test/test_cursor.rb in mongo-0.18.2 vs test/test_cursor.rb in mongo-0.18.3

@@ -1,6 +1,7 @@
 require 'test/test_helper'
+require 'logger'
 
 # NOTE: assumes Mongo is running
 class CursorTest < Test::Unit::TestCase
 
   include Mongo
@@ -15,15 +16,10 @@
     @@coll.remove
     @@coll.insert('a' => 1)     # collection not created until it's used
     @@coll_full_name = 'ruby-mongo-test.test'
   end
 
-  def teardown
-    @@coll.remove
-    @@db.error
-  end
-
   def test_explain
     cursor = @@coll.find('a' => 1)
     explaination = cursor.explain
     assert_not_nil explaination['cursor']
     assert_kind_of Numeric, explaination['n']
@@ -108,9 +104,45 @@
     assert_equal 2000, @@coll.find().sort([:created_at, :asc]).next_document["created_at"].year
     assert_equal 2004, @@coll.find().sort([:created_at, :desc]).next_document["created_at"].year
 
     assert_equal 2000, @@coll.find().sort([[:created_at, :asc]]).next_document["created_at"].year
     assert_equal 2004, @@coll.find().sort([[:created_at, :desc]]).next_document["created_at"].year
+  end
+
+  def test_sort_min_max_keys
+    @@coll.remove
+    @@coll.insert({"n" => 1000000})
+    @@coll.insert({"n" => -1000000})
+    @@coll.insert({"n" => MaxKey.new})
+    @@coll.insert({"n" => MinKey.new})
+
+    results = @@coll.find.sort([:n, :asc]).to_a
+
+    assert_equal MinKey.new, results[0]['n']
+    assert_equal -1000000,   results[1]['n']
+    assert_equal 1000000,    results[2]['n']
+    assert_equal MaxKey.new, results[3]['n']
+  end
+
+  def test_id_range_queries
+    @@coll.remove
+
+    t1 = Time.now
+    t1_id = ObjectID.from_time(t1)
+    @@coll.save({:t => 't1'})
+    @@coll.save({:t => 't1'})
+    @@coll.save({:t => 't1'})
+    sleep(2)
+    t2 = Time.now
+    t2_id = ObjectID.from_time(t2)
+    @@coll.save({:t => 't2'})
+    @@coll.save({:t => 't2'})
+    @@coll.save({:t => 't2'})
+
+    assert_equal 3, @@coll.find({'_id' => {'$gt' => t1_id}, '_id' => {'$lt' => t2_id}}).count
+    @@coll.find({'_id' => {'$gt' => t2_id}}).each do |doc|
+      assert_equal 't2', doc['t']
+    end
   end
 
   def test_limit
     @@coll.remove