cxx/test/strings/string.conversions/stoi.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

109 lines
2.3 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// int stoi(const string& str, size_t *idx = 0, int base = 10);
// int stoi(const wstring& str, size_t *idx = 0, int base = 10);
#include <string>
#include <cassert>
int main()
{
assert(std::stoi("0") == 0);
assert(std::stoi(L"0") == 0);
assert(std::stoi("-0") == 0);
assert(std::stoi(L"-0") == 0);
assert(std::stoi("-10") == -10);
assert(std::stoi(L"-10") == -10);
assert(std::stoi(" 10") == 10);
assert(std::stoi(L" 10") == 10);
size_t idx = 0;
assert(std::stoi("10g", &idx, 16) == 16);
assert(idx == 2);
idx = 0;
assert(std::stoi(L"10g", &idx, 16) == 16);
assert(idx == 2);
if (std::numeric_limits<long>::max() > std::numeric_limits<int>::max())
{
try
{
std::stoi("0x100000000", &idx, 16);
assert(false);
}
catch (const std::out_of_range&)
{
}
try
{
std::stoi(L"0x100000000", &idx, 16);
assert(false);
}
catch (const std::out_of_range&)
{
}
}
idx = 0;
try
{
std::stoi("", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoi(L"", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoi(" - 8", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoi(L" - 8", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoi("a1", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoi(L"a1", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
}