From 75eb1917f9331dcd7c54e707d431b041b7b6d0d9 Mon Sep 17 00:00:00 2001
From: Yura Sokolov <yura@yura-laptop.(none)>
Date: Tue, 25 May 2010 14:28:29 +0400
Subject: [PATCH] add test for single `cannot` definition

---
 spec/cancan/ability_spec.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/spec/cancan/ability_spec.rb b/spec/cancan/ability_spec.rb
index cb43747..698b4a6 100644
--- a/spec/cancan/ability_spec.rb
+++ b/spec/cancan/ability_spec.rb
@@ -148,6 +148,16 @@ describe CanCan::Ability do
     
   end
   
+  it "should always return `false` for single cannot definition" do
+    @ability.cannot :read, Integer do |int|
+      int > 10 ? nil : ( int > 5 )
+    end
+    @ability.can?(:read, "foo").should be_false
+    @ability.can?(:read, 3).should be_false
+    @ability.can?(:read, 8).should be_false
+    @ability.can?(:read, 123).should be_false
+  end
+  
   it "should pass to previous cannot definition, if block returns false or nil" do
     @ability.cannot :read, :all
     @ability.can :read, Integer do |int|