many minor parfait fixes

lib/parfait/dictionary.rb

@@ -17,7 +17,7 @@ module Parfait
     end
 
     def length()
-      return @keys.length()
+      return @keys.get_length()
     end
 
     def get(key)
@@ -33,10 +33,10 @@ module Parfait
     end
 
     def key_index(key)
-      len = @keys.length()
-      index = 0
+      len = @keys.get_length()
+      index = 1
       found = nil
-      while(index < len)
+      while(index <= len)
         if( @keys.get(index) == key)
           found = index
           break

lib/parfait/list.rb

@@ -51,7 +51,7 @@ module Parfait
     # set the value at index.
     # Lists start from index 1
     def get(index)
-      raise "Only positive indexes, #{len}" if index <= 0
+      raise "Only positive indexes, #{index}" if index <= 0
       if index > self.get_length
         return nil
       else

test/parfait/test_dictionary.rb

@@ -5,10 +5,10 @@ class TestDictionary < MiniTest::Test
   def setup
     @lookup = ::Parfait::Dictionary.new
   end
-  def test_list_create
+  def test_dict_create
     assert @lookup.empty?
   end
-  def test_empty_list_doesnt_return
+  def test_empty_dict_doesnt_return
     assert_equal nil , @lookup.get(3)
     assert_equal nil , @lookup.get(:any)
   end

test/parfait/test_object.rb

@@ -6,16 +6,16 @@ class TestObject < MiniTest::Test
      @object = ::Parfait::Object.new_object
   end
 
-  def test_list_create
+  def test_object_create
     assert_equal 1 ,  @object.internal_object_length
   end
 
-  def test_list_grow
+  def test_object_grow
     @object.internal_object_grow( 2 )
     assert_equal 2 ,  @object.internal_object_length
   end
 
-  def test_empty_list_doesnt_return
+  def test_empty_object_doesnt_return
     assert_equal nil ,  @object.internal_object_get(3)
   end