+#
+# Tests of IPv4 sockets
+#
+server PORT_S 18
+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-11a
+>*eof
+QUERY-11
+>LF>ANSWER-11b
+>*eof
+QUERY-12
+>>ANSWER-12\x0d\x0aANSWER-12\x0d\x0a
+>*eof
+QUERY-13
+>>ANSWER-13\x0d\x0aANSWER-13\x0d\x0a
+>*eof
+QUERY-14
+>>ANSWER-14\x0d\x0aANSWER-14\x0d\x0a
+>*eof
+QUERY-15
+>>ANSWER-15\x0d\x0aANSWER-15\x0d\x0a
+>*eof
+QUERY-16
+>>ANSWER-16\x0d\x0aANSWER-16\x0d\x0a
+>*eof
+QUERY-17
+>>ANSWER-17\x0d\x0aANSWER-17\x0d\x0a
+>*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-11a >>${readsocket{inet:thisloop:PORT_S}{QUERY-11\n}{2s:shutdown=no}}<<
+11 ANSWER-11b >>${readsocket{inet:thisloop:PORT_S}{QUERY-11\n}{2s:shutdown=no}}<<
+
+eol-replacement arg
+12 ANSWER-12x2 (no arg) >>${escape:${readsocket{inet:127.0.0.1:PORT_S}{QUERY-12\n}{2s}}}<<
+13 ANSWER-13x2 (empty arg) >>${escape:${readsocket{inet:127.0.0.1:PORT_S}{QUERY-13\n}{2s}{}}}<<
+14 ANSWER-14x2 X >>${escape:${readsocket{inet:127.0.0.1:PORT_S}{QUERY-14\n}{2s}{X}}}<<
+15 ANSWER-15x2 XYZZY >>${escape:${readsocket{inet:127.0.0.1:PORT_S}{QUERY-15\n}{2s}{XYZZY}}}<<
+16 ANSWER-16x2 (space) >>${escape:${readsocket{inet:127.0.0.1:PORT_S}{QUERY-16\n}{2s}{ }}}<<
+17 ANSWER-17x2 (newline) >>${escape:${readsocket{inet:127.0.0.1:PORT_S}{QUERY-17\n}{2s}{\n}}}<<
+****
+#
+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}}<<
+****