72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
//
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// Copyright 2019 Mateusz Loskot <mateusz at loskot dot net>
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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 or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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#if defined(BOOST_CLANG)
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wconversion"
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#pragma clang diagnostic ignored "-Wfloat-equal"
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#pragma clang diagnostic ignored "-Wsign-conversion"
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#elif BOOST_GCC >= 40700
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wconversion"
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#pragma GCC diagnostic ignored "-Wfloat-equal"
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#pragma GCC diagnostic ignored "-Wsign-conversion"
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#endif
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#include <boost/gil.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <algorithm>
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#include <cstdint>
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#include <vector>
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#include "test_fixture.hpp"
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namespace gil = boost::gil;
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namespace fixture = boost::gil::test::fixture;
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void test_consecutive_value()
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{
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fixture::consecutive_value<std::uint8_t> v(10);
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BOOST_TEST_EQ(v(), std::uint8_t{11});
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BOOST_TEST_EQ(v(), std::uint8_t{12});
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BOOST_TEST_EQ(v(), std::uint8_t{13});
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}
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void test_reverse_consecutive_value()
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{
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fixture::reverse_consecutive_value<std::uint8_t> v(10);
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BOOST_TEST_EQ(v(), std::uint8_t{9});
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BOOST_TEST_EQ(v(), std::uint8_t{8});
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BOOST_TEST_EQ(v(), std::uint8_t{7});
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}
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void test_random_value()
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{
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// Generate N pseudo-random values
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fixture::random_value<std::uint8_t> random;
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std::vector<std::uint8_t> v(10, 0);
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for (auto& i : v) i = random();
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// Require not all of N values are equal (duplicates are possible!)
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std::sort(v.begin(), v.end());
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auto last = std::unique(v.begin(), v.end());
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v.erase(last, v.end());
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BOOST_TEST_GT(v.size(), 0);
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BOOST_TEST_LE(v.size(), 10);
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}
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int main()
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{
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test_consecutive_value();
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test_reverse_consecutive_value();
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test_random_value();
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return boost::report_errors();
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}
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