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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
//
//===----------------------------------------------------------------------===//
// <cctype>
#include <cctype>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#ifdef isalnum
# error isalnum defined
#endif
#ifdef isalpha
# error isalpha defined
#endif
#ifdef isblank
# error isblank defined
#endif
#ifdef iscntrl
# error iscntrl defined
#endif
#ifdef isdigit
# error isdigit defined
#endif
#ifdef isgraph
# error isgraph defined
#endif
#ifdef islower
# error islower defined
#endif
#ifdef isprint
# error isprint defined
#endif
#ifdef ispunct
# error ispunct defined
#endif
#ifdef isspace
# error isspace defined
#endif
#ifdef isupper
# error isupper defined
#endif
#ifdef isxdigit
# error isxdigit defined
#endif
#ifdef tolower
# error tolower defined
#endif
#ifdef toupper
# error toupper defined
#endif
int main(int, char**) {
ASSERT_SAME_TYPE(int, decltype(std::isalnum(0)));
ASSERT_SAME_TYPE(int, decltype(std::isalpha(0)));
ASSERT_SAME_TYPE(int, decltype(std::isblank(0)));
ASSERT_SAME_TYPE(int, decltype(std::iscntrl(0)));
ASSERT_SAME_TYPE(int, decltype(std::isdigit(0)));
ASSERT_SAME_TYPE(int, decltype(std::isgraph(0)));
ASSERT_SAME_TYPE(int, decltype(std::islower(0)));
ASSERT_SAME_TYPE(int, decltype(std::isprint(0)));
ASSERT_SAME_TYPE(int, decltype(std::ispunct(0)));
ASSERT_SAME_TYPE(int, decltype(std::isspace(0)));
ASSERT_SAME_TYPE(int, decltype(std::isupper(0)));
ASSERT_SAME_TYPE(int, decltype(std::isxdigit(0)));
ASSERT_SAME_TYPE(int, decltype(std::tolower(0)));
ASSERT_SAME_TYPE(int, decltype(std::toupper(0)));
assert(std::isalnum('a'));
assert(std::isalpha('a'));
assert(std::isblank(' '));
assert(!std::iscntrl(' '));
assert(!std::isdigit('a'));
assert(std::isgraph('a'));
assert(std::islower('a'));
assert(std::isprint('a'));
assert(!std::ispunct('a'));
assert(!std::isspace('a'));
assert(!std::isupper('a'));
assert(std::isxdigit('a'));
assert(std::tolower('A') == 'a');
assert(std::toupper('a') == 'A');
return 0;
}
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