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Fixed so it doesn't trim any whitespace when converting, fixed reversed bad_lexical_cast constructor parameters, changed to pass-by-const reference

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[SVN r29627]
This commit is contained in:
Terje Slettebø
2005-06-16 18:16:58 +00:00
parent caa875505e
commit cfe358b570
1 changed files with 88 additions and 64 deletions
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152
lexical_cast_test.cpp
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@@ -2,11 +2,13 @@
//
// See http://www.boost.org for most recent version, including documentation.
//
// Copyright Terje Sletteb<65> and Kevlin Henney, 2003.
// Copyright Terje Sletteb<65> and Kevlin Henney, 2005.
//
// Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt).
//
// Note: The unit test no longer compile on MSVC 6, but lexical_cast itself works for it.
#include <boost/config.hpp>
@@ -40,6 +42,8 @@ void test_conversion_from_wchar_t();
void test_conversion_to_wchar_t();
void test_conversion_from_wstring();
void test_conversion_to_wstring();
void test_bad_lexical_cast();
void test_no_whitespace_stripping();
unit_test_framework::test_suite *init_unit_test_suite(int, char **)
{
@@ -58,6 +62,8 @@ unit_test_framework::test_suite *init_unit_test_suite(int, char **)
suite->add(BOOST_TEST_CASE(test_conversion_from_wstring));
suite->add(BOOST_TEST_CASE(test_conversion_to_wstring));
#endif
suite->add(BOOST_TEST_CASE(test_bad_lexical_cast));
suite->add(BOOST_TEST_CASE(test_no_whitespace_stripping));
return suite;
}
@@ -67,99 +73,96 @@ void test_conversion_to_char()
BOOST_CHECK_EQUAL(' ', lexical_cast<char>(' '));
BOOST_CHECK_EQUAL('1', lexical_cast<char>(1));
BOOST_CHECK_EQUAL('0', lexical_cast<char>(0));
BOOST_CHECK_THROW(lexical_cast<char>(123), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<char>(123), bad_lexical_cast);
BOOST_CHECK_EQUAL('1', lexical_cast<char>(1.0));
BOOST_CHECK_EQUAL('1', lexical_cast<char>(true));
BOOST_CHECK_EQUAL('0', lexical_cast<char>(false));
BOOST_CHECK_EQUAL('A', lexical_cast<char>("A"));
BOOST_CHECK_EQUAL(' ', lexical_cast<char>(" "));
BOOST_CHECK_THROW(lexical_cast<char>(""), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<char>("Test"), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<char>(""), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<char>("Test"), bad_lexical_cast);
BOOST_CHECK_EQUAL('A', lexical_cast<char>(std::string("A")));
BOOST_CHECK_EQUAL(' ', lexical_cast<char>(std::string(" ")));
BOOST_CHECK_THROW(
lexical_cast<char>(std::string("")), boost::bad_lexical_cast);
lexical_cast<char>(std::string("")), bad_lexical_cast);
BOOST_CHECK_THROW(
lexical_cast<char>(std::string("Test")), boost::bad_lexical_cast);
lexical_cast<char>(std::string("Test")), bad_lexical_cast);
}
void test_conversion_to_int()
{
BOOST_CHECK_EQUAL(1,lexical_cast<int>('1'));
BOOST_CHECK_EQUAL(0,lexical_cast<int>('0'));
BOOST_CHECK_THROW(lexical_cast<int>('A'),boost::bad_lexical_cast);
BOOST_CHECK_EQUAL(1,lexical_cast<int>(1));
BOOST_CHECK_EQUAL(1, lexical_cast<int>('1'));
BOOST_CHECK_EQUAL(0, lexical_cast<int>('0'));
BOOST_CHECK_THROW(lexical_cast<int>('A'), bad_lexical_cast);
BOOST_CHECK_EQUAL(1, lexical_cast<int>(1));
BOOST_CHECK_EQUAL(
(std::numeric_limits<int>::max)(),
lexical_cast<int>((std::numeric_limits<int>::max)()));
BOOST_CHECK_EQUAL(1,lexical_cast<int>(1.0));
BOOST_CHECK_EQUAL(1, lexical_cast<int>(1.0));
BOOST_CHECK_THROW(lexical_cast<int>(1.23), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<int>(1.23), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<int>(1e20), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<int>(1e20), bad_lexical_cast);
BOOST_CHECK_EQUAL(1, lexical_cast<int>(true));
BOOST_CHECK_EQUAL(0, lexical_cast<int>(false));
BOOST_CHECK_EQUAL(123, lexical_cast<int>("123"));
BOOST_CHECK_THROW(
lexical_cast<int>(" 123"), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<int>(""), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<int>("Test"), boost::bad_lexical_cast);
lexical_cast<int>(" 123"), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<int>(""), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<int>("Test"), bad_lexical_cast);
BOOST_CHECK_EQUAL(123, lexical_cast<int>("123"));
BOOST_CHECK_EQUAL(123,lexical_cast<int>(std::string("123")));
BOOST_CHECK_EQUAL(123, lexical_cast<int>(std::string("123")));
BOOST_CHECK_THROW(
lexical_cast<int>(std::string(" 123")), boost::bad_lexical_cast);
lexical_cast<int>(std::string(" 123")), bad_lexical_cast);
BOOST_CHECK_THROW(
lexical_cast<int>(std::string("")), boost::bad_lexical_cast);
lexical_cast<int>(std::string("")), bad_lexical_cast);
BOOST_CHECK_THROW(
lexical_cast<int>(std::string("Test")), boost::bad_lexical_cast);
lexical_cast<int>(std::string("Test")), bad_lexical_cast);
}
void test_conversion_to_double()
{
BOOST_CHECK_EQUAL(1.0, lexical_cast<double>('1'));
BOOST_CHECK_THROW(lexical_cast<double>('A'), boost::bad_lexical_cast);
BOOST_CHECK_EQUAL(1.0, lexical_cast<double>(1));
BOOST_CHECK_EQUAL(1.23, lexical_cast<double>(1.23));
BOOST_CHECK_CLOSE(
(std::numeric_limits<double>::max)() / 2,
lexical_cast<double>((std::numeric_limits<double>::max)() / 2),
std::numeric_limits<double>::epsilon());
BOOST_CHECK_EQUAL(1.0, lexical_cast<double>(true));
BOOST_CHECK_EQUAL(0.0, lexical_cast<double>(false));
BOOST_CHECK_EQUAL(1.23, lexical_cast<double>("1.23"));
BOOST_CHECK_THROW(lexical_cast<double>(""), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<double>("Test"), boost::bad_lexical_cast);
BOOST_CHECK_EQUAL(1.23, lexical_cast<double>(std::string("1.23")));
BOOST_CHECK_CLOSE(1.0, lexical_cast<double>('1'), (std::numeric_limits<double>::epsilon()));
BOOST_CHECK_THROW(lexical_cast<double>('A'), bad_lexical_cast);
BOOST_CHECK_CLOSE(1.0, lexical_cast<double>(1), (std::numeric_limits<double>::epsilon()));
BOOST_CHECK_CLOSE(1.23, lexical_cast<double>(1.23), (std::numeric_limits<double>::epsilon()));
BOOST_CHECK_CLOSE(1.234567890, 1.234567890, std::numeric_limits<double>::epsilon());
BOOST_CHECK_CLOSE(1.0, lexical_cast<double>(true), (std::numeric_limits<double>::epsilon()));
BOOST_CHECK_CLOSE(0.0, lexical_cast<double>(false), (std::numeric_limits<double>::epsilon()));
BOOST_CHECK_CLOSE(1.23, lexical_cast<double>("1.23"), (std::numeric_limits<double>::epsilon()));
BOOST_CHECK_THROW(lexical_cast<double>(""), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<double>("Test"), bad_lexical_cast);
BOOST_CHECK_CLOSE(1.23, lexical_cast<double>(std::string("1.23")), (std::numeric_limits<double>::epsilon()));
BOOST_CHECK_THROW(
lexical_cast<double>(std::string("")), boost::bad_lexical_cast);
lexical_cast<double>(std::string("")), bad_lexical_cast);
BOOST_CHECK_THROW(
lexical_cast<double>(std::string("Test")), boost::bad_lexical_cast);
lexical_cast<double>(std::string("Test")), bad_lexical_cast);
}
void test_conversion_to_bool()
{
BOOST_CHECK_EQUAL(true, lexical_cast<bool>('1'));
BOOST_CHECK_EQUAL(false, lexical_cast<bool>('0'));
BOOST_CHECK_THROW(lexical_cast<bool>('A'), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<bool>('A'), bad_lexical_cast);
BOOST_CHECK_EQUAL(true, lexical_cast<bool>(1));
BOOST_CHECK_EQUAL(false, lexical_cast<bool>(0));
BOOST_CHECK_THROW(lexical_cast<bool>(123), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<bool>(123), bad_lexical_cast);
BOOST_CHECK_EQUAL(true, lexical_cast<bool>(1.0));
BOOST_CHECK_EQUAL(false, lexical_cast<bool>(0.0));
BOOST_CHECK_EQUAL(true, lexical_cast<bool>(true));
BOOST_CHECK_EQUAL(false, lexical_cast<bool>(false));
BOOST_CHECK_EQUAL(true, lexical_cast<bool>("1"));
BOOST_CHECK_EQUAL(false, lexical_cast<bool>("0"));
BOOST_CHECK_THROW(lexical_cast<bool>(""), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<bool>("Test"), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<bool>(""), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<bool>("Test"), bad_lexical_cast);
BOOST_CHECK_EQUAL(true, lexical_cast<bool>("1"));
BOOST_CHECK_EQUAL(false, lexical_cast<bool>("0"));
BOOST_CHECK_EQUAL(true, lexical_cast<bool>(std::string("1")));
BOOST_CHECK_EQUAL(false, lexical_cast<bool>(std::string("0")));
BOOST_CHECK_THROW(
lexical_cast<bool>(std::string("")), boost::bad_lexical_cast);
lexical_cast<bool>(std::string("")), bad_lexical_cast);
BOOST_CHECK_THROW(
lexical_cast<bool>(std::string("Test")), boost::bad_lexical_cast);
lexical_cast<bool>(std::string("Test")), bad_lexical_cast);
}
void test_conversion_to_string()
@@ -169,8 +172,8 @@ void test_conversion_to_string()
BOOST_CHECK_EQUAL("123", lexical_cast<std::string>(123));
BOOST_CHECK_EQUAL("1.23", lexical_cast<std::string>(1.23));
BOOST_CHECK_EQUAL("1.111111111", lexical_cast<std::string>(1.111111111));
BOOST_CHECK_EQUAL("1",lexical_cast<std::string>(true));
BOOST_CHECK_EQUAL("0",lexical_cast<std::string>(false));
BOOST_CHECK_EQUAL("1", lexical_cast<std::string>(true));
BOOST_CHECK_EQUAL("0", lexical_cast<std::string>(false));
BOOST_CHECK_EQUAL("Test", lexical_cast<std::string>("Test"));
BOOST_CHECK_EQUAL(" ", lexical_cast<std::string>(" "));
BOOST_CHECK_EQUAL("", lexical_cast<std::string>(""));
@@ -192,9 +195,9 @@ void test_conversion_from_to_wchar_t_alias()
void test_conversion_to_pointer()
{
BOOST_CHECK_THROW(lexical_cast<char *>("Test"), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<char *>("Test"), bad_lexical_cast);
#ifndef DISABLE_WIDE_CHAR_SUPPORT
BOOST_CHECK_THROW(lexical_cast<wchar_t *>("Test"), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<wchar_t *>("Test"), bad_lexical_cast);
#endif
}
@@ -202,26 +205,26 @@ void test_conversion_from_wchar_t()
{
#ifndef DISABLE_WIDE_CHAR_SUPPORT
BOOST_CHECK_EQUAL(1, lexical_cast<int>(L'1'));
BOOST_CHECK_THROW(lexical_cast<int>(L'A'), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<int>(L'A'), bad_lexical_cast);
BOOST_CHECK_EQUAL(123, lexical_cast<int>(L"123"));
BOOST_CHECK_THROW(lexical_cast<int>(L""), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<int>(L"Test"), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<int>(L""), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<int>(L"Test"), bad_lexical_cast);
BOOST_CHECK_EQUAL(1.0, lexical_cast<double>(L'1'));
BOOST_CHECK_THROW(lexical_cast<double>(L'A'), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<double>(L'A'), bad_lexical_cast);
BOOST_CHECK_EQUAL(1.23, lexical_cast<double>(L"1.23"));
BOOST_CHECK_THROW(lexical_cast<double>(L""), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<double>(L"Test"), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<double>(L""), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<double>(L"Test"), bad_lexical_cast);
BOOST_CHECK_EQUAL(true, lexical_cast<bool>(L'1'));
BOOST_CHECK_EQUAL(false, lexical_cast<bool>(L'0'));
BOOST_CHECK_THROW(lexical_cast<bool>(L'A'), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<bool>(L'A'), bad_lexical_cast);
BOOST_CHECK_EQUAL(true, lexical_cast<bool>(L"1"));
BOOST_CHECK_EQUAL(false, lexical_cast<bool>(L"0"));
BOOST_CHECK_THROW(lexical_cast<bool>(L""), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<bool>(L"Test"), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<bool>(L""), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<bool>(L"Test"), bad_lexical_cast);
#endif
}
@@ -230,7 +233,7 @@ void test_conversion_to_wchar_t()
#ifndef DISABLE_WIDE_CHAR_SUPPORT
BOOST_CHECK_EQUAL(L'1', lexical_cast<wchar_t>(1));
BOOST_CHECK_EQUAL(L'0', lexical_cast<wchar_t>(0));
BOOST_CHECK_THROW(lexical_cast<wchar_t>(123), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<wchar_t>(123), bad_lexical_cast);
BOOST_CHECK_EQUAL(L'1', lexical_cast<wchar_t>(1.0));
BOOST_CHECK_EQUAL(L'0', lexical_cast<wchar_t>(0.0));
BOOST_CHECK_EQUAL(L'1', lexical_cast<wchar_t>(true));
@@ -239,14 +242,14 @@ void test_conversion_to_wchar_t()
BOOST_CHECK_EQUAL(L' ', lexical_cast<wchar_t>(L' '));
BOOST_CHECK_EQUAL(L'A', lexical_cast<wchar_t>(L"A"));
BOOST_CHECK_EQUAL(L' ', lexical_cast<wchar_t>(L" "));
BOOST_CHECK_THROW(lexical_cast<wchar_t>(L""), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<wchar_t>(L"Test"), boost::bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<wchar_t>(L""), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<wchar_t>(L"Test"), bad_lexical_cast);
BOOST_CHECK_EQUAL(L'A', lexical_cast<wchar_t>(std::wstring(L"A")));
BOOST_CHECK_EQUAL(L' ', lexical_cast<wchar_t>(std::wstring(L" ")));
BOOST_CHECK_THROW(
lexical_cast<wchar_t>(std::wstring(L"")), boost::bad_lexical_cast);
lexical_cast<wchar_t>(std::wstring(L"")), bad_lexical_cast);
BOOST_CHECK_THROW(
lexical_cast<wchar_t>(std::wstring(L"Test")), boost::bad_lexical_cast);
lexical_cast<wchar_t>(std::wstring(L"Test")), bad_lexical_cast);
#endif
}
@@ -255,16 +258,16 @@ void test_conversion_from_wstring()
#ifndef DISABLE_WIDE_CHAR_SUPPORT
BOOST_CHECK_EQUAL(123, lexical_cast<int>(std::wstring(L"123")));
BOOST_CHECK_THROW(
lexical_cast<int>(std::wstring(L"")), boost::bad_lexical_cast);
lexical_cast<int>(std::wstring(L"")), bad_lexical_cast);
BOOST_CHECK_THROW(
lexical_cast<int>(std::wstring(L"Test")), boost::bad_lexical_cast);
lexical_cast<int>(std::wstring(L"Test")), bad_lexical_cast);
BOOST_CHECK_EQUAL(true, lexical_cast<bool>(std::wstring(L"1")));
BOOST_CHECK_EQUAL(false, lexical_cast<bool>(std::wstring(L"0")));
BOOST_CHECK_THROW(
lexical_cast<bool>(std::wstring(L"")), boost::bad_lexical_cast);
lexical_cast<bool>(std::wstring(L"")), bad_lexical_cast);
BOOST_CHECK_THROW(
lexical_cast<bool>(std::wstring(L"Test")), boost::bad_lexical_cast);
lexical_cast<bool>(std::wstring(L"Test")), bad_lexical_cast);
#endif
}
@@ -286,3 +289,24 @@ void test_conversion_to_wstring()
BOOST_CHECK(L"" == lexical_cast<std::wstring>(std::wstring(L"")));
#endif
}
void test_bad_lexical_cast()
{
try
{
lexical_cast<int>(std::string("Test"));
BOOST_CHECK(false); // Exception expected
}
catch(const bad_lexical_cast &e)
{
BOOST_CHECK(e.source_type() == typeid(std::string));
BOOST_CHECK(e.target_type() == typeid(int));
}
}
void test_no_whitespace_stripping()
{
BOOST_CHECK_THROW(lexical_cast<int>(" 123"), bad_lexical_cast);
BOOST_CHECK_THROW(lexical_cast<int>("123 "), bad_lexical_cast);
}