1 // (C) Copyright Gennadiy Rozental 2011-2015.
2 // Distributed under the Boost Software License, Version 1.0.
3 // (See accompanying file LICENSE_1_0.txt or copy at
4 // http://www.boost.org/LICENSE_1_0.txt)
5
6 // See http://www.boost.org/libs/test for the library home page.
7 //
8 // File : $RCSfile$
9 //
10 // Version : $Revision$
11 //
12 // Description : tests singleton dataset
13 // ***************************************************************************
14
15 // Boost.Test
16 #include <boost/test/unit_test.hpp>
17 #include <boost/test/data/monomorphic/generators/xrange.hpp>
18 #include <boost/test/data/monomorphic/join.hpp>
19 #include <boost/test/data/for_each_sample.hpp>
20 namespace data=boost::unit_test::data;
21
22 #include "datasets-test.hpp"
23
24 //____________________________________________________________________________//
25
BOOST_AUTO_TEST_CASE(test_single_range)26 BOOST_AUTO_TEST_CASE( test_single_range )
27 {
28 BOOST_TEST( data::xrange( 5 ).size() == 5 );
29 BOOST_TEST( data::xrange( 3. ).size() == 3 );
30 BOOST_CHECK_THROW( data::xrange( -5 ), std::logic_error );
31 BOOST_CHECK_THROW( data::xrange( 0 ), std::logic_error );
32
33 BOOST_TEST( data::xrange( 1, 5 ).size() == 4 );
34 BOOST_TEST( data::xrange( -5, 0 ).size() == 5 );
35 BOOST_TEST( data::xrange( 1., 7.5 ).size() == 7 );
36 BOOST_CHECK_THROW( data::xrange( 0, 0 ), std::logic_error );
37 BOOST_CHECK_THROW( data::xrange( 3, 1 ), std::logic_error );
38
39 BOOST_TEST( data::xrange( 3, 9, 2 ).size() == 3 );
40 BOOST_TEST( data::xrange( 5, 0, -1 ).size() == 5 );
41 BOOST_TEST( data::xrange( 1, 10, 2 ).size() == 5 );
42 BOOST_TEST( data::xrange( 1, 10, 3 ).size() == 3 );
43 BOOST_TEST( data::xrange( 1, 10, 8 ).size() == 2 );
44 BOOST_TEST( data::xrange( 0., 3., 0.4 ).size() == 8 );
45 BOOST_TEST( data::xrange( 1e-6, 2.e-6, 1e-9 ).size() == 1000 );
46
47 BOOST_TEST( data::xrange<int>(( data::begin = 9, data::end = 15 )).size() == 6 );
48 BOOST_TEST( data::xrange<double>(( data::step = 0.5, data::end = 3 )).size() == 6 );
49
50 int c = 0;
51 data::for_each_sample( data::xrange( 3 ), [&c](int a) {
52 BOOST_TEST( a == c++ );
53 });
54
55 c = 1;
56 data::for_each_sample( data::xrange( 1, 10, 2 ), [&c](int a) {
57 BOOST_TEST( a == c );
58 c += 2;
59 });
60 }
61
62 //____________________________________________________________________________//
63
BOOST_AUTO_TEST_CASE(test_range_join)64 BOOST_AUTO_TEST_CASE( test_range_join )
65 {
66 auto ds = data::xrange( 1, 4 ) + data::xrange( 7, 11 );
67
68 BOOST_TEST( ds.size() == 7 );
69
70 invocation_count ic;
71 ic.m_value = 0;
72 data::for_each_sample( ds, ic );
73 BOOST_TEST( ic.m_value == 7 );
74
75 int arr[] = {1,2,3,7,8,9,10};
76 int* exp = arr;
77 int c = 0;
78
79 data::for_each_sample( ds, [&c,exp](int a) {
80 BOOST_TEST( a == exp[c++] );
81 });
82 }
83
84 //____________________________________________________________________________//
85
86 // EOF
87
88
89