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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// UNSUPPORTED: !libc++ && c++11
// UNSUPPORTED: !libc++ && c++14
// to_chars requires functions in the dylib that were introduced in Mac OS 10.15.
//
// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14}}
// <charconv>
// to_chars_result to_chars(char* first, char* last, Integral value,
// int base = 10)
#include <charconv>
#include "test_macros.h"
#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);
// Test each len till len of UINT64_MAX = 20 because to_chars algorithm
// makes branches based on decimal digits count in the value string
// representation.
// Test driver automatically skips values not fitting into source type.
test(1UL, "1");
test(12UL, "12");
test(123UL, "123");
test(1234UL, "1234");
test(12345UL, "12345");
test(123456UL, "123456");
test(1234567UL, "1234567");
test(12345678UL, "12345678");
test(123456789UL, "123456789");
test(1234567890UL, "1234567890");
test(12345678901UL, "12345678901");
test(123456789012UL, "123456789012");
test(1234567890123UL, "1234567890123");
test(12345678901234UL, "12345678901234");
test(123456789012345UL, "123456789012345");
test(1234567890123456UL, "1234567890123456");
test(12345678901234567UL, "12345678901234567");
test(123456789012345678UL, "123456789012345678");
test(1234567890123456789UL, "1234567890123456789");
test(12345678901234567890UL, "12345678901234567890");
// Test special cases with zeros inside a value string representation,
// to_chars algorithm processes them in a special way and should not
// skip trailing zeros
// Test driver automatically skips values not fitting into source type.
test(0UL, "0");
test(10UL, "10");
test(100UL, "100");
test(1000UL, "1000");
test(10000UL, "10000");
test(100000UL, "100000");
test(1000000UL, "1000000");
test(10000000UL, "10000000");
test(100000000UL, "100000000");
test(1000000000UL, "1000000000");
test(10000000000UL, "10000000000");
test(100000000000UL, "100000000000");
test(1000000000000UL, "1000000000000");
test(10000000000000UL, "10000000000000");
test(100000000000000UL, "100000000000000");
test(1000000000000000UL, "1000000000000000");
test(10000000000000000UL, "10000000000000000");
test(100000000000000000UL, "100000000000000000");
test(1000000000000000000UL, "1000000000000000000");
test(10000000000000000000UL, "10000000000000000000");
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);
// Test each len till len of INT64_MAX = 19 because to_chars algorithm
// makes branches based on decimal digits count in the value string
// representation.
// Test driver automatically skips values not fitting into source type.
test(-1L, "-1");
test(-12L, "-12");
test(-123L, "-123");
test(-1234L, "-1234");
test(-12345L, "-12345");
test(-123456L, "-123456");
test(-1234567L, "-1234567");
test(-12345678L, "-12345678");
test(-123456789L, "-123456789");
test(-1234567890L, "-1234567890");
test(-12345678901L, "-12345678901");
test(-123456789012L, "-123456789012");
test(-1234567890123L, "-1234567890123");
test(-12345678901234L, "-12345678901234");
test(-123456789012345L, "-123456789012345");
test(-1234567890123456L, "-1234567890123456");
test(-12345678901234567L, "-12345678901234567");
test(-123456789012345678L, "-123456789012345678");
test(-1234567890123456789L, "-1234567890123456789");
// Test special cases with zeros inside a value string representation,
// to_chars algorithm processes them in a special way and should not
// skip trailing zeros
// Test driver automatically skips values not fitting into source type.
test(-10L, "-10");
test(-100L, "-100");
test(-1000L, "-1000");
test(-10000L, "-10000");
test(-100000L, "-100000");
test(-1000000L, "-1000000");
test(-10000000L, "-10000000");
test(-100000000L, "-100000000");
test(-1000000000L, "-1000000000");
test(-10000000000L, "-10000000000");
test(-100000000000L, "-100000000000");
test(-1000000000000L, "-1000000000000");
test(-10000000000000L, "-10000000000000");
test(-100000000000000L, "-100000000000000");
test(-1000000000000000L, "-1000000000000000");
test(-10000000000000000L, "-10000000000000000");
test(-100000000000000000L, "-100000000000000000");
test(-1000000000000000000L, "-1000000000000000000");
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(int, char**)
{
run<test_basics>(integrals);
run<test_signed>(all_signed);
return 0;
}
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