diff --git a/tests/auto/dbus/qdbusabstractinterface/interface.h b/tests/auto/dbus/qdbusabstractinterface/interface.h
index 5db59b19eb..ecf732ce2d 100644
--- a/tests/auto/dbus/qdbusabstractinterface/interface.h
+++ b/tests/auto/dbus/qdbusabstractinterface/interface.h
@@ -43,6 +43,7 @@
 #define INTERFACE_H
 
 #include <QtCore/QObject>
+#include <QtCore/QHash>
 #include <QtDBus/QDBusArgument>
 
 struct RegisteredType
@@ -103,7 +104,7 @@ public slots:
     Q_SCRIPTABLE void voidMethod() {}
     Q_SCRIPTABLE int sleepMethod(int);
     Q_SCRIPTABLE QString stringMethod() { return "Hello, world"; }
-    Q_SCRIPTABLE RegisteredType complexMethod() { return RegisteredType("Hello, world"); }
+    Q_SCRIPTABLE RegisteredType complexMethod(const QVariantHash &vars) { return RegisteredType(vars.value("arg1").toString()); }
     Q_SCRIPTABLE QString multiOutMethod(int &value) { value = 42; return "Hello, world"; }
 
 signals:
diff --git a/tests/auto/dbus/qdbusabstractinterface/org.qtproject.QtDBus.Pinger.xml b/tests/auto/dbus/qdbusabstractinterface/org.qtproject.QtDBus.Pinger.xml
index 845e7be5b4..d5f5c6cebd 100644
--- a/tests/auto/dbus/qdbusabstractinterface/org.qtproject.QtDBus.Pinger.xml
+++ b/tests/auto/dbus/qdbusabstractinterface/org.qtproject.QtDBus.Pinger.xml
@@ -23,6 +23,8 @@
        <arg type="s" direction="out"/>
     </method>
     <method name="complexMethod">
+       <annotation name="org.qtproject.QtDBus.QtTypeName.In0" value="QHash&lt;QString,QVariant&gt;"/>
+       <arg type='a{sv}' name='platform_data' direction='in'/>
        <arg type="(s)" direction="out"/>
        <annotation name="org.qtproject.QtDBus.QtTypeName.Out0" value="RegisteredType"/>
     </method>
diff --git a/tests/auto/dbus/qdbusabstractinterface/tst_qdbusabstractinterface.cpp b/tests/auto/dbus/qdbusabstractinterface/tst_qdbusabstractinterface.cpp
index dc4ed89c1e..54aa563d99 100644
--- a/tests/auto/dbus/qdbusabstractinterface/tst_qdbusabstractinterface.cpp
+++ b/tests/auto/dbus/qdbusabstractinterface/tst_qdbusabstractinterface.cpp
@@ -304,14 +304,22 @@ void tst_QDBusAbstractInterface::makeStringCall()
     QCOMPARE(r.value(), targetObj.stringMethod());
 }
 
+static QHash<QString, QVariant> complexMethodArgs()
+{
+    QHash<QString, QVariant> args;
+    args.insert("arg1", "Hello world");
+    args.insert("arg2", 12345);
+    return args;
+}
+
 void tst_QDBusAbstractInterface::makeComplexCall()
 {
     Pinger p = getPinger();
     QVERIFY2(p, "Not connected to D-Bus");
 
-    QDBusReply<RegisteredType> r = p->complexMethod();
+    QDBusReply<RegisteredType> r = p->complexMethod(complexMethodArgs());
     QVERIFY(r.isValid());
-    QCOMPARE(r.value(), targetObj.complexMethod());
+    QCOMPARE(r.value(), targetObj.complexMethod(complexMethodArgs()));
 }
 
 void tst_QDBusAbstractInterface::makeMultiOutCall()
@@ -352,9 +360,9 @@ void tst_QDBusAbstractInterface::makeComplexCallPeer()
     Pinger p = getPingerPeer();
     QVERIFY2(p, "Not connected to D-Bus");
 
-    QDBusReply<RegisteredType> r = p->complexMethod();
+    QDBusReply<RegisteredType> r = p->complexMethod(complexMethodArgs());
     QVERIFY(r.isValid());
-    QCOMPARE(r.value(), targetObj.complexMethod());
+    QCOMPARE(r.value(), targetObj.complexMethod(complexMethodArgs()));
 }
 
 void tst_QDBusAbstractInterface::makeMultiOutCallPeer()
@@ -397,10 +405,10 @@ void tst_QDBusAbstractInterface::makeAsyncComplexCall()
     Pinger p = getPinger();
     QVERIFY2(p, "Not connected to D-Bus");
 
-    QDBusPendingReply<RegisteredType> r = p->complexMethod();
+    QDBusPendingReply<RegisteredType> r = p->complexMethod(complexMethodArgs());
     r.waitForFinished();
     QVERIFY(r.isValid());
-    QCOMPARE(r.value(), targetObj.complexMethod());
+    QCOMPARE(r.value(), targetObj.complexMethod(complexMethodArgs()));
 }
 
 void tst_QDBusAbstractInterface::makeAsyncMultiOutCall()
@@ -445,10 +453,10 @@ void tst_QDBusAbstractInterface::makeAsyncComplexCallPeer()
     Pinger p = getPingerPeer();
     QVERIFY2(p, "Not connected to D-Bus");
 
-    QDBusPendingReply<RegisteredType> r = p->complexMethod();
+    QDBusPendingReply<RegisteredType> r = p->complexMethod(complexMethodArgs());
     r.waitForFinished();
     QVERIFY(r.isValid());
-    QCOMPARE(r.value(), targetObj.complexMethod());
+    QCOMPARE(r.value(), targetObj.complexMethod(complexMethodArgs()));
 }
 
 void tst_QDBusAbstractInterface::makeAsyncMultiOutCallPeer()