Add a test for connectToState()

Change-Id: I65a35eb193b683612647f17a556b4ad0254fa253
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

3 files changed, 143 insertions, 1 deletions

diff --git a/tests/auto/compiled/compiled.pro b/tests/auto/compiled/compiled.pro
index 0fd3db9..4e8dfa9 100644
--- a/tests/auto/compiled/compiled.pro
+++ b/tests/auto/compiled/compiled.pro
@@ -18,6 +18,7 @@ STATECHARTS = \
     anonymousstate.scxml \
     submachineunicodename.scxml \
     datainnulldatamodel.scxml \
-    initialhistory.scxml
+    initialhistory.scxml \
+    connection.scxml
 
 load(qscxmlc)
diff --git a/tests/auto/compiled/connection.scxml b/tests/auto/compiled/connection.scxml
new file mode 100644
index 0000000..c5654e5
--- /dev/null
+++ b/tests/auto/compiled/connection.scxml
@@ -0,0 +1,42 @@
+<?xml version="1.0" ?>
+<!--
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtScxml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+-->
+<scxml xmlns="http://www.w3.org/2005/07/scxml" version="1.0"
+       name="Connection">
+    <parallel id="top">
+        <state id="a">
+            <state id="a1"/>
+            <state id="a2"/>
+        </state>
+        <state id="b">
+            <final id="final"/>
+        </state>
+    </parallel>
+</scxml>
diff --git a/tests/auto/compiled/tst_compiled.cpp b/tests/auto/compiled/tst_compiled.cpp
index 096e347..6ad8e47 100644
--- a/tests/auto/compiled/tst_compiled.cpp
+++ b/tests/auto/compiled/tst_compiled.cpp
@@ -36,6 +36,7 @@
 #include "datainnulldatamodel.h"
 #include "submachineunicodename.h"
 #include "eventnames1.h"
+#include "connection.h"
 
 Q_DECLARE_METATYPE(QScxmlError);
 
@@ -50,6 +51,8 @@ private Q_SLOTS:
     void nullDataInit();
     void subMachineUnicodeName();
     void unicodeEventName();
+    void connection();
+    void myConnection();
 };
 
 void tst_Compiled::stateNames()
@@ -117,6 +120,102 @@ void tst_Compiled::unicodeEventName()
     QCOMPARE(names.activeStateNames(), QStringList(QLatin1String("b")));
 }
 
+class Receiver : public QObject
+{
+    Q_OBJECT
+public slots:
+    void receive(bool enabled)
+    {
+        received = received || enabled;
+    }
+public:
+    bool received = false;
+};
+
+void tst_Compiled::connection()
+{
+    Connection stateMachine;
+
+    Receiver receiverA;
+    Receiver receiverA1;
+    Receiver receiverA2;
+    Receiver receiverB;
+    Receiver receiverFinal;
+
+    QMetaObject::Connection conA     = stateMachine.connectToState("a",     &receiverA,     SLOT(receive(bool)));
+    QMetaObject::Connection conA1    = stateMachine.connectToState("a1",    &receiverA1,    SLOT(receive(bool)));
+    QMetaObject::Connection conA2    = stateMachine.connectToState("a2",    &receiverA2,    SLOT(receive(bool)));
+    QMetaObject::Connection conB     = stateMachine.connectToState("b",     &receiverB,     SLOT(receive(bool)));
+    QMetaObject::Connection conFinal = stateMachine.connectToState("final", &receiverFinal, SLOT(receive(bool)));
+
+    QVERIFY(conA);
+    QVERIFY(conA1);
+    QVERIFY(conA2);
+    QVERIFY(conB);
+    QVERIFY(conFinal);
+
+    stateMachine.start();
+
+    QTRY_VERIFY(receiverA.received);
+    QTRY_VERIFY(receiverA1.received);
+    QTRY_VERIFY(!receiverA2.received);
+    QTRY_VERIFY(receiverB.received);
+    QTRY_VERIFY(receiverFinal.received);
+
+    QVERIFY(disconnect(conA));
+    QVERIFY(disconnect(conA1));
+    QVERIFY(disconnect(conA2));
+    QVERIFY(disconnect(conB));
+    QVERIFY(disconnect(conFinal));
+}
+
+class MyConnection : public Connection
+{
+    Q_OBJECT
+public:
+    MyConnection(QObject *parent = 0)
+        : Connection(parent)
+    {}
+};
+
+void tst_Compiled::myConnection()
+{
+    MyConnection stateMachine;
+
+    Receiver receiverA;
+    Receiver receiverA1;
+    Receiver receiverA2;
+    Receiver receiverB;
+    Receiver receiverFinal;
+
+    QMetaObject::Connection conA     = stateMachine.connectToState("a",     &receiverA,     SLOT(receive(bool)));
+    QMetaObject::Connection conA1    = stateMachine.connectToState("a1",    &receiverA1,    SLOT(receive(bool)));
+    QMetaObject::Connection conA2    = stateMachine.connectToState("a2",    &receiverA2,    SLOT(receive(bool)));
+    QMetaObject::Connection conB     = stateMachine.connectToState("b",     &receiverB,     SLOT(receive(bool)));
+    QMetaObject::Connection conFinal = stateMachine.connectToState("final", &receiverFinal, SLOT(receive(bool)));
+
+    QVERIFY(conA);
+    QVERIFY(conA1);
+    QVERIFY(conA2);
+    QVERIFY(conB);
+    QVERIFY(conFinal);
+
+    stateMachine.start();
+
+    QTRY_VERIFY(receiverA.received);
+    QTRY_VERIFY(receiverA1.received);
+    QTRY_VERIFY(!receiverA2.received);
+    QTRY_VERIFY(receiverB.received);
+    QTRY_VERIFY(receiverFinal.received);
+
+    QVERIFY(disconnect(conA));
+    QVERIFY(disconnect(conA1));
+    QVERIFY(disconnect(conA2));
+    QVERIFY(disconnect(conB));
+    QVERIFY(disconnect(conFinal));
+}
+
+
 QTEST_MAIN(tst_Compiled)
 
 #include "tst_compiled.moc"