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[libc++] Build <filesystem> support as part of the dylib

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Summary:
This patch treats <filesystem> as a first-class citizen of the dylib,
like all other sub-libraries (e.g. <chrono>). As such, it also removes
all special handling for installing the filesystem library separately
or disabling part of the test suite from the lit command line.

Reviewers: mclow.lists, EricWF, serge-sans-paille

Subscribers: mgorny, christof, jkorous, dexonsmith, jfb, jdoerfert, libcxx-commits

Differential Revision: https://reviews.llvm.org/D59152

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@356500 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Louis Dionne
2019-03-19 19:09:33 +00:00
parent 7dfcf562fe
commit 582679a3fe
163 changed files with 210 additions and 14305 deletions
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138
test/std/input.output/filesystems/class.path/path.member/path.native.obs/string_alloc.pass.cpp
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@@ -1,138 +0,0 @@
//===----------------------------------------------------------------------===//
//
// 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++98, c++03
// <filesystem>
// class path
// template <class ECharT, class Traits = char_traits<ECharT>,
// class Allocator = allocator<ECharT>>
// basic_string<ECharT, Traits, Allocator>
// string(const Allocator& a = Allocator()) const;
#include "filesystem_include.hpp"
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"
#include "count_new.hpp"
#include "min_allocator.h"
#include "filesystem_test_helper.hpp"
// the SSO is always triggered for strings of size 2.
MultiStringType shortString = MKSTR("a");
MultiStringType longString = MKSTR("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/123456789/abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
template <class CharT>
void doShortStringTest(MultiStringType const& MS) {
using namespace fs;
using Ptr = CharT const*;
using Str = std::basic_string<CharT>;
using Alloc = std::allocator<CharT>;
Ptr value = MS;
const path p((const char*)MS);
{
DisableAllocationGuard g;
Str s = p.string<CharT>();
assert(s == value);
Str s2 = p.string<CharT>(Alloc{});
assert(s2 == value);
}
using MAlloc = malloc_allocator<CharT>;
MAlloc::reset();
{
using Traits = std::char_traits<CharT>;
using AStr = std::basic_string<CharT, Traits, MAlloc>;
DisableAllocationGuard g;
AStr s = p.string<CharT, Traits, MAlloc>();
assert(s == value);
assert(MAlloc::alloc_count == 0);
assert(MAlloc::outstanding_alloc() == 0);
}
MAlloc::reset();
{ // Other allocator - provided copy
using Traits = std::char_traits<CharT>;
using AStr = std::basic_string<CharT, Traits, MAlloc>;
DisableAllocationGuard g;
MAlloc a;
// don't allow another allocator to be default constructed.
MAlloc::disable_default_constructor = true;
AStr s = p.string<CharT, Traits, MAlloc>(a);
assert(s == value);
assert(MAlloc::alloc_count == 0);
assert(MAlloc::outstanding_alloc() == 0);
}
MAlloc::reset();
}
template <class CharT>
void doLongStringTest(MultiStringType const& MS) {
using namespace fs;
using Ptr = CharT const*;
using Str = std::basic_string<CharT>;
Ptr value = MS;
const path p((const char*)MS);
{ // Default allocator
using Alloc = std::allocator<CharT>;
Str s = p.string<CharT>();
assert(s == value);
Str s2 = p.string<CharT>(Alloc{});
assert(s2 == value);
}
using MAlloc = malloc_allocator<CharT>;
MAlloc::reset();
{ // Other allocator - default construct
using Traits = std::char_traits<CharT>;
using AStr = std::basic_string<CharT, Traits, MAlloc>;
DisableAllocationGuard g;
AStr s = p.string<CharT, Traits, MAlloc>();
assert(s == value);
assert(MAlloc::alloc_count > 0);
assert(MAlloc::outstanding_alloc() == 1);
}
MAlloc::reset();
{ // Other allocator - provided copy
using Traits = std::char_traits<CharT>;
using AStr = std::basic_string<CharT, Traits, MAlloc>;
DisableAllocationGuard g;
MAlloc a;
// don't allow another allocator to be default constructed.
MAlloc::disable_default_constructor = true;
AStr s = p.string<CharT, Traits, MAlloc>(a);
assert(s == value);
assert(MAlloc::alloc_count > 0);
assert(MAlloc::outstanding_alloc() == 1);
}
MAlloc::reset();
/////////////////////////////////////////////////////////////////////////////
}
int main(int, char**)
{
using namespace fs;
{
auto const& S = shortString;
doShortStringTest<char>(S);
doShortStringTest<wchar_t>(S);
doShortStringTest<char16_t>(S);
doShortStringTest<char32_t>(S);
}
{
auto const& S = longString;
doLongStringTest<char>(S);
doLongStringTest<wchar_t>(S);
doLongStringTest<char16_t>(S);
doLongStringTest<char32_t>(S);
}
return 0;
}