-m4_define([CHECK_UPDATE],
+dnl PSPP - a program for statistical analysis.
+dnl Copyright (C) 2017 Free Software Foundation, Inc.
+dnl
+dnl This program is free software: you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation, either version 3 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
+dnl m4_define([CHECK_UPDATE],
[AT_SETUP([UPDATE $1 with $2])
AT_DATA([a.data], [dnl
1aB
])
AT_DATA([b.data], [dnl
1bN
-3bO
+3 O
4bP
6bQ
7bR
BY a.
LIST.
])
+ cat update.sps
AT_CHECK([pspp -O format=csv update.sps], [0], [dnl
update.sps:6: warning: UPDATE: Encountered 3 sets of duplicate cases in the master file.
1,b,B,N,1,1
1,a,C,,1,0
2,a,D,,1,0
-3,b,E,O,1,1
+3,a,E,O,1,1
4,b,F,P,1,1
5,a,G,,1,0
5,a,H,,1,0