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has_trivial_destructor and dtor optimization done.

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[SVN r77235]
This commit is contained in:
Christopher Hite
2012-03-05 17:13:05 +00:00
parent cb9e852350
commit 7ac0cbe617
3 changed files with 56 additions and 4 deletions
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30
test/optional_test_trivial_assertions.cpp Normal file
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@@ -0,0 +1,30 @@
#include "boost/optional.hpp"
#include "boost/static_assert.hpp"
#include "boost/type_traits.hpp"
using namespace boost;
typedef optional<char> oc;
typedef optional<int> oi;
typedef optional<std::string> os;
BOOST_STATIC_ASSERT( sizeof(oc) <= 2*sizeof(char) );
BOOST_STATIC_ASSERT( sizeof(oi) <= 2*sizeof(int) );
BOOST_STATIC_ASSERT( !has_trivial_default_constructor<oi>::value ); //never true for optional
BOOST_STATIC_ASSERT( !has_trivial_default_constructor<os>::value );
BOOST_STATIC_ASSERT( has_trivial_destructor<oi>::value ); //should be true where has_trivial_destructor<T>
BOOST_STATIC_ASSERT( !has_trivial_destructor<os>::value );
/*
has_trivial_assign
has_trivial_constructor
has_trivial_copy
has_trivial_copy_constructor
has_trivial_default_constructor
has_trivial_destructor
*/