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// Copyright (C) 2016 Ford Motor Company
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
import QtTest
import QtQml.StateMachine
TestCase {
id: testCase
StateMachine {
id: machine
initialState: startState
State {
id: startState
SignalTransition {
id: signalTrans
signal: testCase.mysignal
guard: mystr == "test1"
targetState: finalState
}
}
FinalState {
id: finalState
}
}
SignalSpy {
id: finalStateActive
target: finalState
signalName: "activeChanged"
}
signal mysignal(string mystr, bool mybool, int myint)
name: "testGuardCondition"
function test_guardCondition()
{
// Start statemachine, should not have reached finalState yet.
machine.start()
tryCompare(finalStateActive, "count", 0)
tryCompare(machine, "running", true)
// Emit the signalTrans.signal which will evaluate the guard. The
// guard should return true, finalState be reached and the
// statemachine be stopped.
testCase.mysignal("test1", true, 2)
tryCompare(finalStateActive, "count", 1)
tryCompare(machine, "running", false)
// Restart machine.
machine.start()
tryCompare(machine, "running", true)
tryCompare(finalStateActive, "count", 2)
// Emit signal that makes the signalTrans.guard return false. The
// finalState should not have been triggered.
testCase.mysignal("test2", true, 2)
tryCompare(finalStateActive, "count", 2)
tryCompare(machine, "running", true)
// Change the guard in javascript to test that boolean true/false
// works as expected.
signalTrans.guard = false;
testCase.mysignal("test1", true, 2)
tryCompare(finalStateActive, "count", 2)
tryCompare(machine, "running", true)
signalTrans.guard = true;
testCase.mysignal("test1", true, 2)
tryCompare(finalStateActive, "count", 3)
tryCompare(machine, "running", false)
}
}