Unit test failed testTCPClientDisconnectImmediately

[zieckey]

[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from GtestObjectClass_testTCPClientDisconnectImmediately
[ RUN ] GtestObjectClass_testTCPClientDisconnectImmediately.testTCPClientDisconnectImmediately
I0317 23:12:49.081928 26211 connector.cc:20] Connector::Connector this=0x17d0cf0 raddr=cmake.org:80
I0317 23:12:49.082002 26211 sockets.cc:103] ParseFromIPPort inet_pton(AF_INET 'cmake.org', ...) rc=0. cmake.org is not a valid IP address. Maybe it is a hostname.
I0317 23:12:49.082123 26211 connector.cc:46] Try to connect cmake.org:80 status=kDisconnected
I0317 23:12:49.082337 26211 connector.cc:58] The remote address cmake.org:80 is a host, try to resolve its IP address.
I0317 23:12:49.082495 26211 dns_resolver.cc:19] DNSResolver::Start tid=140274208405312 this=0x17d0fc8
I0317 23:12:49.083032 26211 dns_resolver.cc:70] DNSResolver::AsyncWait tid=140274208405312 this=0x17d0fc8
I0317 23:12:49.083163 26211 connector.cc:70] Cancel to connect cmake.org:80 status=kDNSResolving
I0317 23:12:49.083231 26211 dns_resolver.cc:89] DNSResolver::OnCanceled tid=140274208405312 this=0x17d0fc8
I0317 23:12:49.083343 26211 dns_resolver.cc:12] DNSResolver::~DNSResolver tid=140274208405312 this=0x17d0fc8
I0317 23:12:49.083474 26211 tcp_client.cc:73] Failed to connect to cmake.org:80. errno=9 Bad file descriptor
I0317 23:12:49.083529 26211 tcp_conn.cc:32] TCPConn::[] this=0x17d16d0 channel=0 fd=-1
I0317 23:12:49.083592 26211 invoke_timer.cc:10] InvokeTimer::InvokeTimer tid=140274208405312 this=0x17d0df0
I0317 23:12:49.083636 26211 invoke_timer.cc:24] InvokeTimer::Start tid=140274208405312 this=0x17d0df0 refcount=2
I0317 23:12:49.083734 26211 tcp_conn.cc:36] TCPConn::~TCPConn() name= this=0x17d16d0 channel=0 fd=-1 type=0 status=kDisconnected
W0317 23:12:49.083869 26211 dns_resolver.cc:129] dns resolve cancel, may be timeout
I0317 23:12:49.083904 26211 dns_resolver.cc:132] delete dns base

[zieckey]

Fixed