1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
#include <boost/config.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/cstdint.hpp>
#include <boost/test/unit_test.hpp>
#include <string>
using namespace boost;
// See also test_conversion_from_string_to_integral(CharT)
// in libs/conversion/lexical_cast_test.cpp
template<class T, class CharT>
void test_too_long_number(CharT zero)
{
typedef std::numeric_limits<T> limits;
std::basic_string<CharT> s;
std::basic_ostringstream<CharT> o;
o << (limits::max)() << zero;
s = o.str();
BOOST_CHECK_THROW(lexical_cast<T>(s), bad_lexical_cast);
s[s.size()-1] += 9; // '0' -> '9'
BOOST_CHECK_THROW(lexical_cast<T>(s), bad_lexical_cast);
if(limits::is_signed)
{
std::basic_ostringstream<CharT> o;
o << (limits::min)() << zero;
s = o.str();
BOOST_CHECK_THROW(lexical_cast<T>(s), bad_lexical_cast);
s[s.size()-1] += 9; // '0' -> '9'
BOOST_CHECK_THROW(lexical_cast<T>(s), bad_lexical_cast);
}
}
void test_vc8_bug()
{
test_too_long_number<boost::intmax_t>('0');
test_too_long_number<boost::uintmax_t>('0');
#if !defined(BOOST_LCAST_NO_WCHAR_T)
test_too_long_number<boost::intmax_t>(L'0');
test_too_long_number<boost::uintmax_t>(L'0');
#endif
}
unit_test::test_suite *init_unit_test_suite(int, char *[])
{
unit_test_framework::test_suite *suite =
BOOST_TEST_SUITE("lexical_cast vc8 bug unit test");
suite->add(BOOST_TEST_CASE(test_vc8_bug));
return suite;
}
|
