1 // Copyright 2018 Hans Dembinski
2 //
3 // Distributed under the Boost Software License, Version 1.0.
4 // (See accompanying file LICENSE_1_0.txt
5 // or copy at http://www.boost.org/LICENSE_1_0.txt)
6
7 #include <boost/core/lightweight_test.hpp>
8 #include "throw_exception.hpp"
9 #include <sstream>
10 #include <tuple>
11 #include <vector>
12 #include "utility_allocator.hpp"
13 #include "std_ostream.hpp"
14
15 using namespace boost::histogram;
16
main()17 int main() {
18 // vector streaming
19 {
20 std::ostringstream os;
21 std::vector<int> v = {1, 3, 2};
22 os << v;
23 BOOST_TEST_EQ(os.str(), std::string("[ 1 3 2 ]"));
24 }
25
26 // tuple streaming
27 {
28 std::ostringstream os;
29 auto v = std::make_tuple(1, 2.5, "hi");
30 os << v;
31 BOOST_TEST_EQ(os.str(), std::string("[ 1 2.5 hi ]"));
32 }
33
34 // tracing_allocator
35 {
36 tracing_allocator_db db;
37 tracing_allocator<char> a(db);
38 auto p1 = a.allocate(2);
39 a.deallocate(p1, 2);
40 tracing_allocator<int> b(a);
41 auto p2 = b.allocate(3);
42 b.deallocate(p2, 3);
43 BOOST_TEST_EQ(db.size(), 2);
44 BOOST_TEST_EQ(db.at<char>().first, 0);
45 BOOST_TEST_EQ(db.at<char>().second, 2);
46 BOOST_TEST_EQ(db.at<int>().first, 0);
47 BOOST_TEST_EQ(db.at<int>().second, 3);
48 BOOST_TEST_EQ(db.first, 0);
49 BOOST_TEST_EQ(db.second, 2 + 3 * sizeof(int));
50 }
51
52 return boost::report_errors();
53 }
54