BOOST_CHECK_EQUAL( addr3, INet6Address::from_string("1200::21") );
BOOST_CHECK_EQUAL( INet6Address::from_inet4address(INet4Address(0x01020304)),
INet6Address::from_string("::ffff:1.2.3.4") );
+ BOOST_CHECK( INet6Address::from_inet4address(INet4Address(0x01020304)).inet4Mapped());
BOOST_CHECK_THROW( INet6Address::from_string("1.2.3.4"), UnknownHostnameException );
BOOST_CHECK_EQUAL( INet6Address::from_string("1.2.3.4", INet6Address::ResolveINet4),