1 files changed, 14 insertions, 2 deletions
diff --git a/activesupport/test/configurable_test.rb b/activesupport/test/configurable_test.rb
index da7729d066..215a6e06b0 100644
--- a/activesupport/test/configurable_test.rb
+++ b/activesupport/test/configurable_test.rb
@@ -48,6 +48,18 @@ class ConfigurableActiveSupport < ActiveSupport::TestCase
     assert !instance.respond_to?(:baz=)
   end
 
+  test "configuration accessors can take a default value" do
+    parent = Class.new do
+      include ActiveSupport::Configurable
+      config_accessor :hair_colors, :tshirt_colors do
+        [:black, :blue, :white]
+      end
+    end
+
+    assert_equal [:black, :blue, :white], parent.hair_colors
+    assert_equal [:black, :blue, :white], parent.tshirt_colors
+  end
+
   test "configuration hash is available on instance" do
     instance = Parent.new
     assert_equal :bar, instance.config.foo
@@ -78,7 +90,7 @@ class ConfigurableActiveSupport < ActiveSupport::TestCase
 
   test "should raise name error if attribute name is invalid" do
     assert_raises NameError do
-      Class.new do 
+      Class.new do
         include ActiveSupport::Configurable
         config_accessor "invalid attribute name"
       end
@@ -94,4 +106,4 @@ class ConfigurableActiveSupport < ActiveSupport::TestCase
     methods = object.public_methods.map(&:to_s)
     assert !methods.include?(method.to_s), "Expected #{methods.inspect} to not include #{method.to_s.inspect}"
   end
-end
-\ No newline at end of file
+end