3 files changed, 28 insertions, 1 deletions
diff --git a/activesupport/test/core_ext/date_ext_test.rb b/activesupport/test/core_ext/date_ext_test.rb
index 8052d38c33..a7219eee31 100644
--- a/activesupport/test/core_ext/date_ext_test.rb
+++ b/activesupport/test/core_ext/date_ext_test.rb
@@ -30,6 +30,17 @@ class DateExtCalculationsTest < ActiveSupport::TestCase
     assert_equal "2005-02-21",          date.to_s(:iso8601)
   end
 
+  def test_to_s_with_single_digit_day
+    date = Date.new(2005, 2, 1)
+    assert_equal "2005-02-01",          date.to_s
+    assert_equal "01 Feb",              date.to_s(:short)
+    assert_equal "February 01, 2005",   date.to_s(:long)
+    assert_equal "February 1st, 2005",  date.to_s(:long_ordinal)
+    assert_equal "2005-02-01",          date.to_s(:db)
+    assert_equal "01 Feb 2005",         date.to_s(:rfc822)
+    assert_equal "2005-02-01",          date.to_s(:iso8601)
+  end
+
   def test_readable_inspect
     assert_equal "Mon, 21 Feb 2005", Date.new(2005, 2, 21).readable_inspect
     assert_equal Date.new(2005, 2, 21).readable_inspect, Date.new(2005, 2, 21).inspect
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb
index f0a4c4dddc..e8099baa35 100644
--- a/activesupport/test/core_ext/hash_ext_test.rb
+++ b/activesupport/test/core_ext/hash_ext_test.rb
@@ -999,6 +999,10 @@ class HashExtTest < ActiveSupport::TestCase
     h = hash_with_only_nil_values.dup
     assert_equal({}, h.compact)
     assert_equal(hash_with_only_nil_values, h)
+
+    h = @symbols.dup
+    assert_equal(@symbols, h.compact)
+    assert_equal(@symbols, h)
   end
 
   def test_compact!
@@ -1012,6 +1016,10 @@ class HashExtTest < ActiveSupport::TestCase
     h = hash_with_only_nil_values.dup
     assert_equal({}, h.compact!)
     assert_equal({}, h)
+
+    h = @symbols.dup
+    assert_equal(nil, h.compact!)
+    assert_equal(@symbols, h)
   end
 
   def test_new_with_to_hash_conversion
@@ -1034,7 +1042,7 @@ class HashExtTest < ActiveSupport::TestCase
     assert_equal 3, new_hash[2]
 
     new_hash.default = 2
-    assert_equal 2, new_hash[:non_existant]
+    assert_equal 2, new_hash[:non_existent]
   end
 
   def test_to_hash_with_raising_default_proc
diff --git a/activesupport/test/core_ext/module_test.rb b/activesupport/test/core_ext/module_test.rb
index 1f84e11529..566f29b470 100644
--- a/activesupport/test/core_ext/module_test.rb
+++ b/activesupport/test/core_ext/module_test.rb
@@ -367,6 +367,14 @@ class ModuleTest < ActiveSupport::TestCase
     assert_match(/undefined method `private_name' for/, e.message)
   end
 
+  def test_delegate_to_missing_does_not_delegate_to_fake_methods
+    e = assert_raises(NoMethodError) do
+      DecoratedReserved.new(@david).my_fake_method
+    end
+
+    assert_match(/undefined method `my_fake_method' for/, e.message)
+  end
+
   def test_parent
     assert_equal Yz::Zy, Yz::Zy::Cd.parent
     assert_equal Yz, Yz::Zy.parent