histogram/test/utility_test.cpp
2019-06-08 16:28:56 +02:00

54 lines
1.3 KiB
C++

// Copyright 2018 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 "throw_exception.hpp"
#include <sstream>
#include <tuple>
#include <vector>
#include "utility_allocator.hpp"
#include "std_ostream.hpp"
using namespace boost::histogram;
int main() {
// vector streaming
{
std::ostringstream os;
std::vector<int> v = {1, 3, 2};
os << v;
BOOST_TEST_EQ(os.str(), std::string("[ 1 3 2 ]"));
}
// tuple streaming
{
std::ostringstream os;
auto v = std::make_tuple(1, 2.5, "hi");
os << v;
BOOST_TEST_EQ(os.str(), std::string("[ 1 2.5 hi ]"));
}
// tracing_allocator
{
tracing_allocator_db db;
tracing_allocator<char> a(db);
auto p1 = a.allocate(2);
a.deallocate(p1, 2);
tracing_allocator<int> b(a);
auto p2 = b.allocate(3);
b.deallocate(p2, 3);
BOOST_TEST_EQ(db.size(), 2);
BOOST_TEST_EQ(db.at<char>().first, 0);
BOOST_TEST_EQ(db.at<char>().second, 2);
BOOST_TEST_EQ(db.at<int>().first, 0);
BOOST_TEST_EQ(db.at<int>().second, 3);
BOOST_TEST_EQ(db.first, 0);
BOOST_TEST_EQ(db.second, 2 + 3 * sizeof(int));
}
return boost::report_errors();
}