125 lines
3.7 KiB
C++
125 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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#define BOOST_ENABLE_ASSERT_HANDLER
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#include <boost/container/static_vector.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <new> //for bad_alloc
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#include <boost/assert.hpp>
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using namespace boost::container;
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//User-defined assertion to test throw_on_overflow
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struct throw_on_overflow_off
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{};
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namespace boost {
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void assertion_failed(char const *, char const *, char const *, long)
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{
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throw throw_on_overflow_off();
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}
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void assertion_failed_msg(char const *, char const *, char const *, char const *, long )
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{
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throw throw_on_overflow_off();
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}
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}
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void test_alignment()
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{
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const std::size_t Capacity = 10u;
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{ //extended alignment
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const std::size_t extended_alignment = sizeof(int)*4u;
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BOOST_STATIC_ASSERT(extended_alignment > dtl::alignment_of<int>::value);
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#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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using options_t = static_vector_options_t< inplace_alignment<extended_alignment> >;
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#else
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typedef static_vector_options
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< inplace_alignment<extended_alignment> >::type options_t;
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#endif
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static_vector<int, Capacity, options_t> v;
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v.resize(v.capacity());
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BOOST_ASSERT((reinterpret_cast<std::size_t>(&v[0]) % extended_alignment) == 0);
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}
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{ //default alignment
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#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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using options_t = static_vector_options_t< inplace_alignment<0> >;
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#else
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typedef static_vector_options< inplace_alignment<0> >::type options_t;
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#endif
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static_vector<int, Capacity, options_t> v;
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v.resize(v.capacity());
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BOOST_ASSERT((reinterpret_cast<std::size_t>(&v[0]) % dtl::alignment_of<int>::value) == 0);
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}
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}
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void test_throw_on_overflow()
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{
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#if !defined(BOOST_NO_EXCEPTIONS)
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const std::size_t Capacity = 10u;
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{ //throw_on_overflow == true, expect bad_alloc
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#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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using options_t = static_vector_options_t< throw_on_overflow<true> >;
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#else
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typedef static_vector_options
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< throw_on_overflow<true> >::type options_t;
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#endif
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static_vector<int, Capacity, options_t> v;
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v.resize(Capacity);
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bool expected_type_thrown = false;
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try{
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v.push_back(0);
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}
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catch(std::bad_alloc&)
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{
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expected_type_thrown = true;
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}
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catch(...)
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{}
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BOOST_TEST(expected_type_thrown == true);
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BOOST_TEST(v.capacity() == Capacity);
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}
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{ //throw_on_overflow == false, test it through BOOST_ASSERT
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//even in release mode (BOOST_ENABLE_ASSERT_HANDLER), and throwing
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//a special type in that assertion.
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#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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using options_t = static_vector_options_t< throw_on_overflow<false> >;
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#else
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typedef static_vector_options< throw_on_overflow<false> >::type options_t;
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#endif
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static_vector<int, Capacity, options_t> v;
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v.resize(Capacity);
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bool expected_type_thrown = false;
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try{
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v.push_back(0);
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}
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catch(throw_on_overflow_off)
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{
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expected_type_thrown = true;
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}
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catch(...)
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{}
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BOOST_TEST(expected_type_thrown == true);
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BOOST_TEST(v.capacity() == Capacity);
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}
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#endif
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}
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int main()
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{
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test_alignment();
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test_throw_on_overflow();
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return ::boost::report_errors();
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}
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