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// Unit test for boost::any.
//
// See http://www.boost.org for most recent version, including documentation.
//
// Copyright Antony Polukhin, 2013-2019.
//
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
#include <cstdlib>
#include <string>
#include <utility>
#include <boost/any.hpp>
#include "test.hpp"
#include <boost/move/move.hpp>
#ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
int main()
{
return EXIT_SUCCESS;
}
#else
namespace any_tests
{
typedef test<const char *, void (*)()> test_case;
typedef const test_case * test_case_iterator;
extern const test_case_iterator begin, end;
}
int main()
{
using namespace any_tests;
tester<test_case_iterator> test_suite(begin, end);
return test_suite() ? EXIT_SUCCESS : EXIT_FAILURE;
}
namespace any_tests // test suite
{
void test_move_construction();
void test_move_assignment();
void test_copy_construction();
void test_copy_assignment();
void test_move_construction_from_value();
void test_move_assignment_from_value();
void test_copy_construction_from_value();
void test_copy_assignment_from_value();
void test_construction_from_const_any_rv();
void test_cast_to_rv();
const test_case test_cases[] =
{
{ "move construction of any", test_move_construction },
{ "move assignment of any", test_move_assignment },
{ "copy construction of any", test_copy_construction },
{ "copy assignment of any", test_copy_assignment },
{ "move construction from value", test_move_construction_from_value },
{ "move assignment from value", test_move_assignment_from_value },
{ "copy construction from value", test_copy_construction_from_value },
{ "copy assignment from value", test_copy_assignment_from_value },
{ "constructing from const any&&", test_construction_from_const_any_rv },
{ "casting to rvalue reference", test_cast_to_rv }
};
const test_case_iterator begin = test_cases;
const test_case_iterator end =
test_cases + (sizeof test_cases / sizeof *test_cases);
class move_copy_conting_class {
public:
static unsigned int moves_count;
static unsigned int copy_count;
move_copy_conting_class(){}
move_copy_conting_class(move_copy_conting_class&& /*param*/) {
++ moves_count;
}
move_copy_conting_class& operator=(move_copy_conting_class&& /*param*/) {
++ moves_count;
return *this;
}
move_copy_conting_class(const move_copy_conting_class&) {
++ copy_count;
}
move_copy_conting_class& operator=(const move_copy_conting_class& /*param*/) {
++ copy_count;
return *this;
}
};
unsigned int move_copy_conting_class::moves_count = 0;
unsigned int move_copy_conting_class::copy_count = 0;
}
namespace any_tests // test definitions
{
using namespace boost;
void test_move_construction()
{
any value0 = move_copy_conting_class();
move_copy_conting_class::copy_count = 0;
move_copy_conting_class::moves_count = 0;
any value(boost::move(value0));
check(value0.empty(), "moved away value is empty");
check_false(value.empty(), "empty");
check_equal(value.type(), typeindex::type_id<move_copy_conting_class>(), "type");
check_non_null(any_cast<move_copy_conting_class>(&value), "any_cast<move_copy_conting_class>");
check_equal(
move_copy_conting_class::copy_count, 0u,
"checking copy counts");
check_equal(
move_copy_conting_class::moves_count, 0u,
"checking move counts");
}
void test_move_assignment()
{
any value0 = move_copy_conting_class();
any value = move_copy_conting_class();
move_copy_conting_class::copy_count = 0;
move_copy_conting_class::moves_count = 0;
value = boost::move(value0);
check(value0.empty(), "moved away is empty");
check_false(value.empty(), "empty");
check_equal(value.type(), typeindex::type_id<move_copy_conting_class>(), "type");
check_non_null(any_cast<move_copy_conting_class>(&value), "any_cast<move_copy_conting_class>");
check_equal(
move_copy_conting_class::copy_count, 0u,
"checking copy counts");
check_equal(
move_copy_conting_class::moves_count, 0u,
"checking move counts");
}
void test_copy_construction()
{
any value0 = move_copy_conting_class();
move_copy_conting_class::copy_count = 0;
move_copy_conting_class::moves_count = 0;
any value(value0);
check_false(value0.empty(), "copied value is not empty");
check_false(value.empty(), "empty");
check_equal(value.type(), typeindex::type_id<move_copy_conting_class>(), "type");
check_non_null(any_cast<move_copy_conting_class>(&value), "any_cast<move_copy_conting_class>");
check_equal(
move_copy_conting_class::copy_count, 1u,
"checking copy counts");
check_equal(
move_copy_conting_class::moves_count, 0u,
"checking move counts");
}
void test_copy_assignment()
{
any value0 = move_copy_conting_class();
any value = move_copy_conting_class();
move_copy_conting_class::copy_count = 0;
move_copy_conting_class::moves_count = 0;
value = value0;
check_false(value0.empty(), "copied value is not empty");
check_false(value.empty(), "empty");
check_equal(value.type(), typeindex::type_id<move_copy_conting_class>(), "type");
check_non_null(any_cast<move_copy_conting_class>(&value), "any_cast<move_copy_conting_class>");
check_equal(
move_copy_conting_class::copy_count, 1u,
"checking copy counts");
check_equal(
move_copy_conting_class::moves_count, 0u,
"checking move counts");
}
void test_move_construction_from_value()
{
move_copy_conting_class value0;
move_copy_conting_class::copy_count = 0;
move_copy_conting_class::moves_count = 0;
#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
any value(boost::move(value0));
#else
any value(value0);
#endif
check_false(value.empty(), "empty");
check_equal(value.type(), typeindex::type_id<move_copy_conting_class>(), "type");
check_non_null(any_cast<move_copy_conting_class>(&value), "any_cast<move_copy_conting_class>");
#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
check_equal(
move_copy_conting_class::copy_count, 0u,
"checking copy counts");
check_equal(
move_copy_conting_class::moves_count, 1u,
"checking move counts");
#endif
}
void test_move_assignment_from_value()
{
move_copy_conting_class value0;
any value;
move_copy_conting_class::copy_count = 0;
move_copy_conting_class::moves_count = 0;
#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
value = boost::move(value0);
#else
value = value0;
#endif
check_false(value.empty(), "empty");
check_equal(value.type(), typeindex::type_id<move_copy_conting_class>(), "type");
check_non_null(any_cast<move_copy_conting_class>(&value), "any_cast<move_copy_conting_class>");
#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
check_equal(
move_copy_conting_class::copy_count, 0u,
"checking copy counts");
check_equal(
move_copy_conting_class::moves_count, 1u,
"checking move counts");
#endif
}
void test_copy_construction_from_value()
{
move_copy_conting_class value0;
move_copy_conting_class::copy_count = 0;
move_copy_conting_class::moves_count = 0;
any value(value0);
check_false(value.empty(), "empty");
check_equal(value.type(), typeindex::type_id<move_copy_conting_class>(), "type");
check_non_null(any_cast<move_copy_conting_class>(&value), "any_cast<move_copy_conting_class>");
check_equal(
move_copy_conting_class::copy_count, 1u,
"checking copy counts");
check_equal(
move_copy_conting_class::moves_count, 0u,
"checking move counts");
}
void test_copy_assignment_from_value()
{
move_copy_conting_class value0;
any value;
move_copy_conting_class::copy_count = 0;
move_copy_conting_class::moves_count = 0;
value = value0;
check_false(value.empty(), "empty");
check_equal(value.type(), typeindex::type_id<move_copy_conting_class>(), "type");
check_non_null(any_cast<move_copy_conting_class>(&value), "any_cast<move_copy_conting_class>");
check_equal(
move_copy_conting_class::copy_count, 1u,
"checking copy counts");
check_equal(
move_copy_conting_class::moves_count, 0u,
"checking move counts");
}
const any helper_method() {
return true;
}
const bool helper_method1() {
return true;
}
void test_construction_from_const_any_rv()
{
any values[] = {helper_method(), helper_method1() };
(void)values;
}
void test_cast_to_rv()
{
move_copy_conting_class value0;
any value;
value = value0;
move_copy_conting_class::copy_count = 0;
move_copy_conting_class::moves_count = 0;
move_copy_conting_class value1 = any_cast<move_copy_conting_class&&>(value);
check_equal(
move_copy_conting_class::copy_count, 0u,
"checking copy counts");
check_equal(
move_copy_conting_class::moves_count, 1u,
"checking move counts");
(void)value1;
/* Following code shall fail to compile
const any cvalue = value0;
move_copy_conting_class::copy_count = 0;
move_copy_conting_class::moves_count = 0;
move_copy_conting_class value2 = any_cast<move_copy_conting_class&&>(cvalue);
check_equal(
move_copy_conting_class::copy_count, 1u,
"checking copy counts");
check_equal(
move_copy_conting_class::moves_count, 0u,
"checking move counts");
(void)value2;
*/
}
}
#endif
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