ceph/src/boost/libs/test/test/test-organization-ts/datasets-test/xrange-test.cpp

   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
  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
  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