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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
// UNSUPPORTED: libcpp-no-exceptions
// <experimental/filesystem>
// class path
#define _LIBCPP_DEBUG 0
#define _LIBCPP_ASSERT(cond, msg) ((cond) ? ((void)0) : throw 42)
#include <experimental/filesystem>
#include <iterator>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "filesystem_test_helper.hpp"
namespace fs = std::experimental::filesystem;
int main() {
using namespace fs;
// Test incrementing/decrementing a singular iterator
{
path::iterator singular;
try {
++singular;
assert(false);
} catch (int) {}
try {
--singular;
assert(false);
} catch (int) {}
}
// Test decrementing the begin iterator
{
path p("foo/bar");
auto it = p.begin();
try {
--it;
assert(false);
} catch (int) {}
++it;
++it;
try {
++it;
assert(false);
} catch (int) {}
}
// Test incrementing the end iterator
{
path p("foo/bar");
auto it = p.end();
try {
++it;
assert(false);
} catch (int) {}
--it;
--it;
try {
--it;
assert(false);
} catch (int) {}
}
}
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