Merge branch 'master' of git@github.com:rails/rails

7 files changed, 68 insertions, 4 deletions

diff --git a/activesupport/CHANGELOG b/activesupport/CHANGELOG
index 721706c1f7..0717d344d7 100644
--- a/activesupport/CHANGELOG
+++ b/activesupport/CHANGELOG
@@ -1,4 +1,10 @@
-*2.3.0/3.0*
+*2.3.0 [Edge]*
+
+* Added Object#try. ( Taken from http://ozmm.org/posts/try.html ) [Chris Wanstrath]
+
+* Added Enumerable#none? to check that none of the elements match the block #1408 [Damian Janowski]
+
+* TimeZone offset tests: use current_period, to ensure TimeZone#utc_offset is up-to-date [Geoff Buesing]
 
 * Update bundled TZInfo to 0.3.12 [Geoff Buesing]
 
diff --git a/activesupport/lib/active_support/core_ext/enumerable.rb b/activesupport/lib/active_support/core_ext/enumerable.rb
index 788f3a7e9e..a7eaccfed7 100644
--- a/activesupport/lib/active_support/core_ext/enumerable.rb
+++ b/activesupport/lib/active_support/core_ext/enumerable.rb
@@ -104,4 +104,13 @@ module Enumerable
     size = block_given? ? select(&block).size : self.size
     size > 1
   end
+
+  # Returns true if none of the elements match the given block.
+  #
+  #   success = responses.none? {|r| r.status / 100 == 5 }
+  #
+  # This is a builtin method in Ruby 1.8.7 and later.
+  def none?(&block)
+    !any?(&block)
+  end unless [].respond_to?(:none?)
 end
diff --git a/activesupport/lib/active_support/core_ext/object/misc.rb b/activesupport/lib/active_support/core_ext/object/misc.rb
index cd0a04d32a..50f824c358 100644
--- a/activesupport/lib/active_support/core_ext/object/misc.rb
+++ b/activesupport/lib/active_support/core_ext/object/misc.rb
@@ -71,4 +71,17 @@ class Object
   def acts_like?(duck)
     respond_to? "acts_like_#{duck}?"
   end
+
+  # Tries to send the method only if object responds to it. Return +nil+ otherwise.
+  # 
+  # ==== Example :
+  # 
+  # # Without try
+  # @person ? @person.name : nil
+  # 
+  # With try
+  # @person.try(:name)
+  def try(method)
+    send(method) if respond_to?(method, true)
+  end
 end
diff --git a/activesupport/lib/active_support/version.rb b/activesupport/lib/active_support/version.rb
index 6631f233f1..3e2b29b327 100644
--- a/activesupport/lib/active_support/version.rb
+++ b/activesupport/lib/active_support/version.rb
@@ -1,8 +1,8 @@
 module ActiveSupport
   module VERSION #:nodoc:
     MAJOR = 2
-    MINOR = 2
-    TINY  = 1
+    MINOR = 3
+    TINY  = 0
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end
diff --git a/activesupport/test/core_ext/enumerable_test.rb b/activesupport/test/core_ext/enumerable_test.rb
index deb9b7544d..92db977a77 100644
--- a/activesupport/test/core_ext/enumerable_test.rb
+++ b/activesupport/test/core_ext/enumerable_test.rb
@@ -79,4 +79,15 @@ class EnumerableTests < Test::Unit::TestCase
     assert ![ 1, 2 ].many? {|x| x > 1 }
     assert [ 1, 2, 2 ].many? {|x| x > 1 }
   end
+
+  def test_none
+    assert [].none?
+    assert [nil, false].none?
+    assert ![1].none?
+
+    assert [].none? {|x| x > 1 }
+    assert ![ 2 ].none? {|x| x > 1 }
+    assert ![ 1, 2 ].none? {|x| x > 1 }
+    assert [ 1, 1 ].none? {|x| x > 1 }
+  end
 end
diff --git a/activesupport/test/core_ext/object_and_class_ext_test.rb b/activesupport/test/core_ext/object_and_class_ext_test.rb
index e88dcb52d5..fbdce56ac2 100644
--- a/activesupport/test/core_ext/object_and_class_ext_test.rb
+++ b/activesupport/test/core_ext/object_and_class_ext_test.rb
@@ -247,3 +247,28 @@ class ObjectInstanceVariableTest < Test::Unit::TestCase
       [arg] + instance_exec('bar') { |v| [reverse, v] } }
   end
 end
+
+class ObjectTryTest < Test::Unit::TestCase
+  def setup
+    @string = "Hello"
+  end
+
+  def test_nonexisting_method
+    method = :undefined_method
+    assert !@string.respond_to?(method)
+    assert_nil @string.try(method)
+  end
+  
+  def test_valid_method
+    assert_equal 5, @string.try(:size)
+  end
+
+  def test_valid_private_method
+    class << @string
+      private :size
+    end
+
+    assert_equal 5, @string.try(:size)
+  end
+
+end
diff --git a/activesupport/test/time_zone_test.rb b/activesupport/test/time_zone_test.rb
index d999b9f2a8..60313dc2f7 100644
--- a/activesupport/test/time_zone_test.rb
+++ b/activesupport/test/time_zone_test.rb
@@ -51,7 +51,7 @@ class TimeZoneTest < Test::Unit::TestCase
 
     define_method("test_utc_offset_for_#{name}") do
       silence_warnings do # silence warnings raised by tzinfo gem
-        period = zone.tzinfo.period_for_utc(Time.utc(2009,1,1,0,0,0))
+        period = zone.tzinfo.current_period
         assert_equal period.utc_offset, zone.utc_offset
       end
     end