author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 02:01:42 +0200 | |
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permissions | -rw-r--r-- |
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//----------------------------------------------------------------------------- |
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// boost-libs variant/test/test8.cpp header file |
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// See http://www.boost.org for updates, documentation, and revision history. |
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//----------------------------------------------------------------------------- |
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// |
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// Copyright (c) 2003 |
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// Eric Friedman, Itay Maman |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See |
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// accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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/* |
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* © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved. |
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*/ |
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#include "boost/test/minimal.hpp" |
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#include "boost/variant.hpp" |
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#include <iostream> |
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#include <vector> |
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#include <string> |
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using namespace std; |
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using namespace boost; |
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typedef variant<float, std::string, int, std::vector<std::string> > t_var1; |
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struct int_sum : static_visitor<> |
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{ |
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int_sum() : result_(0) { } |
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void operator()(int t) |
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{ |
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result_ += t; |
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} |
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result_type operator()(float ) { } |
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result_type operator()(const std::string& ) { } |
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result_type operator()(const std::vector<std::string>& ) { } |
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int result_; |
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}; |
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template <typename T, typename Variant> |
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T& check_pass(Variant& v, T value) |
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{ |
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BOOST_CHECK(get<T>(&v)); |
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try |
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{ |
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T& r = get<T>(v); |
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BOOST_CHECK(r == value); |
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return r; |
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} |
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catch(boost::bad_get&) |
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{ |
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throw; // must never reach |
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} |
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} |
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template <typename T, typename Variant> |
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void check_fail(Variant& v) |
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{ |
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BOOST_CHECK(!get<T>(&v)); |
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try |
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{ |
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T& r = get<T>(v); |
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BOOST_CHECK(false && &r); // should never reach |
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} |
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catch(boost::bad_get&) |
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{ |
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// (do nothing here) |
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} |
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} |
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int test_main(int , char* []) |
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{ |
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int_sum acc; |
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t_var1 v1 = 800; |
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std_log(LOG_FILENAME_LINE,"[Test Case for test8]"); |
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// check get on non-const variant |
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{ |
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int& r1 = check_pass<int>(v1, 800); |
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const int& cr1 = check_pass<const int>(v1, 800); |
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check_fail<float>(v1); |
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check_fail<const float>(v1); |
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check_fail<short>(v1); |
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check_fail<const short>(v1); |
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apply_visitor(acc, v1); |
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BOOST_CHECK(acc.result_ == 800); |
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r1 = 920; // NOTE: modifies content of v1 |
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apply_visitor(acc, v1); |
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BOOST_CHECK(cr1 == 920); |
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BOOST_CHECK(acc.result_ == 800 + 920); |
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} |
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// check const correctness: |
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{ |
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const t_var1& c = v1; |
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check_pass<const int>(c, 920); |
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107 |
//check_fail<int>(c); |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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check_fail<const float>(c); |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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109 |
//check_fail<float>(c); |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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110 |
check_fail<const short>(c); |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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111 |
//check_fail<short>(c); |
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112 |
} |
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113 |
#ifdef __SYMBIAN32__ |
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testResultXml("test8"); |
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115 |
close_log_file(); |
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116 |
#endif |
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return boost::exit_success; |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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118 |
} |