[GRPH-51] Created unit test for bitshares issue #325

tests/tests/database_tests.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 Cryptonomex, Inc., and contributors.
+ * Copyright (c) 2017 Cryptonomex, Inc., and contributors.
  *
  * The MIT License
  *
@@ -34,6 +34,8 @@
 
 using namespace graphene::chain;
 
+BOOST_FIXTURE_TEST_SUITE( database_tests, database_fixture )
+
 BOOST_AUTO_TEST_CASE( undo_test )
 {
    try {
@@ -59,3 +61,34 @@ BOOST_AUTO_TEST_CASE( undo_test )
       throw;
    }
 }
+
+BOOST_AUTO_TEST_CASE( flat_index_test )
+{
+   ACTORS((sam));
+   const auto& bitusd = create_bitasset("USDBIT", sam.id);
+   update_feed_producers(bitusd, {sam.id});
+   price_feed current_feed;
+   current_feed.settlement_price = bitusd.amount(100) / asset(100);
+   publish_feed(bitusd, sam, current_feed);
+   FC_ASSERT( bitusd.bitasset_data_id->instance == 0 );
+   FC_ASSERT( !(*bitusd.bitasset_data_id)(db).current_feed.settlement_price.is_null() );
+   try {
+      auto ses = db._undo_db.start_undo_session();
+      const auto& obj1 = db.create<asset_bitasset_data_object>( [&]( asset_bitasset_data_object& obj ){
+          obj.settlement_fund = 17;
+      });
+      FC_ASSERT( obj1.settlement_fund == 17 );
+      throw std::string("Expected");
+      // With flat_index, obj1 will not really be removed from the index
+   } catch ( const std::string& e )
+   { // ignore
+   }
+
+   // force maintenance
+   const auto& dynamic_global_props = db.get<dynamic_global_property_object>(dynamic_global_property_id_type());
+   generate_blocks(dynamic_global_props.next_maintenance_time, true);
+
+   FC_ASSERT( !(*bitusd.bitasset_data_id)(db).current_feed.settlement_price.is_null() );
+}
+
+BOOST_AUTO_TEST_SUITE_END()