+#
+# Tests of IPv4 sockets
+#
+server PORT_S 11
+QUERY-1
+>LF>ANSWER-1
+>*eof
+QUERY-2
+>>ANSWER-2
+>*eof
+QUERY-3
+>LF>ANSWER-3
+>*eof
+QUERY-4
+>LF>ANSWER-4
+>*eof
+>>ANSWER-5
+>*eof
+*sleep 1
+>*eof
+>*eof
+QUERY-8
+*sleep 2
+*eof
+QUERY-9
+*sleep 2
+*eof
+QUERY-10
+>LF>ANSWER-10
+>*eof
+>LF>ANSWER-11
+>*eof
+****
+millisleep 500
+exim -be
+ipv4 cases
+1 ANSWER-1 >>${readsocket{inet:thisloop:PORT_S}{QUERY-1\n}}<<
+2 ANSWER-2 >>${readsocket{inet:127.0.0.1:PORT_S}{QUERY-2\n}}<<
+3 ANSWER-3*EOL* >>${readsocket{inet:127.0.0.1:PORT_S}{QUERY-3\n}{2s}{*EOL*}}<<
+4 ANSWER-4*EOL* >>${readsocket{inet:127.0.0.1:PORT_S}{QUERY-4\n}{2s}{*EOL*}{sock error}}<<
+5 ANSWER-5 >>${readsocket{inet:127.0.0.1:PORT_S}{}}<<
+6 >>${readsocket{inet:127.0.0.1:PORT_S}{QUERY-6\n}}<<
+7 >>${readsocket{inet:127.0.0.1:PORT_S}{QUERY-7\n}{1s}{}{sock error}}<<
+8 read timed out >>${readsocket{inet:127.0.0.1:PORT_S}{QUERY-8\n}{1s}}<<
+9 sock error >>${readsocket{inet:127.0.0.1:PORT_S}{QUERY-9\n}{1s}{}{sock error}}<<
+10 ANSWER-10\\n >>${readsocket{inet:badloop:PORT_S}{QUERY-10\n}}<<
+11 ANSWER-11 >>${readsocket{inet:thisloop:PORT_S}{QUERY-11\n}{2s:shutdown=no}}<<
+****
+#
+exim -be
+crash-regression-check >>${readsocket{inet:127.0.0.1:PORT_N}{}{}}<<
+****
+#
+# Caching of response value
+server DIR/test-socket 3
+QUERY-1
+>LF>ANSWER-1
+>*eof
+QUERY-2
+>LF>ANSWER-2
+>*eof
+QUERY-1
+>LF>ANSWER-1
+>*eof
+****
+millisleep 500
+exim -be
+caching of response value
+1 >>${readsocket{DIR/test-socket}{QUERY-1\n}{5s:cache=yes}}<<
+1+ >>${readsocket{DIR/test-socket}{QUERY-1\n}{5s:cache=yes}}<<
+2 >>${readsocket{DIR/test-socket}{QUERY-2\n}{5s:cache=yes}}<<
+2- >>${readsocket{DIR/test-socket2}{QUERY-2\n}{5s:cache=yes}{}{expected failure}}<<
+1- >>${readsocket{DIR/test-socket2}{QUERY-1\n}{5s:cache=yes}{}{expected failure}}<<
+1+ >>${readsocket{DIR/test-socket}{QUERY-1\n}{5s:cache=yes}}<<
+1- >>${readsocket{DIR/test-socket}{QUERY-1\n}{5s}}<<
+****