[NF] Add more when tests.

Belonging to [master]:
  - OpenModelica/OMCompiler#3011
  - OpenModelica/OpenModelica-testsuite#1151

flattening/modelica/scodeinst/Makefile

@@ -819,6 +819,8 @@ When3.mo \
 When4.mo \
 When5.mo \
 When6.mo \
+When7.mo \
+When8.mo \
 WhenClocked1.mo \
 WhenClockedElse1.mo \
 WhenClockedElse2.mo \

flattening/modelica/scodeinst/When7.mo

@@ -0,0 +1,28 @@
+// name: When7
+// keywords:
+// status: correct
+// cflags:   -d=newInst
+//
+//
+
+model When7
+  Real x;
+equation
+  when time > 0 then
+    x = 1;
+  elsewhen time > 1 then
+    reinit(x, 2);
+  end when;
+end When7;
+
+// Result:
+// class When7
+//   Real x;
+// equation
+//   when time > 0.0 then
+//     x = 1.0;
+//   elsewhen time > 1.0 then
+//     reinit(x, 2.0);
+//   end when;
+// end When7;
+// endResult

flattening/modelica/scodeinst/When8.mo

@@ -0,0 +1,53 @@
+// name: When8
+// keywords:
+// status: correct
+// cflags:   -d=newInst
+//
+//
+
+model When8
+  Real x[3];
+  Real y;
+  Real z[3];
+equation
+  when time > 0 then
+    x = {1, 2, 3};
+    y = 2;
+    z = {4, 5, 6};
+  elsewhen time > 1 then
+    x[1:2] = {3, 2};
+    x[3] = 5;
+    z = {9, 8, 7};
+    y = 4;
+  end when;
+end When8;
+
+// Result:
+// class When8
+//   Real x[1];
+//   Real x[2];
+//   Real x[3];
+//   Real y;
+//   Real z[1];
+//   Real z[2];
+//   Real z[3];
+// equation
+//   when time > 0.0 then
+//     x[1] = 1.0;
+//     x[2] = 2.0;
+//     x[3] = 3.0;
+//     y = 2.0;
+//     z[1] = 4.0;
+//     z[2] = 5.0;
+//     z[3] = 6.0;
+//   elsewhen time > 1.0 then
+//     x[1] = 3.0;
+//     x[2] = 2.0;
+//     x[3] = 5.0;
+//     z[1] = 9.0;
+//     z[2] = 8.0;
+//     z[3] = 7.0;
+//     y = 4.0;
+//   end when;
+// end When8;
+// endResult