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93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
// Copyright 2015-2018 Hans Dembinski
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/core/lightweight_test.hpp>
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#include <boost/histogram/axis/category.hpp>
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#include <boost/histogram/axis/ostream.hpp>
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#include <boost/histogram/detail/cat.hpp>
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#include <limits>
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#include <sstream>
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#include <string>
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#include <type_traits>
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#include "std_ostream.hpp"
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#include "throw_exception.hpp"
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#include "utility_axis.hpp"
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using namespace boost::histogram;
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int main() {
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BOOST_TEST(std::is_nothrow_move_assignable<axis::category<int>>::value);
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BOOST_TEST(std::is_nothrow_move_assignable<axis::category<std::string>>::value);
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// bad_ctors
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{
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auto empty = std::vector<int>(0);
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BOOST_TEST_THROWS((axis::category<>(empty)), std::invalid_argument);
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}
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// axis::category
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{
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std::string A("A"), B("B"), C("C"), other;
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axis::category<std::string> a({A, B, C}, "foo");
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BOOST_TEST_EQ(a.metadata(), "foo");
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BOOST_TEST_EQ(static_cast<const axis::category<std::string>&>(a).metadata(), "foo");
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a.metadata() = "bar";
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BOOST_TEST_EQ(static_cast<const axis::category<std::string>&>(a).metadata(), "bar");
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BOOST_TEST_EQ(a.size(), 3);
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BOOST_TEST_EQ(a.index(A), 0);
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BOOST_TEST_EQ(a.index(B), 1);
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BOOST_TEST_EQ(a.index(C), 2);
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BOOST_TEST_EQ(a.index(other), 3);
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BOOST_TEST_EQ(a.value(0), A);
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BOOST_TEST_EQ(a.value(1), B);
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BOOST_TEST_EQ(a.value(2), C);
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BOOST_TEST_THROWS(a.value(3), std::out_of_range);
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BOOST_TEST_EQ(detail::cat(a),
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"category(\"A\", \"B\", \"C\", metadata=\"bar\", options=overflow)");
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axis::category<std::string> b;
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BOOST_TEST_NE(a, b);
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b = a;
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BOOST_TEST_EQ(a, b);
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b = axis::category<std::string>{{B, A, C}};
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BOOST_TEST_NE(a, b);
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b = a;
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BOOST_TEST_EQ(a, b);
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axis::category<std::string> c = std::move(b);
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BOOST_TEST_EQ(c, a);
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axis::category<std::string> d;
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BOOST_TEST_NE(c, d);
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d = std::move(c);
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BOOST_TEST_EQ(d, a);
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}
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// axis::category with growth
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{
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axis::category<int, axis::null_type, axis::option::growth_t> a;
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BOOST_TEST_EQ(a.size(), 0);
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BOOST_TEST_EQ(a.update(5), std::make_pair(0, -1));
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BOOST_TEST_EQ(a.size(), 1);
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BOOST_TEST_EQ(a.update(1), std::make_pair(1, -1));
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BOOST_TEST_EQ(a.size(), 2);
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BOOST_TEST_EQ(a.update(10), std::make_pair(2, -1));
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BOOST_TEST_EQ(a.size(), 3);
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BOOST_TEST_EQ(a.update(10), std::make_pair(2, 0));
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BOOST_TEST_EQ(a.size(), 3);
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BOOST_TEST_EQ(detail::cat(a), "category(5, 1, 10, options=growth)");
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}
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// iterators
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{
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test_axis_iterator(axis::category<>({3, 1, 2}, ""), 0, 3);
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test_axis_iterator(axis::category<std::string>({"A", "B"}, ""), 0, 2);
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}
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return boost::report_errors();
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}
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