create a load on the compiler

thus removing the need for << with objects on RegisterValue

test/risc/test_callable_compiler.rb

@@ -1,13 +1,5 @@
 require_relative "helper"
 module Risc
-  class FakeCallableCompiler < CallableCompiler
-    def initialize(a,c)
-      super(a,c)
-    end
-    def source_name
-      "luke"
-    end
-  end
   class TestCallableCompiler < MiniTest::Test
     def setup
       Parfait.boot!({})
@@ -29,28 +21,15 @@ module Risc
     def test_const
       assert_equal Array , @compiler.constants.class
     end
-  end
-  class TestFakeCallableCompiler < MiniTest::Test
-    def setup
-      Parfait.boot!({})
-      label = SlotMachine::Label.new("hi","ho")
-      @compiler = FakeCallableCompiler.new(FakeCallable.new  , label)
+    def test_load_class
+      object = @compiler.load_object(Parfait.object_space)
+      assert_equal RegisterValue , object.class
+      assert object.is_object?
     end
-    def test_ok
-      assert @compiler
-    end
-    def test_current
-      assert @compiler.current
-    end
-    def test_current_label
-      assert_equal Label , @compiler.current.class
-      assert_equal "ho" , @compiler.current.name
-    end
-    def test_slot
-      assert @compiler.risc_instructions
-    end
-    def test_const
-      assert_equal Array , @compiler.constants.class
+    def test_load_code
+      object = @compiler.load_object(Parfait.object_space)
+      assert_equal LoadConstant , @compiler.current.class
+      assert_equal Parfait::Space , @compiler.current.constant.class
     end
   end
 end