test: verify new --write-out variables

Extended test 1029 and added 1188

tests/data/Makefile.inc

@@ -139,6 +139,8 @@ test1160 test1161 test1162 test1163 test1164 test1165 test1166 test1167 \
 test1168          test1170 test1171 test1172 test1173 test1174 test1175 \
 test1176 test1177 test1178 test1179 \
 \
+test1188 \
+\
 test1190 test1191 test1192 test1193 test1194 test1195 test1196 test1197 \
 test1198 test1199 \
 test1200 test1201 test1202 test1203 test1204 test1205 test1206 test1207 \

tests/data/test1029

@@ -30,7 +30,7 @@ http
 HTTP Location: and 'redirect_url' check
  </name>
 <command>
-http://%HOSTIP:%HTTPPORT/we/want/our/1029 -w '%{redirect_url}\n'
+http://%HOSTIP:%HTTPPORT/we/want/our/1029 -w '%{redirect_url} %{url} %{exitcode} %{errormsg}\n'
 </command>
 </client>
 
@@ -50,7 +50,7 @@ Content-Length: 62
 Connection: close
 
 This server reply is for testing a simple Location: following
-http://%HOSTIP:%HTTPPORT/we/want/our/data/10290002.txt?coolsite=yes
+http://%HOSTIP:%HTTPPORT/we/want/our/data/10290002.txt?coolsite=yes http://%HOSTIP:%HTTPPORT/we/want/our/1029 0 No error
 </stdout>
 </verify>
 </testcase>

tests/data/test1188

@@ -0,0 +1,47 @@
+<testcase>
+<info>
+<keywords>
+HTTP
+HTTP GET
+--write-out
+</keywords>
+</info>
+
+# Server-side
+<reply>
+<data nocheck="yes">
+HTTP/1.1 200 OK
+Content-Length: 3
+Connection: close
+
+hi
+</data>
+</reply>
+
+# Client-side
+<client>
+<server>
+http
+</server>
+ <name>
+--write-out with %{onerror} and %{urlnum} to stderr
+ </name>
+<command>
+http://%HOSTIP:%NOLISTENPORT/we/want/our/1188 http://%HOSTIP:%HTTPPORT/we/want/our/1188 -w '%{onerror}%{stderr}%{urlnum} says %{exitcode} %{errormsg}\n' -s
+</command>
+</client>
+
+# Verify data after the test has been "shot"
+<verify>
+<protocol>
+GET /we/want/our/1188 HTTP/1.1
+Host: %HOSTIP:%HTTPPORT
+User-Agent: curl/%VERSION
+Accept: */*
+
+</protocol>
+<stderr mode="text">
+0 says 7 Failed to connect to %HOSTIP port %NOLISTENPORT: Connection refused
+</stderr>
+</verify>
+</testcase>