diff --git a/samples/depth_sample.rb b/samples/depth_sample.rb
new file mode 100644
index 0000000..d4044ed
--- /dev/null
+++ b/samples/depth_sample.rb
@@ -0,0 +1,60 @@
+=begin
+die
+=end
+
+module Outer
+  class User
+    def initialize(name)
+      @name = name
+
+      if @name
+        while @name
+          begin
+            case @name
+            when "admin"
+              puts "admin"
+            else
+              puts "user"
+            end
+          end
+        end
+      else
+        unless name
+          puts "missing"
+        end
+      end
+    end
+
+    def each_item(items)
+      for item in items
+        if item
+          die!
+          puts "ha"
+          puts "ha"
+          item.do_something do
+            puts "ha"
+            puts "ha"
+            puts item
+            puts "ha"
+            puts "ha"
+          end
+          puts "ha"
+          puts "ha"
+        end
+      end
+    end
+  end
+
+  module Inner
+    def run(value)
+      until value == 0
+        case value
+        when 1
+          value -= 1
+        else
+          value -= 2
+        end
+      end
+    end
+  end
+end