1 // Copyright 2015-2018 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 <boost/histogram/accumulators/count.hpp>
9 #include <boost/histogram/accumulators/ostream.hpp>
10 #include "throw_exception.hpp"
11 #include "utility_str.hpp"
12
13 using namespace boost::histogram;
14 using namespace std::literals;
15
main()16 int main() {
17 using c_t = accumulators::count<double>;
18
19 c_t c;
20 ++c;
21 BOOST_TEST_EQ(c.value(), 1);
22 BOOST_TEST_EQ(str(c), "1"s);
23 BOOST_TEST_EQ(str(c, 2, false), " 1"s);
24 BOOST_TEST_EQ(str(c, 2, true), "1 "s);
25
26 c += 2;
27 BOOST_TEST_EQ(str(c), "3"s);
28
29 BOOST_TEST_EQ(c, 3);
30 BOOST_TEST_NE(c, 2);
31
32 c_t one(1), two(2), one_copy(1);
33 BOOST_TEST_LT(one, two);
34 BOOST_TEST_LE(one, two);
35 BOOST_TEST_LE(one, one_copy);
36 BOOST_TEST_GT(two, one);
37 BOOST_TEST_GE(two, one);
38 BOOST_TEST_GE(one, one_copy);
39
40 BOOST_TEST_EQ(c_t{} += c_t{}, c_t{});
41
42 return boost::report_errors();
43 }
44