Fixed incompatibilities with 1.8.6.

Rakefile

@@ -16,7 +16,7 @@ begin
     gem.add_dependency "ruby2ruby", ">= 1.2.5"
     gem.add_dependency "sexp_processor", ">= 3.0.5"
     gem.add_dependency "sourcify", ">= 0.2.3"
-    gem.required_ruby_version = '>= 1.8.7'
+    gem.required_ruby_version = '>= 1.8.6'
     # TODO: How do we declare the following optional dependencies ??
     # 1. gem.add_dependency "memcache-client", "= 1.8.5"
     # 2. gem.add_dependency "redis", "= 2.0.3"

lib/cross-stub.rb

@@ -9,6 +9,7 @@
 require 'cross-stub/stubber'
 require 'cross-stub/arguments'
 require 'cross-stub/stores'
+require 'cross-stub/fixes'
 
 module CrossStub
 

lib/cross-stub/cache.rb

@@ -21,7 +21,7 @@ def refresh(opts)
       private
 
         def init(opts, truncate)
-          type, arg = opts.to_a[0].map(&:to_s)
+          type, arg = opts.to_a[0].map{|o| o.to_s }
           @store =
             begin
               store_name = '%s%s' % [type[0..0].upcase, type[1..-1].downcase]

lib/cross-stub/fixes.rb

@@ -0,0 +1,8 @@
+# 1.8.6 doesn't support String#end_with?
+unless ''.respond_to?(:end_with?)
+  class String
+    def end_with?(s)
+      ((idx = self.length - s.length) < 0) ? false : (self[idx .. -1] == s)
+    end
+  end
+end

lib/cross-stub/stubber.rb

@@ -103,7 +103,7 @@ def m_eval(str)
       alias_method :t_eval, :m_eval
 
       def has_method?(method)
-        @thing.instance_methods.map(&:to_s).include?(method.to_s)
+        @thing.instance_methods.map{|m| m.to_s }.include?(method.to_s)
       end
 
     end

spec/includes.rb

@@ -7,7 +7,7 @@
 RUBY_VM = [
   RUBY_VERSION.gsub(/[^\d]/,''),
   RUBY_PLATFORM =~ /java/i ? 'j' : '',
-  RUBY_DESCRIPTION =~ /enterprise/i ? 'e' : ''
+  (Object.const_defined?(:RUBY_DESCRIPTION) ? RUBY_DESCRIPTION : '') =~ /enterprise/i ? 'e' : ''
 ].join
 
 PROJECT_ROOT = File.join(File.dirname(File.expand_path(__FILE__)), '..')