parser test for nary predicates

src/test/storm/parser/PrismParserTest.cpp

@@ -158,6 +158,25 @@ TEST(PrismParser, POMDPInputTest) {
     EXPECT_NO_THROW(result = storm::parser::PrismParser::parseFromString(testInput2, "testfile"));
 }
 
+TEST(PrismParser, NAryPredicates) {
+    std::string testInput =
+            R"(dtmc
+
+    module example
+    s : [0..4] init 0;
+    i : bool init true;
+    [] s=0 -> 0.5: (s'=1) & (i'=false) + 0.5: (s'=2) & (i'=false);
+    [] s=1 | s=2 -> 1: (s'=3) & (i'=true);
+    [r] s=1 -> 1: (s'=4) & (i'=true);
+    [r] s=2 -> 1: (s'=3) & (i'=true);
+    endmodule
+
+    label "test" = atMostOneOf(s=0, s=3, s=4);
+    label "test2" = exactlyOneOf(s=0, i, !i & s=3);
+    )";
+
+    EXPECT_NO_THROW(result = storm::parser::PrismParser::parseFromString(testInput2, "testfile"));
+}
 
 TEST(PrismParser, IllegalInputTest) {
     std::string testInput =