cleaned up chained assignment and conditional

Making this almost usable

test/slot_language/test_assignment.rb

@@ -44,12 +44,21 @@ module SlotLanguage
   class TestAssignment3 < MiniTest::Test
     include SlotHelper
 
-    def est_slot_load_linst_trav2
-       assert_equal Assignment , compile_class("@a.c = b.c")
+    def test_inst_ass
+      assign = compile("@a.b = c")
+      assert_equal Assignment , assign.class
+      assert_equal MessageVariable , assign.left.class
+      assert_equal :a , assign.left.name
+      assert_equal Variable , assign.left.chain.class
+      assert_equal :b , assign.left.chain.name
     end
-    def est_assign2
-      assign = compile("c.next = d")
-      assert_equal Assignment  , assign.class
+    def test_local_ass
+      assign = compile("a.b = c")
+      assert_equal Assignment , assign.class
+      assert_equal Variable , assign.left.class
+      assert_equal :a , assign.left.name
+      assert_equal Variable , assign.left.chain.class
+      assert_equal :b , assign.left.chain.name
     end
   end
 end

test/slot_language/test_equal_goto.rb

@@ -55,4 +55,38 @@ module SlotLanguage
       assert_equal :c , @expr.last.right.name
     end
   end
+  class TestEqualGotoChain < MiniTest::Test
+    include SlotHelper
+    def setup
+      @expr = compile("goto(start_label) if( a.b == c)")
+    end
+    def test_eq
+      assert_equal EqualGoto , @expr.class
+    end
+    def test_left
+      assert_equal Variable , @expr.left.class
+      assert_equal :a , @expr.left.name
+    end
+    def test_left_chain
+      assert_equal Variable , @expr.left.chain.class
+      assert_equal :b , @expr.left.chain.name
+    end
+  end
+  class TestEqualGotoChain2 < MiniTest::Test
+    include SlotHelper
+    def setup
+      @expr = compile("goto(start_label) if( a == @b.c)")
+    end
+    def test_eq
+      assert_equal EqualGoto , @expr.class
+    end
+    def test_left
+      assert_equal MessageVariable , @expr.right.class
+      assert_equal :b , @expr.right.name
+    end
+    def test_left_chain
+      assert_equal Variable , @expr.right.chain.class
+      assert_equal :c , @expr.right.chain.name
+    end
+  end
 end