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([INPUT PROGRAM])

dnl Tests for a bug which caused a crash when 
dnl reading invalid INPUT PROGRAM syntax.
AT_SETUP([INPUT PROGRAM invalid syntax crash])
AT_DATA([input-program.sps], [dnl
INPUT PROGRAM.
DATA LIST NOTABLE /a 1-9.
BEGIN DATA
123456789
END DATA.
END INPUT PROGRAM.
])
AT_CHECK([pspp -O format=csv input-program.sps], [1], [dnl
input-program.sps:3: error: BEGIN DATA: BEGIN DATA is not allowed inside INPUT PROGRAM.
])
AT_CLEANUP

dnl Tests for bug #21108, a crash when 
dnl reading invalid INPUT PROGRAM syntax.
AT_SETUP([INPUT PROGRAM invalid syntax crash])
AT_DATA([input-program.sps], [dnl
INPUT PROGRAM.
DATA LIST LIST NOTABLE /x.
END FILE.
END INPUT PROGRAM.

DESCRIPTIVES x.
])
AT_CHECK([pspp -O format=csv input-program.sps], [1], [dnl
error: DESCRIPTIVES: Syntax error at end of input: expecting BEGIN.
])
AT_CLEANUP

dnl Tests for bug #38782, an infinite loop processing an empty input program.
AT_SETUP([INPUT PROGRAM infinite loop])
AT_DATA([input-program.sps], [dnl
INPUT PROGRAM.
STRING firstname lastname (a24) / address (a80).
END INPUT PROGRAM.
EXECUTE.
])
AT_CHECK([pspp -O format=csv input-program.sps], [1], [dnl
input-program.sps:3: error: Input program must contain DATA LIST or END FILE.

input-program.sps:4: error: EXECUTE: EXECUTE is allowed only after the active dataset has been defined.
])
AT_CLEANUP

dnl Tests for bug #39097, a bug when an INPUT PROGRAM used VECTOR, was
dnl followed immediately by a call to proc_execute() (here via DATASET
dnl COPY), and then the input was actually used.
AT_SETUP([INPUT PROGRAM with VECTOR and EXECUTE])
AT_DATA([input-program.sps], [dnl
INPUT PROGRAM.
VECTOR vec(5).
LOOP #c = 1 to 10.
 LOOP #v = 1 to 5.
  COMPUTE vec(#v) = #v.
 END LOOP.
 END CASE.
END LOOP.
END FILE.
END INPUT PROGRAM.
DATASET COPY x.
LIST.
])
AT_CHECK([pspp -O format=csv input-program.sps], [0], [dnl
Table: Data List
vec1,vec2,vec3,vec4,vec5
1.00,2.00,3.00,4.00,5.00
1.00,2.00,3.00,4.00,5.00
1.00,2.00,3.00,4.00,5.00
1.00,2.00,3.00,4.00,5.00
1.00,2.00,3.00,4.00,5.00
1.00,2.00,3.00,4.00,5.00
1.00,2.00,3.00,4.00,5.00
1.00,2.00,3.00,4.00,5.00
1.00,2.00,3.00,4.00,5.00
1.00,2.00,3.00,4.00,5.00
])
AT_CLEANUP