qabstracttestlogger_p.h

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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QABSTRACTTESTLOGGER_P_H
#define QABSTRACTTESTLOGGER_P_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <QtTest/qttestglobal.h>
#include <QtCore/private/qglobal_p.h>
#include <QtCore/qbytearrayalgorithms.h>
 
#include <stdio.h>
#include <stdlib.h>
 
QT_BEGIN_NAMESPACE
 
class QBenchmarkResult;
class QTestData;
 
class Q_TESTLIB_EXPORT QAbstractTestLogger
{
    Q_DISABLE_COPY_MOVE(QAbstractTestLogger)
public:
    enum IncidentTypes {
        Skip,
        Pass,
        XFail,
        Fail,
        XPass,
        BlacklistedPass,
        BlacklistedFail,
        BlacklistedXPass,
        BlacklistedXFail
    };
 
    enum MessageTypes {
        QDebug,
        QInfo,
        QWarning,
        QCritical,
        QFatal,
        // testlib's internal messages:
        Info,
        Warn
    };
 
    QAbstractTestLogger(const char *filename);
    virtual ~QAbstractTestLogger();
 
    virtual void startLogging();
    virtual void stopLogging();
 
    virtual void enterTestFunction(const char *function) = 0;
    virtual void leaveTestFunction() = 0;
 
    virtual void enterTestData(QTestData *) {}
 
    virtual void addIncident(IncidentTypes type, const char *description,
                             const char *file = nullptr, int line = 0) = 0;
    virtual void addBenchmarkResult(const QBenchmarkResult &result) = 0;
    virtual void addBenchmarkResults(const QList<QBenchmarkResult> &result);
 
    virtual void addMessage(QtMsgType, const QMessageLogContext &,
                            const QString &);
 
    virtual void addMessage(MessageTypes type, const QString &message,
                            const char *file = nullptr, int line = 0) = 0;
 
    bool isLoggingToStdout() const;
 
    void outputString(const char *msg);
 
protected:
    void filterUnprintable(char *str) const;
    FILE *stream;
};
 
struct QTestCharBuffer
{
    enum { InitialSize = 512 };
 
    inline QTestCharBuffer() : buf(staticBuf)
    {
        staticBuf[0] = '\0';
    }
 
    Q_DISABLE_COPY_MOVE(QTestCharBuffer)
 
    inline ~QTestCharBuffer()
    {
        if (buf != staticBuf)
            free(buf);
    }
 
    inline char *data()
    {
        return buf;
    }
 
    inline char **buffer()
    {
        return &buf;
    }
 
    inline const char* constData() const
    {
        return buf;
    }
 
    inline int size() const
    {
        return _size;
    }
 
    bool reset(int newSize, bool copy = false)
    {
        char *newBuf = nullptr;
        if (buf == staticBuf) {
            // if we point to our internal buffer, we need to malloc first
            newBuf = reinterpret_cast<char *>(malloc(newSize));
            if (copy && newBuf)
                qstrncpy(newBuf, buf, _size);
        } else {
            // if we already malloc'ed, just realloc
            newBuf = reinterpret_cast<char *>(realloc(buf, newSize));
        }
 
        // if the allocation went wrong (newBuf == 0), we leave the object as is
        if (!newBuf)
            return false;
 
        _size = newSize;
        buf = newBuf;
        return true;
    }
 
    bool resize(int newSize) {
        return newSize <= _size || reset(newSize, true);
    }
 
    void clear() { buf[0] = '\0'; }
    bool isEmpty() { return buf[0] == '\0'; }
 
private:
    int _size = InitialSize;
    char* buf;
    char staticBuf[InitialSize];
};
 
namespace QTest
{
    int qt_asprintf(QTestCharBuffer *buf, const char *format, ...);
}
 
namespace QTestPrivate
{
    enum IdentifierPart { TestObject = 0x1, TestFunction = 0x2, TestDataTag = 0x4, AllParts = 0xFFFF };
    void Q_TESTLIB_EXPORT generateTestIdentifier(QTestCharBuffer *identifier, int parts = AllParts);
    bool appendCharBuffer(QTestCharBuffer *accumulator, const QTestCharBuffer &more);
}
 
QT_END_NAMESPACE
 
#endif