start on redoing instruction positions

using insruction listeners (wip)

test/risc/position/test_instruction_listener.rb

@@ -3,7 +3,7 @@ require_relative "helper"
 module Risc
   module Position
     # tests that require a boot and test propagation
-    class TestInstructionPosition < MiniTest::Test
+    class TestInstructionListener < MiniTest::Test
       def setup
         Risc.machine.boot
         @binary = Parfait::BinaryCode.new(1)
@@ -11,7 +11,7 @@ module Risc
         @label = Risc.label("hi","ho")
       end
       def test_init
-        assert InstructionPosition.init(@label , nil)
+        assert InstructionListener.init(@label , @binary)
       end
       def pest_set_instr
         pos = Position.set( @label , 8 , @binary)

test/risc/position/test_object_position.rb

@@ -3,7 +3,7 @@ require_relative "helper"
 module Risc
   module Position
     # tests that do no require a boot and only test basic positioning
-    class TestPositionBasic < MiniTest::Test
+    class TestObjectPosition < MiniTest::Test
 
       def test_init
         assert ObjectPosition.init(self , -1)
@@ -13,6 +13,9 @@ module Risc
         position = ObjectPosition.new(mov , 0)
         assert_equal 4, position.next_slot
       end
+      def test_has_get_code
+        assert_nil ObjectPosition.init(self , -1).get_code
+      end
       def pest_creation_ok
         assert ObjectPosition.new(self,0)
       end