::custom(35));
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std::size_t seed2 = 0;
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HASH_NAMESPACE::hash_combine(seed2, 50u);
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HASH_NAMESPACE::hash_combine(seed2, 250u);
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HASH_NAMESPACE::hash_combine(seed2, 350u);
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BOOST_CHECK(seed ==
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HASH_NAMESPACE::hash_range(custom_vector.begin(), custom_vector.end()));
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BOOST_CHECK(seed == seed2);
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}
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#endif // TEST_EXTENSIONS
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int test_main(int, char**)
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{
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#ifdef TEST_EXTENSIONS
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custom_tests();
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#endif
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return 0;
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}
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