35 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <locale>10 11// template <class charT> bool islower (charT c, const locale& loc);12 13#include <locale>14#include <cassert>15 16#include "test_macros.h"17 18int main(int, char**)19{20 std::locale l;21 assert(!std::islower(' ', l));22 assert(!std::islower('<', l));23 assert(!std::islower('\x8', l));24 assert(!std::islower('A', l));25 assert( std::islower('a', l));26 assert( std::islower('z', l));27 assert(!std::islower('3', l));28 assert(!std::islower('.', l));29 assert( std::islower('f', l));30 assert(!std::islower('9', l));31 assert(!std::islower('+', l));32 33 return 0;34}35