/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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** This file is part of Qt Creator.
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** GNU General Public License Usage
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** 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 <diagnostic.h>
#include <diagnosticset.h>
#include <projectpart.h>
#include <projects.h>
#include <clangdocument.h>
#include <clangdocuments.h>
#include <clangtranslationunit.h>
#include <unsavedfiles.h>
#include <sourcelocation.h>
#include <sourcerange.h>
#include <fixit.h>

#include <clang-c/Index.h>

using ClangBackEnd::DiagnosticSet;
using ClangBackEnd::Document;
using ClangBackEnd::TranslationUnit;
using ClangBackEnd::ProjectPart;
using ClangBackEnd::UnsavedFiles;
using ClangBackEnd::Diagnostic;
using ClangBackEnd::FixIt;
using testing::PrintToString;

namespace {

MATCHER_P4(IsSourceLocation, filePath, line, column, offset,
           std::string(negation ? "isn't" : "is")
           + " source location with file path "+ PrintToString(filePath)
           + ", line " + PrintToString(line)
           + ", column " + PrintToString(column)
           + " and offset " + PrintToString(offset)
           )
{
    if (!arg.filePath().endsWith(filePath)
            || arg.line() != line
            || arg.column() != column
            || arg.offset() != offset)
        return false;

    return true;
}

struct FixItData
{
    FixItData(TranslationUnit &translationUnit)
        : diagnosticSet{translationUnit.diagnostics()}
        , diagnostic{diagnosticSet.front()}
        , fixIt{diagnostic.fixIts().front()}
    {
    }

    DiagnosticSet diagnosticSet;
    Diagnostic diagnostic;
    ::FixIt fixIt;
};

struct Data
{
    Data()
    {
        document.parse();
        d.reset(new FixItData(translationUnit));
    }

    ProjectPart projectPart{Utf8StringLiteral("projectPartId")};
    ClangBackEnd::ProjectParts projects;
    ClangBackEnd::UnsavedFiles unsavedFiles;
    ClangBackEnd::Documents documents{projects, unsavedFiles};
    Document document{Utf8StringLiteral(TESTDATA_DIR"/diagnostic_semicolon_fixit.cpp"),
                      projectPart,
                      Utf8StringVector(),
                      documents};
    TranslationUnit translationUnit{document.translationUnit()};
    std::unique_ptr<FixItData> d;
};

class FixIt : public ::testing::Test
{
public:
    static void SetUpTestCase();
    static void TearDownTestCase();

protected:
    static Data *d;
    ::Diagnostic &diagnostic = d->d->diagnostic;
    ::FixIt &fixIt = d->d->fixIt;
};

TEST_F(FixIt, Size)
{
    ASSERT_THAT(diagnostic.fixIts().size(), 1);
}

TEST_F(FixIt, Text)
{
    ASSERT_THAT(fixIt.text(), Utf8StringLiteral(";"));
}


TEST_F(FixIt, Start)
{
    ASSERT_THAT(fixIt.range().start(), IsSourceLocation(Utf8StringLiteral("diagnostic_semicolon_fixit.cpp"),
                                                        3u,
                                                        13u,
                                                        29u));
}

TEST_F(FixIt, End)
{
    ASSERT_THAT(fixIt.range().end(), IsSourceLocation(Utf8StringLiteral("diagnostic_semicolon_fixit.cpp"),
                                                      3u,
                                                      13u,
                                                      29u));
}

Data *FixIt::d;

void FixIt::SetUpTestCase()
{
    d = new Data;
}

void FixIt::TearDownTestCase()
{
    delete d;
    d = nullptr;
}

} // anonymous
