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// Copyright 2015-2019 Hans Dembinski
//
// 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 <boost/core/lightweight_test.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <boost/histogram/accumulators/weighted_sum.hpp>
#include <boost/histogram/detail/common_type.hpp>
#include <boost/histogram/detail/counting_streambuf.hpp>
#include <boost/histogram/detail/non_member_container_access.hpp>
#include <boost/histogram/fwd.hpp>
#include <boost/histogram/literals.hpp>
#include <boost/histogram/storage_adaptor.hpp>
#include <boost/histogram/unlimited_storage.hpp>
#include <ostream>
#include "std_ostream.hpp"
using namespace boost::histogram;
using namespace boost::histogram::literals;
namespace dtl = boost::histogram::detail;
int main() {
// literals
{
BOOST_TEST_TRAIT_SAME(std::integral_constant<unsigned, 0>, decltype(0_c));
BOOST_TEST_TRAIT_SAME(std::integral_constant<unsigned, 3>, decltype(3_c));
BOOST_TEST_EQ(decltype(10_c)::value, 10);
BOOST_TEST_EQ(decltype(213_c)::value, 213);
}
// common_storage
{
BOOST_TEST_TRAIT_SAME(dtl::common_storage<unlimited_storage<>, unlimited_storage<>>,
unlimited_storage<>);
BOOST_TEST_TRAIT_SAME(
dtl::common_storage<dense_storage<double>, dense_storage<double>>,
dense_storage<double>);
BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<int>, dense_storage<double>>,
dense_storage<double>);
BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<double>, dense_storage<int>>,
dense_storage<double>);
BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<double>, unlimited_storage<>>,
dense_storage<double>);
BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<int>, unlimited_storage<>>,
unlimited_storage<>);
BOOST_TEST_TRAIT_SAME(dtl::common_storage<dense_storage<double>, weight_storage>,
weight_storage);
}
// size & data
{
char a[4] = {1, 2, 3, 4};
BOOST_TEST_EQ(dtl::size(a), 4u);
BOOST_TEST_EQ(dtl::data(a), a);
auto b = {1, 2};
BOOST_TEST_EQ(dtl::size(b), 2u);
BOOST_TEST_EQ(dtl::data(b), b.begin());
struct C {
unsigned size() const { return 3; }
int* data() { return buf; }
const int* data() const { return buf; }
int buf[1];
} c;
BOOST_TEST_EQ(dtl::size(c), 3u);
BOOST_TEST_EQ(dtl::data(c), c.buf);
BOOST_TEST_EQ(dtl::data(static_cast<const C&>(c)), c.buf);
struct {
int size() const { return 5; }
} d;
BOOST_TEST_EQ(dtl::size(d), 5u);
}
// counting_streambuf
{
dtl::counting_streambuf<char> cbuf;
std::ostream os(&cbuf);
os.put('x');
BOOST_TEST_EQ(cbuf.count, 1);
os << 12;
BOOST_TEST_EQ(cbuf.count, 3);
os << "123";
BOOST_TEST_EQ(cbuf.count, 6);
}
return boost::report_errors();
}
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