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
@@ -43,7 +43,7 @@ class AboutClasses < EdgeCase::Koan
     fido = Dog2.new
     fido.set_name("Fido")
 
-    assert_equal __, fido.instance_variable_get("@name")    
+    assert_equal __, fido.instance_variable_get("@name")
   end
 
   def test_you_can_rip_the_value_out_using_instance_eval
@@ -89,7 +89,7 @@ class AboutClasses < EdgeCase::Koan
 
     assert_equal __, fido.name
   end
-  
+
   # ------------------------------------------------------------------
 
   class Dog5
@@ -125,7 +125,7 @@ class AboutClasses < EdgeCase::Koan
     # THINK ABOUT IT:
     # Why is this so?
   end
-  
+
   def test_different_objects_have_difference_instance_variables
     fido = Dog6.new("Fido")
     rover = Dog6.new("Rover")
@@ -186,5 +186,5 @@ class AboutClasses < EdgeCase::Koan
     assert_equal __, "STRING".to_s
     assert_equal __, "STRING".inspect
   end
- 
+
 end

koans/about_constants.rb

@@ -1,4 +1,4 @@
-require 'edgecase'
+require File.expand_path(File.dirname(__FILE__) + '/edgecase')
 
 C = "top level"
 
@@ -20,7 +20,7 @@ class AboutConstants < EdgeCase::Koan
   end
 
   # ------------------------------------------------------------------
-  
+
   class Animal
     LEGS = 4
     def legs_in_animal
@@ -33,25 +33,25 @@ class AboutConstants < EdgeCase::Koan
       end
     end
   end
-  
+
   def test_nested_classes_inherit_constants_from_enclosing_classes
-    assert_equal __, Animal::NestedAnimal.new.legs_in_nested_animal    
+    assert_equal __, Animal::NestedAnimal.new.legs_in_nested_animal
   end
 
   # ------------------------------------------------------------------
-  
+
   class Reptile < Animal
     def legs_in_reptile
       LEGS
     end
   end
-  
+
   def test_subclasses_inherit_constants_from_parent_classes
     assert_equal __, Reptile.new.legs_in_reptile
   end
-  
+
   # ------------------------------------------------------------------
-  
+
   class MyAnimals
     LEGS = 2
 
@@ -61,16 +61,16 @@ class AboutConstants < EdgeCase::Koan
       end
     end
   end
-  
+
   def test_who_wins_with_both_nested_and_inherited_constants
     assert_equal __, MyAnimals::Bird.new.legs_in_bird
   end
-  
+
   # QUESTION: Which has precedence: The constant in the lexical scope,
   # or the constant from the inheritance heirarachy?
-  
+
   # ------------------------------------------------------------------
-  
+
   class MyAnimals::Oyster < Animal
     def legs_in_oyster
       LEGS
@@ -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
@@ -28,7 +28,7 @@ class AboutScope < EdgeCase::Koan
     rover = Joes::Dog.new
     assert_equal __, fido.identify
     assert_equal __, rover.identify
-    
+
     assert_not_equal fido.class, rover.class
     assert_not_equal Jims::Dog, Joes::Dog
   end
@@ -41,7 +41,7 @@ class AboutScope < EdgeCase::Koan
   def test_bare_bones_class_names_assume_the_current_scope
     assert_equal __, AboutScope::String == String
   end
-  
+
   def test_nested_string_is_not_the_same_as_the_system_string
     assert_equal __, String == "HI".class
   end

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
@@ -146,11 +146,20 @@ EOS
     # Surprised?
   end
 
-  def test_single_characters_are_represented_by_integers
+  in_ruby_version("1.8") do
-    assert_equal __, ?a
+    def test_in_ruby_1_8_single_characters_are_represented_by_integers
-    assert_equal __, ?a == 97
+      assert_equal __, ?a
+      assert_equal __, ?a == 97
 
-    assert_equal __, ?b == (?a + 1)
+      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
@@ -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)
-  value
+  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)
@@ -104,7 +116,7 @@ module EdgeCase
         end
       end
     end
-  end      
+  end
 
   class Koan
     include Test::Unit::Assertions
@@ -181,7 +193,7 @@ module EdgeCase
               load(arg)
             else
               fail "Unknown command line argument '#{arg}'"
-            end              
+            end
           end
         end
       end