UPdated koans to match latest source.

koans/Rakefile

@@ -7,6 +7,6 @@ require 'rake/testtask'
 task :default => :test
 
 task :test do
-  ruby 'path_to_enlightenment.rb'
+  ruby '-I.', 'path_to_enlightenment.rb'
 end
 

koans/about_array_assignment.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutArrayAssignment < EdgeCase::Koan
   def test_non_parallel_assignment

koans/about_arrays.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutArrays < EdgeCase::Koan
   def test_creating_arrays

koans/about_asserts.rb

@@ -1,7 +1,7 @@
 #!/usr/bin/env ruby
 # -*- ruby -*-
 
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutAsserts < EdgeCase::Koan
 

koans/about_blocks.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutBlocks < EdgeCase::Koan
   def method_with_block

koans/about_class_methods.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutClassMethods < EdgeCase::Koan
   class Dog

koans/about_classes.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutClasses < EdgeCase::Koan
   class Dog

koans/about_constants.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 C = "top level"
 
@@ -83,5 +83,5 @@ class AboutConstants < EdgeCase::Koan
 
   # QUESTION: Now Which has precedence: The constant in the lexical
   # scope, or the constant from the inheritance heirarachy?  Why is it
-  # different?
+  # different than the previous answer?
 end

koans/about_control_statements.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutControlStatements < EdgeCase::Koan
 

koans/about_dice_project.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class DiceSet
   attr_reader :values

koans/about_exceptions.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutExceptions < EdgeCase::Koan
 

koans/about_hashes.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutHashes < EdgeCase::Koan
   def test_creating_hashes

koans/about_inheritance.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutInheritance < EdgeCase::Koan
   class Dog

koans/about_iteration.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutIteration < EdgeCase::Koan
 

koans/about_message_passing.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutMessagePassing < EdgeCase::Koan
   

koans/about_methods.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 def my_global_method(a,b)
   a + b

koans/about_modules.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutModules < EdgeCase::Koan
   module Nameable

koans/about_nil.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutNil < EdgeCase::Koan
   def test_nil_is_an_object

koans/about_open_classes.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutOpenClasses < EdgeCase::Koan
   class Dog

koans/about_proxy_object_project.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 # Project: Create a Proxy Class
 #

koans/about_sandwich_code.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutUsingBlocks < EdgeCase::Koan
 

koans/about_scope.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutScope < EdgeCase::Koan
   module Jims

koans/about_scoring_project.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 # Greed is a dice game where you roll up to five dice to accumulate
 # points.  The following "score" function will be used calculate the

koans/about_strings.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutStrings < EdgeCase::Koan
   def test_double_quoted_strings_are_strings
@@ -146,12 +146,21 @@ EOS
     # Surprised?
   end
 
-  def test_single_characters_are_represented_by_integers
+  in_ruby_version("1.8") do
+    def test_in_ruby_1_8_single_characters_are_represented_by_integers
       assert_equal __, ?a
       assert_equal __, ?a == 97
 
       assert_equal __, ?b == (?a + 1)
     end
+  end
+
+  in_ruby_version("1.9") do
+    def test_in_ruby_1_8_single_characters_are_represented_by_strings
+      assert_equal __, ?a
+      assert_equal __, ?a == 97
+    end
+  end
 
   def test_strings_can_be_split
     string = "Sausage Egg Cheese"
@@ -166,7 +175,7 @@ EOS
 
     # NOTE: Patterns are formed from Regular Expressions.  Ruby has a
     # very powerful Regular Expression library.  Unfortunately, time
-    # does not permit us to explore it in detail in Ruby 101.
+    # does not permit us to explore it in detail now.
   end
 
   def test_strings_can_be_joined

koans/about_triangle_project.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 # You need to write the triangle method in the file 'triangle.rb'
 require 'triangle.rb'

koans/about_triangle_project_2.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 # You need to write the triangle method in the file 'triangle.rb'
 require 'triangle.rb'

koans/about_true_and_false.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 class AboutTrueAndFalse < EdgeCase::Koan
   def truth_value(condition)

koans/code_mash.rb

@@ -1 +1 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')

koans/edgecase.rb

@@ -6,12 +6,24 @@ require 'test/unit/assertions'
 class FillMeInError < StandardError
 end
 
-def __(value="FILL ME IN")
+def in_ruby_version(version)
-  value
+  yield if RUBY_VERSION =~ /^#{version}/
 end
 
-def _n_(value=999999)
+def __(value="FILL ME IN", value19=:mu)
+  if RUBY_VERSION < "1.9"
     value
+  else
+    (value19 == :mu) ? value : value19
+  end
+end
+
+def _n_(value=999999, value19=:mu)
+  if RUBY_VERSION < "1.9"
+    value
+  else
+    (value19 == :mu) ? value : value19
+  end
 end
 
 def ___(value=FillMeInError)