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** Copyright (C) 2017 The Qt Company Ltd.
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**
** This file is part of Qt Creator.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
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#include "googletest.h"

#include <filepathview.h>

#include <utils/hostosinfo.h>

namespace {

using ClangBackEnd::NativeFilePathView;

Utils::PathString native(Utils::PathString path)
{
    if (Utils::HostOsInfo::isWindowsHost())
        path.replace('/', '\\');

    return path;
}

TEST(NativeFilePathView, FilePathSlashForEmptyPath)
{
    NativeFilePathView filePath("");

    ASSERT_THAT(filePath.slashIndex(), -1);
}

TEST(NativeFilePathView, FilePathSlashForSingleSlash)
{
    Utils::PathString nativePath = native("/");
    NativeFilePathView filePath(nativePath);

    ASSERT_THAT(filePath.slashIndex(), 0);
}

TEST(NativeFilePathView, FilePathSlashForFileInRoot)
{
    Utils::PathString nativePath = native("/file.h");
    NativeFilePathView filePath(nativePath);

    ASSERT_THAT(filePath.slashIndex(), 0);
}

TEST(NativeFilePathView, FilePathSlashForSomeLongerPath)
{
    Utils::PathString nativePath = native("/path/to/some/file.h");
    NativeFilePathView filePath(nativePath);

    ASSERT_THAT(filePath.slashIndex(), 13);
}

TEST(NativeFilePathView, FilePathSlashForFileNameOnly)
{
    Utils::PathString nativePath = native("file.h");
    NativeFilePathView filePath(nativePath);

    ASSERT_THAT(filePath.slashIndex(), -1);
}

TEST(NativeFilePathView, DirectoryPathForEmptyPath)
{
    NativeFilePathView filePath("");

    ASSERT_THAT(filePath.directory(), "");
}

TEST(NativeFilePathView, DirectoryPathForSingleSlashPath)
{
    Utils::PathString nativePath = native("/");
    NativeFilePathView filePath(nativePath);

    ASSERT_THAT(filePath.directory(), "");
}

TEST(NativeFilePathView, DirectoryPathForLongerPath)
{
    Utils::PathString nativePath = native("/path/to/some/file.h");
    NativeFilePathView filePath(nativePath);

    ASSERT_THAT(filePath.directory(), native("/path/to/some"));
}

TEST(NativeFilePathView, DirectoryPathForFileNameOnly)
{
    NativeFilePathView filePath{"file.h"};

    ASSERT_THAT(filePath.directory(), IsEmpty());
}

TEST(NativeFilePathView, FileNameForEmptyPath)
{
    NativeFilePathView filePath("");

    ASSERT_THAT(filePath.name(), "");
}

TEST(NativeFilePathView, FileNameForSingleSlashPath)
{
    Utils::PathString nativePath = native("/");
    NativeFilePathView filePath(nativePath);

    ASSERT_THAT(filePath.name(), "");
}

TEST(NativeFilePathView, FileNameForLongerPath)
{
    Utils::PathString nativePath = native("/path/to/some/file.h");
    NativeFilePathView filePath(nativePath);

    ASSERT_THAT(filePath.name(), "file.h");
}

TEST(NativeFilePathView, FileNameForFileNameOnly)
{
    NativeFilePathView filePath{"file.h"};

    ASSERT_THAT(filePath.name(), "file.h");
}

}