work on jump insertion continues

Now registering CodeListener instead of PositionListener
Also instead of on the previous, in itself, which is simpler
and allows to react to insertion at end

test/risc/position/test_code_listener.rb

@@ -20,16 +20,19 @@ module Risc
     def test_init_returns_position
       assert_equal Position , CodeListener.init(@binary).class
     end
+    def test_not_init_listner
+      pos = CodeListener.init(@binary)
+      assert CodeListener == pos.event_table[:position_changed].last.class
+    end
     def test_init_listner
       @binary.extend_one
       CodeListener.init(@binary)
       pos = Position.get(@binary)
-      assert !pos.event_table[:position_changed].empty?
+      assert_equal CodeListener , pos.event_table[:position_changed].first.class
     end
-    def test_not_init_listner
+    def test_extends_creates_jump
+      @binary.extend_one
       CodeListener.init(@binary)
-      pos = Position.get(@binary)
-      assert pos.event_table[:position_changed].empty?
     end
   end
 end

test/risc/position/test_code_listener1.rb

@@ -0,0 +1,26 @@
+require_relative "helper"
+
+module Risc
+  # tests that require a boot and test propagation
+  class TestCodeListenerFull < MiniTest::Test
+    def setup
+      Risc.machine.boot
+      @binary = Parfait::BinaryCode.new(1)
+      @method = Parfait.object_space.types.values.first.methods
+      @label = Risc.label("hi","ho")
+      @machine.translate(:arm)
+      @machine.position_all
+    end
+    def test_listener_after_extend
+      CodeListener.init(@binary).set(0)
+      @binary.extend_one
+      pos = Position.get(@binary.next)
+      assert_equal CodeListener , pos.event_table[:position_changed].first.class
+    end
+    def test_extend_sets_next_pos
+      CodeListener.init(@binary).set(0)
+      @binary.extend_one
+      assert Position.get(@binary.next)
+    end
+  end
+end