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([command parser])

AT_SETUP([command parser negative tests])
AT_DATA([command.sps], [dnl
DATA X.
XYZZY.
CLOSE FILE XYZZY.
foo.
])
AT_CHECK([pspp command.sps], [1], [dnl
command.sps:1.1-1.6: error: Unknown command `DATA X'.
    1 | DATA X.
      | ^~~~~~

command.sps:2.1-2.5: error: Unknown command `XYZZY'.
    2 | XYZZY.
      | ^~~~~

command.sps:3.1-3.16: error: Unknown command `CLOSE FILE XYZZY'.
    3 | CLOSE FILE XYZZY.
      | ^~~~~~~~~~~~~~~~

command.sps:4.1-4.3: error: Unknown command `foo'.
    4 | foo.
      | ^~~
])
AT_CLEANUP

dnl Tests for a bug which crashed pspp when given certain invalid input.
AT_SETUP([command parser crash bug])
AT_DATA([command.sps], [dnl
DATA rubbish.
EXECUTE.
])
AT_CHECK([pspp -O format=csv command.sps], [1], [dnl
"command.sps:1.1-1.12: error: Unknown command `DATA rubbish'.
    1 | DATA rubbish.
      | ^~~~~~~~~~~~"

"command.sps:2.1-2.7: error: EXECUTE: EXECUTE is allowed only after the active dataset has been defined.
    2 | EXECUTE.
      | ^~~~~~~"
])
AT_CLEANUP

dnl Tests for a bug where FINISH or EXIT wasn't executed until the lexer
dnl read the first token of the next command.
dnl
dnl (If this recurs, the test will run forever.)
AT_SETUP([FINISH executes immediately])
AT_CHECK([(echo "FINISH."; while echo ; do true; done) | pspp], [0], [ignore], [ignore])
AT_CLEANUP

AT_BANNER([ERASE])

AT_SETUP([ERASE -- safer mode])
AT_DATA([foobar], [contents
])
AT_DATA([erase.sps], [dnl
set safer on

erase FILE='foobar'.
])
AT_CHECK([pspp -O format=csv erase.sps], [1], [dnl
"erase.sps:3.1-3.5: error: ERASE: This command not allowed when the SAFER option is set.
    3 | erase FILE='foobar'.
      | ^~~~~"
])
AT_CHECK([cat foobar], [0], [contents
])
AT_CLEANUP

AT_SETUP([ERASE -- not safer mode])
AT_DATA([foobar], [contents
])
AT_CHECK([test -e foobar])
AT_DATA([erase.sps], [dnl
erase FILE='foobar'.
])
AT_CHECK([pspp -O format=csv erase.sps])
AT_CHECK([test ! -e foobar])
AT_CLEANUP

AT_BANNER([N OF CASES])

AT_SETUP([N OF CASES])
AT_DATA([n-of-cases.sps], [dnl
INPUT PROGRAM.
LOOP #i = 1 TO 100.
COMPUTE x=#i.
END CASE.
END LOOP.
END FILE.
END INPUT PROGRAM.

N OF CASES 15.

LIST.
])
AT_CHECK([pspp -O format=csv n-of-cases.sps], [0], [dnl
Table: Data List
x
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
9.00
10.00
11.00
12.00
13.00
14.00
15.00
])
AT_CLEANUP

AT_BANNER([COMMENT])

dnl Tests for a bug wherein a comment just before end-of-file caused an
dnl infinite loop.
AT_SETUP([COMMENT at end of file])
AT_DATA([comment.sps], [dnl
COMMENT this is a comment at end of file.
])
AT_CHECK([pspp -O format=csv comment.sps])
AT_CLEANUP