Test für zu viele Ends hinzugefügt

info4/kapitel-8/Interpreter/test_loop_interpreter.py

@@ -132,6 +132,16 @@ class LOOPInterpreterTest(unittest.TestCase):
         with self.assertRaises(SyntaxError):
             interpret(';x1:=x1+1')
 
+    def test_syntax_unnecessary_end(self):
+        with self.assertRaises(SyntaxError):
+            interpret('LOOP x0 DO x1:=x1+1 END END')
+        with self.assertRaises(SyntaxError):
+            interpret('LOOP x0 DO x1:=x1+1 END; x1:=x1+1 END')
+        with self.assertRaises(SyntaxError):
+            interpret('x1:=x1+1; END x1:=x1+1')
+        with self.assertRaises(SyntaxError):
+            interpret('END x1:=x1+1')
+
     def test_syntax_missing_semicolon(self):
         with self.assertRaises(SyntaxError):
             interpret('x0:=2 LOOP x0 DO x1:=x1+1 END')