strengthening the test suite for rescue_from

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

activesupport/test/rescuable_test.rb

@@ -9,6 +9,9 @@ class NuclearExplosion < StandardError
 class MadRonon < StandardError
 end
 
+class CoolError < StandardError
+end
+
 class Stargate
   attr_accessor :result
 
@@ -54,9 +57,23 @@ def sos_first
 
 end
 
+class CoolStargate < Stargate
+  attr_accessor :result
+
+  include ActiveSupport::Rescuable
+
+  rescue_from CoolError, :with => :sos_cool_error
+
+  def sos_cool_error
+    @result = 'sos_cool_error'
+  end
+end
+
+
 class RescueableTest < Test::Unit::TestCase
   def setup
     @stargate = Stargate.new
+    @cool_stargate = CoolStargate.new
   end
 
   def test_rescue_from_with_method
@@ -80,4 +97,10 @@ def test_rescues_defined_later_are_added_at_end_of_the_rescue_handlers_array
     assert_equal expected, result
   end
 
+  def test_children_should_inherit_rescue_defintions_from_parents_and_child_rescue_should_be_appended
+    expected = ["WraithAttack", "WraithAttack", "NuclearExplosion", "MadRonon", "CoolError"]
+    result = @cool_stargate.send(:rescue_handlers).collect {|e| e.first}
+    assert_equal expected, result
+  end
+
 end