llvm-project/libcxx/test/std/strings/string.conversions/stoll.pass.cpp

116 lines
2.4 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <string>
// long long stoll(const string& str, size_t *idx = 0, int base = 10);
// long long stoll(const wstring& str, size_t *idx = 0, int base = 10);
#include <string>
#include <cassert>
#include <stdexcept>
#include "test_macros.h"
int main(int, char**)
{
assert(std::stoll("0") == 0);
assert(std::stoll(L"0") == 0);
assert(std::stoll("-0") == 0);
assert(std::stoll(L"-0") == 0);
assert(std::stoll("-10") == -10);
assert(std::stoll(L"-10") == -10);
assert(std::stoll(" 10") == 10);
assert(std::stoll(L" 10") == 10);
size_t idx = 0;
assert(std::stoll("10g", &idx, 16) == 16);
assert(idx == 2);
idx = 0;
assert(std::stoll(L"10g", &idx, 16) == 16);
assert(idx == 2);
#ifndef TEST_HAS_NO_EXCEPTIONS
idx = 0;
try
{
std::stoll("", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoll(L"", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoll(" - 8", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoll(L" - 8", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoll("a1", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoll(L"a1", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
// LWG#2009 and PR14919
std::stoll("99999999999999999999999999", &idx);
assert(false);
}
catch (const std::out_of_range&)
{
assert(idx == 0);
}
try
{
// LWG#2009 and PR14919
std::stoll(L"99999999999999999999999999", &idx);
assert(false);
}
catch (const std::out_of_range&)
{
assert(idx == 0);
}
#endif
return 0;
}