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Fixes #6298

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Fixes #6264

[SVN r76096]
This commit is contained in:
Antony Polukhin
2011-12-21 17:03:52 +00:00
parent 8627f8bb8a
commit 5d288580ee
2 changed files with 76 additions and 12 deletions
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test/lexical_cast_empty_input_test.cpp
+71 -10
View File
@@ -24,27 +24,86 @@ using namespace boost;
void test_empty_iterator_range()
{
boost::iterator_range<const char*> v;
boost::iterator_range<const char*> v;
BOOST_CHECK_THROW(lexical_cast<int>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<float>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<double>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<long double>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<unsigned int>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<std::string>(v), bad_lexical_cast);
BOOST_CHECK_EQUAL(lexical_cast<std::string>(v), std::string());
BOOST_CHECK_THROW(lexical_cast<unsigned short>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
}
void test_empty_string()
{
BOOST_CHECK_THROW(lexical_cast<int>(std::string()), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<float>(std::string()), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<double>(std::string()), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<long double>(std::string()), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<unsigned int>(std::string()), bad_lexical_cast);
BOOST_CHECK_EQUAL(lexical_cast<std::string>(std::string()), std::string());
BOOST_CHECK_THROW(lexical_cast<unsigned short>(std::string()), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<char>(std::string()), bad_lexical_cast);
std::string v;
BOOST_CHECK_THROW(lexical_cast<int>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<float>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<double>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<long double>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<unsigned int>(v), bad_lexical_cast);
BOOST_CHECK_EQUAL(lexical_cast<std::string>(v), std::string());
BOOST_CHECK_THROW(lexical_cast<unsigned short>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
}
struct Escape
{
Escape(const std::string& s)
: str_(s)
{}
std::string str_;
};
inline std::ostream& operator<< (std::ostream& o, const Escape& rhs)
{
return o << rhs.str_;
}
void test_empty_user_class()
{
Escape v("");
BOOST_CHECK_THROW(lexical_cast<int>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<float>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<double>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<long double>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<unsigned int>(v), bad_lexical_cast);
BOOST_CHECK_EQUAL(lexical_cast<std::string>(v), std::string());
BOOST_CHECK_THROW(lexical_cast<unsigned short>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
}
namespace std {
inline std::ostream & operator<<(std::ostream & out, const std::vector<long> & v)
{
std::ostream_iterator<long> it(out);
std::copy(v.begin(), v.end(), it);
assert(out);
return out;
}
}
void test_empty_vector()
{
std::vector<long> v;
BOOST_CHECK_THROW(lexical_cast<int>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<float>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<double>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<long double>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<unsigned int>(v), bad_lexical_cast);
BOOST_CHECK_EQUAL(lexical_cast<std::string>(v), std::string());
BOOST_CHECK_THROW(lexical_cast<unsigned short>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<char>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<unsigned char>(v), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<signed char>(v), bad_lexical_cast);
}
unit_test::test_suite *init_unit_test_suite(int, char *[])
@@ -53,6 +112,8 @@ unit_test::test_suite *init_unit_test_suite(int, char *[])
BOOST_TEST_SUITE("lexical_cast. Empty input unit test");
suite->add(BOOST_TEST_CASE(&test_empty_iterator_range));
suite->add(BOOST_TEST_CASE(&test_empty_string));
suite->add(BOOST_TEST_CASE(&test_empty_user_class));
suite->add(BOOST_TEST_CASE(&test_empty_vector));
return suite;
}