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