Added empty rulesets

src/AssignmentSnakeRules.rsc

+module AssignmentSnakeRules
+
+import Message;
+import lang::java::m3::Core;
+
+import ClassHierarchy;
+import StandardLocations;
+
+set[Message] allAssignmentSnakeRules(M3 model)
+  = aSnake_view_separated(model)
+  + aSnake_controller_separated(model)
+  ;
+
+set[Message] aSnake_view_separated(M3 model)
+{
+	// Check if SnakeGame is the only class that uses JavaFX scene objects
+	return {};
+	// Check if SnakeGame itself doesn't contain things that should be in the model
+}
+
+set[Message] aSnake_controller_separated(M3 model)
+{
+	// Check if InputHandler is the only class that uses JavaFX EventListeners
+	// This is more difficult because other classes can add event listeners to scenes
+	// using a lambda, in which case they don't need the EventListener import
+	return {};
+	// Check if InputHandler itself doesn't contain things that should be in the model
+}

src/Main.rsc

@@ -68,9 +68,9 @@ int main(list[str] args)
     case "sliding-game": messages += allAssignmentSlidingGameRules(m);
     case "quadtrees": messages += allAssignmentQuadtreesRules(m);
     case "polynomials": messages += allAssignmentPolynomialsRules(m);
-    // pie-charts and snake don't have rules, but we still want coding rules and syntax errors
+    // pie-charts doesn't have rules, but we still want coding rules and syntax errors
     case "pie-charts": ;
-    case "snake": ;
+    case "snake": messages += allAssignmentSnakeRules(m);
     case "propositional": messages += allAssignmentPropositionalRules(m);
     case "streams":
     {

src/test-data/snake-example-solution/src/snake/Snake.java

@@ -9,7 +9,7 @@ import java.util.List;
 public class Snake extends Segment {
 
     public interface SnakeSegmentListener {
-        void onNewSegment(Segment segment);
+        public void onNewSegment(Segment segment);
     }
 
     private Direction direction = Direction.RIGHT;

src/test-data/snake-graphics-not-in-view/src/snake/Snake.java

@@ -9,7 +9,7 @@ import java.util.List;
 public class Snake extends Segment {
 
     public interface SnakeSegmentListener {
-        void onNewSegment(Segment segment);
+        public void onNewSegment(Segment segment);
     }
 
     private Direction direction = Direction.RIGHT;

src/test-data/snake-input-not-in-controller/src/snake/Snake.java

@@ -9,7 +9,7 @@ import java.util.List;
 public class Snake extends Segment {
 
     public interface SnakeSegmentListener {
-        void onNewSegment(Segment segment);
+        public void onNewSegment(Segment segment);
     }
 
     private Direction direction = Direction.RIGHT;

src/test/AssignmentSnakeRulesSpec.rsc

+module \test::AssignmentSnakeRulesSpec
+
+import Set;
+import lang::java::m3::Core;
+
+import \test::SpecUtil;
+import AssignmentSnakeRules;
+import CodingRules;
+import Util;
+
+test bool aSnakeexampleSolution()
+{
+  M3 model = loadTestProject("snake-example-solution");
+  errors = allAssignmentSnakeRules(model) + allCodingRules(model);
+  return isEmpty(errors);
+}
+
+test bool aSnakebaseClassesNotAbstract()
+{
+  M3 model = loadTestProject("snake-graphics-not-in-view");
+  errors = allAssignmentSnakeRules(model);
+  return
+    { 
+    } == messages(errors);
+}
+
+test bool aSnakevariableNotExtendsOneArgExpr()
+{
+  M3 model = loadTestProject("snake-input-not-in-controller");
+  errors = allAssignmentSnakeRules(model);
+  return
+    { 
+    } == messages(errors);
+}
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