[NF] Add Clock constructor tests.

Belonging to [master]:
  - OpenModelica/OMCompiler#2737
  - #1059

flattening/modelica/scodeinst/ClockConstructor1.mo

@@ -0,0 +1,35 @@
+// name: ClockConstructor1
+// keywords:
+// status: correct
+// cflags: -d=newInst
+//
+
+model ClockConstructor1
+  Clock c1 = Clock();
+  Clock c2 = Clock(1);
+  Clock c3 = Clock(1, 2);
+  Clock c4 = Clock(intervalCounter = 1, resolution = 2);
+  Clock c5 = Clock(1.0);
+  Clock c6 = Clock(interval = 2.0);
+  Clock c7 = Clock(time < 1);
+  Clock c8 = Clock(time < 1, 1.0);
+  Clock c9 = Clock(condition = time < 1, startInterval = 0.5);
+  Clock c10 = Clock(c2, "ImplicitTrapezoid");
+  Clock c11 = Clock(c = c3, solverMethod = "");
+end ClockConstructor1;
+
+// Result:
+// class ClockConstructor1
+//   Clock c1 = Clock();
+//   Clock c2 = Clock(1, 1);
+//   Clock c3 = Clock(1, 2);
+//   Clock c4 = Clock(1, 2);
+//   Clock c5 = Clock(1.0);
+//   Clock c6 = Clock(2.0);
+//   Clock c7 = Clock(time < 1.0, 0.0);
+//   Clock c8 = Clock(time < 1.0, 1.0);
+//   Clock c9 = Clock(time < 1.0, 0.5);
+//   Clock c10 = Clock(c2, "ImplicitTrapezoid");
+//   Clock c11 = Clock(c3, "");
+// end ClockConstructor1;
+// endResult

flattening/modelica/scodeinst/Makefile

@@ -177,6 +177,7 @@ ClassMod3.mo \
 ClassMod4.mo \
 ClassMod5.mo \
 ClassMod6.mo \
+ClockConstructor1.mo \
 Comment1.mo \
 CompAsFunc.mo \
 ComponentAsTypeError.mo \