3 files changed, 20 insertions, 3 deletions
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb
index 69a380c7cb..d824a16e98 100644
--- a/activesupport/test/core_ext/hash_ext_test.rb
+++ b/activesupport/test/core_ext/hash_ext_test.rb
@@ -635,7 +635,7 @@ class HashExtTest < ActiveSupport::TestCase
     assert_equal 1, h['first']
   end
 
-  def test_indifferent_subhashes
+  def test_indifferent_sub_hashes
     h = {'user' => {'id' => 5}}.with_indifferent_access
     ['user', :user].each {|user| [:id, 'id'].each {|id| assert_equal 5, h[user][id], "h[#{user.inspect}][#{id.inspect}] should be 5"}}
 
diff --git a/activesupport/test/core_ext/string_ext_test.rb b/activesupport/test/core_ext/string_ext_test.rb
index ea12f1ced5..95df173880 100644
--- a/activesupport/test/core_ext/string_ext_test.rb
+++ b/activesupport/test/core_ext/string_ext_test.rb
@@ -58,6 +58,11 @@ class StringInflectionsTest < ActiveSupport::TestCase
     assert_equal("blargles", "blargle".pluralize(2))
   end
 
+  test 'pluralize with count = 1 still returns new string' do
+    name = "Kuldeep"
+    assert_not_same name.pluralize(1), name
+  end
+
   def test_singularize
     SingularToPlural.each do |singular, plural|
       assert_equal(singular, plural.singularize)
@@ -296,6 +301,12 @@ class StringAccessTest < ActiveSupport::TestCase
     assert_equal 'x', 'x'.first(4)
   end
 
+  test "#first with Fixnum >= string length still returns a new string" do
+    string = "hello"
+    different_string = string.first(5)
+    assert_not_same different_string, string
+  end
+
   test "#last returns the last character" do
     assert_equal "o", "hello".last
     assert_equal 'x', 'x'.last
@@ -308,6 +319,12 @@ class StringAccessTest < ActiveSupport::TestCase
     assert_equal 'x', 'x'.last(4)
   end
 
+  test "#last with Fixnum >= string length still returns a new string" do
+    string = "hello"
+    different_string = string.last(5)
+    assert_not_same different_string, string
+  end
+
   test "access returns a real string" do
     hash = {}
     hash["h"] = true
diff --git a/activesupport/test/multibyte_conformance.rb b/activesupport/test/multibyte_conformance_test.rb
index 2baf724da4..6ab8fa28ee 100644
--- a/activesupport/test/multibyte_conformance.rb
+++ b/activesupport/test/multibyte_conformance_test.rb
@@ -20,8 +20,8 @@ class Downloader
             target.write l
           end
         end
-       end
-     end
+      end
+    end
   end
 end