Added testcase for min/max of enumerations.

flattening/modelica/built-in-functions/Makefile

@@ -48,6 +48,7 @@ Log10.mo \
 MathematicalFunctions.mo \
 MaxArray.mo \
 MinMax.mo \
+MinMaxEnum.mo \
 Mod.mo \
 MultiFunctionReturnValueUseOnlyFirst.mo \
 NumericFunctions.mo \

flattening/modelica/built-in-functions/MinMaxEnum.mo

@@ -0,0 +1,37 @@
+// name:     MinMaxEnum
+// keywords: builtin functions min max
+// status:   correct
+//
+// Usage of the min and max functions with enumerations.
+//
+
+model MinMaxEnum
+  type E = enumeration(a, b, c, d);
+  constant E earr[E] = E.a:E.d;
+
+  constant E e1 = min(E.a, E.d);
+  constant E e2 = max(E.a, E.d);
+  constant E e3 = min(earr);
+  constant E e4 = max(earr);
+  constant E e5 = min(e for e in earr);
+  constant E e6 = max(e for e in earr);
+  constant E e7 = min(e for e in {E.c, E.b, E.d});
+  constant E e8 = max(e for e in {E.a, E.c, E.b});
+end MinMaxEnum;
+
+// Result:
+// class MinMaxEnum
+//   constant enumeration(a, b, c, d) earr[MinMaxEnum.E.a] = MinMaxEnum.E.a;
+//   constant enumeration(a, b, c, d) earr[MinMaxEnum.E.b] = MinMaxEnum.E.b;
+//   constant enumeration(a, b, c, d) earr[MinMaxEnum.E.c] = MinMaxEnum.E.c;
+//   constant enumeration(a, b, c, d) earr[MinMaxEnum.E.d] = MinMaxEnum.E.d;
+//   constant enumeration(a, b, c, d) e1 = MinMaxEnum.E.a;
+//   constant enumeration(a, b, c, d) e2 = MinMaxEnum.E.d;
+//   constant enumeration(a, b, c, d) e3 = MinMaxEnum.E.a;
+//   constant enumeration(a, b, c, d) e4 = MinMaxEnum.E.d;
+//   constant enumeration(a, b, c, d) e5 = MinMaxEnum.E.a;
+//   constant enumeration(a, b, c, d) e6 = MinMaxEnum.E.d;
+//   constant enumeration(a, b, c, d) e7 = MinMaxEnum.E.b;
+//   constant enumeration(a, b, c, d) e8 = MinMaxEnum.E.c;
+// end MinMaxEnum;
+// endResult