blob: 8773a61840ede70dcc8061e0dbf7a5294b18ac31 [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <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()
{
assert(std::stod("0") == 0);
assert(std::stod(L"0") == 0);
assert(std::stod("-0") == 0);
assert(std::stod(L"-0") == 0);
assert(std::stod("-10") == -10);
assert(std::stod(L"-10.5") == -10.5);
assert(std::stod(" 10") == 10);
assert(std::stod(L" 10") == 10);
size_t idx = 0;
assert(std::stod("10g", &idx) == 10);
assert(idx == 2);
idx = 0;
assert(std::stod(L"10g", &idx) == 10);
assert(idx == 2);
#ifndef TEST_HAS_NO_EXCEPTIONS
try
#endif
{
assert(std::stod("1.e60", &idx) == 1.e60);
assert(idx == 5);
}
#ifndef TEST_HAS_NO_EXCEPTIONS
catch (const std::out_of_range&)
{
assert(false);
}
try
#endif
{
assert(std::stod(L"1.e60", &idx) == 1.e60);
assert(idx == 5);
}
#ifndef TEST_HAS_NO_EXCEPTIONS
catch (const std::out_of_range&)
{
assert(false);
}
idx = 0;
try
{
assert(std::stod("1.e360", &idx) == INFINITY);
assert(false);
}
catch (const std::out_of_range&)
{
assert(idx == 0);
}
try
{
assert(std::stod(L"1.e360", &idx) == INFINITY);
assert(false);
}
catch (const std::out_of_range&)
{
assert(idx == 0);
}
try
#endif
{
assert(std::stod("INF", &idx) == INFINITY);
assert(idx == 3);
}
#ifndef TEST_HAS_NO_EXCEPTIONS
catch (const std::out_of_range&)
{
assert(false);
}
#endif
idx = 0;
#ifndef TEST_HAS_NO_EXCEPTIONS
try
#endif
{
assert(std::stod(L"INF", &idx) == INFINITY);
assert(idx == 3);
}
#ifndef TEST_HAS_NO_EXCEPTIONS
catch (const std::out_of_range&)
{
assert(false);
}
#endif
idx = 0;
#ifndef TEST_HAS_NO_EXCEPTIONS
try
#endif
{
assert(std::isnan(std::stod("NAN", &idx)));
assert(idx == 3);
}
#ifndef TEST_HAS_NO_EXCEPTIONS
catch (const std::out_of_range&)
{
assert(false);
}
#endif
idx = 0;
#ifndef TEST_HAS_NO_EXCEPTIONS
try
#endif
{
assert(std::isnan(std::stod(L"NAN", &idx)));
assert(idx == 3);
}
#ifndef TEST_HAS_NO_EXCEPTIONS
catch (const std::out_of_range&)
{
assert(false);
}
idx = 0;
try
{
std::stod("", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stod(L"", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stod(" - 8", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stod(L" - 8", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stod("a1", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stod(L"a1", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
#endif
}