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<?xml version="1.0" encoding="UTF-8"?>
<!-- we test that <send> evals its args when it is evaluated, not when the delay interval expires and the
message is actually sent. If it does, aParam will have the value of 1 (even though var1 has been incremented
in the interval.) If var2 ends up == 1, we pass. Otherwise we fail -->
<scxml xmlns="http://www.w3.org/2005/07/scxml" xmlns:conf="http://www.w3.org/2005/scxml-conformance" initial="s0" version="1.0" datamodel="promela">
<datamodel>
<data id="Var1" type="int" expr="1"/>
<data id="Var2" type="int"/>
</datamodel>
<state id="s0">
<onentry>
<send event="event1" delayexpr="'1s'">
<param name="aParam" expr="Var1"/>
</send>
<assign location="Var1" expr="2"/>
</onentry>
<transition event="event1" target="s1">
<assign location="Var2" expr="_event.data.aParam"/>
</transition>
<transition event="*" target="fail"/>
</state>
<state id="s1">
<transition cond="Var2==1" target="pass"/>
<transition target="fail"/>
</state>
<final xmlns:scxml="http://www.w3.org/2005/07/scxml" id="pass">
<onentry>
<log label="Outcome" expr="'pass'"/>
</onentry>
</final>
<final xmlns:scxml="http://www.w3.org/2005/07/scxml" id="fail">
<onentry>
<log label="Outcome" expr="'fail'"/>
</onentry>
</final>
</scxml>
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