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filesystem/test/relative_test.cpp

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3.9 KiB
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// filesystem relative_test.cpp ---------------------------------------------------- //
// Copyright Beman Dawes 2015
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
// Library home page: http://www.boost.org/libs/filesystem
// ---------------------------------------------------------------------------------- //
//
// At least initially, development is easier if these tests are in a separate file.
//
// ---------------------------------------------------------------------------------- //
#include <boost/config/warning_disable.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/detail/lightweight_test_report.hpp>
#include <iostream>
namespace fs = boost::filesystem;
using boost::filesystem::path;
using std::cout;
using std::endl;
namespace
{
boost::system::error_code ec;
const boost::system::error_code ok;
const boost::system::error_code ng(-1, boost::system::system_category());
std::string platform(BOOST_PLATFORM);
} // unnamed namespace
//--------------------------------------------------------------------------------------//
// //
// main //
// //
//--------------------------------------------------------------------------------------//
int test_main(int, char*[])
{
// document state of critical macros
#ifdef BOOST_POSIX_API
cout << "BOOST_POSIX_API" << endl;
#endif
#ifdef BOOST_WINDOWS_API
cout << "BOOST_WINDOWS_API" << endl;
#endif
// Given p and base are objects of class path; if !p.empty() && !base.empty() &&
// *p.begin() == *base.begin() then return a path such that
// p == base / p.relative(base) otherwise return path(). However, if all elements of
// p are equal to the corresponding element of base, return path(".").
BOOST_TEST(path("").relative("") == path());
BOOST_TEST(path("").relative("/foo") == path());
BOOST_TEST(path("/foo").relative("") == path());
BOOST_TEST(path("/foo").relative("/foo") == path("."));
BOOST_TEST(path("").relative("foo") == path());
BOOST_TEST(path("foo").relative("") == path());
BOOST_TEST(path("foo").relative("foo") == path("."));
BOOST_TEST(path("a/b/c").relative("a") == path("b/c"));
BOOST_TEST(path("a/b/c").relative("a/b") == path("c"));
BOOST_TEST(path("a/b/c").relative("a/b/c") == path("."));
BOOST_TEST(path("a/b/c").relative("a/b/c/x") == path(".."));
BOOST_TEST(path("a/b/c").relative("a/b/c/x/y") == path("../.."));
BOOST_TEST(path("a/b/c").relative("a/x") == path("../b/c"));
BOOST_TEST(path("a/b/c").relative("a/b/x") == path("../c"));
BOOST_TEST(path("a/b/c").relative("a/x/y") == path("../../b/c"));
BOOST_TEST(path("a/b/c").relative("a/b/x/y") == path("../../c"));
BOOST_TEST(path("a/b/c").relative("a/b/c/x/y/z") == path("../../.."));
BOOST_TEST(path("a/b/c").relative("x") == path());
BOOST_TEST(path("a/b/c").relative("x/y") == path());
BOOST_TEST(path("a/b/c").relative("x/y/z") == path());
BOOST_TEST(path("a/b/c").relative("x") == path());
BOOST_TEST(path("a/b/c").relative("x/y") == path());
BOOST_TEST(path("a/b/c").relative("x/y/z") == path());
// TODO: add some Windows-only test cases that probe presence or absence of
// drive specifier-and root-directory
// Some tests from Jamie Allsop's paper
BOOST_TEST(path("/a/d").relative("/a/b/c") == path("../../d"));
BOOST_TEST(path("/a/b/c").relative("/a/d") == path("../b/c"));
#ifdef BOOST_WINDOWS_API
BOOST_TEST(path("c:\\y").relative("c:\\x") == path("../y"));
#else
BOOST_TEST(path("c:\\y").relative("c:\\x") == path(""));
#endif
BOOST_TEST(path("d:\\y").relative("c:\\x") == path(""));
// From issue #1976
BOOST_TEST(path("/foo/new").relative("/foo/bar") == path("../new"));
return ::boost::report_errors();
}