//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <locale>

// locale() throw();

#include <locale>
#include <new>
#include <cassert>

int new_called = 0;

void* operator new(std::size_t s) throw(std::bad_alloc)
{
    ++new_called;
    return std::malloc(s);
}

void  operator delete(void* p) throw()
{
    --new_called;
    std::free(p);
}

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)));
}

int main()
{
    int ok;
    {
        std::locale loc;
        assert(new_called == 0);
        assert(loc.name() == "C");
        assert(new_called == 0);
        check(loc);
        assert(new_called == 0);
        assert(std::locale::global(std::locale("en_US")) == loc);
        ok = new_called;
        std::locale loc2;
        assert(new_called == ok);
        check(loc2);
        assert(new_called == ok);
        assert(loc2 == std::locale("en_US"));
        assert(new_called == ok);
    }
    assert(new_called == ok);
}