redid integer comparison with builder

had to add some helpers to builder

test/risc/test_builder1.rb

@@ -14,7 +14,23 @@ module Risc
       r1 = RegisterValue.new(:r1 , :Space)
       @builder.build{ space << r1 }
       assert_equal Transfer , @compiler.risc_instructions.next.class
+      assert_equal RegisterValue ,  @builder.space.class
+    end
+    def test_loads
+      @builder.build{ space << Parfait.object_space }
+      assert_equal LoadConstant , @compiler.risc_instructions.next.class
+      assert_equal RegisterValue ,  @builder.space.class
+    end
+    def test_two
+      @builder.build{ space << Parfait.object_space ; integer << 1}
+      assert_equal LoadConstant , @compiler.risc_instructions.next.class
+      assert_equal LoadData , @compiler.risc_instructions.next(2).class
+    end
+    def test_swap
+      test_two
+      @builder.swap_names( :space , :integer)
+      assert_equal :Integer ,  @builder.space.type.class_name
+      assert_equal :Space ,  @builder.integer.type.class_name
     end
-
   end
 end