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/* vim: set sw=4 sts=4 et foldmethod=syntax : */

/*
 * Copyright (c) 2007 David Leverton
 * Copyright (c) 2011 Ciaran McCreesh
 *
 * This file is part of the Paludis package manager. Paludis is free software;
 * you can redistribute it and/or modify it under the terms of the GNU General
 * Public License version 2, as published by the Free Software Foundation.
 *
 * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <paludis/util/realpath.hh>
#include <paludis/util/fs_path.hh>
#include <paludis/util/fs_error.hh>
#include <paludis/util/stringify.hh>

#include <gtest/gtest.h>

using namespace paludis;

namespace
{
    FSPath resolve(const FSPath & symlink, const FSPath & root)
    {
        return realpath_with_current_and_root(FSPath((root / symlink).readlink()), symlink.dirname(), root);
    }
}

TEST(Realpath, CurrentAndRoot)
{
    FSPath root("realpath_TEST_dir");

    EXPECT_EQ("/usr/lib64/libfoo.so.1", stringify(resolve(FSPath("/usr/lib64/libfoo.so"), root)));
    EXPECT_EQ("/usr/lib64/libbar.so.1", stringify(resolve(FSPath("/usr/lib64/libbar.so"), root)));
    EXPECT_EQ("/usr/lib64/libbaz.so.1", stringify(resolve(FSPath("/usr/lib64/libbaz.so"), root)));
    EXPECT_EQ("/usr/lib64/libxyzzy.so.1", stringify(resolve(FSPath("/usr/lib64/libxyzzy.so"), root)));
    EXPECT_EQ("/usr/lib64/libplugh.so.1", stringify(resolve(FSPath("/usr/lib64/libplugh.so"), root)));
    EXPECT_EQ("/usr/lib64/libplover.so.1", stringify(resolve(FSPath("/usr/lib64/libplover.so"), root)));
    EXPECT_EQ("/usr/lib64/libblast.so.1", stringify(resolve(FSPath("/usr/lib64/libblast.so"), root)));
    EXPECT_EQ("/usr/lib64/libquux.so.1", stringify(resolve(FSPath("/usr/lib64/libquux.so"), root)));
    EXPECT_EQ("/usr/lib64/libnarf.so.1", stringify(resolve(FSPath("/usr/lib64/libnarf.so"), root)));
    EXPECT_EQ("/usr/lib64/libblech.so.1", stringify(resolve(FSPath("/usr/lib64/libblech.so"), root)));
    EXPECT_EQ("/usr/lib64/libstab.so.1", stringify(resolve(FSPath("/usr/lib64/libstab.so"), root)));
    EXPECT_EQ("/usr/lib64/libsnark.so.1", stringify(resolve(FSPath("/usr/lib64/libsnark.so"), root)));
    EXPECT_EQ("/usr/lib32/libfool.so.1", stringify(resolve(FSPath("/usr/lib64/libfool.so"), root)));
    EXPECT_EQ("/usr/lib64/barf/libbarf.so.1", stringify(resolve(FSPath("/usr/lib64/libbarf.so"), root)));
    EXPECT_EQ("/usr/lib64/libblip.so.1.0.1", stringify(resolve(FSPath("/usr/lib64/libblip.so"), root)));
    EXPECT_EQ("/usr/lib64/libpoing.so.1.0.1", stringify(resolve(FSPath("/usr/lib64/libpoing.so"), root)));
    EXPECT_EQ("/usr/lib64/x/liby.so.1", stringify(resolve(FSPath("/usr/lib64/x/liby.so"), root)));

    EXPECT_THROW(resolve(FSPath("/usr/lib64/libouch.so"), root), FSError);
    EXPECT_THROW(resolve(FSPath("/usr/lib64/libping.so"), root), FSError);
}