spec/coercions/test_dup.rb in myrrha-1.2.1 vs spec/coercions/test_dup.rb in myrrha-1.2.2

@@ -1,28 +1,40 @@
 require 'spec_helper'
 module Myrrha
   describe "Coercions#dup" do
     let(:rules){ Coercions.new{|r|
-      r.coercion String, Integer, lambda{|s,t| Integer(s)}
+      r.coercion String, Integer, lambda{|s,t| Integer(s) }
+      r.coercion Array,  Integer, lambda{|s,t|
+        s.inject(0){|sum,x| sum + r.apply(x,t)}
+      }
     }}
-    
+
     it "should duplicate the rules" do
       rules.dup.coerce("12", Integer).should eql(12)
+      rules.dup.coerce(["12", "10"], Integer).should eql(22)
     end
-    
+
     it "should not touch the original" do
       dupped = rules.dup.append do |r|
         r.coercion String, Float, lambda{|s,t| Float(s)}
       end
       dupped.coerce("12", Float).should eql(12.0)
       lambda{ rules.coerce("12", Float) }.should raise_error(Myrrha::Error)
     end
-    
+
     it "should not forget main_target_domain" do
       rules = Coercions.new do |r|
         r.main_target_domain = Integer
       end
       rules.dup.main_target_domain.should eql(Integer)
     end
-      
+
+    it 'should apply inheritance in a intuitive way' do
+      dupped = rules.dup.append do |r|
+        r.coercion Float, Integer, lambda{|s,t| s.round}
+      end
+      dupped.coerce(12.15, Integer).should eq(12)
+      dupped.coerce([12.15, 10], Integer).should eq(22)
+    end
+
   end
-end
\ No newline at end of file
+end