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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <experimental/filesystem>
// class path
// template <class Source>
// path& operator=(Source const&);
// template <class Source>
// path& assign(Source const&);
// template <class InputIterator>
// path& assign(InputIterator first, InputIterator last);
#include <experimental/filesystem>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"
#include "count_new.hpp"
#include "filesystem_test_helper.hpp"
#include <iostream>
namespace fs = std::experimental::filesystem;
template <class CharT>
void RunTestCase(MultiStringType const& MS) {
using namespace fs;
const char* Expect = MS;
const CharT* TestPath = MS;
const CharT* TestPathEnd = StrEnd(TestPath);
const std::size_t Size = TestPathEnd - TestPath;
const std::size_t SSize = StrEnd(Expect) - Expect;
assert(Size == SSize);
//////////////////////////////////////////////////////////////////////////////
// basic_string<Char, Traits, Alloc>
{
const std::basic_string<CharT> S(TestPath);
path p; PathReserve(p, S.length() + 1);
{
// string provides a contigious iterator. No allocation needed.
DisableAllocationGuard g;
path& pref = (p = S);
assert(&pref == &p);
}
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
assert(p.string<CharT>() == S);
}
{
const std::basic_string<CharT> S(TestPath);
path p; PathReserve(p, S.length() + 1);
{
DisableAllocationGuard g;
path& pref = p.assign(S);
assert(&pref == &p);
}
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
assert(p.string<CharT>() == S);
}
//////////////////////////////////////////////////////////////////////////////
// Char* pointers
{
path p; PathReserve(p, Size + 1);
{
// char* pointers are contigious and can be used with code_cvt directly.
// no allocations needed.
DisableAllocationGuard g;
path& pref = (p = TestPath);
assert(&pref == &p);
}
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
}
{
path p; PathReserve(p, Size + 1);
{
DisableAllocationGuard g;
path& pref = p.assign(TestPath);
assert(&pref == &p);
}
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
}
{
path p; PathReserve(p, Size + 1);
{
DisableAllocationGuard g;
path& pref = p.assign(TestPath, TestPathEnd);
assert(&pref == &p);
}
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
}
//////////////////////////////////////////////////////////////////////////////
// Iterators
{
using It = input_iterator<const CharT*>;
path p; PathReserve(p, Size + 1);
It it(TestPath);
{
// Iterators cannot be used with code_cvt directly. This assignment
// may allocate if it's larger than a "short-string".
path& pref = (p = it);
assert(&pref == &p);
}
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
}
{
using It = input_iterator<const CharT*>;
path p; PathReserve(p, Size + 1);
It it(TestPath);
{
path& pref = p.assign(it);
assert(&pref == &p);
}
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
}
{
using It = input_iterator<const CharT*>;
path p; PathReserve(p, Size + 1);
It it(TestPath);
It e(TestPathEnd);
{
path& pref = p.assign(it, e);
assert(&pref == &p);
}
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
}
}
int main() {
for (auto const& MS : PathList) {
RunTestCase<char>(MS);
RunTestCase<wchar_t>(MS);
RunTestCase<char16_t>(MS);
RunTestCase<char32_t>(MS);
}
}
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