Fixing tests for implicit return

previous commit affected rather many test, as the implicit returns add extra instructions
Also added some explicit returns, so as not to test the return logic too much. return (ie return nl) is a knonwn 3 risc operation.

test/vool/send/helper.rb

@@ -20,7 +20,7 @@ module Vool
       assert_equal MessageSetup , @ins.class , @ins
     end
     def test_two_instructions_are_returned
-      assert_equal 6 ,  @ins.length , @ins
+      assert_equal 8 ,  @ins.length , @ins
     end
     def test_receiver_move_class
       assert_equal ArgumentTransfer,  @ins.next(1).class
@@ -40,7 +40,8 @@ module Vool
       assert_equal Parfait::CallableMethod,  @ins.next(2).method.class
     end
     def test_array
-      check_array [MessageSetup,ArgumentTransfer,SimpleCall,Label, ReturnSequence ,
+      check_array [MessageSetup,ArgumentTransfer,SimpleCall,
+                  SlotLoad, ReturnJump, Label, ReturnSequence ,
                     Label] , @ins
     end
   end

test/vool/send/test_not_found.rb

@@ -21,7 +21,8 @@ module Vool
 
     def test_array
       check_array [NotSameCheck, SlotLoad, ResolveMethod, Label, MessageSetup ,
-                    ArgumentTransfer, DynamicCall, Label, ReturnSequence, Label]  , @ins
+                    ArgumentTransfer, DynamicCall, SlotLoad, ReturnJump,
+                    Label, ReturnSequence, Label]  , @ins
     end
 
   end

test/vool/send/test_send_args_send.rb

@@ -7,14 +7,14 @@ module Vool
     def setup
       Parfait.boot!(Parfait.default_test_options)
       Risc.boot!
-      @compiler = compile_first_method( "a = main(1 + 2)" )
+      @compiler = compile_first_method( "a = main(1 + 2);return a" )
       @ins = @compiler.mom_instructions.next
     end
 
     def test_array
       check_array [MessageSetup, ArgumentTransfer, SimpleCall, SlotLoad, MessageSetup ,
-                    ArgumentTransfer, SimpleCall, SlotLoad ,Label, ReturnSequence ,
-                    Label] , @ins
+                    ArgumentTransfer, SimpleCall, SlotLoad ,SlotLoad, ReturnJump,
+                    Label, ReturnSequence , Label] , @ins
     end
 
     def test_one_call

test/vool/send/test_send_cached_simple.rb

@@ -5,7 +5,7 @@ module Vool
     include VoolCompile
 
     def setup
-      @compiler = compile_first_method( "a = 5; a.div4")
+      @compiler = compile_first_method( "a = 5; a.div4;return ")
       @ins = @compiler.mom_instructions.next
     end
     def test_check_type
@@ -27,7 +27,8 @@ module Vool
 
     def test_array
       check_array [SlotLoad, NotSameCheck, SlotLoad, ResolveMethod ,
-                    Label, MessageSetup, ArgumentTransfer, DynamicCall, Label ,
+                    Label, MessageSetup, ArgumentTransfer, DynamicCall,
+                    SlotLoad, ReturnJump, Label ,
                     ReturnSequence, Label]  , @ins
     end
 

test/vool/send/test_send_self.rb

@@ -5,7 +5,7 @@ module Vool
     include SimpleSendHarness
 
     def send_method
-      "self.get_internal_word(0)"
+      "self.get_internal_word(0);return"
     end
     def test_receiver
       assert_equal SlotDefinition,  @ins.next.receiver.class

test/vool/send/test_send_simple.rb

@@ -5,7 +5,7 @@ module Vool
     include SimpleSendHarness
 
     def send_method
-      "5.div4"
+      "5.div4;return"
     end
     def receiver
       [Mom::IntegerConstant , 5]

test/vool/send/test_send_simple_args.rb

@@ -5,7 +5,7 @@ module Vool
     include SimpleSendHarness
 
     def send_method
-      "5.div4(1,2)"
+      "5.div4(1,2);return"
     end
 
     def receiver
@@ -20,8 +20,8 @@ module Vool
       assert_equal 2,    @ins.next(1).arguments[1].right.known_object.value
     end
     def test_array
-      check_array [MessageSetup,ArgumentTransfer,SimpleCall, Label, ReturnSequence ,
-                    Label] , @ins
+      check_array [MessageSetup,ArgumentTransfer,SimpleCall, SlotLoad, ReturnJump,
+                  Label, ReturnSequence , Label] , @ins
     end
   end
 end

test/vool/send/test_send_simple_string.rb

@@ -5,7 +5,7 @@ module Vool
     include SimpleSendHarness
 
     def send_method
-      "'5'.get_internal_byte(1)"
+      "'5'.get_internal_byte(1) ; return "
     end
     def receiver
       [Mom::StringConstant , "5"]