1 files changed, 20 insertions, 0 deletions
diff --git a/railties/test/code_statistics_test.rb b/railties/test/code_statistics_test.rb
new file mode 100644
index 0000000000..1b1ff80bc1
--- /dev/null
+++ b/railties/test/code_statistics_test.rb
@@ -0,0 +1,20 @@
+require 'abstract_unit'
+require 'rails/code_statistics'
+
+class CodeStatisticsTest < ActiveSupport::TestCase
+  def setup
+    @tmp_path = File.expand_path(File.join(File.dirname(__FILE__), 'fixtures', 'tmp'))
+    @dir_js   = File.expand_path(File.join(File.dirname(__FILE__), 'fixtures', 'tmp', 'lib.js'))
+    FileUtils.mkdir_p(@dir_js)
+  end
+
+  def teardown
+    FileUtils.rm_rf(@tmp_path)
+  end
+
+  test 'ignores directories that happen to have source files extensions' do
+    assert_nothing_raised do
+      @code_statistics = CodeStatistics.new(['tmp dir', @tmp_path])
+    end
+  end
+end