1 | //-----------------------------------------------------------------------------
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2 | // boost-libs variant/test/variant_multivisit_test.cpp source file
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3 | // See http://www.boost.org for updates, documentation, and revision history.
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4 | //-----------------------------------------------------------------------------
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5 | //
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6 | // Copyright (c) 2013
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7 | // Antony Polukhin
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8 | //
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9 | // Distributed under the Boost Software License, Version 1.0. (See
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10 | // accompanying file LICENSE_1_0.txt or copy at
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11 | // http://www.boost.org/LICENSE_1_0.txt)
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12 |
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13 | #include "boost/config.hpp"
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14 | #define BOOST_VARAINT_MAX_MULTIVIZITOR_PARAMS 6
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15 | #include "../../../margot/applications/common/functions/multivisitors.hpp"
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16 |
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17 | #include "boost/test/minimal.hpp"
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18 |
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19 | typedef boost::variant<char, unsigned char, signed char> variant3_t;
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20 | typedef boost::variant<char, unsigned char, signed char, unsigned short> variant4_t;
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21 | typedef boost::variant<char, unsigned char, signed char, unsigned short, int> variant5_t;
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22 | typedef boost::variant<char, unsigned char, signed char, unsigned short, int, unsigned int> variant6_t;
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23 |
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24 | struct test_visitor: boost::static_visitor<> {
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25 | // operators that shall not be called
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26 | template <class T1, class T2, class T3>
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27 | void operator()(T1, T2, T3) const
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28 | {
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29 | BOOST_CHECK(false);
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30 | }
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31 |
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32 | template <class T1, class T2, class T3, class T4>
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33 | void operator()(T1, T2, T3, T4) const
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34 | {
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35 | BOOST_CHECK(false);
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36 | }
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37 |
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38 | template <class T1, class T2, class T3, class T4, class T5>
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39 | void operator()(T1, T2, T3, T4, T5) const
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40 | {
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41 | BOOST_CHECK(false);
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42 | }
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43 |
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44 | template <class T1, class T2, class T3, class T4, class T5, class T6>
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45 | void operator()(T1, T2, T3, T4, T5, T6) const
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46 | {
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47 | BOOST_CHECK(false);
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48 | }
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49 |
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50 | // operators that are OK to call
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51 | void operator()(char, unsigned char, signed char) const
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52 | {
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53 | BOOST_CHECK(true);
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54 | }
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55 |
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56 | void operator()(char, unsigned char, signed char, unsigned short) const
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57 | {
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58 | BOOST_CHECK(true);
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59 | }
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60 |
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61 | void operator()(char, unsigned char, signed char, unsigned short, int) const
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62 | {
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63 | BOOST_CHECK(true);
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64 | }
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65 |
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66 | void operator()(char, unsigned char, signed char, unsigned short, int, unsigned int) const
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67 | {
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68 | BOOST_CHECK(true);
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69 | }
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70 | };
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71 |
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72 | int test_main(int , char* [])
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73 | {
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74 | test_visitor v;
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75 |
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76 | variant3_t v_array3[] = {
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77 | char(), unsigned char(), signed char()
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78 | };
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79 | boost::apply_visitor(v, v_array3[0], v_array3[1], v_array3[2]);
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80 | boost::apply_visitor(test_visitor(), v_array3[0], v_array3[1], v_array3[2]);
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81 |
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82 | variant4_t v_array4[] = {
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83 | char(), unsigned char(), signed char(), unsigned short()
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84 | };
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85 | boost::apply_visitor(v, v_array4[0], v_array4[1], v_array4[2], v_array4[3]);
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86 | boost::apply_visitor(test_visitor(), v_array4[0], v_array4[1], v_array4[2], v_array4[3]);
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87 |
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88 | // Following test also pass, but requires many Gigabytes of RAM for compilation and compile for about 45 minutes
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89 | //#define BOOST_VARIANT_MULTIVISITORS_TEST_VERY_EXTREME
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90 | #ifdef BOOST_VARIANT_MULTIVISITORS_TEST_VERY_EXTREME
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91 | variant5_t v_array5[] = {
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92 | char(), unsigned char(), signed char(), unsigned short(), int()
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93 | };
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94 | boost::apply_visitor(v, v_array5[0], v_array5[1], v_array5[2], v_array5[3], v_array5[4]);
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95 | boost::apply_visitor(test_visitor(), v_array5[0], v_array5[1], v_array5[2], v_array5[3], v_array5[4]);
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96 |
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97 | variant6_t v_array6[] = {
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98 | char(), unsigned char(), signed char(), unsigned short(), int(), unsigned int()
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99 | };
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100 | boost::apply_visitor(v, v_array6[0], v_array6[1], v_array6[2], v_array6[3], v_array6[4], v_array6[5]);
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101 | boost::apply_visitor(test_visitor(), v_array6[0], v_array6[1], v_array6[2], v_array6[3], v_array6[4], v_array6[5]);
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102 | #endif
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103 |
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104 | return boost::exit_success;
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105 | }
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