1 //-----------------------------------------------------------------------------

     2 // boost-libs variant/test/test5.cpp header file

     3 // See http://www.boost.org for updates, documentation, and revision history.

     4 //-----------------------------------------------------------------------------

     5 //

     6 // Copyright (c) 2003

     7 // Eric Friedman, Itay Maman

     8 //

     9 // Distributed under the Boost Software License, Version 1.0. (See

    10 // accompanying file LICENSE_1_0.txt or copy at

    11 // http://www.boost.org/LICENSE_1_0.txt)

    12 /*

    13  * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.

    14 */

    15 

    16 #include "boost/test/minimal.hpp"

    17 #include "boost/variant.hpp"

    18 

    19 #include "jobs.h"

    20 

    21 #include <assert.h>

    22 #include <iostream>

    23 #include <string>

    24 #include <vector>

    25 #ifdef __SYMBIAN32__

    26 #include "std_log_result.h"

    27 #define LOG_FILENAME_LINE __FILE__, __LINE__

    28 #endif

    29 void run()

    30 {

    31    using std::string;

    32    using boost::variant;

    33    using boost::apply_visitor;

    34 

    35    typedef variant<int, float, unsigned short, unsigned char> t_var1;

    36    typedef variant<int, t_var1, unsigned short, unsigned char> t_var2;

    37    typedef variant<string, int, t_var2> t_var3;

    38 

    39    t_var1 v1;

    40    t_var2 v2;

    41    t_var2 v2_second;

    42    t_var3 v3;

    43 

    44    const char c0 = 'x';

    45    v1 = c0;

    46 

    47    //v2 and v3 are holding (aka: containing) a variant

    48    v2 = v1;

    49    v3 = v2;

    50 

    51    verify(v1, spec<int>());

    52    verify(v2, spec<t_var1>());

    53    verify(v3, spec<t_var2>());

    54 

    55 

    56    //

    57    // assignment from const char (Converted to int)

    58    //

    59    v2 = c0;

    60    v3 = c0;

    61 

    62    verify(v2, spec<int>());

    63    verify(v3, spec<int>());

    64 

    65 

    66    BOOST_CHECK(apply_visitor(sum_int(), v2) == c0);

    67    BOOST_CHECK(apply_visitor(sum_int(), v3) == c0);

    68 

    69    sum_int adder;

    70    apply_visitor(adder, v2);

    71    apply_visitor(adder, v3);

    72 

    73    BOOST_CHECK(adder.result() == 2*c0);

    74 

    75    //

    76    // A variant holding a variant

    77    //

    78    typedef variant<unsigned char, float> t_var4;

    79    typedef variant<string, t_var4> t_var5;

    80 

    81    t_var4 v4;

    82    t_var5 v5;

    83 

    84    v5 = 22.5f;

    85    verify(v5, spec<t_var4>(), "[V] [V] 22.5");

    86 }

    87 

    88 

    89 

    90 int test_main(int , char* [])

    91 {

    92 std_log(LOG_FILENAME_LINE,"[Test Case for test5]");

    93    run();

    94 #ifdef __SYMBIAN32__

    95    	testResultXml("test5");

    96 	close_log_file();

    97 #endif

    98    return 0;

    99 }

   100