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: 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

AT_SETUP([INPUT PROGRAM taking shorter of two files])
AT_DATA([input-program.sps], [dnl
INPUT PROGRAM.
    DATA LIST NOTABLE FILE='a.txt'/X 1-10.
    DATA LIST NOTABLE FILE='b.txt'/Y 1-10.
END INPUT PROGRAM.
LIST.
])
AT_DATA([short.txt], [dnl
1
2
3
])
AT_DATA([long.txt], [dnl
4
5
6
7
])

cp short.txt a.txt
cp long.txt b.txt
AT_CHECK([pspp -O format=csv input-program.sps], 0, [dnl
Table: Data List
X,Y
1,4
2,5
3,6
])

cp short.txt b.txt
cp long.txt a.txt
AT_CHECK([pspp -O format=csv input-program.sps], 0, [dnl
Table: Data List
X,Y
4,1
5,2
6,3
])
AT_CLEANUP

AT_SETUP([INPUT PROGRAM taking longer of two files])
AT_DATA([input-program.sps], [dnl
INPUT PROGRAM.
    NUMERIC #A #B.

    DO IF NOT #A.
        DATA LIST NOTABLE END=#A FILE='a.txt'/X 1-10.
    END IF.
    DO IF NOT #B.
        DATA LIST NOTABLE END=#B FILE='b.txt'/Y 1-10.
    END IF.
    DO IF #A AND #B.
        END FILE.
    END IF.
    END CASE.
END INPUT PROGRAM.
LIST.
])
AT_DATA([short.txt], [dnl
1
2
3
])
AT_DATA([long.txt], [dnl
4
5
6
7
8
])

cp short.txt a.txt
cp long.txt b.txt
AT_CHECK([pspp -O format=csv input-program.sps], 0, [dnl
Table: Data List
X,Y
1,4
2,5
3,6
.,7
.,8
])

cp short.txt b.txt
cp long.txt a.txt
AT_CHECK([pspp -O format=csv input-program.sps], 0, [dnl
Table: Data List
X,Y
4,1
5,2
6,3
7,.
8,.
])
AT_CLEANUP

AT_SETUP([INPUT PROGRAM concatenating two files - version 1])
AT_DATA([input-program.sps], [dnl
INPUT PROGRAM.
    NUMERIC #A #B.

    DO IF #A.
        DATA LIST NOTABLE END=#B FILE='b.txt'/X 1-10.
        DO IF #B.
            END FILE.
        ELSE.
            END CASE.
        END IF.
    ELSE.
        DATA LIST NOTABLE END=#A FILE='a.txt'/X 1-10.
        DO IF NOT #A.
            END CASE.
        END IF.
    END IF.
END INPUT PROGRAM.
LIST.
])
AT_DATA([a.txt], [dnl
1
2
3
])
AT_DATA([b.txt], [dnl
4
5
6
7
8
])

AT_CHECK([pspp -O format=csv input-program.sps], 0, [dnl
Table: Data List
X
1
2
3
4
5
6
7
8
])
AT_CLEANUP

AT_SETUP([INPUT PROGRAM concatenating two files - version 2])
AT_DATA([input-program.sps], [dnl
INPUT PROGRAM.
    NUMERIC #EOF.

    LOOP IF NOT #EOF.
        DATA LIST NOTABLE END=#EOF FILE='a.txt'/X 1-10.
        DO IF NOT #EOF.
            END CASE.
        END IF.
    END LOOP.

    COMPUTE #EOF = 0.
    LOOP IF NOT #EOF.
        DATA LIST NOTABLE END=#EOF FILE='b.txt'/X 1-10.
        DO IF NOT #EOF.
            END CASE.
        END IF.
    END LOOP.

    END FILE.
END INPUT PROGRAM.
LIST.
])
AT_DATA([a.txt], [dnl
1
2
3
])
AT_DATA([b.txt], [dnl
4
5
6
7
8
])

AT_CHECK([pspp -O format=csv input-program.sps], 0, [dnl
Table: Data List
X
1
2
3
4
5
6
7
8
])
AT_CLEANUP

AT_SETUP([INPUT PROGRAM generating data])
AT_DATA([input-program.sps], [dnl
INPUT PROGRAM.
    LOOP #I=1 TO 10.
        COMPUTE X=#I.
        END CASE.
    END LOOP.
    END FILE.
END INPUT PROGRAM.
FORMAT X(F2).
LIST.
])
AT_CHECK([pspp -O format=csv input-program.sps], 0, [dnl
Table: Data List
X
1
2
3
4
5
6
7
8
9
10
])
AT_CLEANUP

AT_SETUP([INPUT PROGRAM unexpected end of file])
AT_DATA([input-program.sps], [dnl
INPUT PROGRAM.
])
AT_CHECK([pspp input-program.sps], 1, [dnl
error: INPUT PROGRAM: Unexpected end-of-file within INPUT PROGRAM.
])
AT_CLEANUP


AT_SETUP([INPUT PROGRAM no variables])
AT_DATA([input-program.sps], [dnl
INPUT PROGRAM.
END FILE.
END INPUT PROGRAM.
])
AT_CHECK([pspp input-program.sps], 1, [dnl
input-program.sps:3: error: INPUT PROGRAM: Input program did not create any
variables.
])
AT_CLEANUP