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  • Committer: Package Import Robot
  • Author(s): Timo Jyrinki
  • Date: 2013-02-05 12:46:17 UTC
  • Revision ID: package-import@ubuntu.com-20130205124617-c8jouts182j002fx
Tags: upstream-5.0.1+dfsg
Import upstream version 5.0.1+dfsg

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tests/auto/corelib/global/qtendian/tst_qtendian.cpp
 
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/****************************************************************************
 
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**
 
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
 
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** Contact: http://www.qt-project.org/legal
 
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**
 
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** This file is part of the test suite of the Qt Toolkit.
 
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**
 
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** $QT_BEGIN_LICENSE:LGPL$
 
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** Commercial License Usage
 
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** Licensees holding valid commercial Qt licenses may use this file in
 
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** accordance with the commercial license agreement provided with the
 
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** Software or, alternatively, in accordance with the terms contained in
 
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** a written agreement between you and Digia.  For licensing terms and
 
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** conditions see http://qt.digia.com/licensing.  For further information
 
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** use the contact form at http://qt.digia.com/contact-us.
 
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**
 
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** GNU Lesser General Public License Usage
 
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** Alternatively, this file may be used under the terms of the GNU Lesser
 
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** General Public License version 2.1 as published by the Free Software
 
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** Foundation and appearing in the file LICENSE.LGPL included in the
 
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** packaging of this file.  Please review the following information to
 
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** ensure the GNU Lesser General Public License version 2.1 requirements
 
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 
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**
 
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** In addition, as a special exception, Digia gives you certain additional
 
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** rights.  These rights are described in the Digia Qt LGPL Exception
 
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 
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**
 
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** GNU General Public License Usage
 
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** Alternatively, this file may be used under the terms of the GNU
 
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** General Public License version 3.0 as published by the Free Software
 
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** Foundation and appearing in the file LICENSE.GPL included in the
 
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** packaging of this file.  Please review the following information to
 
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** ensure the GNU General Public License version 3.0 requirements will be
 
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** met: http://www.gnu.org/copyleft/gpl.html.
 
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**
 
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**
 
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** $QT_END_LICENSE$
 
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**
 
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****************************************************************************/
 
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#include <QtTest/QtTest>
 
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#include <QtCore/qendian.h>
 
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class tst_QtEndian: public QObject
 
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{
 
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    Q_OBJECT
 
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private slots:
 
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    void fromBigEndian();
 
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    void fromLittleEndian();
 
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    void toBigEndian();
 
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    void toLittleEndian();
 
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};
 
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struct TestData
 
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{
 
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    quint64 data64;
 
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    quint32 data32;
 
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    quint16 data16;
 
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    quint8 data8;
 
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    quint8 reserved;
 
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};
 
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union RawTestData
 
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{
 
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    uchar rawData[sizeof(TestData)];
 
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    TestData data;
 
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};
 
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static const TestData inNativeEndian = { Q_UINT64_C(0x0123456789abcdef), 0x00c0ffee, 0xcafe, 0xcf, '\0' };
 
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static const RawTestData inBigEndian = { "\x01\x23\x45\x67\x89\xab\xcd\xef" "\x00\xc0\xff\xee" "\xca\xfe" "\xcf" };
 
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static const RawTestData inLittleEndian = { "\xef\xcd\xab\x89\x67\x45\x23\x01" "\xee\xff\xc0\x00" "\xfe\xca" "\xcf" };
 
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#define EXPAND_ENDIAN_TEST(endian)          \
 
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    do {                                    \
 
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        /* Unsigned tests */                \
 
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        ENDIAN_TEST(endian, quint, 64);     \
 
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        ENDIAN_TEST(endian, quint, 32);     \
 
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        ENDIAN_TEST(endian, quint, 16);     \
 
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        ENDIAN_TEST(endian, quint, 8);      \
 
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                                            \
 
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        /* Signed tests */                  \
 
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        ENDIAN_TEST(endian, qint, 64);      \
 
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        ENDIAN_TEST(endian, qint, 32);      \
 
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        ENDIAN_TEST(endian, qint, 16);      \
 
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        ENDIAN_TEST(endian, qint, 8);       \
 
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    } while (false)                         \
 
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    /**/
 
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#define ENDIAN_TEST(endian, type, size)                                                 \
 
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    do {                                                                                \
 
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        QCOMPARE(qFrom ## endian ## Endian(                                             \
 
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                    (type ## size)(in ## endian ## Endian.data.data ## size)),          \
 
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                (type ## size)(inNativeEndian.data ## size));                           \
 
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        QCOMPARE(qFrom ## endian ## Endian<type ## size>(                               \
 
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                    in ## endian ## Endian.rawData + offsetof(TestData, data ## size)), \
 
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                (type ## size)(inNativeEndian.data ## size));                           \
 
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    } while (false)                                                                     \
 
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    /**/
 
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void tst_QtEndian::fromBigEndian()
 
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{
 
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    EXPAND_ENDIAN_TEST(Big);
 
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}
 
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void tst_QtEndian::fromLittleEndian()
 
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{
 
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    EXPAND_ENDIAN_TEST(Little);
 
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}
 
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#undef ENDIAN_TEST
 
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#define ENDIAN_TEST(endian, type, size)                                                 \
 
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    do {                                                                                \
 
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        QCOMPARE(qTo ## endian ## Endian(                                               \
 
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                    (type ## size)(inNativeEndian.data ## size)),                       \
 
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                (type ## size)(in ## endian ## Endian.data.data ## size));              \
 
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                                                                                        \
 
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        RawTestData test;                                                               \
 
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        qTo ## endian ## Endian(                                                        \
 
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                (type ## size)(inNativeEndian.data ## size),                            \
 
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                test.rawData + offsetof(TestData, data ## size));                       \
 
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        QCOMPARE(test.data.data ## size, in ## endian ## Endian.data.data ## size );    \
 
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    } while (false)                                                                     \
 
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    /**/
 
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void tst_QtEndian::toBigEndian()
 
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{
 
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    EXPAND_ENDIAN_TEST(Big);
 
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}
 
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void tst_QtEndian::toLittleEndian()
 
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{
 
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    EXPAND_ENDIAN_TEST(Little);
 
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}
 
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#undef ENDIAN_TEST
 
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QTEST_MAIN(tst_QtEndian)
 
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#include "tst_qtendian.moc"