Test case for class re-opening

features/compiler.feature

@@ -46,6 +46,7 @@ Feature: Compiler
     | inputs/defaultargs.rb   | outputs/defaultargs.txt   | Default arguments to methods                       |
     | inputs/nil.rb           | outputs/nil.txt           | Basic checks of "nil"                              |
     | inputs/typed_and.rb     | outputs/typed_and.txt     | Regression check for and/or with typing            |
+    | inputs/redefine.rb      | outputs/redefine.txt      | Re-opening classes                                 |
 
     @logic
 	Scenario Outline: Running programs

features/inputs/redefine.rb

@@ -0,0 +1,61 @@
+
+class Foo
+  def hello
+    puts "hello"
+  end
+
+  def world
+    puts "world"
+  end
+end
+
+# Bar does not override anything, so it should keep acting like Foo.
+class Bar < Foo
+end
+
+# Baz overrides, so when Foo#hello is overriden, Baz#hello should remain
+# overriden
+class Baz < Foo
+  def hello
+    puts "crazy"
+  end
+end
+
+
+puts "Foo"
+f = Foo.new
+f.hello
+f.world
+puts
+
+puts "Bar"
+b = Bar.new
+b.hello
+b.world  
+puts
+
+puts "Baz"
+z = Baz.new
+z.hello
+z.world
+puts
+
+class Foo
+  def hello
+    puts "goodbye cruel"
+  end
+end
+
+puts "Foo:"
+f.hello
+f.world
+puts
+
+puts "Bar should be identical to Foo:"
+b.hello
+b.world
+puts
+
+puts "Baz overrode Foo#hello, so should be identical to Baz above"
+z.hello
+z.world

features/outputs/redefine.txt

@@ -0,0 +1,23 @@
+Foo
+hello
+world
+
+Bar
+hello
+world
+
+Baz
+crazy
+world
+
+Foo:
+goodbye cruel
+world
+
+Bar should be identical to Foo:
+goodbye cruel
+world
+
+Baz overrode Foo#hello, so should be identical to Baz above
+crazy
+world