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

122 lines
3.0 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>
// unsigned long long stoull(const string& str, size_t *idx = 0, int base = 10);
// unsigned long long stoull(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::stoull("0") == 0);
assert(std::stoull("-0") == 0);
assert(std::stoull(" 10") == 10);
{
size_t idx = 0;
assert(std::stoull("10g", &idx, 16) == 16);
assert(idx == 2);
}
#ifndef TEST_HAS_NO_EXCEPTIONS
{
size_t idx = 0;
try {
std::stoull("", &idx);
assert(false);
} catch (const std::invalid_argument&) {
assert(idx == 0);
}
}
{
size_t idx = 0;
try {
std::stoull(" - 8", &idx);
assert(false);
} catch (const std::invalid_argument&) {
assert(idx == 0);
}
}
{
size_t idx = 0;
try {
std::stoull("a1", &idx);
assert(false);
} catch (const std::invalid_argument&) {
assert(idx == 0);
}
}
{
size_t idx = 0;
try {
// LWG#2009 and PR14919
std::stoull("9999999999999999999999999999999999999999999999999", &idx);
assert(false);
} catch (const std::out_of_range&) {
assert(idx == 0);
}
}
#endif // TEST_HAS_NO_EXCEPTIONS
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
assert(std::stoull(L"0") == 0);
assert(std::stoull(L"-0") == 0);
assert(std::stoull(L" 10") == 10);
{
size_t idx = 0;
assert(std::stoull(L"10g", &idx, 16) == 16);
assert(idx == 2);
}
#ifndef TEST_HAS_NO_EXCEPTIONS
{
size_t idx = 0;
try {
std::stoull(L"", &idx);
assert(false);
} catch (const std::invalid_argument&) {
assert(idx == 0);
}
}
{
size_t idx = 0;
try {
std::stoull(L" - 8", &idx);
assert(false);
} catch (const std::invalid_argument&) {
assert(idx == 0);
}
}
{
size_t idx = 0;
try {
std::stoull(L"a1", &idx);
assert(false);
} catch (const std::invalid_argument&) {
assert(idx == 0);
}
}
{
size_t idx = 0;
try {
// LWG#2009 and PR14919
std::stoull(L"9999999999999999999999999999999999999999999999999", &idx);
assert(false);
} catch (const std::out_of_range&) {
assert(idx == 0);
}
}
#endif // TEST_HAS_NO_EXCEPTIONS
#endif // TEST_HAS_NO_WIDE_CHARACTERS
return 0;
}