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more defensive checking for trivial types -- avoiding bugs

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This commit is contained in:
Andrzej Krzemienski
2017-10-31 02:47:13 +01:00
parent 58f7c2f14a
commit a7f33f5d6f
3 changed files with 50 additions and 16 deletions
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25
test/optional_test_static_properties.cpp
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@ -19,12 +19,7 @@
#include "boost/core/lightweight_test_trait.hpp"
#include "boost/type_traits/is_base_of.hpp"
#ifndef BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
#if (defined BOOST_HAS_TRIVIAL_MOVE_ASSIGN) && (defined BOOST_HAS_TRIVIAL_MOVE_CONSTRUCTOR) && (defined BOOST_HAS_TRIVIAL_CONSTRUCTOR) && (defined BOOST_HAS_TRIVIAL_COPY) && (defined BOOST_HAS_TRIVIAL_ASSIGN) && (defined BOOST_HAS_TRIVIAL_DESTRUCTOR)
#else
# define BOOST_OPTIONAL_NO_TRIVIALITY_DETECTION
#endif
#ifndef BOOST_OPTIONAL_DETAIL_NO_DEFAULTED_FUNCTIONS
struct PrivDefault
{
@ -77,9 +72,7 @@ void test_type_traits()
// this only tests if type traits are implemented correctly
BOOST_TEST_TRAIT_TRUE(( boost::optional_config::is_type_trivial<int> ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_config::is_type_trivial<double> ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_config::is_type_trivial<Empty> ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_config::is_type_trivial<Aggregate<int, double> > ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_config::is_type_trivial<Aggregate<Aggregate<Empty, int>, double> > ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_config::is_type_trivial<CustomizedTrivial> ));
@ -95,11 +88,17 @@ void test_type_traits()
BOOST_TEST_TRAIT_TRUE(( boost::optional_detail::is_type_trivially_copyable<int> ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_detail::is_type_trivially_copyable<double> ));
#ifndef BOOST_OPTIONAL_DETAIL_NO_SPEC_FOR_TRIVIAL_TYPES
BOOST_TEST_TRAIT_TRUE(( boost::optional_config::is_type_trivial<Empty> ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_config::is_type_trivial<Aggregate<int, double> > ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_config::is_type_trivial<Aggregate<Aggregate<Empty, int>, double> > ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_detail::is_type_trivially_copyable<Empty> ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_detail::is_type_trivially_copyable<Aggregate<int, double> > ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_detail::is_type_trivially_copyable<Aggregate<Aggregate<Empty, int>, double> > ));
#ifndef BOOST_OPTIONAL_NO_TRIVIALITY_DETECTION
BOOST_TEST_TRAIT_TRUE(( boost::optional_detail::is_type_trivially_copyable<PrivDefault> ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_detail::is_type_trivially_copyable<NoDefault> ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_detail::is_type_trivially_copyable<CustDefault> ));
@ -118,7 +117,7 @@ void test_trivial_copyability()
BOOST_TEST_TRAIT_TRUE((boost::is_base_of<boost::optional_detail::tc_optional_base<double>, boost::optional<double> > ));
BOOST_TEST_TRAIT_TRUE((boost::is_base_of<boost::optional_detail::tc_optional_base<CustomizedTrivial>, boost::optional<CustomizedTrivial> > ));
#ifndef BOOST_OPTIONAL_NO_TRIVIALITY_DETECTION
#ifndef BOOST_OPTIONAL_DETAIL_NO_SPEC_FOR_TRIVIAL_TYPES
BOOST_TEST_TRAIT_TRUE(( boost::optional_detail::is_type_trivially_copyable<boost::optional<int> > ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_detail::is_type_trivially_copyable<boost::optional<double> > ));
BOOST_TEST_TRAIT_TRUE(( boost::optional_detail::is_type_trivially_copyable<boost::optional<CustomizedTrivial> > ));
@ -132,7 +131,7 @@ void test_trivial_copyability()
int main()
{
#ifndef BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
#ifndef BOOST_OPTIONAL_DETAIL_NO_DEFAULTED_FUNCTIONS
test_type_traits();
test_trivial_copyability();
#endif