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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtTest module of the Qt Toolkit.

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     9 ** $QT_BEGIN_LICENSE:LGPL$

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    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

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    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

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    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

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    24 ** In addition, as a special exception, Nokia gives you certain additional

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    36 **

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include "QtTest/private/qabstracttestlogger_p.h"

    43 #include "QtTest/private/qtestlog_p.h"

    44 #include "QtTest/qtestassert.h"

    45 

    46 #include "QtCore/qbytearray.h"

    47 

    48 #include <stdio.h>

    49 #include <stdlib.h>

    50 #include <stdarg.h>

    51 

    52 #ifndef Q_OS_WIN

    53 #include <unistd.h>

    54 #endif

    55 

    56 QT_BEGIN_NAMESPACE

    57 

    58 namespace QTest

    59 {

    60     static FILE *stream = 0;

    61 }

    62 

    63 void QAbstractTestLogger::outputString(const char *msg)

    64 {

    65     QTEST_ASSERT(QTest::stream);

    66 

    67     ::fputs(msg, QTest::stream);

    68     ::fflush(QTest::stream);

    69 }

    70 

    71 bool QAbstractTestLogger::isTtyOutput()

    72 {

    73     QTEST_ASSERT(QTest::stream);

    74 

    75 #if defined(Q_OS_WIN) || defined(Q_OS_INTEGRITY)

    76     return true;

    77 #else

    78     static bool ttyoutput = isatty(fileno(QTest::stream));

    79     return ttyoutput;

    80 #endif

    81 }

    82 

    83 

    84 void QAbstractTestLogger::startLogging()

    85 {

    86     QTEST_ASSERT(!QTest::stream);

    87 

    88     const char *out = QTestLog::outputFileName();

    89     if (!out) {

    90         QTest::stream = stdout;

    91         return;

    92     }

    93 #if defined(_MSC_VER) && _MSC_VER >= 1400 && !defined(Q_OS_WINCE)

    94     if (::fopen_s(&QTest::stream, out, "wt")) {

    95 #else

    96     QTest::stream = ::fopen(out, "wt");

    97     if (!QTest::stream) {

    98 #endif

    99         printf("Unable to open file for logging: %s", out);

   100         ::exit(1);

   101     }

   102 }

   103 

   104 void QAbstractTestLogger::stopLogging()

   105 {

   106     QTEST_ASSERT(QTest::stream);

   107     if (QTest::stream != stdout)

   108         fclose(QTest::stream);

   109     QTest::stream = 0;

   110 }

   111 

   112 namespace QTest

   113 {

   114 

   115 extern void filter_unprintable(char *str);

   116 

   117 /*!

   118     \fn int QTest::qt_asprintf(QTestCharBuffer *buf, const char *format, ...);

   119     \internal

   120  */

   121 int qt_asprintf(QTestCharBuffer *str, const char *format, ...)

   122 {

   123     static const int MAXSIZE = 1024*1024*2;

   124 

   125     Q_ASSERT(str);

   126 

   127     int size = str->size();

   128 

   129     va_list ap;

   130     int res = 0;

   131 

   132     for (;;) {

   133         va_start(ap, format);

   134         res = qvsnprintf(str->data(), size, format, ap);

   135         va_end(ap);

   136         str->data()[size - 1] = '\0';

   137         if (res >= 0 && res < size) {

   138             // We succeeded

   139             break;

   140         }

   141         // buffer wasn't big enough, try again.

   142         // Note, we're assuming that a result of -1 is always due to running out of space.

   143         size *= 2;

   144         if (size > MAXSIZE) {

   145             break;

   146         }

   147         if (!str->reset(size))

   148             break; // out of memory - take what we have

   149     }

   150 

   151     filter_unprintable(str->data());

   152 

   153     return res;

   154 }

   155 

   156 }

   157 

   158 QT_END_NAMESPACE