AT_BANNER([CHARTS Rudimentary run tests])

dnl Check that the charts work
dnl Currently, "work" means that the commands which
dnl should generate them, run without crashing.
dnl Better tests will come later (hopefully)

AT_SETUP([Examine])
AT_DATA([charts.sps],[
input program.
loop #i = 1 to 1000.
 compute x  = rv.normal (56, 3) + rv.uniform (1, 1).
 compute y  = rv.normal (6, 2) + rv.uniform (1, 2).
 compute A  = rv.uniform (-1, 1).
  compute A = (A > 0).
 end case.
end loop.
end file.
end input program.

examine x y by a
	/plot = histogram, npplot spreadlevel(1)
	.

examine x y by a
	/compare = groups
	/plot = boxplot
	.

examine x y by a
	/compare = variables
	/plot = boxplot
	.
])

AT_CHECK([pspp -O format=csv charts.sps], [0], [ignore])

AT_CLEANUP

AT_SETUP([Roc])
AT_DATA([roc.sps],[
data list list /fred * group * w *.
begin data.
99  0 1000
99  1 3
97  0 908
97  1 2
95  0 904
96  1 7
94  1 9
93  0 823
93  1 12
90  0 723
90  1 42
84  0 523
84  1 98
73  0 500
75  1 180
63  0 520
69  1 320
60  0 510
60  1 418
50  0 488
54  1 432
46  0 428
43  1 528
36  0 324
36  1 612
26  0 294
28  1 682
20  0 119
20  1 719
10  0 97
10  1 809
end data.

weight by w.

compute bert = fred + (group < 0.5) * 45.
compute charlie = fred + (group > 0.5) * 15.


ROC /fred bert charlie by group (0)
	/plot = curve (reference).

])

AT_CHECK([pspp -O format=csv roc.sps], [0], [ignore])

AT_CLEANUP




AT_SETUP([Scree])
AT_DATA([scree.sps],[
input program.
vector vec(10).
loop #i = 1 to 100.
 loop #v = 1 to 3.
 compute vec(#v) = rv.normal (0, 45).
 end loop.
 loop #v = 4 to 10.
 compute vec(#v) = vec (#v - 3) + rv.normal (0, 30).
 end loop.
 end case.
end loop.
end file.
end input program.


factor /variables = all
        /print initial
	/plot = eigen.

])

AT_CHECK([pspp -O format=csv scree.sps], [0], [ignore])

AT_CLEANUP


AT_SETUP([Histogram])
AT_DATA([histogram.sps],[
* This test is designed to "torture" the code which
  generates histograms.  It is no-crash test. However
  the code is rich in assertions, so any problems we
  hope will be caught there.
  

input program.
loop #i = 1 to 1000.
 compute pos  = rv.normal (56, 3) + rv.uniform (1, 1).
 compute neg  = rv.normal (-86, 2) + rv.uniform (1, 1).
 compute pn  = rv.normal (0, 2) + rv.uniform (1, 2).
 compute A  = rv.uniform (-1, 1).
  compute A = (A > 0).
 end case.
end loop.
end file.
end input program.


examine pos neg pn by a
	/plot = histogram
	.

frequencies pos neg pn
	/format=notable
	/histogram=normal.
])


dnl The --testing-mode flag is important!!
AT_CHECK([pspp --testing-mode -O format=csv histogram.sps], [0], [ignore])

AT_CLEANUP