From dcb735f92d87aacade6aa65079fe3da06efca553 Mon Sep 17 00:00:00 2001
From: Kent Hansen <khansen@trolltech.com>
Date: Tue, 21 Jul 2009 15:23:17 +0200
Subject: add autotest for adding transition from state machine's root

It's not supported because the root state has no ancestor,
which is a requirement for the state machine's transition
selection algorithm.
---
 tests/auto/qstatemachine/tst_qstatemachine.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/auto/qstatemachine/tst_qstatemachine.cpp b/tests/auto/qstatemachine/tst_qstatemachine.cpp
index efcb983..bafd848 100644
--- a/tests/auto/qstatemachine/tst_qstatemachine.cpp
+++ b/tests/auto/qstatemachine/tst_qstatemachine.cpp
@@ -127,6 +127,7 @@ private slots:
     void targetStateWithNoParent();
     void targetStateDeleted();
     void transitionToRootState();
+    void transitionFromRootState();
     void transitionEntersParent();
     
     void defaultErrorState();
@@ -279,6 +280,15 @@ void tst_QStateMachine::transitionToRootState()
     QVERIFY(machine.configuration().contains(initialState));
 }
 
+void tst_QStateMachine::transitionFromRootState()
+{
+    QStateMachine machine;
+    QState *root = machine.rootState();
+    QState *s1 = new QState(root);
+    QTest::ignoreMessage(QtWarningMsg, "QState::addTransition: cannot add transition from root state");
+    root->addTransition(new EventTransition(QEvent::User, s1));
+}
+
 void tst_QStateMachine::transitionEntersParent()
 {
     QStateMachine machine;
-- 
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