delete needed missing test

CHANGELOG

@@ -1,2 +1,2 @@
 
-v0.0.1. First version.
+v0.5. First release.

README

@@ -17,15 +17,17 @@ Very new. Risky in production.
 
 == Features
 
-* very clean API
+* clean API
 * robust access to all memcached features
 * multiple hashing modes, including consistent hashing
-* ludicrous speed
+* ludicrous speed, including optional non-blocking IO
 
 == Requirements
 
 * {libmemcached 0.13}[http://tangent.org/552/libmemcached.html]
 
+Other versions of libmemcached are not supported.
+
 Extract the tarball, then for Linux, run:
   ./configure
   make && sudo make install

test/unit/memcached_test.rb

@@ -155,6 +155,13 @@ def test_delete
     end
   end  
 
+  def test_missing_delete
+    @cache.delete key rescue nil
+    assert_raise(Memcached::NotFound) do
+      @cache.delete key
+    end
+  end  
+
   def test_add
     @cache.delete key rescue nil
     @cache.add key, @value
@@ -206,7 +213,6 @@ def test_missing_increment
 
   def test_decrement
     @cache.set key, 10, 0, false
-    assert_equal 5, @cache.decrement(key, 5)
     assert_equal 9, @cache.decrement(key)
   end