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1 | // |
2 | // Copyright 2019 Mateusz Loskot <mateusz at loskot dot net> | |
3 | // | |
4 | // Distributed under the Boost Software License, Version 1.0 | |
5 | // See accompanying file LICENSE_1_0.txt or copy at | |
6 | // http://www.boost.org/LICENSE_1_0.txt | |
7 | // | |
8 | #include <boost/config.hpp> | |
9 | #include <boost/core/ignore_unused.hpp> | |
10 | ||
11 | #if defined(BOOST_CLANG) | |
12 | #pragma clang diagnostic push | |
13 | #pragma clang diagnostic ignored "-Wconversion" | |
14 | #pragma clang diagnostic ignored "-Wfloat-equal" | |
15 | #pragma clang diagnostic ignored "-Wsign-conversion" | |
16 | #elif BOOST_GCC >= 40700 | |
17 | #pragma GCC diagnostic push | |
18 | #pragma GCC diagnostic ignored "-Wconversion" | |
19 | #pragma GCC diagnostic ignored "-Wfloat-equal" | |
20 | #pragma GCC diagnostic ignored "-Wsign-conversion" | |
21 | #endif | |
22 | ||
23 | #include <boost/gil.hpp> | |
24 | ||
25 | #include <algorithm> | |
26 | #include <cstdint> | |
27 | #include <vector> | |
28 | ||
29 | #define BOOST_TEST_MODULE test_ext_numeric_test_fixture | |
30 | #include "unit_test.hpp" | |
31 | #include "test_fixture.hpp" | |
32 | ||
33 | namespace gil = boost::gil; | |
34 | namespace fixture = boost::gil::test::fixture; | |
35 | ||
36 | BOOST_AUTO_TEST_CASE(consecutive_value) | |
37 | { | |
38 | fixture::consecutive_value<std::uint8_t> v(10); | |
39 | BOOST_TEST(v() = std::uint8_t{11}); | |
40 | BOOST_TEST(v() = std::uint8_t{12}); | |
41 | BOOST_TEST(v() = std::uint8_t{13}); | |
42 | } | |
43 | ||
44 | BOOST_AUTO_TEST_CASE(reverse_consecutive_value) | |
45 | { | |
46 | fixture::reverse_consecutive_value<std::uint8_t> v(10); | |
47 | BOOST_TEST(v() = std::uint8_t{9}); | |
48 | BOOST_TEST(v() = std::uint8_t{8}); | |
49 | BOOST_TEST(v() = std::uint8_t{7}); | |
50 | } | |
51 | ||
52 | BOOST_AUTO_TEST_CASE(random_value) | |
53 | { | |
54 | // Generate N pseudo-random values | |
55 | fixture::random_value<std::uint8_t> random; | |
56 | std::vector<std::uint8_t> v(10, 0); | |
57 | for (auto& i : v) i = random(); | |
58 | ||
59 | // Require not all of N values are equal (duplicates are possible!) | |
60 | std::sort(v.begin(), v.end()); | |
61 | auto last = std::unique(v.begin(), v.end()); | |
62 | v.erase(last, v.end()); | |
63 | BOOST_TEST(v.size() > 0); | |
64 | BOOST_TEST(v.size() <= 10); | |
65 | } |