update gems and fix tests

test/helper.rb

@@ -17,8 +17,8 @@ require "minitest/autorun"
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'test'))
 
-require 'salama'
-
+was = require 'salama'
+puts "loaded #{was}"
 
 class Ignored
   def == other

test/register/helper.rb

@@ -1 +1,2 @@
 require_relative "../helper"
+Register.machine.boot unless Register.machine.booted

test/register/parfait/test_attributes.rb

@@ -18,7 +18,7 @@ class TestAttributes < MiniTest::Test
   def test_message_name_nil
     last = @type.instance_names.last
     assert_equal :indexed_length , last
-    assert_equal nil , @mess.name
+    assert_nil  @mess.name
   end
   def test_message_next_set
     @mess.next_message = :next_message

test/register/parfait/test_class.rb

@@ -50,9 +50,9 @@ class TestClass < MiniTest::Test
     assert_equal Parfait::Method , @try.get_instance_method(:foo).class
   end
   def test_method_get_nothere
-    assert_equal nil , @try.get_instance_method(:foo)
+    assert_nil  @try.get_instance_method(:foo)
     test_remove_method
-    assert_equal nil , @try.get_instance_method(:foo)
+    assert_nil  @try.get_instance_method(:foo)
   end
   def test_resolve
     foo = foo_method :Object

test/register/parfait/test_dictionary.rb

@@ -1,7 +1,6 @@
 require_relative "../helper"
 
 class TestDictionary < MiniTest::Test
-  Register.machine.boot  #have to book, otherwise types etc not set
 
   def setup
     @lookup = ::Parfait::Dictionary.new
@@ -10,8 +9,8 @@ class TestDictionary < MiniTest::Test
     assert @lookup.empty?
   end
   def test_empty_dict_doesnt_return
-    assert_equal nil , @lookup.get(3)
-    assert_equal nil , @lookup.get(:any)
+    assert_nil  @lookup.get(3)
+    assert_nil  @lookup.get(:any)
   end
   def test_one_set1
     assert_equal 1 , @lookup.set(1,1)

test/register/parfait/test_list.rb

@@ -3,7 +3,6 @@ require_relative "../helper"
 class TestList < MiniTest::Test
 
   def setup
-    Register.machine.boot unless Register.machine.booted
     @list = ::Parfait::List.new
   end
   def test_isa
@@ -35,7 +34,7 @@ class TestList < MiniTest::Test
 
   def test_length0
     assert_equal 0 , @list.get_length
-    assert_equal nil , @list.indexed_length
+    assert_nil  @list.indexed_length
   end
   def test_offset
     assert_equal 2 , @list.get_offset
@@ -67,7 +66,7 @@ class TestList < MiniTest::Test
     assert_equal 0 , @list.get_length
   end
   def test_empty_list_doesnt_return
-    assert_equal nil , @list.get(3)
+    assert_nil  @list.get(3)
   end
   def test_one_set1
     assert_equal 2 , @list.set(1,2)
@@ -122,7 +121,7 @@ class TestList < MiniTest::Test
     test_many_get
     assert_equal 2 , @list.index_of( :two )
     assert_equal 3 , @list.index_of( :three )
-    assert_equal nil , @list.index_of( :four )
+    assert_nil  @list.index_of( :four )
   end
   def test_inspect
     test_many_get
@@ -146,13 +145,13 @@ class TestList < MiniTest::Test
     assert_equal :one , @list.first
   end
   def test_first_empty
-    assert_equal nil , @list.first
+    assert_nil  @list.first
   end
   def test_last
     test_many_get
     assert_equal :three , @list.last
   end
   def test_last_empty
-    assert_equal nil , @list.last
+    assert_nil  @list.last
   end
 end

test/register/parfait/test_meta.rb

@@ -47,8 +47,8 @@ class TestMeta < MiniTest::Test
     assert_equal Parfait::Method , @try.get_instance_method(:foo).class
   end
   def test_method_get_nothere
-    assert_equal nil , @try.get_instance_method(:foo)
+    assert_nil  @try.get_instance_method(:foo)
     test_remove_method
-    assert_equal nil , @try.get_instance_method(:foo)
+    assert_nil  @try.get_instance_method(:foo)
   end
 end

test/register/parfait/test_method.rb

@@ -3,7 +3,7 @@ require_relative "../helper"
 class TestMethod < MiniTest::Test
 
   def setup
-    obj = Register.machine.boot.space.get_class_by_name(:Object)
+    obj = Register.machine.space.get_class_by_name(:Object)
     args = Parfait.new_list [ Parfait::Variable.new(:Integer , :bar )]
     @method = ::Parfait::Method.new obj , :foo , args
   end

test/register/parfait/test_object.rb

@@ -14,7 +14,7 @@ class TestObject < MiniTest::Test
   end
 
   def test_empty_object_doesnt_return
-    assert_equal nil ,  @object.get_internal_word(3)
+    assert_nil   @object.get_internal_word(3)
   end
 
   def test_one_set1

test/register/parfait/test_space.rb

@@ -3,7 +3,7 @@ require_relative "../helper"
 class TestSpace < MiniTest::Test
 
   def setup
-    @machine = Register.machine.boot
+    @machine = Register.machine
   end
   def classes
     [:Kernel,:Word,:List,:Message,:Frame,:Type,:Object,:Class,:Dictionary,:Method , :Integer]

test/register/parfait/test_word.rb

@@ -3,7 +3,6 @@ require_relative "../helper"
 class TestEmptyWord < MiniTest::Test
 
   def setup
-    Register.machine.boot unless Register.machine.booted
     @word = ::Parfait::Word.new(0)
   end
   def test_word_create

test/register/test_instructions.rb

@@ -42,12 +42,12 @@ module Register
       assert_equal @label, @instruction.last
     end
     def test_next1
-      assert_equal nil , @instruction.next
+      assert_nil  @instruction.next
     end
     def test_next2
       @instruction.set_next @label
       assert_equal @label , @instruction.next
-      assert_equal nil , @instruction.next(2)
+      assert_nil  @instruction.next(2)
     end
     def test_replace
       @instruction.append @branch