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/*
Copyright (c) Marshall Clow 2014.
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)
For more information, see http://www.boost.org
*/
#include <iostream>
#include <functional>
#include <boost/config.hpp>
#include <boost/algorithm/algorithm.hpp>
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
namespace ba = boost::algorithm;
void test_power ()
{
BOOST_CHECK ( ba::power(0, 0) == 1);
BOOST_CHECK ( ba::power(5, 0) == 1);
BOOST_CHECK ( ba::power(1, 1) == 1);
BOOST_CHECK ( ba::power(1, 4) == 1);
BOOST_CHECK ( ba::power(3, 2) == 9);
BOOST_CHECK ( ba::power(2, 3) == 8);
BOOST_CHECK ( ba::power(3, 3) == 27);
BOOST_CHECK ( ba::power(2, 30) == 0x40000000);
BOOST_CHECK ( ba::power(5L, 10) == 3125*3125);
BOOST_CHECK ( ba::power(18, 3) == 18*18*18);
BOOST_CHECK ( ba::power(3,2) == ba::power(3,2, std::multiplies<int>()));
BOOST_CHECK ( ba::power(3,2, std::plus<int>()) == 6);
}
void test_power_constexpr ()
{
BOOST_CXX14_CONSTEXPR bool check_zero_power1 =
ba::power(0, 0) == 1;
BOOST_CHECK(check_zero_power1);
BOOST_CXX14_CONSTEXPR bool check_zero_power2 =
ba::power(5, 0) == 1;
BOOST_CHECK(check_zero_power2);
BOOST_CXX14_CONSTEXPR bool check_one_base1 =
ba::power(1, 1) == 1;
BOOST_CHECK(check_one_base1);
BOOST_CXX14_CONSTEXPR bool check_one_base2 =
ba::power(1, 4) == 1;
BOOST_CHECK(check_one_base2);
BOOST_CXX14_CONSTEXPR bool check_power1 =
ba::power(3, 2) == 9;
BOOST_CHECK(check_power1);
BOOST_CXX14_CONSTEXPR bool check_power2 =
ba::power(2, 3) == 8;
BOOST_CHECK(check_power2);
BOOST_CXX14_CONSTEXPR bool check_power3 =
ba::power(3, 3) == 27;
BOOST_CHECK(check_power3);
BOOST_CXX14_CONSTEXPR bool check_power4 =
ba::power(2, 30) == 0x40000000;
BOOST_CHECK(check_power4);
BOOST_CXX14_CONSTEXPR bool check_power5 =
ba::power(5L, 10) == 3125*3125;
BOOST_CHECK(check_power5);
BOOST_CXX14_CONSTEXPR bool check_power6 =
ba::power(18, 3) == 18*18*18;
BOOST_CHECK(check_power6);
BOOST_CXX14_CONSTEXPR bool check_multiple =
ba::power(3, 2, std::multiplies<int>()) == ba::power(3, 2);
BOOST_CHECK(check_multiple);
BOOST_CXX14_CONSTEXPR bool check_plus =
ba::power(3, 2, std::plus<int>()) == 6;
BOOST_CHECK(check_plus);
}
BOOST_AUTO_TEST_CASE( test_main ) {
test_power ();
test_power_constexpr ();
}
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