1 files changed, 53 insertions, 0 deletions
diff --git a/test/w3c/promela/test403c.scxml b/test/w3c/promela/test403c.scxml
new file mode 100644
index 0000000..909d675
--- /dev/null
+++ b/test/w3c/promela/test403c.scxml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- we test 'optimally enabled set', specifically that preemption works correctly -->
+<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="0"/>
+  </datamodel>
+  <state id="s0" initial="p0">
+    <onentry>
+      <raise event="event1"/>
+      <send xmlns:scxml="http://www.w3.org/2005/07/scxml" delay="1000" event="timeout"/>
+    </onentry>
+    <transition event="event2" target="fail"/>
+    <transition event="timeout" target="fail"/>
+    <parallel id="p0">
+      <state id="p0s1">
+        <transition event="event1"/>
+        <transition event="event2"/>
+      </state>
+      <state id="p0s2">
+        <transition event="event1" target="p0s1">
+          <raise event="event2"/>
+        </transition>
+      </state>
+      <state id="p0s3">
+        <!-- this transition should be blocked by the one in p0s2-->
+        <transition event="event1" target="fail"/>
+        <!-- this transition will preempt the one that p0s2 inherits
+   from an ancestor  -->
+        <transition event="event2" target="s1"/>
+      </state>
+      <state id="p0s4">
+        <!-- this transition never gets preempted, should fire twice -->
+        <transition event="*">
+          <assign xmlns:scxml="http://www.w3.org/2005/07/scxml" location="Var1" expr="Var1 + 1"/>
+        </transition>
+      </state>
+    </parallel>
+  </state>
+  <state id="s1">
+    <transition cond="Var1==2" 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>