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libcxx/test/std/utilities/charconv/charconv.to.chars/integral.pass.cpp

90 lines
2.3 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11
// XFAIL: with_system_cxx_lib=macosx10.14
// XFAIL: with_system_cxx_lib=macosx10.13
// XFAIL: with_system_cxx_lib=macosx10.12
// XFAIL: with_system_cxx_lib=macosx10.11
// XFAIL: with_system_cxx_lib=macosx10.10
// XFAIL: with_system_cxx_lib=macosx10.9
// XFAIL: with_system_cxx_lib=macosx10.8
// XFAIL: with_system_cxx_lib=macosx10.7
// <charconv>
// to_chars_result to_chars(char* first, char* last, Integral value,
// int base = 10)
#include "charconv_test_helpers.h"
template <typename T>
struct test_basics : to_chars_test_base<T>
{
using to_chars_test_base<T>::test;
using to_chars_test_base<T>::test_value;
void operator()()
{
test(0, "0");
test(42, "42");
test(32768, "32768");
test(0, "0", 10);
test(42, "42", 10);
test(32768, "32768", 10);
test(0xf, "f", 16);
test(0xdeadbeaf, "deadbeaf", 16);
test(0755, "755", 8);
for (int b = 2; b < 37; ++b)
{
using xl = std::numeric_limits<T>;
test_value(1, b);
test_value(xl::lowest(), b);
test_value((xl::max)(), b);
test_value((xl::max)() / 2, b);
}
}
};
template <typename T>
struct test_signed : to_chars_test_base<T>
{
using to_chars_test_base<T>::test;
using to_chars_test_base<T>::test_value;
void operator()()
{
test(-1, "-1");
test(-12, "-12");
test(-1, "-1", 10);
test(-12, "-12", 10);
test(-21734634, "-21734634", 10);
test(-2647, "-101001010111", 2);
test(-0xcc1, "-cc1", 16);
for (int b = 2; b < 37; ++b)
{
using xl = std::numeric_limits<T>;
test_value(0, b);
test_value(xl::lowest(), b);
test_value((xl::max)(), b);
}
}
};
int main()
{
run<test_basics>(integrals);
run<test_signed>(all_signed);
}