122 lines
3.0 KiB
C++
122 lines
3.0 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <string>
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// unsigned long stoul(const string& str, size_t *idx = 0, int base = 10);
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// unsigned long stoul(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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#include <stdexcept>
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#include "test_macros.h"
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int main(int, char**)
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{
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assert(std::stoul("0") == 0);
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assert(std::stoul("-0") == 0);
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assert(std::stoul(" 10") == 10);
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{
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size_t idx = 0;
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assert(std::stoul("10g", &idx, 16) == 16);
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assert(idx == 2);
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}
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#ifndef TEST_HAS_NO_EXCEPTIONS
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{
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size_t idx = 0;
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try {
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std::stoul("", &idx);
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assert(false);
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} catch (const std::invalid_argument&) {
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assert(idx == 0);
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}
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}
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{
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size_t idx = 0;
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try {
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std::stoul(" - 8", &idx);
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assert(false);
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} catch (const std::invalid_argument&) {
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assert(idx == 0);
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}
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}
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{
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size_t idx = 0;
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try {
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std::stoul("a1", &idx);
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assert(false);
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} catch (const std::invalid_argument&) {
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assert(idx == 0);
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}
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}
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{
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size_t idx = 0;
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try {
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// LWG#2009 and PR14919
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std::stoul("9999999999999999999999999999999999999999999999999", &idx);
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assert(false);
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} catch (const std::out_of_range&) {
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assert(idx == 0);
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}
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}
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#endif // TEST_HAS_NO_EXCEPTIONS
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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assert(std::stoul(L"0") == 0);
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assert(std::stoul(L"-0") == 0);
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assert(std::stoul(L" 10") == 10);
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{
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size_t idx = 0;
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assert(std::stoul(L"10g", &idx, 16) == 16);
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assert(idx == 2);
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}
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#ifndef TEST_HAS_NO_EXCEPTIONS
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{
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size_t idx = 0;
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try {
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std::stoul(L"", &idx);
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assert(false);
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} catch (const std::invalid_argument&) {
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assert(idx == 0);
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}
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}
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{
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size_t idx = 0;
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try {
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std::stoul(L" - 8", &idx);
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assert(false);
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} catch (const std::invalid_argument&) {
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assert(idx == 0);
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}
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}
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{
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size_t idx = 0;
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try {
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std::stoul(L"a1", &idx);
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assert(false);
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} catch (const std::invalid_argument&) {
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assert(idx == 0);
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}
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}
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{
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size_t idx = 0;
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try {
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// LWG#2009 and PR14919
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std::stoul(L"9999999999999999999999999999999999999999999999999", &idx);
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assert(false);
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} catch (const std::out_of_range&) {
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assert(idx == 0);
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}
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}
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#endif // TEST_HAS_NO_EXCEPTIONS
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#endif // TEST_HAS_NO_WIDE_CHARACTERS
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return 0;
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}
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