+AT_BANNER([MATCH FILES])
+
+m4_define([PREPARE_MATCH_FILES],
+ [AT_DATA([data1.txt], [dnl
+1aB
+8aM
+3aE
+5aG
+0aA
+5aH
+6aI
+7aJ
+2aD
+7aK
+1aC
+7aL
+4aF
+])
+
+ AT_DATA([data2.txt], [dnl
+1bN
+3bO
+4bP
+6bQ
+7bR
+9bS
+])
+
+ AT_DATA([prepare.sps], [dnl
+DATA LIST NOTABLE FILE='data1.txt' /a b c 1-3 (A).
+SAVE OUTFILE='data1.sav'.
+DATA LIST NOTABLE FILE='data2.txt' /a b c 1-3 (A).
+SAVE OUTFILE='data2.sav'.
+])
+ AT_CHECK([pspp -O format=csv prepare.sps])
+ AT_CHECK([test -f data1.sav && test -f data2.sav])])
+
+dnl CHECK_MATCH_FILES(TYPE2, SOURCE1, SOURCE2)
+dnl
+dnl Checks the MATCH FILES procedure with the specified combination of:
+dnl
+dnl - TYPE2: Either "file" or "table" for the type of matching used for
+dnl the second data source. (The first data source is always "file").
+dnl
+dnl - SOURCE1: Either "system" or "active" for the source of data for
+dnl the first data source.
+dnl
+dnl - SOURCE2: Either "system" or "active" for the source of data for
+dnl the second data source. (SOURCE1 and SOURCE2 may not both be
+dnl "active".)
+m4_define([CHECK_MATCH_FILES],
+ [AT_SETUP([MATCH FILES -- $2 file and $3 $1])
+ PREPARE_MATCH_FILES
+ AT_DATA([expout],
+ [m4_if([$1], [file], [dnl
+Table: Data List
+a,b,c,d,ina,inb,first,last
+0,a,A,,1,0,1,1
+1,a,B,N,1,1,1,0
+1,a,C,,1,0,0,1
+2,a,D,,1,0,1,1
+3,a,E,O,1,1,1,1
+4,a,F,P,1,1,1,1
+5,a,G,,1,0,1,0
+5,a,H,,1,0,0,1
+6,a,I,Q,1,1,1,1
+7,a,J,R,1,1,1,0
+7,a,K,,1,0,0,0
+7,a,L,,1,0,0,1
+8,a,M,,1,0,1,1
+9,b,,S,0,1,1,1
+], [dnl
+Table: Data List
+a,b,c,d,ina,inb,first,last
+0,a,A,,1,0,1,1
+1,a,B,N,1,1,1,0
+1,a,C,N,1,1,0,1
+2,a,D,,1,0,1,1
+3,a,E,O,1,1,1,1
+4,a,F,P,1,1,1,1
+5,a,G,,1,0,1,0
+5,a,H,,1,0,0,1
+6,a,I,Q,1,1,1,1
+7,a,J,R,1,1,1,0
+7,a,K,R,1,1,0,0
+7,a,L,R,1,1,0,1
+8,a,M,,1,0,1,1
+])])
+
+ AT_DATA([match-files.sps], [dnl
+m4_if([$2], [active], [GET FILE='data1.sav'.],
+ [$3], [active], [GET FILE='data2.sav'.],
+ [])
+MATCH FILES
+ FILE=m4_if([$2], [active], [*], ['data1.sav']) /IN=ina /SORT
+ $1=m4_if([$3], [active], [*], ['data2.sav']) /in=inb /rename c=d
+ /BY a /FIRST=first /LAST=last.
+LIST.
+])
+ AT_CHECK([pspp -o pspp.csv match-files.sps])
+ AT_CHECK([cat pspp.csv], [0], [expout])
+ AT_CLEANUP])
+
+CHECK_MATCH_FILES([file], [system], [system])
+CHECK_MATCH_FILES([file], [system], [active])
+CHECK_MATCH_FILES([file], [active], [system])
+CHECK_MATCH_FILES([table], [system], [system])
+CHECK_MATCH_FILES([table], [system], [active])
+CHECK_MATCH_FILES([table], [active], [system])
+
+AT_SETUP([MATCH FILES parallel match])
+PREPARE_MATCH_FILES
+AT_DATA([match-files.sps], [dnl
+MATCH FILES FILE='data1.sav' /FILE='data2.sav' /RENAME (a b c=d e f).
+LIST.
+])
+AT_CHECK([pspp -o pspp.csv match-files.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Data List
+a,b,c,d,e,f
+1,a,B,1,b,N
+8,a,M,3,b,O
+3,a,E,4,b,P
+5,a,G,6,b,Q
+0,a,A,7,b,R
+5,a,H,9,b,S
+6,a,I,,,
+7,a,J,,,
+2,a,D,,,
+7,a,K,,,
+1,a,C,,,
+7,a,L,,,
+4,a,F,,,
+])
+AT_CLEANUP
+
+dnl Test bug handling TABLE from active file found by John Darrington.
+AT_SETUP([MATCH FILES bug with TABLE from active file])
+AT_DATA([match-files.sps], [dnl
+DATA LIST LIST NOTABLE /x * y *.
+BEGIN DATA
+3 30
+2 21
+1 22
+END DATA.
+
+SAVE OUTFILE='bar.sav'.
+
+DATA LIST LIST NOTABLE /x * z *.
+BEGIN DATA
+3 8
+2 9
+END DATA.
+
+MATCH FILES TABLE=* /FILE='bar.sav' /BY=x.
+LIST.
+])
+AT_CHECK([pspp -o pspp.csv match-files.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Data List
+x,z,y
+3.00,8.00,30.00
+2.00,. ,21.00
+1.00,. ,22.00
+])
+AT_CLEANUP
+
+dnl Tests for a bug which caused MATCH FILES to crash
+dnl when used with scratch variables.
+AT_SETUP([MATCH FILES bug with scratch variables])
+AT_DATA([match-files.sps], [dnl
+DATA LIST LIST /w * x * y * .
+BEGIN DATA
+4 5 6
+1 2 3
+END DATA.
+
+COMPUTE j=0.
+LOOP #k = 1 to 10.
+COMPUTE j=#k + j.
+END LOOP.
+
+MATCH FILES FILE=* /DROP=w.
+LIST.
+FINISH.
+])
+AT_CHECK([pspp -o pspp.csv match-files.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+w,F8.0
+x,F8.0
+y,F8.0
+
+Table: Data List
+x,y,j
+5.00,6.00,55.00
+2.00,3.00,55.00
+])
+AT_CLEANUP