combine.pass.cpp
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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
//
//===----------------------------------------------------------------------===//
// <locale>
// template <class Facet> locale combine(const locale& other) const;
#include <locale>
#include <stdexcept>
#include <cassert>
#include "count_new.h"
#include "test_macros.h"
void check(const std::locale& loc)
{
assert(std::has_facet<std::collate<char> >(loc));
assert(std::has_facet<std::collate<wchar_t> >(loc));
assert(std::has_facet<std::ctype<char> >(loc));
assert(std::has_facet<std::ctype<wchar_t> >(loc));
assert((std::has_facet<std::codecvt<char, char, std::mbstate_t> >(loc)));
assert((std::has_facet<std::codecvt<char16_t, char, std::mbstate_t> >(loc)));
assert((std::has_facet<std::codecvt<char32_t, char, std::mbstate_t> >(loc)));
assert((std::has_facet<std::codecvt<wchar_t, char, std::mbstate_t> >(loc)));
assert((std::has_facet<std::moneypunct<char> >(loc)));
assert((std::has_facet<std::moneypunct<wchar_t> >(loc)));
assert((std::has_facet<std::money_get<char> >(loc)));
assert((std::has_facet<std::money_get<wchar_t> >(loc)));
assert((std::has_facet<std::money_put<char> >(loc)));
assert((std::has_facet<std::money_put<wchar_t> >(loc)));
assert((std::has_facet<std::numpunct<char> >(loc)));
assert((std::has_facet<std::numpunct<wchar_t> >(loc)));
assert((std::has_facet<std::num_get<char> >(loc)));
assert((std::has_facet<std::num_get<wchar_t> >(loc)));
assert((std::has_facet<std::num_put<char> >(loc)));
assert((std::has_facet<std::num_put<wchar_t> >(loc)));
assert((std::has_facet<std::time_get<char> >(loc)));
assert((std::has_facet<std::time_get<wchar_t> >(loc)));
assert((std::has_facet<std::time_put<char> >(loc)));
assert((std::has_facet<std::time_put<wchar_t> >(loc)));
assert((std::has_facet<std::messages<char> >(loc)));
assert((std::has_facet<std::messages<wchar_t> >(loc)));
}
struct my_facet
: public std::locale::facet
{
int test() const {return 5;}
static std::locale::id id;
};
std::locale::id my_facet::id;
int main(int, char**)
{
{
{
std::locale loc;
std::locale loc2(loc, new my_facet);
std::locale loc3 = loc.combine<my_facet>(loc2);
check(loc3);
assert(loc3.name() == "*");
assert((std::has_facet<my_facet>(loc3)));
const my_facet& f = std::use_facet<my_facet>(loc3);
assert(f.test() == 5);
}
assert(globalMemCounter.checkOutstandingNewEq(0));
}
#ifndef TEST_HAS_NO_EXCEPTIONS
{
{
std::locale loc;
std::locale loc2;
try
{
std::locale loc3 = loc.combine<my_facet>(loc2);
assert(false);
}
catch (std::runtime_error&)
{
}
}
assert(globalMemCounter.checkOutstandingNewEq(0));
}
#endif
return 0;
}