diff -r 000000000000 -r 1918ee327afb tests/auto/qdbusmarshall/tst_qdbusmarshall.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qdbusmarshall/tst_qdbusmarshall.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,942 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#define DBUS_API_SUBJECT_TO_CHANGE
+#include <QtCore/QtCore>
+#include <QtTest/QtTest>
+#include <QtDBus/QtDBus>
+#include <QtDBus/private/qdbusutil_p.h>
+
+#include "common.h"
+#include <limits>
+
+static const char serviceName[] = "com.trolltech.autotests.qpong";
+static const char objectPath[] = "/com/trolltech/qpong";
+static const char *interfaceName = serviceName;
+
+class tst_QDBusMarshall: public QObject
+{
+    Q_OBJECT
+
+public slots:
+    void initTestCase();
+    void cleanupTestCase();
+
+private slots:
+    void sendBasic_data();
+    void sendBasic();
+
+    void sendVariant_data();
+    void sendVariant();
+
+    void sendArrays_data();
+    void sendArrays();
+
+    void sendArrayOfArrays_data();
+    void sendArrayOfArrays();
+
+    void sendMaps_data();
+    void sendMaps();
+
+    void sendStructs_data();
+    void sendStructs();
+
+    void sendComplex_data();
+    void sendComplex();
+
+    void sendArgument_data();
+    void sendArgument();
+
+    void sendSignalErrors();
+    void sendCallErrors_data();
+    void sendCallErrors();
+
+private:
+    QProcess proc;
+};
+
+struct UnregisteredType { };
+Q_DECLARE_METATYPE(UnregisteredType)
+
+class WaitForQPong: public QObject
+{
+    Q_OBJECT
+public:
+    WaitForQPong();
+    bool ok();
+public Q_SLOTS:
+    void ownerChange(const QString &name)
+    {
+        if (name == serviceName)
+            loop.quit();
+    }
+
+private:
+    QEventLoop loop;
+};
+
+WaitForQPong::WaitForQPong()
+{
+    QDBusConnection con = QDBusConnection::sessionBus();
+    if (!ok()) {
+        connect(con.interface(), SIGNAL(serviceOwnerChanged(QString,QString,QString)),
+                SLOT(ownerChange(QString)));
+        QTimer::singleShot(2000, &loop, SLOT(quit()));
+        loop.exec();
+    }
+}
+
+bool WaitForQPong::ok()
+{
+    return QDBusConnection::sessionBus().isConnected() &&
+        QDBusConnection::sessionBus().interface()->isServiceRegistered(serviceName);
+}
+
+void tst_QDBusMarshall::initTestCase()
+{
+    commonInit();
+#ifdef Q_OS_WIN
+    proc.start("qpong");
+#else
+    proc.start("./qpong/qpong");
+#endif
+    QVERIFY(proc.waitForStarted());
+
+    WaitForQPong w;
+    QVERIFY(w.ok());
+    //QTest::qWait(2000);
+}
+
+void tst_QDBusMarshall::cleanupTestCase()
+{
+    proc.close();
+    proc.kill();
+}
+
+void tst_QDBusMarshall::sendBasic_data()
+{
+    QTest::addColumn<QVariant>("value");
+    QTest::addColumn<QString>("sig");
+    QTest::addColumn<QString>("stringResult");
+
+    // basic types:
+    QTest::newRow("bool") << QVariant(false) << "b" << "false";
+#if 1
+    QTest::newRow("bool2") << QVariant(true) << "b" << "true";
+    QTest::newRow("byte") << qVariantFromValue(uchar(1)) << "y" << "1";
+    QTest::newRow("int16") << qVariantFromValue(short(2)) << "n" << "2";
+    QTest::newRow("uint16") << qVariantFromValue(ushort(3)) << "q" << "3";
+    QTest::newRow("int") << QVariant(1) << "i" << "1";
+    QTest::newRow("uint") << QVariant(2U) << "u" << "2";
+    QTest::newRow("int64") << QVariant(Q_INT64_C(3)) << "x" << "3";
+    QTest::newRow("uint64") << QVariant(Q_UINT64_C(4)) << "t" << "4";
+    QTest::newRow("double") << QVariant(42.5) << "d" << "42.5";
+    QTest::newRow("string") << QVariant("ping") << "s" << "\"ping\"";
+    QTest::newRow("objectpath") << qVariantFromValue(QDBusObjectPath("/org/kde")) << "o" << "[ObjectPath: /org/kde]";
+    QTest::newRow("signature") << qVariantFromValue(QDBusSignature("g")) << "g" << "[Signature: g]";
+    QTest::newRow("emptystring") << QVariant("") << "s" << "\"\"";
+    QTest::newRow("nullstring") << QVariant(QString()) << "s" << "\"\"";
+#endif
+}
+
+void tst_QDBusMarshall::sendVariant_data()
+{
+    sendBasic_data();
+
+    QTest::newRow("variant") << qVariantFromValue(QDBusVariant(1)) << "v" << "[Variant(int): 1]";
+
+    QDBusVariant nested(1);
+    QTest::newRow("variant-variant") << qVariantFromValue(QDBusVariant(qVariantFromValue(nested))) << "v"
+                                     << "[Variant(QDBusVariant): [Variant(int): 1]]";
+}
+
+void tst_QDBusMarshall::sendArrays_data()
+{
+    QTest::addColumn<QVariant>("value");
+    QTest::addColumn<QString>("sig");
+    QTest::addColumn<QString>("stringResult");
+
+    // arrays
+    QStringList strings;
+    QTest::newRow("emptystringlist") << QVariant(strings) << "as" << "{}";
+    strings << "hello" << "world";
+    QTest::newRow("stringlist") << QVariant(strings) << "as" << "{\"hello\", \"world\"}";
+
+    strings.clear();
+    strings << "" << "" << "";
+    QTest::newRow("list-of-emptystrings") << QVariant(strings) << "as" << "{\"\", \"\", \"\"}";
+
+    strings.clear();
+    strings << QString() << QString() << QString() << QString();
+    QTest::newRow("list-of-nullstrings") << QVariant(strings) << "as" << "{\"\", \"\", \"\", \"\"}";
+
+    QByteArray bytearray;
+    QTest::newRow("nullbytearray") << QVariant(bytearray) << "ay" << "{}";
+    bytearray = "";             // empty, not null
+    QTest::newRow("emptybytearray") << QVariant(bytearray) << "ay" << "{}";
+    bytearray = "foo";
+    QTest::newRow("bytearray") << QVariant(bytearray) << "ay" << "{102, 111, 111}";
+
+    QList<bool> bools;
+    QTest::newRow("emptyboollist") << qVariantFromValue(bools) << "ab" << "[Argument: ab {}]";
+    bools << false << true << false;
+    QTest::newRow("boollist") << qVariantFromValue(bools) << "ab" << "[Argument: ab {false, true, false}]";
+
+    QList<short> shorts;
+    QTest::newRow("emptyshortlist") << qVariantFromValue(shorts) << "an" << "[Argument: an {}]";
+    shorts << 42 << -43 << 44 << 45 << -32768 << 32767;
+    QTest::newRow("shortlist") << qVariantFromValue(shorts) << "an"
+                               << "[Argument: an {42, -43, 44, 45, -32768, 32767}]";
+
+    QList<ushort> ushorts;
+    QTest::newRow("emptyushortlist") << qVariantFromValue(ushorts) << "aq" << "[Argument: aq {}]";
+    ushorts << 12u << 13u << 14u << 15 << 65535;
+    QTest::newRow("ushortlist") << qVariantFromValue(ushorts) << "aq" << "[Argument: aq {12, 13, 14, 15, 65535}]";
+
+    QList<int> ints;
+    QTest::newRow("emptyintlist") << qVariantFromValue(ints) << "ai" << "[Argument: ai {}]";
+    ints << 42 << -43 << 44 << 45 << 2147483647 << -2147483647-1;
+    QTest::newRow("intlist") << qVariantFromValue(ints) << "ai" << "[Argument: ai {42, -43, 44, 45, 2147483647, -2147483648}]";
+
+    QList<uint> uints;
+    QTest::newRow("emptyuintlist") << qVariantFromValue(uints) << "au" << "[Argument: au {}]";
+    uints << uint(12) << uint(13) << uint(14) << 4294967295U;
+    QTest::newRow("uintlist") << qVariantFromValue(uints) << "au" << "[Argument: au {12, 13, 14, 4294967295}]";
+
+    QList<qlonglong> llints;
+    QTest::newRow("emptyllintlist") << qVariantFromValue(llints) << "ax" << "[Argument: ax {}]";
+    llints << Q_INT64_C(99) << Q_INT64_C(-100)
+           << Q_INT64_C(-9223372036854775807)-1 << Q_INT64_C(9223372036854775807);
+    QTest::newRow("llintlist") << qVariantFromValue(llints) << "ax"
+                               << "[Argument: ax {99, -100, -9223372036854775808, 9223372036854775807}]";
+
+    QList<qulonglong> ullints;
+    QTest::newRow("emptyullintlist") << qVariantFromValue(ullints) << "at" << "[Argument: at {}]";
+    ullints << Q_UINT64_C(66) << Q_UINT64_C(67)
+            << Q_UINT64_C(18446744073709551615);
+    QTest::newRow("ullintlist") << qVariantFromValue(ullints) << "at" << "[Argument: at {66, 67, 18446744073709551615}]";
+
+    QList<double> doubles;
+    QTest::newRow("emptydoublelist") << qVariantFromValue(doubles) << "ad" << "[Argument: ad {}]";
+    doubles << 1.2 << 2.2 << 4.4
+            << -std::numeric_limits<double>::infinity()
+            << std::numeric_limits<double>::infinity()
+            << std::numeric_limits<double>::quiet_NaN();
+    QTest::newRow("doublelist") << qVariantFromValue(doubles) << "ad" << "[Argument: ad {1.2, 2.2, 4.4, -inf, inf, nan}]";
+
+    QVariantList variants;
+    QTest::newRow("emptyvariantlist") << QVariant(variants) << "av" << "[Argument: av {}]";
+    variants << QString("Hello") << QByteArray("World") << 42 << -43.0 << 44U << Q_INT64_C(-45)
+             << Q_UINT64_C(46) << true << qVariantFromValue(short(-47))
+             << qVariantFromValue(QDBusSignature("av"))
+             << qVariantFromValue(QDBusVariant(qVariantFromValue(QDBusObjectPath("/"))));
+    QTest::newRow("variantlist") << QVariant(variants) << "av"
+        << "[Argument: av {[Variant(QString): \"Hello\"], [Variant(QByteArray): {87, 111, 114, 108, 100}], [Variant(int): 42], [Variant(double): -43], [Variant(uint): 44], [Variant(qlonglong): -45], [Variant(qulonglong): 46], [Variant(bool): true], [Variant(short): -47], [Variant: [Signature: av]], [Variant: [Variant: [ObjectPath: /]]]}]";
+}
+
+void tst_QDBusMarshall::sendArrayOfArrays_data()
+{
+    QTest::addColumn<QVariant>("value");
+    QTest::addColumn<QString>("sig");
+    QTest::addColumn<QString>("stringResult");
+
+    // arrays:
+    QList<QStringList> strings;
+    QTest::newRow("empty-list-of-stringlist") << qVariantFromValue(strings) << "aas"
+            << "[Argument: aas {}]";
+    strings << QStringList();
+    QTest::newRow("list-of-emptystringlist") << qVariantFromValue(strings) << "aas"
+            << "[Argument: aas {{}}]";
+    strings << (QStringList() << "hello" << "world")
+            << (QStringList() << "hi" << "there")
+            << (QStringList() << QString());
+    QTest::newRow("stringlist") << qVariantFromValue(strings) << "aas"
+            << "[Argument: aas {{}, {\"hello\", \"world\"}, {\"hi\", \"there\"}, {\"\"}}]";
+
+    QList<QByteArray> bytearray;
+    QTest::newRow("empty-list-of-bytearray") << qVariantFromValue(bytearray) << "aay"
+            << "[Argument: aay {}]";
+    bytearray << QByteArray();
+    QTest::newRow("list-of-emptybytearray") << qVariantFromValue(bytearray) << "aay"
+            << "[Argument: aay {{}}]";
+    bytearray << "foo" << "bar" << "baz" << "" << QByteArray();
+    QTest::newRow("bytearray") << qVariantFromValue(bytearray) << "aay"
+            << "[Argument: aay {{}, {102, 111, 111}, {98, 97, 114}, {98, 97, 122}, {}, {}}]";
+
+    QList<QList<bool> > bools;
+    QTest::newRow("empty-list-of-boollist") << qVariantFromValue(bools) << "aab"
+            << "[Argument: aab {}]";
+    bools << QList<bool>();
+    QTest::newRow("list-of-emptyboollist") << qVariantFromValue(bools) << "aab"
+            << "[Argument: aab {[Argument: ab {}]}]";
+    bools << (QList<bool>() << false << true) << (QList<bool>() << false) << (QList<bool>());
+    QTest::newRow("boollist") << qVariantFromValue(bools) << "aab"
+            << "[Argument: aab {[Argument: ab {}], [Argument: ab {false, true}], [Argument: ab {false}], [Argument: ab {}]}]";
+    QList<QList<short> > shorts;
+    QTest::newRow("empty-list-of-shortlist") << qVariantFromValue(shorts) << "aan"
+            << "[Argument: aan {}]";
+    shorts << QList<short>();
+    QTest::newRow("list-of-emptyshortlist") << qVariantFromValue(shorts) << "aan"
+            << "[Argument: aan {[Argument: an {}]}]";
+    shorts << (QList<short>() << 42 << -43 << 44 << 45)
+           << (QList<short>() << -32768 << 32767)
+           << (QList<short>());
+    QTest::newRow("shortlist") << qVariantFromValue(shorts) << "aan"
+            << "[Argument: aan {[Argument: an {}], [Argument: an {42, -43, 44, 45}], [Argument: an {-32768, 32767}], [Argument: an {}]}]";
+
+    QList<QList<ushort> > ushorts;
+    QTest::newRow("empty-list-of-ushortlist") << qVariantFromValue(ushorts) << "aaq"
+            << "[Argument: aaq {}]";
+    ushorts << QList<ushort>();
+    QTest::newRow("list-of-emptyushortlist") << qVariantFromValue(ushorts) << "aaq"
+            << "[Argument: aaq {[Argument: aq {}]}]";
+    ushorts << (QList<ushort>() << 12u << 13u << 14u << 15)
+            << (QList<ushort>() << 65535)
+            << (QList<ushort>());
+    QTest::newRow("ushortlist") << qVariantFromValue(ushorts) << "aaq"
+            << "[Argument: aaq {[Argument: aq {}], [Argument: aq {12, 13, 14, 15}], [Argument: aq {65535}], [Argument: aq {}]}]";
+
+    QList<QList<int> > ints;
+    QTest::newRow("empty-list-of-intlist") << qVariantFromValue(ints) << "aai"
+            << "[Argument: aai {}]";
+    ints << QList<int>();
+    QTest::newRow("list-of-emptyintlist") << qVariantFromValue(ints) << "aai"
+            << "[Argument: aai {[Argument: ai {}]}]";
+    ints << (QList<int>() << 42 << -43 << 44 << 45)
+         << (QList<int>() << 2147483647 << -2147483647-1)
+         << (QList<int>());
+    QTest::newRow("intlist") << qVariantFromValue(ints) << "aai"
+            << "[Argument: aai {[Argument: ai {}], [Argument: ai {42, -43, 44, 45}], [Argument: ai {2147483647, -2147483648}], [Argument: ai {}]}]";
+
+    QList<QList<uint> > uints;
+    QTest::newRow("empty-list-of-uintlist") << qVariantFromValue(uints) << "aau"
+            << "[Argument: aau {}]";
+    uints << QList<uint>();
+    QTest::newRow("list-of-emptyuintlist") << qVariantFromValue(uints) << "aau"
+            << "[Argument: aau {[Argument: au {}]}]";
+    uints << (QList<uint>() << uint(12) << uint(13) << uint(14))
+          << (QList<uint>() << 4294967295U)
+          << (QList<uint>());
+    QTest::newRow("uintlist") << qVariantFromValue(uints) << "aau"
+            << "[Argument: aau {[Argument: au {}], [Argument: au {12, 13, 14}], [Argument: au {4294967295}], [Argument: au {}]}]";
+
+    QList<QList<qlonglong> > llints;
+    QTest::newRow("empty-list-of-llintlist") << qVariantFromValue(llints) << "aax"
+            << "[Argument: aax {}]";
+    llints << QList<qlonglong>();
+    QTest::newRow("list-of-emptyllintlist") << qVariantFromValue(llints) << "aax"
+            << "[Argument: aax {[Argument: ax {}]}]";
+    llints << (QList<qlonglong>() << Q_INT64_C(99) << Q_INT64_C(-100))
+           << (QList<qlonglong>() << Q_INT64_C(-9223372036854775807)-1 << Q_INT64_C(9223372036854775807))
+           << (QList<qlonglong>());
+    QTest::newRow("llintlist") << qVariantFromValue(llints) << "aax"
+            << "[Argument: aax {[Argument: ax {}], [Argument: ax {99, -100}], [Argument: ax {-9223372036854775808, 9223372036854775807}], [Argument: ax {}]}]";
+
+    QList<QList<qulonglong> > ullints;
+    QTest::newRow("empty-list-of-ullintlist") << qVariantFromValue(ullints) << "aat"
+            << "[Argument: aat {}]";
+    ullints << QList<qulonglong>();
+    QTest::newRow("list-of-emptyullintlist") << qVariantFromValue(ullints) << "aat"
+            << "[Argument: aat {[Argument: at {}]}]";
+    ullints << (QList<qulonglong>() << Q_UINT64_C(66) << Q_UINT64_C(67))
+            << (QList<qulonglong>() << Q_UINT64_C(18446744073709551615))
+            << (QList<qulonglong>());
+    QTest::newRow("ullintlist") << qVariantFromValue(ullints) << "aat"
+            << "[Argument: aat {[Argument: at {}], [Argument: at {66, 67}], [Argument: at {18446744073709551615}], [Argument: at {}]}]";
+
+    QList<QList<double> > doubles;
+    QTest::newRow("empty-list-ofdoublelist") << qVariantFromValue(doubles) << "aad"
+            << "[Argument: aad {}]";
+    doubles << QList<double>();
+    QTest::newRow("list-of-emptydoublelist") << qVariantFromValue(doubles) << "aad"
+            << "[Argument: aad {[Argument: ad {}]}]";
+    doubles << (QList<double>() << 1.2 << 2.2 << 4.4)
+            << (QList<double>() << -std::numeric_limits<double>::infinity()
+                << std::numeric_limits<double>::infinity()
+                << std::numeric_limits<double>::quiet_NaN())
+            << (QList<double>());
+    QTest::newRow("doublelist") << qVariantFromValue(doubles) << "aad"
+            << "[Argument: aad {[Argument: ad {}], [Argument: ad {1.2, 2.2, 4.4}], [Argument: ad {-inf, inf, nan}], [Argument: ad {}]}]";
+
+    QList<QVariantList> variants;
+    QTest::newRow("emptyvariantlist") << qVariantFromValue(variants) << "aav"
+            << "[Argument: aav {}]";
+    variants << QVariantList();
+    QTest::newRow("emptyvariantlist") << qVariantFromValue(variants) << "aav"
+            << "[Argument: aav {[Argument: av {}]}]";
+    variants << (QVariantList() << QString("Hello") << QByteArray("World"))
+             << (QVariantList() << 42 << -43.0 << 44U << Q_INT64_C(-45))
+             << (QVariantList() << Q_UINT64_C(46) << true << qVariantFromValue(short(-47)));
+    QTest::newRow("variantlist") << qVariantFromValue(variants) << "aav"
+            << "[Argument: aav {[Argument: av {}], [Argument: av {[Variant(QString): \"Hello\"], [Variant(QByteArray): {87, 111, 114, 108, 100}]}], [Argument: av {[Variant(int): 42], [Variant(double): -43], [Variant(uint): 44], [Variant(qlonglong): -45]}], [Argument: av {[Variant(qulonglong): 46], [Variant(bool): true], [Variant(short): -47]}]}]";
+}
+
+void tst_QDBusMarshall::sendMaps_data()
+{
+    QTest::addColumn<QVariant>("value");
+    QTest::addColumn<QString>("sig");
+    QTest::addColumn<QString>("stringResult");
+
+    QMap<int, QString> ismap;
+    QTest::newRow("empty-is-map") << qVariantFromValue(ismap) << "a{is}"
+            << "[Argument: a{is} {}]";
+    ismap[1] = "a";
+    ismap[2000] = "b";
+    ismap[-47] = "c";
+    QTest::newRow("is-map") << qVariantFromValue(ismap) << "a{is}"
+            << "[Argument: a{is} {-47 = \"c\", 1 = \"a\", 2000 = \"b\"}]";
+
+    QMap<QString, QString> ssmap;
+    QTest::newRow("empty-ss-map") << qVariantFromValue(ssmap) << "a{ss}"
+            << "[Argument: a{ss} {}]";
+    ssmap["a"] = "a";
+    ssmap["c"] = "b";
+    ssmap["b"] = "c";
+    QTest::newRow("ss-map") << qVariantFromValue(ssmap) << "a{ss}"
+            << "[Argument: a{ss} {\"a\" = \"a\", \"b\" = \"c\", \"c\" = \"b\"}]";
+
+    QVariantMap svmap;
+    QTest::newRow("empty-sv-map") << qVariantFromValue(svmap) << "a{sv}"
+            << "[Argument: a{sv} {}]";
+    svmap["a"] = 1;
+    svmap["c"] = "b";
+    svmap["b"] = QByteArray("c");
+    svmap["d"] = 42U;
+    svmap["e"] = qVariantFromValue(short(-47));
+    svmap["f"] = qVariantFromValue(QDBusVariant(0));
+    QTest::newRow("sv-map1") << qVariantFromValue(svmap) << "a{sv}"
+            << "[Argument: a{sv} {\"a\" = [Variant(int): 1], \"b\" = [Variant(QByteArray): {99}], \"c\" = [Variant(QString): \"b\"], \"d\" = [Variant(uint): 42], \"e\" = [Variant(short): -47], \"f\" = [Variant: [Variant(int): 0]]}]";
+
+    QMap<QDBusObjectPath, QString> osmap;
+    QTest::newRow("empty-os-map") << qVariantFromValue(osmap) << "a{os}"
+            << "[Argument: a{os} {}]";
+    osmap[QDBusObjectPath("/")] = "root";
+    osmap[QDBusObjectPath("/foo")] = "foo";
+    osmap[QDBusObjectPath("/bar/baz")] = "bar and baz";
+    QTest::newRow("os-map") << qVariantFromValue(osmap) << "a{os}"
+            << "[Argument: a{os} {[ObjectPath: /] = \"root\", [ObjectPath: /bar/baz] = \"bar and baz\", [ObjectPath: /foo] = \"foo\"}]";
+
+    QHash<QDBusSignature, QString> gsmap;
+    QTest::newRow("empty-gs-map") << qVariantFromValue(gsmap) << "a{gs}"
+            << "[Argument: a{gs} {}]";
+    gsmap[QDBusSignature("i")] = "int32";
+    gsmap[QDBusSignature("s")] = "string";
+    gsmap[QDBusSignature("a{gs}")] = "array of dict_entry of (signature, string)";
+    QTest::newRow("gs-map") << qVariantFromValue(gsmap) << "a{gs}"
+            << "[Argument: a{gs} {[Signature: a{gs}] = \"array of dict_entry of (signature, string)\", [Signature: i] = \"int32\", [Signature: s] = \"string\"}]";
+
+    svmap.clear();
+    svmap["ismap"] = qVariantFromValue(ismap);
+    svmap["ssmap"] = qVariantFromValue(ssmap);
+    svmap["osmap"] = qVariantFromValue(osmap);
+    svmap["gsmap"] = qVariantFromValue(gsmap);
+    QTest::newRow("sv-map2") << qVariantFromValue(svmap) << "a{sv}"
+            << "[Argument: a{sv} {\"gsmap\" = [Variant: [Argument: a{gs} {[Signature: a{gs}] = \"array of dict_entry of (signature, string)\", [Signature: i] = \"int32\", [Signature: s] = \"string\"}]], \"ismap\" = [Variant: [Argument: a{is} {-47 = \"c\", 1 = \"a\", 2000 = \"b\"}]], \"osmap\" = [Variant: [Argument: a{os} {[ObjectPath: /] = \"root\", [ObjectPath: /bar/baz] = \"bar and baz\", [ObjectPath: /foo] = \"foo\"}]], \"ssmap\" = [Variant: [Argument: a{ss} {\"a\" = \"a\", \"b\" = \"c\", \"c\" = \"b\"}]]}]";
+}
+
+void tst_QDBusMarshall::sendStructs_data()
+{
+    QTest::addColumn<QVariant>("value");
+    QTest::addColumn<QString>("sig");
+    QTest::addColumn<QString>("stringResult");
+
+    QTest::newRow("point") << QVariant(QPoint(1, 2)) << "(ii)" << "[Argument: (ii) 1, 2]";
+    QTest::newRow("pointf") << QVariant(QPointF(1.5, -1.5)) << "(dd)" << "[Argument: (dd) 1.5, -1.5]";
+
+    QTest::newRow("size") << QVariant(QSize(1, 2)) << "(ii)" << "[Argument: (ii) 1, 2]";
+    QTest::newRow("sizef") << QVariant(QSizeF(1.5, 1.5)) << "(dd)" << "[Argument: (dd) 1.5, 1.5]";
+
+    QTest::newRow("rect") << QVariant(QRect(1, 2, 3, 4)) << "(iiii)" << "[Argument: (iiii) 1, 2, 3, 4]";
+    QTest::newRow("rectf") << QVariant(QRectF(0.5, 0.5, 1.5, 1.5)) << "(dddd)" << "[Argument: (dddd) 0.5, 0.5, 1.5, 1.5]";
+
+    QTest::newRow("line") << QVariant(QLine(1, 2, 3, 4)) << "((ii)(ii))"
+                          << "[Argument: ((ii)(ii)) [Argument: (ii) 1, 2], [Argument: (ii) 3, 4]]";
+    QTest::newRow("linef") << QVariant(QLineF(0.5, 0.5, 1.5, 1.5)) << "((dd)(dd))"
+                           << "[Argument: ((dd)(dd)) [Argument: (dd) 0.5, 0.5], [Argument: (dd) 1.5, 1.5]]";
+
+    QDate date(2006, 6, 18);
+    QTime time(12, 25, 00);     // the date I wrote this test on :-)
+    QTest::newRow("date") << QVariant(date) << "(iii)" << "[Argument: (iii) 2006, 6, 18]";
+    QTest::newRow("time") << QVariant(time) << "(iiii)" << "[Argument: (iiii) 12, 25, 0, 0]";
+    QTest::newRow("datetime") << QVariant(QDateTime(date, time)) << "((iii)(iiii)i)"
+        << "[Argument: ((iii)(iiii)i) [Argument: (iii) 2006, 6, 18], [Argument: (iiii) 12, 25, 0, 0], 0]";
+
+    MyStruct ms = { 1, "Hello, World" };
+    QTest::newRow("int-string") << qVariantFromValue(ms) << "(is)" << "[Argument: (is) 1, \"Hello, World\"]";
+
+    MyVariantMapStruct mvms = { "Hello, World", QVariantMap() };
+    QTest::newRow("string-variantmap") << qVariantFromValue(mvms) << "(sa{sv})" << "[Argument: (sa{sv}) \"Hello, World\", [Argument: a{sv} {}]]";
+
+    // use only basic types, otherwise comparison will fail
+    mvms.map["int"] = 42;
+    mvms.map["uint"] = 42u;
+    mvms.map["short"] = qVariantFromValue<short>(-47);
+    mvms.map["bytearray"] = QByteArray("Hello, world");
+    QTest::newRow("string-variantmap2") << qVariantFromValue(mvms) << "(sa{sv})" << "[Argument: (sa{sv}) \"Hello, World\", [Argument: a{sv} {\"bytearray\" = [Variant(QByteArray): {72, 101, 108, 108, 111, 44, 32, 119, 111, 114, 108, 100}], \"int\" = [Variant(int): 42], \"short\" = [Variant(short): -47], \"uint\" = [Variant(uint): 42]}]]";
+
+    QList<MyVariantMapStruct> list;
+    QTest::newRow("empty-list-of-string-variantmap") << qVariantFromValue(list) << "a(sa{sv})" << "[Argument: a(sa{sv}) {}]";
+    list << mvms;
+    QTest::newRow("list-of-string-variantmap") << qVariantFromValue(list) << "a(sa{sv})" << "[Argument: a(sa{sv}) {[Argument: (sa{sv}) \"Hello, World\", [Argument: a{sv} {\"bytearray\" = [Variant(QByteArray): {72, 101, 108, 108, 111, 44, 32, 119, 111, 114, 108, 100}], \"int\" = [Variant(int): 42], \"short\" = [Variant(short): -47], \"uint\" = [Variant(uint): 42]}]]}]";
+}
+
+void tst_QDBusMarshall::sendComplex_data()
+{
+    QTest::addColumn<QVariant>("value");
+    QTest::addColumn<QString>("sig");
+    QTest::addColumn<QString>("stringResult");
+
+    QList<QDateTime> dtlist;
+    QTest::newRow("empty-datetimelist") << qVariantFromValue(dtlist) << "a((iii)(iiii)i)"
+            << "[Argument: a((iii)(iiii)i) {}]";
+    dtlist << QDateTime();
+    QTest::newRow("list-of-emptydatetime") << qVariantFromValue(dtlist) << "a((iii)(iiii)i)"
+            << "[Argument: a((iii)(iiii)i) {[Argument: ((iii)(iiii)i) [Argument: (iii) 0, 0, 0], [Argument: (iiii) -1, -1, -1, -1], 0]}]";
+    dtlist << QDateTime(QDate(1977, 9, 13), QTime(0, 0, 0))
+           << QDateTime(QDate(2006, 6, 18), QTime(13, 14, 0));
+    QTest::newRow("datetimelist") << qVariantFromValue(dtlist) << "a((iii)(iiii)i)"
+            << "[Argument: a((iii)(iiii)i) {[Argument: ((iii)(iiii)i) [Argument: (iii) 0, 0, 0], [Argument: (iiii) -1, -1, -1, -1], 0], [Argument: ((iii)(iiii)i) [Argument: (iii) 1977, 9, 13], [Argument: (iiii) 0, 0, 0, 0], 0], [Argument: ((iii)(iiii)i) [Argument: (iii) 2006, 6, 18], [Argument: (iiii) 13, 14, 0, 0], 0]}]";
+
+    QHash<qlonglong, QDateTime> lldtmap;
+    QTest::newRow("empty-lldtmap") << qVariantFromValue(lldtmap) << "a{x((iii)(iiii)i)}"
+            << "[Argument: a{x((iii)(iiii)i)} {}]";
+    lldtmap[0] = QDateTime();
+    lldtmap[1] = QDateTime(QDate(1970, 1, 1), QTime(0, 0, 1), Qt::UTC);
+    lldtmap[1150629776] = QDateTime(QDate(2006, 6, 18), QTime(11, 22, 56), Qt::UTC);
+    QTest::newRow("lldtmap") << qVariantFromValue(lldtmap) << "a{x((iii)(iiii)i)}"
+            << "[Argument: a{x((iii)(iiii)i)} {0 = [Argument: ((iii)(iiii)i) [Argument: (iii) 0, 0, 0], [Argument: (iiii) -1, -1, -1, -1], 0], 1 = [Argument: ((iii)(iiii)i) [Argument: (iii) 1970, 1, 1], [Argument: (iiii) 0, 0, 1, 0], 1], 1150629776 = [Argument: ((iii)(iiii)i) [Argument: (iii) 2006, 6, 18], [Argument: (iiii) 11, 22, 56, 0], 1]}]";
+
+
+    QMap<int, QString> ismap;
+    ismap[1] = "a";
+    ismap[2000] = "b";
+    ismap[-47] = "c";
+
+    QMap<QString, QString> ssmap;
+    ssmap["a"] = "a";
+    ssmap["c"] = "b";
+    ssmap["b"] = "c";
+
+    QHash<QDBusSignature, QString> gsmap;
+    gsmap[QDBusSignature("i")] = "int32";
+    gsmap[QDBusSignature("s")] = "string";
+    gsmap[QDBusSignature("a{gs}")] = "array of dict_entry of (signature, string)";
+
+    QVariantMap svmap;
+    svmap["a"] = 1;
+    svmap["c"] = "b";
+    svmap["b"] = QByteArray("c");
+    svmap["d"] = 42U;
+    svmap["e"] = qVariantFromValue(short(-47));
+    svmap["f"] = qVariantFromValue(QDBusVariant(0));
+    svmap["date"] = QDate(1977, 1, 1);
+    svmap["time"] = QTime(8, 58, 0);
+    svmap["datetime"] = QDateTime(QDate(13, 9, 2008), QTime(8, 59, 31));
+    svmap["pointf"] = QPointF(0.5, -0.5);
+    svmap["ismap"] = qVariantFromValue(ismap);
+    svmap["ssmap"] = qVariantFromValue(ssmap);
+    svmap["gsmap"] = qVariantFromValue(gsmap);
+    svmap["dtlist"] = qVariantFromValue(dtlist);
+    svmap["lldtmap"] = qVariantFromValue(lldtmap);
+    QTest::newRow("sv-map") << qVariantFromValue(svmap) << "a{sv}"
+            << "[Argument: a{sv} {\"a\" = [Variant(int): 1], \"b\" = [Variant(QByteArray): {99}], \"c\" = [Variant(QString): \"b\"], \"d\" = [Variant(uint): 42], \"date\" = [Variant: [Argument: (iii) 1977, 1, 1]], \"datetime\" = [Variant: [Argument: ((iii)(iiii)i) [Argument: (iii) 0, 0, 0], [Argument: (iiii) 8, 59, 31, 0], 0]], \"dtlist\" = [Variant: [Argument: a((iii)(iiii)i) {[Argument: ((iii)(iiii)i) [Argument: (iii) 0, 0, 0], [Argument: (iiii) -1, -1, -1, -1], 0], [Argument: ((iii)(iiii)i) [Argument: (iii) 1977, 9, 13], [Argument: (iiii) 0, 0, 0, 0], 0], [Argument: ((iii)(iiii)i) [Argument: (iii) 2006, 6, 18], [Argument: (iiii) 13, 14, 0, 0], 0]}]], \"e\" = [Variant(short): -47], \"f\" = [Variant: [Variant(int): 0]], \"gsmap\" = [Variant: [Argument: a{gs} {[Signature: a{gs}] = \"array of dict_entry of (signature, string)\", [Signature: i] = \"int32\", [Signature: s] = \"string\"}]], \"ismap\" = [Variant: [Argument: a{is} {-47 = \"c\", 1 = \"a\", 2000 = \"b\"}]], \"lldtmap\" = [Variant: [Argument: a{x((iii)(iiii)i)} {0 = [Argument: ((iii)(iiii)i) [Argument: (iii) 0, 0, 0], [Argument: (iiii) -1, -1, -1, -1], 0], 1 = [Argument: ((iii)(iiii)i) [Argument: (iii) 1970, 1, 1], [Argument: (iiii) 0, 0, 1, 0], 1], 1150629776 = [Argument: ((iii)(iiii)i) [Argument: (iii) 2006, 6, 18], [Argument: (iiii) 11, 22, 56, 0], 1]}]], \"pointf\" = [Variant: [Argument: (dd) 0.5, -0.5]], \"ssmap\" = [Variant: [Argument: a{ss} {\"a\" = \"a\", \"b\" = \"c\", \"c\" = \"b\"}]], \"time\" = [Variant: [Argument: (iiii) 8, 58, 0, 0]]}]";
+}
+
+void tst_QDBusMarshall::sendArgument_data()
+{
+    QTest::addColumn<QVariant>("value");
+    QTest::addColumn<QString>("sig");
+    QTest::addColumn<int>("classification");
+
+    QDBusArgument();
+    QDBusArgument arg;
+
+    arg = QDBusArgument();
+    arg << true;
+    QTest::newRow("bool") << qVariantFromValue(arg) << "b" << int(QDBusArgument::BasicType);;
+
+    arg = QDBusArgument();
+    arg << false;
+    QTest::newRow("bool2") << qVariantFromValue(arg) << "b" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << uchar(1);
+    QTest::newRow("byte") << qVariantFromValue(arg) << "y" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << short(2);
+    QTest::newRow("int16") << qVariantFromValue(arg) << "n" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << ushort(3);
+    QTest::newRow("uint16") << qVariantFromValue(arg) << "q" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << 1;
+    QTest::newRow("int32") << qVariantFromValue(arg) << "i" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << 2U;
+    QTest::newRow("uint32") << qVariantFromValue(arg) << "u" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << Q_INT64_C(3);
+    QTest::newRow("int64") << qVariantFromValue(arg) << "x" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << Q_UINT64_C(4);
+    QTest::newRow("uint64") << qVariantFromValue(arg) << "t" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << 42.5;
+    QTest::newRow("double") << qVariantFromValue(arg) << "d" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << QLatin1String("ping");
+    QTest::newRow("string") << qVariantFromValue(arg) << "s" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << QDBusObjectPath("/org/kde");
+    QTest::newRow("objectpath") << qVariantFromValue(arg) << "o" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << QDBusSignature("g");
+    QTest::newRow("signature") << qVariantFromValue(arg) << "g" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << QLatin1String("");
+    QTest::newRow("emptystring") << qVariantFromValue(arg) << "s" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << QString();
+    QTest::newRow("nullstring") << qVariantFromValue(arg) << "s" << int(QDBusArgument::BasicType);
+
+    arg = QDBusArgument();
+    arg << QDBusVariant(1);
+    QTest::newRow("variant") << qVariantFromValue(arg) << "v" << int(QDBusArgument::VariantType);
+
+    arg = QDBusArgument();
+    arg << QDBusVariant(qVariantFromValue(QDBusVariant(1)));
+    QTest::newRow("variant-variant") << qVariantFromValue(arg) << "v" << int(QDBusArgument::VariantType);
+
+    arg = QDBusArgument();
+    arg.beginArray(QVariant::Int);
+    arg << 1 << 2 << 3 << -4;
+    arg.endArray();
+    QTest::newRow("array-of-int") << qVariantFromValue(arg) << "ai" << int(QDBusArgument::ArrayType);
+
+    arg = QDBusArgument();
+    arg.beginMap(QVariant::Int, QVariant::UInt);
+    arg.beginMapEntry();
+    arg << 1 << 2U;
+    arg.endMapEntry();
+    arg.beginMapEntry();
+    arg << 3 << 4U;
+    arg.endMapEntry();
+    arg.endMap();
+    QTest::newRow("map") << qVariantFromValue(arg) << "a{iu}" << int(QDBusArgument::MapType);
+
+    arg = QDBusArgument();
+    arg.beginStructure();
+    arg << 1 << 2U << short(-3) << ushort(4) << 5.0 << false;
+    arg.endStructure();
+    QTest::newRow("structure") << qVariantFromValue(arg) << "(iunqdb)" << int(QDBusArgument::StructureType);
+
+#if 0
+    // this is now unsupported
+    arg << 1 << 2U << short(-3) << ushort(4) << 5.0 << false;
+    QTest::newRow("many-args") << qVariantFromValue(arg) << "(iunqdb)iunqdb";
+#endif
+}
+
+void tst_QDBusMarshall::sendBasic()
+{
+    QFETCH(QVariant, value);
+    QFETCH(QString, stringResult);
+
+    QDBusConnection con = QDBusConnection::sessionBus();
+
+    QVERIFY(con.isConnected());
+
+    QDBusMessage msg = QDBusMessage::createMethodCall(serviceName,
+                                                      objectPath, interfaceName, "ping");
+    msg << value;
+
+    QDBusMessage reply = con.call(msg);
+    //qDebug() << reply;
+
+    QCOMPARE(reply.arguments().count(), msg.arguments().count());
+    QTEST(reply.signature(), "sig");
+    for (int i = 0; i < reply.arguments().count(); ++i) {
+        QVERIFY(compare(reply.arguments().at(i), msg.arguments().at(i)));
+        //printf("\n! %s\n* %s\n", qPrintable(qDBusArgumentToString(reply.arguments().at(i))), qPrintable(stringResult));
+        QCOMPARE(QDBusUtil::argumentToString(reply.arguments().at(i)), stringResult);
+    }
+}
+
+void tst_QDBusMarshall::sendVariant()
+{
+    QFETCH(QVariant, value);
+
+    QDBusConnection con = QDBusConnection::sessionBus();
+
+    QVERIFY(con.isConnected());
+
+    QDBusMessage msg = QDBusMessage::createMethodCall(serviceName,
+                                                      objectPath, interfaceName, "ping");
+    msg << qVariantFromValue(QDBusVariant(value));
+
+    QDBusMessage reply = con.call(msg);
+ //   qDebug() << reply;
+
+    QCOMPARE(reply.arguments().count(), msg.arguments().count());
+    QCOMPARE(reply.signature(), QString("v"));
+    for (int i = 0; i < reply.arguments().count(); ++i)
+        QVERIFY(compare(reply.arguments().at(i), msg.arguments().at(i)));
+}
+
+void tst_QDBusMarshall::sendArrays()
+{
+    sendBasic();
+}
+
+void tst_QDBusMarshall::sendArrayOfArrays()
+{
+    sendBasic();
+}
+
+void tst_QDBusMarshall::sendMaps()
+{
+    sendBasic();
+}
+
+void tst_QDBusMarshall::sendStructs()
+{
+    sendBasic();
+}
+
+void tst_QDBusMarshall::sendComplex()
+{
+    sendBasic();
+}
+
+void tst_QDBusMarshall::sendArgument()
+{
+    QFETCH(QVariant, value);
+    QFETCH(QString, sig);
+
+    QDBusConnection con = QDBusConnection::sessionBus();
+
+    QVERIFY(con.isConnected());
+
+    QDBusMessage msg = QDBusMessage::createMethodCall(serviceName, objectPath,
+                                                      interfaceName, "ping");
+    msg << value;
+
+    QDBusMessage reply = con.call(msg);
+
+//    QCOMPARE(reply.arguments().count(), msg.arguments().count());
+    QCOMPARE(reply.signature(), sig);
+//    for (int i = 0; i < reply.arguments().count(); ++i)
+//        QVERIFY(compare(reply.arguments().at(i), msg.arguments().at(i)));
+
+    // do it again inside a STRUCT now
+    QDBusArgument sendArg;
+    sendArg.beginStructure();
+    sendArg.appendVariant(value);
+    sendArg.endStructure();
+    msg.setArguments(QVariantList() << qVariantFromValue(sendArg));
+    reply = con.call(msg);
+
+    QCOMPARE(reply.signature(), QString("(%1)").arg(sig));
+    QCOMPARE(reply.arguments().at(0).userType(), qMetaTypeId<QDBusArgument>());
+
+    const QDBusArgument arg = qvariant_cast<QDBusArgument>(reply.arguments().at(0));
+    QCOMPARE(int(arg.currentType()), int(QDBusArgument::StructureType));
+
+    arg.beginStructure();
+    QVERIFY(!arg.atEnd());
+    QCOMPARE(arg.currentSignature(), sig);
+    QTEST(int(arg.currentType()), "classification");
+
+    QVariant extracted = arg.asVariant();
+    QVERIFY(arg.atEnd());
+
+    arg.endStructure();
+    QVERIFY(arg.atEnd());
+    QCOMPARE(arg.currentType(), QDBusArgument::UnknownType);
+
+    if (value.type() != QVariant::UserType)
+        QCOMPARE(extracted, value);
+}
+
+void tst_QDBusMarshall::sendSignalErrors()
+{
+    QDBusConnection con = QDBusConnection::sessionBus();
+
+    QVERIFY(con.isConnected());
+    QDBusMessage msg = QDBusMessage::createSignal("/foo", "local.interfaceName",
+                                                  "signalName");
+    msg << qVariantFromValue(QDBusObjectPath());
+
+    QTest::ignoreMessage(QtWarningMsg, "QDBusConnection: error: could not send signal path \"/foo\" interface \"local.interfaceName\" member \"signalName\": Marshalling failed: Invalid object path passed in arguments");
+    QVERIFY(!con.send(msg));
+
+    msg.setArguments(QVariantList());
+    QDBusObjectPath path;
+
+    QTest::ignoreMessage(QtWarningMsg, "QDBusObjectPath: invalid path \"abc\"");
+    path.setPath("abc");
+    msg << qVariantFromValue(path);
+
+    QTest::ignoreMessage(QtWarningMsg, "QDBusConnection: error: could not send signal path \"/foo\" interface \"local.interfaceName\" member \"signalName\": Marshalling failed: Invalid object path passed in arguments");
+    QVERIFY(!con.send(msg));
+
+    QDBusSignature sig;
+    msg.setArguments(QVariantList() << qVariantFromValue(sig));
+    QTest::ignoreMessage(QtWarningMsg, "QDBusConnection: error: could not send signal path \"/foo\" interface \"local.interfaceName\" member \"signalName\": Marshalling failed: Invalid signature passed in arguments");
+    QVERIFY(!con.send(msg));
+
+    QTest::ignoreMessage(QtWarningMsg, "QDBusSignature: invalid signature \"a\"");
+    sig.setSignature("a");
+    msg.setArguments(QVariantList());
+    msg << qVariantFromValue(sig);
+    QTest::ignoreMessage(QtWarningMsg, "QDBusConnection: error: could not send signal path \"/foo\" interface \"local.interfaceName\" member \"signalName\": Marshalling failed: Invalid signature passed in arguments");
+    QVERIFY(!con.send(msg));
+}
+
+void tst_QDBusMarshall::sendCallErrors_data()
+{
+    QTest::addColumn<QString>("service");
+    QTest::addColumn<QString>("path");
+    QTest::addColumn<QString>("interface");
+    QTest::addColumn<QString>("method");
+    QTest::addColumn<QVariantList>("arguments");
+    QTest::addColumn<QString>("errorName");
+    QTest::addColumn<QString>("errorMsg");
+    QTest::addColumn<QString>("ignoreMsg");
+
+    // this error comes from the bus server
+    QTest::newRow("empty-service") << "" << objectPath << interfaceName << "ping" << QVariantList()
+            << "org.freedesktop.DBus.Error.UnknownMethod"
+            << "Method \"ping\" with signature \"\" on interface \"com.trolltech.autotests.qpong\" doesn't exist\n" << (const char*)0;
+
+    QTest::newRow("invalid-service") << "this isn't valid" << objectPath << interfaceName << "ping" << QVariantList()
+            << "com.trolltech.QtDBus.Error.InvalidService"
+            << "Invalid service name: this isn't valid" << "";
+
+    QTest::newRow("empty-path") << serviceName << "" << interfaceName << "ping" << QVariantList()
+            << "com.trolltech.QtDBus.Error.InvalidObjectPath"
+            << "Object path cannot be empty" << "";
+    QTest::newRow("invalid-path") << serviceName << "//" << interfaceName << "ping" << QVariantList()
+            << "com.trolltech.QtDBus.Error.InvalidObjectPath"
+            << "Invalid object path: //" << "";
+
+    // empty interfaces are valid
+    QTest::newRow("invalid-interface") << serviceName << objectPath << "this isn't valid" << "ping" << QVariantList()
+            << "com.trolltech.QtDBus.Error.InvalidInterface"
+            << "Invalid interface class: this isn't valid" << "";
+
+    QTest::newRow("empty-method") << serviceName << objectPath << interfaceName << "" << QVariantList()
+            << "com.trolltech.QtDBus.Error.InvalidMember"
+            << "method name cannot be empty" << "";
+    QTest::newRow("invalid-method") << serviceName << objectPath << interfaceName << "this isn't valid" << QVariantList()
+            << "com.trolltech.QtDBus.Error.InvalidMember"
+            << "Invalid method name: this isn't valid" << "";
+
+    QTest::newRow("invalid-variant1") << serviceName << objectPath << interfaceName << "ping"
+            << (QVariantList() << QVariant())
+            << "org.freedesktop.DBus.Error.Failed"
+            << "Marshalling failed: Variant containing QVariant::Invalid passed in arguments"
+            << "QDBusMarshaller: cannot add an invalid QVariant";
+    QTest::newRow("invalid-variant1") << serviceName << objectPath << interfaceName << "ping"
+            << (QVariantList() << qVariantFromValue(QDBusVariant()))
+            << "org.freedesktop.DBus.Error.Failed"
+            << "Marshalling failed: Variant containing QVariant::Invalid passed in arguments"
+            << "QDBusMarshaller: cannot add a null QDBusVariant";
+
+    QTest::newRow("builtin-unregistered") << serviceName << objectPath << interfaceName << "ping"
+            << (QVariantList() << QLocale::c())
+            << "org.freedesktop.DBus.Error.Failed"
+            << "Marshalling failed: Unregistered type QLocale passed in arguments"
+            << "QDBusMarshaller: type `QLocale' (18) is not registered with D-BUS. Use qDBusRegisterMetaType to register it";
+
+    // this type is known to the meta type system, but not registered with D-Bus
+    qRegisterMetaType<UnregisteredType>();
+    QTest::newRow("extra-unregistered") << serviceName << objectPath << interfaceName << "ping"
+            << (QVariantList() << qVariantFromValue(UnregisteredType()))
+            << "org.freedesktop.DBus.Error.Failed"
+            << "Marshalling failed: Unregistered type UnregisteredType passed in arguments"
+            << QString("QDBusMarshaller: type `UnregisteredType' (%1) is not registered with D-BUS. Use qDBusRegisterMetaType to register it")
+            .arg(qMetaTypeId<UnregisteredType>());
+}
+
+void tst_QDBusMarshall::sendCallErrors()
+{
+    QDBusConnection con = QDBusConnection::sessionBus();
+    QVERIFY(con.isConnected());
+
+    QFETCH(QString, service);
+    QFETCH(QString, path);
+    QFETCH(QString, interface);
+    QFETCH(QString, method);
+    QFETCH(QVariantList, arguments);
+    QFETCH(QString, errorMsg);
+
+    QFETCH(QString, ignoreMsg);
+    if (!ignoreMsg.isEmpty())
+        QTest::ignoreMessage(QtWarningMsg, ignoreMsg.toLatin1());
+    if (!ignoreMsg.isNull())
+        QTest::ignoreMessage(QtWarningMsg,
+                             QString("QDBusConnection: error: could not send message to service \"%1\" path \"%2\" interface \"%3\" member \"%4\": %5")
+                             .arg(service, path, interface, method, errorMsg)
+                             .toLatin1());
+
+    QDBusMessage msg = QDBusMessage::createMethodCall(service, path, interface, method);
+    msg.setArguments(arguments);
+
+    QDBusMessage reply = con.call(msg, QDBus::Block);
+    QCOMPARE(reply.type(), QDBusMessage::ErrorMessage);
+    QTEST(reply.errorName(), "errorName");
+    QCOMPARE(reply.errorMessage(), errorMsg);
+}
+
+QTEST_MAIN(tst_QDBusMarshall)
+#include "tst_qdbusmarshall.moc"