camelize(:lower) should always downcase first character. [#696 state:resolved]

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

activesupport/lib/active_support/inflector.rb

@@ -173,7 +173,7 @@ def camelize(lower_case_and_underscored_word, first_letter_in_uppercase = true)
       if first_letter_in_uppercase
         lower_case_and_underscored_word.to_s.gsub(/\/(.?)/) { "::#{$1.upcase}" }.gsub(/(?:^|_)(.)/) { $1.upcase }
       else
-        lower_case_and_underscored_word.first + camelize(lower_case_and_underscored_word)[1..-1]
+        lower_case_and_underscored_word.first.downcase + camelize(lower_case_and_underscored_word)[1..-1]
       end
     end
 

activesupport/test/core_ext/string_ext_test.rb

@@ -32,6 +32,10 @@ def test_camelize
     end
   end
 
+  def test_camelize_lower
+    assert_equal('capital', 'Capital'.camelize(:lower))
+  end
+
   def test_underscore
     CamelToUnderscore.each do |camel, underscore|
       assert_equal(underscore, camel.underscore)

activesupport/test/inflector_test.rb

@@ -46,6 +46,10 @@ def test_camelize
     end
   end
 
+  def test_camelize_with_lower_downcases_the_first_letter
+    assert_equal('capital', ActiveSupport::Inflector.camelize('Capital', false))
+  end
+
   def test_underscore
     CamelToUnderscore.each do |camel, underscore|
       assert_equal(underscore, ActiveSupport::Inflector.underscore(camel))