qt-creator/tests/unit/unittest/clangcodecompleteresults-test.cpp

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#include "googletest.h"

#include <clangcodecompleteresults.h>
#include <clangdocument.h>
#include <clangfilepath.h>
#include <clangtranslationunitupdater.h>
#include <clangtranslationunit.h>
#include <clangdocuments.h>
#include <unsavedfiles.h>
#include <utf8string.h>

#include <clang-c/Index.h>

namespace {

using ClangBackEnd::ClangCodeCompleteResults;
using ClangBackEnd::FilePath;
using ClangBackEnd::Document;
using ClangBackEnd::UnsavedFiles;

static unsigned completionOptions()
{
    return ClangBackEnd::TranslationUnitUpdater::defaultParseOptions()
                & CXTranslationUnit_IncludeBriefCommentsInCodeCompletion
            ? CXCodeComplete_IncludeBriefComments
            : 0;
}

TEST(ClangCodeCompleteResultsSlowTest, GetData)
{
    ClangBackEnd::UnsavedFiles unsavedFiles;
    ClangBackEnd::Documents documents{unsavedFiles};
    Document document(Utf8StringLiteral(TESTDATA_DIR"/complete_testfile_1.cpp"),
                      {},
                      {},
                      documents);
    Utf8String nativeFilePath = FilePath::toNativeSeparators(document.filePath());
    document.parse();
    CXCodeCompleteResults *cxCodeCompleteResults =
            clang_codeCompleteAt(document.translationUnit().cxTranslationUnit(),
                                 nativeFilePath.constData(),
                                 49, 1, 0, 0,
                                 completionOptions());

    ClangCodeCompleteResults codeCompleteResults(cxCodeCompleteResults);

    ASSERT_THAT(codeCompleteResults.data(), cxCodeCompleteResults);
}

TEST(ClangCodeCompleteResults, GetInvalidData)
{
    CXCodeCompleteResults *cxCodeCompleteResults = clang_codeCompleteAt(nullptr, "file.cpp", 49, 1, 0, 0, 0);

    ClangCodeCompleteResults codeCompleteResults(cxCodeCompleteResults);

    ASSERT_THAT(codeCompleteResults.data(), cxCodeCompleteResults);
}

TEST(ClangCodeCompleteResultsSlowTest, MoveClangCodeCompleteResults)
{
    ClangBackEnd::UnsavedFiles unsavedFiles;
    ClangBackEnd::Documents documents{unsavedFiles};
    Document document(Utf8StringLiteral(TESTDATA_DIR"/complete_testfile_1.cpp"),
                      {},
                      {},
                      documents);
    Utf8String nativeFilePath = FilePath::toNativeSeparators(document.filePath());
    document.parse();
    CXCodeCompleteResults *cxCodeCompleteResults =
            clang_codeCompleteAt(document.translationUnit().cxTranslationUnit(),
                                 nativeFilePath.constData(),
                                 49, 1, 0, 0,
                                 completionOptions());

    ClangCodeCompleteResults codeCompleteResults(cxCodeCompleteResults);

    const ClangCodeCompleteResults codeCompleteResults2 = std::move(codeCompleteResults);

    ASSERT_TRUE(codeCompleteResults.isNull());
    ASSERT_FALSE(codeCompleteResults2.isNull());
}

}