+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
AT_BANNER([SORT CASES])
m4_divert_push([PREPARE_TESTS])
SORT_CASES_TEST(50000, 1)
+dnl Bug #33089 caused SORT CASES to delete filtered cases permanently.
+AT_SETUP([SORT CASES preserves filtered cases])
+AT_DATA([sort-cases.sps], [dnl
+DATA LIST FREE /x.
+BEGIN DATA.
+5 4 3 2 1 0
+END DATA.
+COMPUTE mod2 = MOD(x, 2).
+LIST.
+FILTER BY mod2.
+LIST.
+SORT CASES BY x.
+LIST.
+FILTER OFF.
+LIST.
+])
+AT_CHECK([pspp -O format=csv sort-cases.sps], [0], [dnl
+Table: Data List
+x,mod2
+5.00,1.00
+4.00,.00
+3.00,1.00
+2.00,.00
+1.00,1.00
+.00,.00
+
+Table: Data List
+x,mod2
+5.00,1.00
+3.00,1.00
+1.00,1.00
+
+Table: Data List
+x,mod2
+1.00,1.00
+3.00,1.00
+5.00,1.00
+
+Table: Data List
+x,mod2
+.00,.00
+1.00,1.00
+2.00,.00
+3.00,1.00
+4.00,.00
+5.00,1.00
+])
+AT_CLEANUP