failing test case + fix for Collection#[]

lib/mongo/collection.rb

@@ -53,7 +53,7 @@ module Mongo
     # :name :: the name of the collection to get
     def [](name)
       name = "#{self.name}.#{name}"
-      return Collection.new(self, name) if !db.strict? || db.collection_names.include?(name)
+      return Collection.new(db, name) if !db.strict? || db.collection_names.include?(name)
       raise "Collection #{name} doesn't exist. Currently in strict mode."
     end
 

test/test_collection.rb

@@ -42,6 +42,10 @@ class TestCollection < Test::Unit::TestCase
     assert_kind_of Collection, @@db["test"]["foo"]
     assert_equal @@db["test"]["foo"].name(), @@db.collection("test.foo").name()
     assert_equal @@db["test"]["foo"].name(), @@db["test.foo"].name()
+
+    @@db["test"]["foo"].clear
+    @@db["test"]["foo"].insert("x" => 5)
+    assert_equal 5, @@db.collection("test.foo").find_one()["x"]
   end
 
   def test_safe_insert