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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
// <filesystem>
// class path
// template <class Source>
// path(const Source& source);
// template <class InputIterator>
// path(InputIterator first, InputIterator last);
#include "filesystem_include.hpp"
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"
#include "min_allocator.h"
#include "filesystem_test_helper.hpp"
template <class CharT, class ...Args>
void RunTestCaseImpl(MultiStringType const& MS, Args... args) {
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);
// StringTypes
{
const std::basic_string<CharT> S(TestPath);
path p(S, args...);
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
assert(p.string<CharT>() == S);
}
{
const std::basic_string_view<CharT> S(TestPath);
path p(S, args...);
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
assert(p.string<CharT>() == S);
}
// Char* pointers
{
path p(TestPath, args...);
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
}
{
path p(TestPath, TestPathEnd, args...);
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
}
// Iterators
{
using It = input_iterator<const CharT*>;
path p(It{TestPath}, args...);
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
}
{
using It = input_iterator<const CharT*>;
path p(It{TestPath}, It{TestPathEnd}, args...);
assert(p.native() == Expect);
assert(p.string<CharT>() == TestPath);
}
}
template <class CharT, class ...Args>
void RunTestCase(MultiStringType const& MS) {
RunTestCaseImpl<CharT>(MS);
RunTestCaseImpl<CharT>(MS, fs::path::format::auto_format);
RunTestCaseImpl<CharT>(MS, fs::path::format::native_format);
RunTestCaseImpl<CharT>(MS, fs::path::format::generic_format);
}
void test_sfinae() {
using namespace fs;
{
using It = const char* const;
static_assert(std::is_constructible<path, It>::value, "");
}
{
using It = input_iterator<const char*>;
static_assert(std::is_constructible<path, It>::value, "");
}
{
struct Traits {
using iterator_category = std::input_iterator_tag;
using value_type = const char;
using pointer = const char*;
using reference = const char&;
using difference_type = std::ptrdiff_t;
};
using It = input_iterator<const char*, Traits>;
static_assert(std::is_constructible<path, It>::value, "");
}
{
using It = output_iterator<const char*>;
static_assert(!std::is_constructible<path, It>::value, "");
}
{
static_assert(!std::is_constructible<path, int*>::value, "");
}
}
int main() {
for (auto const& MS : PathList) {
RunTestCase<char>(MS);
RunTestCase<wchar_t>(MS);
RunTestCase<char16_t>(MS);
RunTestCase<char32_t>(MS);
}
test_sfinae();
}
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