forked from boostorg/conversion
120 lines
4.4 KiB
C++
Executable File
120 lines
4.4 KiB
C++
Executable File
// Unit test for boost::lexical_cast.
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//
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// See http://www.boost.org for most recent version, including documentation.
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//
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// Copyright Antony Polukhin, 2011.
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//
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// Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
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#include <boost/config.hpp>
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#if defined(__INTEL_COMPILER)
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#pragma warning(disable: 193 383 488 981 1418 1419)
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#elif defined(BOOST_MSVC)
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#pragma warning(disable: 4097 4100 4121 4127 4146 4244 4245 4511 4512 4701 4800)
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#endif
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#include <boost/lexical_cast.hpp>
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#include <boost/test/unit_test.hpp>
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#include <boost/range/iterator_range.hpp>
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using namespace boost;
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void test_empty_iterator_range()
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{
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boost::iterator_range<const char*> v;
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BOOST_CHECK_THROW(lexical_cast<int>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<float>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<double>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<long double>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<unsigned int>(v), bad_lexical_cast);
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BOOST_CHECK_EQUAL(lexical_cast<std::string>(v), std::string());
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BOOST_CHECK_THROW(lexical_cast<unsigned short>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
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}
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void test_empty_string()
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{
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std::string v;
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BOOST_CHECK_THROW(lexical_cast<int>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<float>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<double>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<long double>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<unsigned int>(v), bad_lexical_cast);
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BOOST_CHECK_EQUAL(lexical_cast<std::string>(v), std::string());
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BOOST_CHECK_THROW(lexical_cast<unsigned short>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
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}
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struct Escape
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{
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Escape(const std::string& s)
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: str_(s)
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{}
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std::string str_;
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};
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inline std::ostream& operator<< (std::ostream& o, const Escape& rhs)
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{
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return o << rhs.str_;
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}
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void test_empty_user_class()
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{
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Escape v("");
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BOOST_CHECK_THROW(lexical_cast<int>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<float>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<double>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<long double>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<unsigned int>(v), bad_lexical_cast);
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BOOST_CHECK_EQUAL(lexical_cast<std::string>(v), std::string());
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BOOST_CHECK_THROW(lexical_cast<unsigned short>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
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}
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namespace std {
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inline std::ostream & operator<<(std::ostream & out, const std::vector<long> & v)
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{
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std::ostream_iterator<long> it(out);
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std::copy(v.begin(), v.end(), it);
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assert(out);
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return out;
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}
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}
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void test_empty_vector()
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{
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std::vector<long> v;
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BOOST_CHECK_THROW(lexical_cast<int>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<float>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<double>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<long double>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<unsigned int>(v), bad_lexical_cast);
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BOOST_CHECK_EQUAL(lexical_cast<std::string>(v), std::string());
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BOOST_CHECK_THROW(lexical_cast<unsigned short>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
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BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
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}
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unit_test::test_suite *init_unit_test_suite(int, char *[])
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{
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unit_test::test_suite *suite =
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BOOST_TEST_SUITE("lexical_cast. Empty input unit test");
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suite->add(BOOST_TEST_CASE(&test_empty_iterator_range));
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suite->add(BOOST_TEST_CASE(&test_empty_string));
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suite->add(BOOST_TEST_CASE(&test_empty_user_class));
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suite->add(BOOST_TEST_CASE(&test_empty_vector));
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return suite;
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}
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