blob: 2bab34d3cb23b4390f7f69aa0bf95ae81d2e3ced [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// 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>
// double stod(const string& str, size_t *idx = 0);
// double stod(const wstring& str, size_t *idx = 0);
#include <string>
#include <cmath>
#include <cassert>
#include <stdexcept>
#include "test_macros.h"
int main(int, char**)
{
// char
{
assert(std::stod("0") == 0);
assert(std::stod("-0") == 0);
assert(std::stod("-10") == -10);
assert(std::stod(" 10") == 10);
{
size_t idx = 0;
assert(std::stod("10g", &idx) == 10);
assert(idx == 2);
}
{
size_t idx = 0;
assert(std::stod("1.e60", &idx) == 1.e60);
assert(idx == 5);
}
{
size_t idx = 0;
assert(std::stod("INF", &idx) == INFINITY);
assert(idx == 3);
}
{
size_t idx = 0;
assert(std::isnan(std::stod("NAN", &idx)));
assert(idx == 3);
}
#ifndef TEST_HAS_NO_EXCEPTIONS
{
size_t idx = 0;
try {
assert(std::stod("1.e360", &idx) == INFINITY);
assert(false);
} catch (const std::out_of_range&) {
assert(idx == 0);
}
}
{
size_t idx = 0;
try {
std::stod("", &idx);
assert(false);
} catch (const std::invalid_argument&) {
assert(idx == 0);
}
}
{
size_t idx = 0;
try {
std::stod(" - 8", &idx);
assert(false);
} catch (const std::invalid_argument&) {
assert(idx == 0);
}
}
{
size_t idx = 0;
try {
std::stod("a1", &idx);
assert(false);
} catch (const std::invalid_argument&) {
assert(idx == 0);
}
}
#endif // TEST_HAS_NO_EXCEPTIONS
}
// wchar_t
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
{
assert(std::stod(L"0") == 0);
assert(std::stod(L"-0") == 0);
assert(std::stod(L"-10.5") == -10.5);
assert(std::stod(L" 10") == 10);
{
size_t idx = 0;
assert(std::stod(L"10g", &idx) == 10);
assert(idx == 2);
}
{
size_t idx = 0;
assert(std::stod(L"1.e60", &idx) == 1.e60);
assert(idx == 5);
}
{
size_t idx = 0;
assert(std::stod(L"INF", &idx) == INFINITY);
assert(idx == 3);
}
{
size_t idx = 0;
assert(std::isnan(std::stod(L"NAN", &idx)));
assert(idx == 3);
}
#ifndef TEST_HAS_NO_EXCEPTIONS
{
size_t idx = 0;
try {
assert(std::stod(L"1.e360", &idx) == INFINITY);
assert(false);
} catch (const std::out_of_range&) {
assert(idx == 0);
}
}
{
size_t idx = 0;
try {
std::stod(L"", &idx);
assert(false);
} catch (const std::invalid_argument&) {
assert(idx == 0);
}
}
{
size_t idx = 0;
try {
std::stod(L" - 8", &idx);
assert(false);
} catch (const std::invalid_argument&) {
assert(idx == 0);
}
}
{
size_t idx = 0;
try {
std::stod(L"a1", &idx);
assert(false);
} catch (const std::invalid_argument&) {
assert(idx == 0);
}
}
#endif // TEST_HAS_NO_EXCEPTIONS
}
#endif // TEST_HAS_NO_WIDE_CHARACTERS
return 0;
}