Packets: extended description of bad_cast exception in Packet.as()

[senf.git] / senf / Packets / Packet.test.cc

diff --git a/senf/Packets/Packet.test.cc b/senf/Packets/Packet.test.cc
index 49c9ba0..b2191c8 100644 (file)
--- a/senf/Packets/Packet.test.cc
+++ b/senf/Packets/Packet.test.cc
@@ -160,6 +160,9 @@ SENF_AUTO_UNIT_TEST(packet)
     senf::Packet packet (FooPacket::create());
     BarPacket::createAfter(packet);
 
+    BOOST_CHECK_THROW( senf::Packet().as<BarPacket>(), senf::WrapException<std::bad_cast> );
+    BOOST_CHECK_THROW( packet.as<BarPacket>(), senf::WrapException<std::bad_cast> );
+
     BOOST_REQUIRE( packet );
     BOOST_CHECK( packet.next() );
     BOOST_CHECK( ! packet.next().next(senf::nothrow) );