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280 lines
11 KiB
C++
280 lines
11 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2025-2025. 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/uses_allocator_construction.hpp>
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#include <boost/container/detail/type_traits.hpp>
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#include <boost/core/lightweight_test.hpp>
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typedef int arg1_t;
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typedef void * arg2_t;
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typedef void (*arg3_t) (int);
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typedef void *(*non_alloc_arg_t) (double*);
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typedef int alloc_arg_t;
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using namespace boost::container;
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struct not_uses_allocator
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{};
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struct uses_allocator_and_not_convertible_arg
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{
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bool allocator_called;
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unsigned args_called;
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typedef void (*allocator_type) (uses_allocator_and_not_convertible_arg);
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uses_allocator_and_not_convertible_arg()
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: allocator_called(false), args_called(0)
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{}
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explicit uses_allocator_and_not_convertible_arg(allocator_type)
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: allocator_called(true), args_called(0)
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{}
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explicit uses_allocator_and_not_convertible_arg(arg1_t, arg2_t, arg3_t, allocator_type)
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: allocator_called(true), args_called(3)
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{}
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explicit uses_allocator_and_not_convertible_arg(arg1_t, arg2_t, arg3_t)
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: allocator_called(false), args_called(3)
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{}
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explicit uses_allocator_and_not_convertible_arg(allocator_arg_t, allocator_type, arg1_t, arg2_t)
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: allocator_called(true), args_called(2)
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{}
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explicit uses_allocator_and_not_convertible_arg(arg1_t, arg2_t)
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: allocator_called(false), args_called(2)
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{}
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};
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struct uses_allocator_and_convertible_arg
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{
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bool allocator_called;
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unsigned args_called;
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typedef long allocator_type;
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uses_allocator_and_convertible_arg()
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: allocator_called(false), args_called(0)
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{}
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explicit uses_allocator_and_convertible_arg(allocator_type)
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: allocator_called(true), args_called(0)
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{}
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explicit uses_allocator_and_convertible_arg(arg1_t, arg2_t, arg3_t, allocator_type)
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: allocator_called(true), args_called(3)
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{}
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explicit uses_allocator_and_convertible_arg(arg1_t, arg2_t, arg3_t)
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: allocator_called(false), args_called(3)
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{}
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explicit uses_allocator_and_convertible_arg(allocator_arg_t, allocator_type, arg1_t, arg2_t)
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: allocator_called(true), args_called(2)
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{}
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explicit uses_allocator_and_convertible_arg(arg1_t, arg2_t)
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: allocator_called(false), args_called(2)
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{}
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};
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struct uses_erased_type_allocator
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{
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bool allocator_called;
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unsigned args_called;
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typedef erased_type allocator_type;
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typedef long constructible_from_int_t;
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uses_erased_type_allocator()
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: allocator_called(false), args_called(0)
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{}
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explicit uses_erased_type_allocator(int)
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: allocator_called(true), args_called(0)
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{}
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explicit uses_erased_type_allocator(arg1_t, arg2_t, arg3_t, constructible_from_int_t)
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: allocator_called(true), args_called(3)
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{}
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explicit uses_erased_type_allocator(arg1_t, arg2_t, arg3_t)
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: allocator_called(false), args_called(3)
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{}
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explicit uses_erased_type_allocator(allocator_arg_t, constructible_from_int_t, arg1_t, arg2_t)
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: allocator_called(true), args_called(2)
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{}
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explicit uses_erased_type_allocator(arg1_t, arg2_t)
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: allocator_called(false), args_called(2)
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{}
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};
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void test_uninitialized_construct()
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{
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typedef dtl::aligned_storage<sizeof(uses_allocator_and_not_convertible_arg)>::type storage_t;
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//Make sure aligned_storage will be big enough
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BOOST_CONTAINER_STATIC_ASSERT( sizeof(storage_t) >= sizeof(uses_allocator_and_not_convertible_arg) );
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BOOST_CONTAINER_STATIC_ASSERT( sizeof(storage_t) >= sizeof(not_uses_allocator) );
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BOOST_CONTAINER_STATIC_ASSERT( sizeof(storage_t) >= sizeof(uses_allocator_and_convertible_arg) );
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BOOST_CONTAINER_STATIC_ASSERT( sizeof(storage_t) >= sizeof(uses_erased_type_allocator) );
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storage_t storage;
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void *const st_ptr = static_cast<void*>(storage.data);
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////////////////////////////////////
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//not_uses_allocator
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////////////////////////////////////
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not_uses_allocator *nua_ptr = reinterpret_cast<not_uses_allocator*>(st_ptr);
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nua_ptr = uninitialized_construct_using_allocator(nua_ptr, alloc_arg_t());
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////////////////////////////////////
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//uses_allocator_and_convertible_arg
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////////////////////////////////////
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uses_allocator_and_convertible_arg *uaci_ptr = reinterpret_cast<uses_allocator_and_convertible_arg*>(st_ptr);
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uaci_ptr = uninitialized_construct_using_allocator(uaci_ptr, alloc_arg_t());
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BOOST_TEST(uaci_ptr->allocator_called == true);
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BOOST_TEST(uaci_ptr->args_called == 0u);
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uaci_ptr = uninitialized_construct_using_allocator(uaci_ptr, alloc_arg_t(), arg1_t(), arg2_t(), arg3_t());
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BOOST_TEST(uaci_ptr->allocator_called == true);
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BOOST_TEST(uaci_ptr->args_called == 3u);
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uaci_ptr = uninitialized_construct_using_allocator(uaci_ptr, alloc_arg_t(), arg1_t(), arg2_t());
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BOOST_TEST(uaci_ptr->allocator_called == true);
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BOOST_TEST(uaci_ptr->args_called == 2u);
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////////////////////////////////////
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//uses_allocator_and_not_convertible_arg
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////////////////////////////////////
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uses_allocator_and_not_convertible_arg *uanci_ptr = reinterpret_cast<uses_allocator_and_not_convertible_arg*>(st_ptr);
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uanci_ptr = uninitialized_construct_using_allocator(uanci_ptr, alloc_arg_t());
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BOOST_TEST(uanci_ptr->allocator_called == false);
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BOOST_TEST(uanci_ptr->args_called == 0u);
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uanci_ptr = uninitialized_construct_using_allocator(uanci_ptr, alloc_arg_t(), arg1_t(), arg2_t(), arg3_t());
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BOOST_TEST(uanci_ptr->allocator_called == false);
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BOOST_TEST(uanci_ptr->args_called == 3u);
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uanci_ptr = uninitialized_construct_using_allocator(uanci_ptr, alloc_arg_t(), arg1_t(), arg2_t());
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BOOST_TEST(uanci_ptr->allocator_called == false);
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BOOST_TEST(uanci_ptr->args_called == 2u);
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uanci_ptr = uninitialized_construct_using_allocator(uanci_ptr, non_alloc_arg_t(), arg1_t(), arg2_t(), arg3_t());
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BOOST_TEST(uanci_ptr->allocator_called == false);
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BOOST_TEST(uanci_ptr->args_called == 3u);
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uanci_ptr = uninitialized_construct_using_allocator(uanci_ptr, non_alloc_arg_t(), arg1_t(), arg2_t());
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BOOST_TEST(uanci_ptr->allocator_called == false);
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BOOST_TEST(uanci_ptr->args_called == 2u);
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////////////////////////////////////
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//uses_erased_type_allocator
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////////////////////////////////////
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uses_erased_type_allocator *ueta_ptr = reinterpret_cast<uses_erased_type_allocator*>(st_ptr);
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ueta_ptr = uninitialized_construct_using_allocator(ueta_ptr, alloc_arg_t());
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BOOST_TEST(ueta_ptr->allocator_called == true);
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BOOST_TEST(ueta_ptr->args_called == 0u);
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ueta_ptr = uninitialized_construct_using_allocator(ueta_ptr, alloc_arg_t(), arg1_t(), arg2_t(), arg3_t());
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BOOST_TEST(ueta_ptr->allocator_called == true);
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BOOST_TEST(ueta_ptr->args_called == 3u);
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ueta_ptr = uninitialized_construct_using_allocator(ueta_ptr, alloc_arg_t(), arg1_t(), arg2_t());
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BOOST_TEST(ueta_ptr->allocator_called == true);
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BOOST_TEST(ueta_ptr->args_called == 2u);
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ueta_ptr = uninitialized_construct_using_allocator(ueta_ptr, non_alloc_arg_t(), arg1_t(), arg2_t());
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BOOST_TEST(ueta_ptr->allocator_called == false);
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BOOST_TEST(ueta_ptr->args_called == 2u);
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ueta_ptr = uninitialized_construct_using_allocator(ueta_ptr, non_alloc_arg_t(), arg1_t(), arg2_t(), arg3_t());
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BOOST_TEST(ueta_ptr->allocator_called == false);
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BOOST_TEST(ueta_ptr->args_called == 3u);
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}
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void test_make_obj()
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{
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////////////////////////////////////
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//not_uses_allocator
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////////////////////////////////////
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not_uses_allocator d = make_obj_using_allocator<not_uses_allocator>(alloc_arg_t()); (void)d;
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////////////////////////////////////
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//uses_allocator_and_convertible_arg
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////////////////////////////////////
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uses_allocator_and_convertible_arg uaci = make_obj_using_allocator<uses_allocator_and_convertible_arg>(alloc_arg_t());
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BOOST_TEST(uaci.allocator_called == true);
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BOOST_TEST(uaci.args_called == 0u);
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uaci = make_obj_using_allocator<uses_allocator_and_convertible_arg>(alloc_arg_t(), arg1_t(), arg2_t(), arg3_t());
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BOOST_TEST(uaci.allocator_called == true);
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BOOST_TEST(uaci.args_called == 3u);
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uaci = make_obj_using_allocator<uses_allocator_and_convertible_arg>(alloc_arg_t(), arg1_t(), arg2_t());
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BOOST_TEST(uaci.allocator_called == true);
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BOOST_TEST(uaci.args_called == 2u);
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////////////////////////////////////
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//uses_allocator_and_not_convertible_arg
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////////////////////////////////////
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uses_allocator_and_not_convertible_arg uanci = make_obj_using_allocator<uses_allocator_and_not_convertible_arg>(alloc_arg_t());
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BOOST_TEST(uanci.allocator_called == false);
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BOOST_TEST(uanci.args_called == 0u);
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uanci = make_obj_using_allocator<uses_allocator_and_not_convertible_arg>(alloc_arg_t(), arg1_t(), arg2_t(), arg3_t());
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BOOST_TEST(uanci.allocator_called == false);
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BOOST_TEST(uanci.args_called == 3u);
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uanci = make_obj_using_allocator<uses_allocator_and_not_convertible_arg>(alloc_arg_t(), arg1_t(), arg2_t());
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BOOST_TEST(uanci.allocator_called == false);
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BOOST_TEST(uanci.args_called == 2u);
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uanci = make_obj_using_allocator<uses_allocator_and_not_convertible_arg>(non_alloc_arg_t(), arg1_t(), arg2_t(), arg3_t());
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BOOST_TEST(uanci.allocator_called == false);
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BOOST_TEST(uanci.args_called == 3u);
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uanci = make_obj_using_allocator<uses_allocator_and_not_convertible_arg>(non_alloc_arg_t(), arg1_t(), arg2_t());
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BOOST_TEST(uanci.allocator_called == false);
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BOOST_TEST(uanci.args_called == 2u);
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////////////////////////////////////
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//uses_erased_type_allocator
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////////////////////////////////////
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uses_erased_type_allocator ueta = make_obj_using_allocator<uses_erased_type_allocator>(alloc_arg_t());
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BOOST_TEST(ueta.allocator_called == true);
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BOOST_TEST(ueta.args_called == 0u);
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ueta = make_obj_using_allocator<uses_erased_type_allocator>(alloc_arg_t(), arg1_t(), arg2_t(), arg3_t());
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BOOST_TEST(ueta.allocator_called == true);
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BOOST_TEST(ueta.args_called == 3u);
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ueta = make_obj_using_allocator<uses_erased_type_allocator>(alloc_arg_t(), arg1_t(), arg2_t());
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BOOST_TEST(ueta.allocator_called == true);
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BOOST_TEST(ueta.args_called == 2u);
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ueta = make_obj_using_allocator<uses_erased_type_allocator>(non_alloc_arg_t(), arg1_t(), arg2_t());
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BOOST_TEST(ueta.allocator_called == false);
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BOOST_TEST(ueta.args_called == 2u);
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ueta = make_obj_using_allocator<uses_erased_type_allocator>(non_alloc_arg_t(), arg1_t(), arg2_t(), arg3_t());
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BOOST_TEST(ueta.allocator_called == false);
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BOOST_TEST(ueta.args_called == 3u);
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}
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int main()
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{
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//test_uninitialized_construct();
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test_make_obj();
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return boost::report_errors();
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}
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