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- /*
- Copyright 2019 Glen Joseph Fernandes
- (glenjofe@gmail.com)
- Distributed under the Boost Software License, Version 1.0.
- (http://www.boost.org/LICENSE_1_0.txt)
- */
- #include <boost/core/alloc_construct.hpp>
- #include <boost/core/default_allocator.hpp>
- #include <boost/core/lightweight_test.hpp>
- class type {
- public:
- explicit type(int x = 0, int y = 0)
- : value_(x + y) {
- ++count;
- }
- type(const type& other)
- : value_(other.value_) {
- ++count;
- }
- ~type() {
- --count;
- }
- int value() const {
- return value_;
- }
- static int count;
- private:
- int value_;
- };
- int type::count = 0;
- void test_construct()
- {
- boost::default_allocator<type> a;
- type* p = a.allocate(1);
- boost::alloc_construct(a, p);
- BOOST_TEST_EQ(type::count, 1);
- BOOST_TEST_EQ(p->value(), 0);
- boost::alloc_destroy(a, p);
- BOOST_TEST_EQ(type::count, 0);
- a.deallocate(p, 1);
- }
- void test_construct_value()
- {
- boost::default_allocator<type> a;
- type* p = a.allocate(1);
- boost::alloc_construct(a, p, 1);
- BOOST_TEST_EQ(type::count, 1);
- BOOST_TEST_EQ(p->value(), 1);
- boost::alloc_destroy(a, p);
- BOOST_TEST_EQ(type::count, 0);
- a.deallocate(p, 1);
- }
- #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \
- !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
- void test_construct_args()
- {
- boost::default_allocator<type> a;
- type* p = a.allocate(1);
- boost::alloc_construct(a, p, 1, 2);
- BOOST_TEST_EQ(type::count, 1);
- BOOST_TEST_EQ(p->value(), 3);
- boost::alloc_destroy(a, p);
- BOOST_TEST_EQ(type::count, 0);
- a.deallocate(p, 1);
- }
- #endif
- void test_construct_n()
- {
- boost::default_allocator<type> a;
- type* p = a.allocate(3);
- boost::alloc_construct_n(a, p, 3);
- BOOST_TEST_EQ(type::count, 3);
- BOOST_TEST_EQ(p[0].value(), 0);
- BOOST_TEST_EQ(p[1].value(), 0);
- BOOST_TEST_EQ(p[2].value(), 0);
- boost::alloc_destroy_n(a, p, 3);
- BOOST_TEST_EQ(type::count, 0);
- a.deallocate(p, 3);
- }
- void test_construct_n_list()
- {
- boost::default_allocator<type> a;
- type* p = a.allocate(3);
- type q(1);
- boost::alloc_construct_n(a, p, 3, &q, 1);
- BOOST_TEST_EQ(type::count, 4);
- BOOST_TEST_EQ(p[0].value(), 1);
- BOOST_TEST_EQ(p[1].value(), 1);
- BOOST_TEST_EQ(p[2].value(), 1);
- boost::alloc_destroy_n(a, p, 3);
- BOOST_TEST_EQ(type::count, 1);
- a.deallocate(p, 3);
- }
- void test_construct_n_iterator()
- {
- boost::default_allocator<type> a;
- type* p = a.allocate(3);
- type l[] = { type(1), type(2), type(3) };
- boost::alloc_construct_n(a, p, 3, &l[0]);
- BOOST_TEST_EQ(type::count, 6);
- BOOST_TEST_EQ(p[0].value(), 1);
- BOOST_TEST_EQ(p[1].value(), 2);
- BOOST_TEST_EQ(p[2].value(), 3);
- boost::alloc_destroy_n(a, p, 3);
- BOOST_TEST_EQ(type::count, 3);
- a.deallocate(p, 3);
- }
- int main()
- {
- test_construct();
- test_construct_value();
- #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \
- !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
- test_construct_args();
- #endif
- test_construct_n();
- test_construct_n_list();
- test_construct_n_iterator();
- return boost::report_errors();
- }
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