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filesystem/test/relative_test.cpp

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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>
using boost::filesystem::path;
using boost::filesystem::lexically_relative;
using boost::filesystem::lexically_proximate;
using std::cout;
using std::endl;
namespace
{
void lexically_relative_test()
{
cout << "lexically_relative_test..." << endl;
BOOST_TEST(lexically_relative("", "") == "");
BOOST_TEST(lexically_relative("", "/foo") == "");
BOOST_TEST(lexically_relative("/foo", "") == "");
BOOST_TEST(lexically_relative("/foo", "/foo") == ".");
BOOST_TEST(lexically_relative("", "foo") == "");
BOOST_TEST(lexically_relative("foo", "") == "");
BOOST_TEST(lexically_relative("foo", "foo") == ".");
BOOST_TEST(lexically_relative("a/b/c", "a") == "b/c");
BOOST_TEST(lexically_relative("a//b//c", "a") == "b/c");
BOOST_TEST(lexically_relative("a/b/c", "a/b") == "c");
BOOST_TEST(lexically_relative("a///b//c", "a//b") == "c");
BOOST_TEST(lexically_relative("a/b/c", "a/b/c") == ".");
BOOST_TEST(lexically_relative("a/b/c", "a/b/c/x") == "..");
BOOST_TEST(lexically_relative("a/b/c", "a/b/c/x/y") == "../..");
BOOST_TEST(lexically_relative("a/b/c", "a/x") == "../b/c");
BOOST_TEST(lexically_relative("a/b/c", "a/b/x") == "../c");
BOOST_TEST(lexically_relative("a/b/c", "a/x/y") == "../../b/c");
BOOST_TEST(lexically_relative("a/b/c", "a/b/x/y") == "../../c");
BOOST_TEST(lexically_relative("a/b/c", "a/b/c/x/y/z") == "../../..");
// paths unrelated except first element, and first element is root directory
BOOST_TEST(lexically_relative("/a/b/c", "/x") == "../a/b/c");
BOOST_TEST(lexically_relative("/a/b/c", "/x/y") == "../../a/b/c");
BOOST_TEST(lexically_relative("/a/b/c", "/x/y/z") == "../../../a/b/c");
// paths unrelated
BOOST_TEST(lexically_relative("a/b/c", "x") == "");
BOOST_TEST(lexically_relative("a/b/c", "x/y") == "");
BOOST_TEST(lexically_relative("a/b/c", "x/y/z") == "");
BOOST_TEST(lexically_relative("a/b/c", "/x") == "");
BOOST_TEST(lexically_relative("a/b/c", "/x/y") == "");
BOOST_TEST(lexically_relative("a/b/c", "/x/y/z") == "");
BOOST_TEST(lexically_relative("a/b/c", "/a/b/c") == "");
// 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(lexically_relative("/a/d", "/a/b/c") == "../../d");
BOOST_TEST(lexically_relative("/a/b/c", "/a/d") == "../b/c");
#ifdef BOOST_WINDOWS_API
BOOST_TEST(lexically_relative("c:\\y", "c:\\x") == "../y");
#else
BOOST_TEST(lexically_relative("c:\\y", "c:\\x") == "");
#endif
BOOST_TEST(lexically_relative("d:\\y", "c:\\x") == "");
// From issue #1976
BOOST_TEST(lexically_relative("/foo/new", "/foo/bar") == "../new");
}
void lexically_proximate_test()
{
cout << "lexically_proximate_test..." << endl;
// paths unrelated
BOOST_TEST(lexically_proximate("a/b/c", "x") == "a/b/c");
}
} // 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
lexically_relative_test();
lexically_proximate_test();
return ::boost::report_errors();
}