diff --git a/test/melon/fragments/test_hello.rb b/test/melon/fragments/test_hello.rb
index 8cfcf3c0..2908df6a 100644
--- a/test/melon/fragments/test_hello.rb
+++ b/test/melon/fragments/test_hello.rb
@@ -3,11 +3,41 @@ require_relative 'helper'
 module Melon
   class TestRubyHello < MiniTest::Test
     include MelonTests
+    Branch = Register::Branch
+    Label = Register::Label
 
+    def setup
+      @string_input = as_main '"Hello there".putstring'
+      Register.machine.boot
+      #      do_clean_compile
+      RubyCompiler.compile @string_input
+      Register::Collector.collect_space
+      @interpreter = Register::Interpreter.new
+      @interpreter.start Register.machine.init
+    end
+
+    def test_chain
+      #show_ticks
+      check_chain [Branch, Label, LoadConstant, SlotToReg, RegToSlot,
+             LoadConstant, RegToSlot, FunctionCall, Label, LoadConstant,
+             SlotToReg, RegToSlot, SlotToReg, LoadConstant, RegToSlot,
+             LoadConstant, RegToSlot, LoadConstant, SlotToReg, RegToSlot,
+             LoadConstant, RegToSlot, RegisterTransfer, FunctionCall, Label,
+             LoadConstant, SlotToReg, RegToSlot, SlotToReg, SlotToReg,
+             RegisterTransfer, Syscall, RegisterTransfer, RegisterTransfer, RegToSlot,
+             Label, FunctionReturn, RegisterTransfer, SlotToReg, SlotToReg,
+             Label, FunctionReturn, RegisterTransfer, Syscall, NilClass]
+    end
+
+    def test_overflow
+      instruction = ticks( 24 )
+      assert_equal Register::FunctionCall , instruction.class
+      assert_equal :putstring , instruction.method.name
+    end
 
     def test_ruby_hello
-      @string_input = in_Space 'def puts(str) ; str.putstring; end ; def main; putstring "Hello there"; end'
-      assert !check
+      done = ticks(45)
+      assert_equal NilClass , done.class
       assert_equal "Hello there" , @interpreter.stdout
     end
 
diff --git a/test/melon/helper.rb b/test/melon/helper.rb
index 4b370847..0858dcac 100644
--- a/test/melon/helper.rb
+++ b/test/melon/helper.rb
@@ -2,6 +2,11 @@ require_relative '../helper'
 
 module Melon
   module CompilerHelper
+
+    def in_Test(statements)
+      "class Test ; #{statements} ; end"
+    end
+    
     def in_Space(statements)
       "class Space ; #{statements} ; end"
     end