decoder for data_timestamp

ext/cbson/cbson.c

@@ -611,6 +611,16 @@ static VALUE get_value(const char* buffer, int* position, int type) {
             *position += 4;
             break;
         }
+    case 17:
+        {
+            int i;
+            int j;
+            memcpy(&i, buffer + *position, 4);
+            memcpy(&j, buffer + *position + 4, 4);
+            value = rb_ary_new3(2, LL2NUM(i), LL2NUM(j));
+            *position += 8;
+            break;
+        }
     default:
         {
             rb_raise(rb_eTypeError, "no c decoder for this type yet (%d)", type);

lib/mongo/util/bson.rb

@@ -46,6 +46,7 @@ class BSON
   SYMBOL = 14
   CODE_W_SCOPE = 15
   NUMBER_INT = 16
+  TIMESTAMP = 17
   MAXKEY = 127
 
   if RUBY_VERSION >= '1.9'
@@ -199,6 +200,10 @@ class BSON
         when CODE_W_SCOPE
           key = deserialize_cstr(@buf)
           doc[key] = deserialize_code_w_scope_data(@buf)
+        when TIMESTAMP
+          key = deserialize_cstr(@buf)
+          doc[key] = [deserialize_number_int_data(@buf),
+                      deserialize_number_int_data(@buf)]
         when EOO
           break
         else

tests/test_bson.rb

@@ -181,6 +181,15 @@ class BSONTest < Test::Unit::TestCase
     assert_equal '_id', roundtrip.keys.first
   end
 
+  def test_timestamp
+    val = {"test" => [4, 20]}
+    assert_equal val, @b.deserialize([0x13, 0x00, 0x00, 0x00,
+                                      0x11, 0x74, 0x65, 0x73,
+                                      0x74, 0x00, 0x04, 0x00,
+                                      0x00, 0x00, 0x14, 0x00,
+                                      0x00, 0x00, 0x00])
+  end
+
   def test_do_not_change_original_object
     val = OrderedHash.new
     val['not_id'] = 1