122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2004-2013. Distributed under the Boost
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// 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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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#include <boost/container/vector.hpp>
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#include <boost/container/allocator.hpp>
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#include <boost/container/detail/next_capacity.hpp>
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#include <boost/core/lightweight_test.hpp>
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using namespace boost::container;
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template<class Unsigned, class VectorType>
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void test_stored_size_type_impl()
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{
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VectorType v;
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typedef typename VectorType::size_type size_type;
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typedef typename VectorType::value_type value_type;
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size_type const max = Unsigned(-1);
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v.resize(5);
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v.resize(max);
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BOOST_TEST_THROWS(v.resize(max+1), std::exception);
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BOOST_TEST_THROWS(v.push_back(value_type(1)), std::exception);
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BOOST_TEST_THROWS(v.insert(v.begin(), value_type(1)), std::exception);
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BOOST_TEST_THROWS(v.emplace(v.begin(), value_type(1)),std::exception);
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BOOST_TEST_THROWS(v.reserve(max+1), std::exception);
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BOOST_TEST_THROWS(VectorType v2(max+1), std::exception);
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}
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template<class Unsigned>
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void test_stored_size_type()
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{
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#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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using options_t = vector_options_t< stored_size<Unsigned> >;
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#else
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typedef typename vector_options
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< stored_size<Unsigned> >::type options_t;
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#endif
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//Test first with a typical allocator
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{
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typedef vector<unsigned char, new_allocator<unsigned char>, options_t> vector_t;
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test_stored_size_type_impl<Unsigned, vector_t>();
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}
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//Test with a V2 allocator
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{
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typedef vector<unsigned char, allocator<unsigned char>, options_t> vector_t;
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test_stored_size_type_impl<Unsigned, vector_t>();
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}
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}
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void test_growth_factor_50()
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{
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#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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using options_t = vector_options_t< growth_factor<growth_factor_50> >;
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#else
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typedef vector_options
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< growth_factor<growth_factor_50> >::type options_t;
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#endif
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vector<int, new_allocator<int>, options_t> v;
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v.resize(5);
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v.resize(v.capacity());
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std::size_t old_capacity = v.capacity();
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v.push_back(0);
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std::size_t new_capacity = v.capacity();
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BOOST_TEST(new_capacity == old_capacity + old_capacity/2);
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}
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void test_growth_factor_60()
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{
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#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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using options_t = vector_options_t< growth_factor<growth_factor_60> >;
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#else
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typedef vector_options
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< growth_factor<growth_factor_60> >::type options_t;
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#endif
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vector<int, new_allocator<int>, options_t> v;
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v.resize(5);
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v.resize(v.capacity());
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std::size_t old_capacity = v.capacity();
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v.push_back(0);
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std::size_t new_capacity = v.capacity();
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BOOST_TEST(new_capacity == old_capacity + 3*old_capacity/5);
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}
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void test_growth_factor_100()
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{
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#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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using options_t = vector_options_t< growth_factor<growth_factor_100> >;
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#else
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typedef vector_options
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< growth_factor<growth_factor_100> >::type options_t;
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#endif
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vector<int, new_allocator<int>, options_t> v;
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v.resize(5);
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v.resize(v.capacity());
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std::size_t old_capacity = v.capacity();
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v.push_back(0);
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std::size_t new_capacity = v.capacity();
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BOOST_TEST(new_capacity == 2*old_capacity);
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}
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int main()
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{
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test_growth_factor_50();
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test_growth_factor_60();
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test_growth_factor_100();
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test_stored_size_type<unsigned char>();
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test_stored_size_type<unsigned short>();
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return ::boost::report_errors();
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}
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