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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, c++11, c++14
// UNSUPPORTED: availability-filesystem-missing
// These tests require locale for non-char paths
// UNSUPPORTED: no-localization
// <filesystem>
// class path
// template <class ECharT, class Traits = char_traits<ECharT>,
// class Allocator = allocator<ECharT>>
// basic_string<ECharT, Traits, Allocator>
// generic_string(const Allocator& a = Allocator()) const;
#include <filesystem>
#include <cassert>
#include <string>
#include <type_traits>
#include "count_new.h"
#include "make_string.h"
#include "min_allocator.h"
#include "test_iterators.h"
#include "test_macros.h"
namespace fs = std::filesystem;
MultiStringType longString = MKSTR("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/123456789/abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
// generic_string<C, T, A> forwards to string<C, T, A>. Tests for
// string<C, T, A>() are in "path.native.obs/string_alloc.pass.cpp".
// generic_string is minimally tested here.
template <class CharT>
void doAllocTest()
{
using namespace fs;
using Traits = std::char_traits<CharT>;
using Alloc = malloc_allocator<CharT>;
using Str = std::basic_string<CharT, Traits, Alloc>;
const CharT* expect = longString;
const path p((const char*)longString);
{
// On Windows, charset conversions cause allocations outside of the
// provided allocator.
TEST_NOT_WIN32(DisableAllocationGuard g);
Alloc a;
Alloc::disable_default_constructor = true;
Str s = p.generic_string<CharT, Traits, Alloc>(a);
assert(s == expect);
assert(Alloc::alloc_count > 0);
assert(Alloc::outstanding_alloc() == 1);
Alloc::disable_default_constructor = false;
}
}
int main(int, char**)
{
doAllocTest<char>();
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
doAllocTest<wchar_t>();
#endif
doAllocTest<char16_t>();
doAllocTest<char32_t>();
#if TEST_STD_VER > 17 && defined(__cpp_lib_char8_t)
doAllocTest<char8_t>();
#endif
return 0;
}
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