89 lines
1.9 KiB
C++
89 lines
1.9 KiB
C++
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <string>
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// unsigned long long stoull(const string& str, size_t *idx = 0, int base = 10);
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// unsigned long long stoull(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::stoull("0") == 0);
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assert(std::stoull(L"0") == 0);
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assert(std::stoull("-0") == 0);
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assert(std::stoull(L"-0") == 0);
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assert(std::stoull(" 10") == 10);
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assert(std::stoull(L" 10") == 10);
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size_t idx = 0;
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assert(std::stoull("10g", &idx, 16) == 16);
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assert(idx == 2);
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idx = 0;
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assert(std::stoull(L"10g", &idx, 16) == 16);
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assert(idx == 2);
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idx = 0;
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try
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{
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std::stoull("", &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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idx = 0;
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try
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{
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std::stoull(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::stoull(" - 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::stoull(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::stoull("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::stoull(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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