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https://github.com/boostorg/utility.git
synced 2025-07-30 04:47:30 +02:00
added is_convertible and alignment_of
[SVN r7664]
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@ -1,3 +1,10 @@
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// boost::compressed_pair test program
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// (C) Copyright John Maddock 2000. Permission to copy, use, modify, sell and
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// distribute this software is granted provided this copyright notice appears
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// in all copies. This software is provided "as is" without express or implied
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// warranty, and with no claim as to its suitability for any purpose.
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#include <cassert>
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#include <iostream>
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@ -6,12 +13,7 @@
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#include <typeinfo>
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#include <boost/call_traits.hpp>
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#ifdef __BORLANDC__
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// turn off some warnings, the way we do the tests will generate a *lot* of these
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// this is a result of the tests not call_traits itself....
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#pragma option -w-8004 -w-ccc -w-rch -w-eff -w-aus
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#endif
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#include "type_traits_test.hpp"
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//
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// struct contained models a type that contains a type (for example std::pair)
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// arrays are contained by value, and have to be treated as a special case:
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@ -178,30 +180,6 @@ struct UDT
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bool operator == (const UDT& v){ return v.i_ == i_; }
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};
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//
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// define tests here
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unsigned failures = 0;
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unsigned test_count = 0;
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#define value_test(v, x) ++test_count;\
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if(v != x){++failures; std::cout << "checking value of " << #x << "...failed" << std::endl;}
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#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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#define type_test(v, x) ++test_count;\
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if(boost::is_same<v, x>::value == false){\
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++failures; \
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std::cout << "checking type of " << #x << "...failed" << std::endl; \
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std::cout << " expected type was " << #v << std::endl; \
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std::cout << " " << typeid(boost::is_same<v, x>).name() << "::value is false" << std::endl; }
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#else
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#define type_test(v, x) ++test_count;\
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if(typeid(v) != typeid(x)){\
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++failures; \
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std::cout << "checking type of " << #x << "...failed" << std::endl; \
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std::cout << " expected type was " << #v << std::endl; \
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std::cout << " " << "typeid(" #v ") != typeid(" #x ")" << std::endl; }
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#endif
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int main()
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{
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checker<UDT> c1;
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@ -10,38 +10,10 @@
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#include <cassert>
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#include <boost/compressed_pair.hpp>
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#include "type_traits_test.hpp"
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using namespace boost;
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#ifdef __BORLANDC__
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#pragma option -w-ccc -w-rch -w-eff -w-aus
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#endif
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//
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// define tests here
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unsigned failures = 0;
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unsigned test_count = 0;
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#define value_test(v, x) ++test_count;\
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if(v != x){++failures; std::cout << "checking value of " << #x << "...failed" << std::endl;}
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#define value_fail(v, x) ++test_count; ++failures; std::cout << "checking value of " << #x << "...failed" << std::endl;
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#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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#define type_test(v, x) ++test_count;\
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if(boost::is_same<v, x>::value == false){\
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++failures; \
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std::cout << "checking type of " << #x << "...failed" << std::endl; \
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std::cout << " expected type was " << #v << std::endl; \
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std::cout << " " << typeid(boost::is_same<v, x>).name() << "::value is false" << std::endl; }
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#else
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#define type_test(v, x) ++test_count;\
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if(typeid(v) != typeid(x)){\
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++failures; \
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std::cout << "checking type of " << #x << "...failed" << std::endl; \
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std::cout << " expected type was " << #v << std::endl; \
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std::cout << " " << "typeid(" #v ") != typeid(" #x ")" << std::endl; }
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#endif
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struct empty_POD_UDT{};
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struct empty_UDT
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{
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@ -16,37 +16,10 @@
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#include <typeinfo>
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#include <boost/type_traits.hpp>
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#include "type_traits_test.hpp"
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using namespace boost;
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#ifdef __BORLANDC__
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#pragma option -w-ccc -w-rch -w-eff -w-aus
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#endif
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//
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// define tests here
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unsigned failures = 0;
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unsigned test_count = 0;
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#define value_test(v, x) ++test_count;\
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if(v != x){++failures; std::cout << "checking value of " << #x << "...failed" << std::endl;}
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#define value_fail(v, x) ++test_count; ++failures; std::cout << "checking value of " << #x << "...failed" << std::endl;
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#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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#define type_test(v, x) ++test_count;\
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if(is_same<v, x>::value == false){\
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++failures; \
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std::cout << "checking type of " << #x << "...failed" << std::endl; \
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std::cout << " expected type was " << #v << std::endl; \
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std::cout << " " << typeid(is_same<v, x>).name() << "::value is false" << std::endl; }
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#else
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#define type_test(v, x) ++test_count;\
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if(typeid(v) != typeid(x)){\
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++failures; \
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std::cout << "checking type of " << #x << "...failed" << std::endl; \
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std::cout << " expected type was " << #v << std::endl; \
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std::cout << " " << "typeid(" #v ") != typeid(" #x ")" << std::endl; }
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#endif
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// Since there is no compiler support, we should specialize:
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// is_enum for all enumerations (is_enum implies is_POD)
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// is_union for all unions
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@ -160,6 +133,33 @@ template <> struct is_POD<empty_POD_union_UDT>
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}
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#endif
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class Base { };
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class Deriverd : public Base { };
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class NonDerived { };
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enum enum1
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{
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one_,two_
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};
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enum enum2
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{
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three_,four_
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};
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struct VB
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{
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virtual ~VB(){};
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};
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struct VD : VB
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{
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~VD(){};
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};
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// Steve: All comments that I (Steve Cleary) have added below are prefixed with
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// "Steve:" The failures that BCB4 has on the tests are due to Borland's
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// not considering cv-qual's as a part of the type -- they are considered
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@ -530,6 +530,52 @@ int main()
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value_test(false, is_POD<empty_UDT>::value)
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value_test(true, is_POD<enum_UDT>::value)
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value_test(true, (boost::is_convertible<Deriverd,Base>::value));
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value_test(true, (boost::is_convertible<Deriverd,Deriverd>::value));
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value_test(true, (boost::is_convertible<Base,Base>::value));
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value_test(false, (boost::is_convertible<Base,Deriverd>::value));
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value_test(true, (boost::is_convertible<Deriverd,Deriverd>::value));
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value_test(false, (boost::is_convertible<NonDerived,Base>::value));
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//value_test(false, (boost::is_convertible<boost::noncopyable, boost::noncopyable>::value));
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value_test(true, (boost::is_convertible<float,int>::value));
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#if defined(BOOST_MSVC6_MEMBER_TEMPLATES) || !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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value_test(false, (boost::is_convertible<float,void>::value));
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value_test(false, (boost::is_convertible<void,float>::value));
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value_test(true, (boost::is_convertible<void,void>::value));
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#endif
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value_test(true, (boost::is_convertible<enum1, int>::value));
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value_test(true, (boost::is_convertible<Deriverd*, Base*>::value));
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value_test(false, (boost::is_convertible<Base*, Deriverd*>::value));
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value_test(true, (boost::is_convertible<Deriverd&, Base&>::value));
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value_test(false, (boost::is_convertible<Base&, Deriverd&>::value));
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value_test(true, (boost::is_convertible<const Deriverd*, const Base*>::value));
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value_test(false, (boost::is_convertible<const Base*, const Deriverd*>::value));
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value_test(true, (boost::is_convertible<const Deriverd&, const Base&>::value));
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value_test(false, (boost::is_convertible<const Base&, const Deriverd&>::value));
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value_test(false, (boost::is_convertible<const int *, int*>::value));
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value_test(false, (boost::is_convertible<const int&, int&>::value));
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value_test(false, (boost::is_convertible<int*, int[2]>::value));
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value_test(false, (boost::is_convertible<const int*, int[3]>::value));
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value_test(true, (boost::is_convertible<const int&, int>::value));
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value_test(true, (boost::is_convertible<int(&)[4], const int*>::value));
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value_test(true, (boost::is_convertible<int(&)(int), int(*)(int)>::value));
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value_test(true, (boost::is_convertible<int *, const int*>::value));
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value_test(true, (boost::is_convertible<int&, const int&>::value));
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value_test(true, (boost::is_convertible<int[2], int*>::value));
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value_test(true, (boost::is_convertible<int[2], const int*>::value));
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value_test(false, (boost::is_convertible<const int[2], int*>::value));
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align_test(int);
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align_test(char);
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align_test(double);
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align_test(int[4]);
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//align_test(int&);
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align_test(int*);
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//align_test(const int);
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align_test(VB);
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align_test(VD);
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std::cout << std::endl << test_count << " tests completed (" << failures << " failures)... press any key to exit";
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std::cin.get();
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return failures;
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