From 49429d9821d57667afe29f2ead5402fa198a3a96 Mon Sep 17 00:00:00 2001
From: Ben Pfaff <blp@cs.stanford.edu>
Date: Mon, 4 Oct 2010 22:10:48 -0700
Subject: [PATCH] T-TEST: Convert tests to Autotest framework.

---
 tests/automake.mk                             |  17 +-
 tests/bugs/t-test-alpha.sh                    | 116 ---
 tests/bugs/t-test-alpha2.sh                   |  89 ---
 tests/bugs/t-test-alpha3.sh                   | 108 ---
 tests/bugs/t-test-paired.sh                   | 105 ---
 tests/bugs/t-test-with-temp.sh                | 111 ---
 tests/bugs/t-test.sh                          |  83 --
 tests/command/t-test-1-indep-val.sh           | 119 ---
 tests/command/t-test-1-sample-missing-anal.sh | 112 ---
 tests/command/t-test-1-sample-missing-list.sh | 112 ---
 tests/command/t-test-1s.sh                    | 100 ---
 tests/command/t-test-groups.sh                | 115 ---
 tests/command/t-test-indep-missing-anal.sh    | 114 ---
 tests/command/t-test-indep-missing-list.sh    | 112 ---
 tests/command/t-test-paired-missing-anal.sh   | 112 ---
 tests/command/t-test-paired-missing-list.sh   | 112 ---
 tests/command/t-test-pairs.sh                 | 105 ---
 tests/language/stats/t-test.at                | 746 ++++++++++++++++++
 18 files changed, 747 insertions(+), 1741 deletions(-)
 delete mode 100755 tests/bugs/t-test-alpha.sh
 delete mode 100755 tests/bugs/t-test-alpha2.sh
 delete mode 100755 tests/bugs/t-test-alpha3.sh
 delete mode 100755 tests/bugs/t-test-paired.sh
 delete mode 100755 tests/bugs/t-test-with-temp.sh
 delete mode 100755 tests/bugs/t-test.sh
 delete mode 100755 tests/command/t-test-1-indep-val.sh
 delete mode 100755 tests/command/t-test-1-sample-missing-anal.sh
 delete mode 100755 tests/command/t-test-1-sample-missing-list.sh
 delete mode 100755 tests/command/t-test-1s.sh
 delete mode 100755 tests/command/t-test-groups.sh
 delete mode 100755 tests/command/t-test-indep-missing-anal.sh
 delete mode 100755 tests/command/t-test-indep-missing-list.sh
 delete mode 100755 tests/command/t-test-paired-missing-anal.sh
 delete mode 100755 tests/command/t-test-paired-missing-list.sh
 delete mode 100755 tests/command/t-test-pairs.sh
 create mode 100644 tests/language/stats/t-test.at

diff --git a/tests/automake.mk b/tests/automake.mk
index b3ad2b43..2eb2c4b3 100644
--- a/tests/automake.mk
+++ b/tests/automake.mk
@@ -10,16 +10,6 @@ TESTS_ENVIRONMENT += LC_ALL=C
 TESTS_ENVIRONMENT += EXEEXT=$(EXEEXT)
 
 dist_TESTS = \
-	tests/command/t-test-1-indep-val.sh \
-	tests/command/t-test-1-sample-missing-anal.sh \
-	tests/command/t-test-1-sample-missing-list.sh \
-	tests/command/t-test-1s.sh \
-	tests/command/t-test-groups.sh \
-	tests/command/t-test-indep-missing-anal.sh \
-	tests/command/t-test-indep-missing-list.sh \
-	tests/command/t-test-paired-missing-anal.sh \
-	tests/command/t-test-paired-missing-list.sh \
-	tests/command/t-test-pairs.sh \
 	tests/command/trimmed-mean.sh \
 	tests/command/tabs.sh \
 	tests/command/update.sh \
@@ -62,12 +52,6 @@ dist_TESTS = \
 	tests/bugs/random.sh \
 	tests/bugs/shbang.sh \
 	tests/bugs/signals.sh \
-	tests/bugs/t-test-with-temp.sh \
-	tests/bugs/t-test.sh \
-	tests/bugs/t-test-alpha.sh \
-	tests/bugs/t-test-alpha2.sh \
-	tests/bugs/t-test-alpha3.sh \
-	tests/bugs/t-test-paired.sh \
 	tests/bugs/temporary.sh \
 	tests/bugs/unwritable-dir.sh \
 	tests/bugs/val-labs.sh \
@@ -374,6 +358,7 @@ TESTSUITE_AT = \
 	tests/language/stats/reliability.at \
 	tests/language/stats/roc.at \
 	tests/language/stats/sort-cases.at \
+	tests/language/stats/t-test.at \
 	tests/language/utilities/insert.at \
 	tests/language/utilities/permissions.at \
 	tests/language/utilities/set.at \
diff --git a/tests/bugs/t-test-alpha.sh b/tests/bugs/t-test-alpha.sh
deleted file mode 100755
index a6fd5d9b..00000000
--- a/tests/bugs/t-test-alpha.sh
+++ /dev/null
@@ -1,116 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST works when the independent
-# variable is alpha
-# BUG #11227
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program"
-cat > $TESTFILE <<EOF
-data list list /ID * INDEP (a1) DEP1 * DEP2 *.
-begin data.
-1  'a' 1 3
-2  'a' 2 4
-3  'a' 2 4 
-4  'a' 2 4 
-5  'a' 3 5
-6  'b' 3 1
-7  'b' 4 2
-8  'b' 4 2
-9  'b' 4 2
-10 'b' 5 3
-11 'c' 2 2
-end data.
-
-
-t-test /GROUPS=indep('a','b') /var=dep1 dep2.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="compare output"
-diff -c $TEMPDIR/pspp.csv - <<EOF
-Table: Reading free-form data from INLINE.
-Variable,Format
-ID,F8.0
-INDEP,A1
-DEP1,F8.0
-DEP2,F8.0
-
-Table: Group Statistics
-,INDEP,N,Mean,Std. Deviation,S.E. Mean
-DEP1,a,5,2.00,.71,.32
-,b,5,4.00,.71,.32
-DEP2,a,5,4.00,.71,.32
-,b,5,2.00,.71,.32
-
-Table: Independent Samples Test
-,,Levene's Test for Equality of Variances,,t-test for Equality of Means,,,,,,
-,,,,,,,,,95% Confidence Interval of the Difference,
-,,F,Sig.,t,df,Sig. (2-tailed),Mean Difference,Std. Error Difference,Lower,Upper
-DEP1,Equal variances assumed,.00,1.00,-4.47,8.00,.00,-2.00,.45,-3.03,-.97
-,Equal variances not assumed,,,-4.47,8.00,.00,-2.00,.45,-3.03,-.97
-DEP2,Equal variances assumed,.00,1.00,4.47,8.00,.00,2.00,.45,.97,3.03
-,Equal variances not assumed,,,4.47,8.00,.00,2.00,.45,.97,3.03
-EOF
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/bugs/t-test-alpha2.sh b/tests/bugs/t-test-alpha2.sh
deleted file mode 100755
index 8814560f..00000000
--- a/tests/bugs/t-test-alpha2.sh
+++ /dev/null
@@ -1,89 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST fails gracefully when 
-#  a single alpha variable is specified for the independent variable
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program"
-cat > $TESTFILE <<EOF
-data list list /id * indep (a1) dep1 * dep2 *.
-begin data.
-1  'a' 1 3
-2  'a' 2 4
-3  'a' 2 4 
-4  'a' 2 4 
-5  'a' 3 5
-6  'b' 3 1
-7  'b' 4 2
-8  'b' 4 2
-9  'b' 4 2
-10 'b' 5 3
-11 'c' 2 2
-end data.
-
-
-t-test /GROUPS=indep('a') /var=dep1 dep2.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE > /dev/null
-#invert  v
-if [ $? -eq 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/bugs/t-test-alpha3.sh b/tests/bugs/t-test-alpha3.sh
deleted file mode 100755
index ffe142dc..00000000
--- a/tests/bugs/t-test-alpha3.sh
+++ /dev/null
@@ -1,108 +0,0 @@
-#!/bin/sh
-
-# This program tests for a bug which didn't properly
-# compare string values.
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_srcdir and top_builddir  are absolute
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-top_srcdir=`cd $top_srcdir; pwd`
-top_builddir=`cd $top_builddir; pwd`
-
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-LANG=C
-export LANG
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR"
-     	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-cat >> $TESTFILE <<EOF
-data list list /x * gv (a8).
-begin data.
-3   One
-2   One
-3   One
-2   One
-3   One
-4   Two
-3.5 Two
-3.0 Two
-end data.
-
-t-test group=gv('One', 'Two')
-	/variables = x.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="compare output"
-diff -c $TEMPDIR/pspp.csv - << EOF
-Table: Reading free-form data from INLINE.
-Variable,Format
-x,F8.0
-gv,A8
-
-Table: Group Statistics
-,gv,N,Mean,Std. Deviation,S.E. Mean
-x,One     ,5,2.60,.55,.24
-,Two     ,3,3.50,.50,.29
-
-Table: Independent Samples Test
-,,Levene's Test for Equality of Variances,,t-test for Equality of Means,,,,,,
-,,,,,,,,,95% Confidence Interval of the Difference,
-,,F,Sig.,t,df,Sig. (2-tailed),Mean Difference,Std. Error Difference,Lower,Upper
-x,Equal variances assumed,1.13,.33,-2.32,6.00,.06,-.90,.38,-1.83,.03
-,Equal variances not assumed,,,-2.38,4.70,.07,-.90,.38,-1.89,.09
-EOF
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass;
diff --git a/tests/bugs/t-test-paired.sh b/tests/bugs/t-test-paired.sh
deleted file mode 100755
index 29c556a5..00000000
--- a/tests/bugs/t-test-paired.sh
+++ /dev/null
@@ -1,105 +0,0 @@
-#!/bin/sh
-
-# This program tests for a bug in the paired samples T test.
-# Thanks to Mike Griffiths for reporting this problem.
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_srcdir and top_builddir  are absolute
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-top_srcdir=`cd $top_srcdir; pwd`
-top_builddir=`cd $top_builddir; pwd`
-
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-LANG=C
-export LANG
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR"
-     	return ; 
-     fi
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-cat >> $TESTFILE <<EOF
-set format f8.3.
-data list list /A * B *.
-begin data.
-11 2
-1  1
-1  1
-end data.
-
-t-test pairs = a with b (paired).
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="compare output"
-diff -c $TEMPDIR/pspp.csv - << EOF
-Table: Reading free-form data from INLINE.
-Variable,Format
-A,F8.0
-B,F8.0
-
-Table: Paired Sample Statistics
-,,Mean,N,Std. Deviation,S.E. Mean
-Pair 0,A,4.333,3,5.774,3.333
-,B,1.333,3,.577,.333
-
-Table: Paired Samples Correlations
-,,N,Correlation,Sig.
-Pair 0,A & B,3,1.000,.000
-
-Table: Paired Samples Test
-,,Paired Differences,,,,,,,
-,,,,,95% Confidence Interval of the Difference,,,,
-,,Mean,Std. Deviation,Std. Error Mean,Lower,Upper,t,df,Sig. (2-tailed)
-Pair 0,A - B,3.000,5.196,3.000,-9.908,15.908,1.000,2,.423
-EOF
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass;
diff --git a/tests/bugs/t-test-with-temp.sh b/tests/bugs/t-test-with-temp.sh
deleted file mode 100755
index 2c007edb..00000000
--- a/tests/bugs/t-test-with-temp.sh
+++ /dev/null
@@ -1,111 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST 
-# works ok with a TEMPORARY transformation
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program"
-cat > $TESTFILE <<EOF
-data list list /ind * x * .
-begin data.
-1 3.5
-1 2.0
-1 2.0
-2 3.5
-2 3.0
-2 4.0
-end data.
-
-t-test /groups=ind(1,2) /var x.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="copy output"
-cp $TEMPDIR/pspp.csv $TEMPDIR/first.csv
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="create program 2"
-cat > $TESTFILE <<EOF
-data list list /ind * x * .
-begin data.
-1 3.5
-1 2.0
-1 2.0
-2 3.5
-2 3.0
-2 4.0
-2 9.0
-end data.
-
-TEMPORARY.
-SELECT IF ind < 7.
-
-t-test /groups=ind(1,2) /var x.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="compare output"
-perl -pi -e 's/^\s*$//g' $TEMPDIR/pspp.csv $TEMPDIR/first.csv
-diff -b $TEMPDIR/pspp.csv $TEMPDIR/first.csv
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/bugs/t-test.sh b/tests/bugs/t-test.sh
deleted file mode 100755
index c0a23776..00000000
--- a/tests/bugs/t-test.sh
+++ /dev/null
@@ -1,83 +0,0 @@
-#!/bin/sh
-
-# This program tests for a bug which caused T-TEST to 
-# crash when given invalid syntax
-
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program"
-cat > $TESTFILE <<EOF
-DATA LIST LIST /id * a * .
-BEGIN DATA.
-1 3.5
-2 2.0
-3 2.0
-4 3.5
-5 3.0
-6 4.0
-END DATA.
-
-T-TEST /testval=2.0 .
-T-TEST /groups=id(3) .
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-#The syntax was invalid.  Therefore pspp must return non zero.
-activity="run program"
-$SUPERVISOR $PSPP -o pspp.csv -e /dev/null $TESTFILE 
-if [ $? -ne 1 ] ; then fail ; fi
-
-pass;
diff --git a/tests/command/t-test-1-indep-val.sh b/tests/command/t-test-1-indep-val.sh
deleted file mode 100755
index ab248051..00000000
--- a/tests/command/t-test-1-indep-val.sh
+++ /dev/null
@@ -1,119 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST /GROUPS command works properly 
-# when a single value in the independent variable is given.
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program"
-cat > $TESTFILE <<EOF
-data list list /INDEP * DEP *.
-begin data.
-       1        6
-       1        6
-       1        7
-       1        6
-       1       13
-       1        4
-       1        7
-       1        9
-       1        7
-       1       12
-       1       11
-       2       11
-       2        9
-       2        8
-       2        4
-       2       16
-       2        9
-       2        9
-       2        5
-       2        4
-       2       10
-       2       14
-end data.
-t-test /groups=indep(1.514) /var=dep.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="compare output"
-diff -c $TEMPDIR/pspp.csv - <<EOF
-Table: Reading free-form data from INLINE.
-Variable,Format
-INDEP,F8.0
-DEP,F8.0
-
-Table: Group Statistics
-,INDEP,N,Mean,Std. Deviation,S.E. Mean
-DEP,>=1.514,11,9.00,3.82,1.15
-,<1.514,11,8.00,2.86,.86
-
-Table: Independent Samples Test
-,,Levene's Test for Equality of Variances,,t-test for Equality of Means,,,,,,
-,,,,,,,,,95% Confidence Interval of the Difference,
-,,F,Sig.,t,df,Sig. (2-tailed),Mean Difference,Std. Error Difference,Lower,Upper
-DEP,Equal variances assumed,.17,.68,-.69,20.00,.50,-1.00,1.44,-4.00,2.00
-,Equal variances not assumed,,,-.69,18.54,.50,-1.00,1.44,-4.02,2.02
-EOF
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/command/t-test-1-sample-missing-anal.sh b/tests/command/t-test-1-sample-missing-anal.sh
deleted file mode 100755
index 99fed5ca..00000000
--- a/tests/command/t-test-1-sample-missing-anal.sh
+++ /dev/null
@@ -1,112 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST /TESTVAL command works OK
-# when there are per analysis missing values involved.
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program 1"
-cat > $TESTFILE <<EOF
-data list list /id * x1 * x2.
-begin data.
-1 3.5 34
-2 2.0 10
-3 2.0 23
-4 3.5 98
-5 3.0 23
-67 4.0 8
-end data.
-
-t-test /testval=3.0 /var=x1 x2.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program 1"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="copy output"
-cp $TEMPDIR/pspp.csv $TEMPDIR/ref.csv
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="create program 2"
-cat > $TESTFILE <<EOF
-data list list /id * x1 * x2.
-begin data.
-1 3.5 34
-2 2.0 10
-3 2.0 23
-4 3.5 98
-5 3.0 23
-6 4.0 .
-7  .  8
-end data.
-
-t-test /missing=analysis /testval=3.0 /var=x1 x2.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="run program 2"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="compare outputs"
-diff $TEMPDIR/ref.csv $TEMPDIR/pspp.csv
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/command/t-test-1-sample-missing-list.sh b/tests/command/t-test-1-sample-missing-list.sh
deleted file mode 100755
index 558a42a6..00000000
--- a/tests/command/t-test-1-sample-missing-list.sh
+++ /dev/null
@@ -1,112 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST /TESTVAL command works OK
-# when there are listwise missing values involved.
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program 1"
-cat > $TESTFILE <<EOF
-data list list /id * x1 * x2.
-begin data.
-1 3.5 34
-2 2.0 10
-3 2.0 23
-4 3.5 98
-5 3.0 23
-end data.
-
-t-test /testval=3.0 /var=x1 x2.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program 1"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="copy output"
-cp $TEMPDIR/pspp.csv $TEMPDIR/ref.csv
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="create program 2"
-cat > $TESTFILE <<EOF
-data list list /id * x1 * x2.
-begin data.
-1 3.5 34
-2 2.0 10
-3 2.0 23
-4 3.5 98
-5 3.0 23
-6 4.0 99
-end data.
-
-MISSING VALUES x2(99).
-
-t-test /missing=listwise /testval=3.0 /var=x1 x2.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="run program 2"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="compare outputs"
-diff $TEMPDIR/ref.csv $TEMPDIR/pspp.csv
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/command/t-test-1s.sh b/tests/command/t-test-1s.sh
deleted file mode 100755
index 1692e7f8..00000000
--- a/tests/command/t-test-1s.sh
+++ /dev/null
@@ -1,100 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST /TESTVAL command works OK
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program"
-cat > $TESTFILE <<EOF
-data list list /ID * ABC *.
-begin data.
-1 3.5
-2 2.0
-3 2.0
-4 3.5
-5 3.0
-6 4.0
-end data.
-
-t-test /testval=2.0 /var=abc.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="compare output"
-diff -c $TEMPDIR/pspp.csv - <<EOF
-Table: Reading free-form data from INLINE.
-Variable,Format
-ID,F8.0
-ABC,F8.0
-
-Table: One-Sample Statistics
-,N,Mean,Std. Deviation,S.E. Mean
-ABC,6,3.00,.84,.34
-
-Table: One-Sample Test
-,Test Value = 2.000000,,,,,
-,,,,,95% Confidence Interval of the Difference,
-,t,df,Sig. (2-tailed),Mean Difference,Lower,Upper
-ABC,2.93,5,.03,1.00,.12,1.88
-EOF
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/command/t-test-groups.sh b/tests/command/t-test-groups.sh
deleted file mode 100755
index cd13deeb..00000000
--- a/tests/command/t-test-groups.sh
+++ /dev/null
@@ -1,115 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST /GROUPS command works
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program"
-cat > $TESTFILE <<EOF
-data list list /ID * INDEP * DEP1 * DEP2 *.
-begin data.
-1  1.1 1 3
-2  1.1 2 4
-3  1.1 2 4 
-4  1.1 2 4 
-5  1.1 3 5
-6  2.1 3 1
-7  2.1 4 2
-8  2.1 4 2
-9  2.1 4 2
-10 2.1 5 3
-11 3.1 2 2
-end data.
-
-* Note that this last case should be IGNORED since it doesn't have a dependent variable of either 1 or 2
-
-t-test /GROUPS=indep(1.1,2.1) /var=dep1 dep2.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="compare output"
-diff -c $TEMPDIR/pspp.csv - <<EOF
-Table: Reading free-form data from INLINE.
-Variable,Format
-ID,F8.0
-INDEP,F8.0
-DEP1,F8.0
-DEP2,F8.0
-
-Table: Group Statistics
-,INDEP,N,Mean,Std. Deviation,S.E. Mean
-DEP1,1.1,5,2.00,.71,.32
-,2.1,5,4.00,.71,.32
-DEP2,1.1,5,4.00,.71,.32
-,2.1,5,2.00,.71,.32
-
-Table: Independent Samples Test
-,,Levene's Test for Equality of Variances,,t-test for Equality of Means,,,,,,
-,,,,,,,,,95% Confidence Interval of the Difference,
-,,F,Sig.,t,df,Sig. (2-tailed),Mean Difference,Std. Error Difference,Lower,Upper
-DEP1,Equal variances assumed,.00,1.00,-4.47,8.00,.00,-2.00,.45,-3.03,-.97
-,Equal variances not assumed,,,-4.47,8.00,.00,-2.00,.45,-3.03,-.97
-DEP2,Equal variances assumed,.00,1.00,4.47,8.00,.00,2.00,.45,.97,3.03
-,Equal variances not assumed,,,4.47,8.00,.00,2.00,.45,.97,3.03
-EOF
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/command/t-test-indep-missing-anal.sh b/tests/command/t-test-indep-missing-anal.sh
deleted file mode 100755
index 2813f4ba..00000000
--- a/tests/command/t-test-indep-missing-anal.sh
+++ /dev/null
@@ -1,114 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST /GROUPS command works OK
-# when ANALYSIS missing values are involved
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program 1"
-cat > $TESTFILE <<EOF
-data list list /id * indep * dep1 * dep2 *.
-begin data.
-1  1.0 3.5 6
-2  1.0 2.0 5
-3  1.0 2.0 4
-4  2.0 3.5 3
-56 2.0 3.0 1
-end data.
-
-t-test /group=indep /var=dep1, dep2.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program 1"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="copy output"
-cp $TEMPDIR/pspp.csv $TEMPDIR/ref.csv
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="create program 2"
-cat > $TESTFILE <<EOF
-data list list /id * indep * dep1 * dep2.
-begin data.
-1 1.0 3.5 6
-2 1.0 2.0 5
-3 1.0 2.0 4
-4 2.0 3.5 3
-5 2.0 3.0 .
-6 2.0 .   1
-7  .  3.1 5
-end data.
-
-* Note that if the independent variable is missing, then it's implicitly 
-* listwise missing.
-
-t-test /missing=analysis /group=indep /var=dep1 dep2.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="run program 2"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="compare outputs"
-diff $TEMPDIR/ref.csv $TEMPDIR/pspp.csv 
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/command/t-test-indep-missing-list.sh b/tests/command/t-test-indep-missing-list.sh
deleted file mode 100755
index 9820a920..00000000
--- a/tests/command/t-test-indep-missing-list.sh
+++ /dev/null
@@ -1,112 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST /GROUPS command works OK
-# when LISTWISE missing values are involved
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program 1"
-cat > $TESTFILE <<EOF
-data list list /id * indep * dep1 * dep2.
-begin data.
-1 1.0 3.5 6
-2 1.0 2.0 5
-3 1.0 2.0 4
-4 2.0 3.5 3
-5 2.0 3.0 2
-6 2.0 4.0 1
-end data.
-
-t-test /group=indep /var=dep1 dep2.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program 1"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="copy output"
-cp $TEMPDIR/pspp.csv $TEMPDIR/ref.csv
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="create program 2"
-cat > $TESTFILE <<EOF
-data list list /id * indep * dep1 * dep2 *.
-begin data.
-1 1.0 3.5 6
-2 1.0 2.0 5
-3 1.0 2.0 4
-4 2.0 3.5 3
-5 2.0 3.0 2
-6 2.0 4.0 1
-7 2.0 .   0
-end data.
-
-t-test /missing=listwise,exclude /group=indep /var=dep1, dep2.
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="run program 2"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="compare outputs"
-diff $TEMPDIR/ref.csv $TEMPDIR/pspp.csv 
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/command/t-test-paired-missing-anal.sh b/tests/command/t-test-paired-missing-anal.sh
deleted file mode 100755
index d14f812a..00000000
--- a/tests/command/t-test-paired-missing-anal.sh
+++ /dev/null
@@ -1,112 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST /PAIRS command works OK
-# when there is per ANALYSIS missing data involved.
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program 1"
-cat > $TESTFILE <<EOF
-data list list /id * a * b * c * d *.
-begin data.
-1 2.0 3.0 4.0 4.0
-2 1.0 2.0 5.1 3.9
-3 2.0 4.5 5.2 3.8
-4 2.0 4.5 5.3 3.7
-56 3.0 6.0 5.9 3.6
-end data.
-
-t-test /PAIRS a c with b d (PAIRED). 
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program 1"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="copy output"
-mv $TEMPDIR/pspp.csv $TEMPDIR/ref.csv
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="create program 2"
-cat > $TESTFILE <<EOF
-data list list /id * a * b * c * d *.
-begin data.
-1 2.0 3.0 4.0 4.0 
-2 1.0 2.0 5.1 3.9
-3 2.0 4.5 5.2 3.8
-4 2.0 4.5 5.3 3.7
-5 3.0 6.0 5.9 .
-6 3.0  .  5.9 3.6
-end data.
-
-
-t-test /MISSING=analysis /PAIRS a c with b d (PAIRED). 
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program 2"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="compare outputs"
-diff $TEMPDIR/ref.csv $TEMPDIR/pspp.csv
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/command/t-test-paired-missing-list.sh b/tests/command/t-test-paired-missing-list.sh
deleted file mode 100755
index 47737121..00000000
--- a/tests/command/t-test-paired-missing-list.sh
+++ /dev/null
@@ -1,112 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST /PAIRS command works OK
-# when there is listwise missing data involved.
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program 1"
-cat > $TESTFILE <<EOF
-data list list /id * a * b * c * d *.
-begin data.
-1 2.0 3.0 4.0 4.0
-2 1.0 2.0 5.1 3.9
-3 2.0 4.5 5.2 3.8
-4 2.0 4.5 5.3 3.7
-5 3.0 6.0 5.9 3.6
-end data.
-
-t-test /PAIRS a b with c d (PAIRED). 
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program 1"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="copy output"
-mv $TEMPDIR/pspp.csv $TEMPDIR/ref.csv
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="create program 2"
-cat > $TESTFILE <<EOF
-data list list /id * a * b * c * d *.
-begin data.
-1 2.0 3.0 4.0 4.0 
-2 1.0 2.0 5.1 3.9
-3 2.0 4.5 5.2 3.8
-4 2.0 4.5 5.3 3.7
-5 3.0 6.0 5.9 3.6
-6 3.0 6.0 5.9  .
-end data.
-
-
-t-test /MISSING=listwise /PAIRS a b with c d (PAIRED). 
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program 2"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="compare outputs"
-diff $TEMPDIR/ref.csv $TEMPDIR/pspp.csv
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/command/t-test-pairs.sh b/tests/command/t-test-pairs.sh
deleted file mode 100755
index f35157a3..00000000
--- a/tests/command/t-test-pairs.sh
+++ /dev/null
@@ -1,105 +0,0 @@
-#!/bin/sh
-
-# This program tests that the T-TEST /PAIRS command works OK
-
-TEMPDIR=/tmp/pspp-tst-$$
-TESTFILE=$TEMPDIR/`basename $0`.sps
-
-# ensure that top_builddir  are absolute
-if [ -z "$top_builddir" ] ; then top_builddir=. ; fi
-if [ -z "$top_srcdir" ] ; then top_srcdir=. ; fi
-top_builddir=`cd $top_builddir; pwd`
-PSPP=$top_builddir/src/ui/terminal/pspp$EXEEXT
-
-# ensure that top_srcdir is absolute
-top_srcdir=`cd $top_srcdir; pwd`
-
-STAT_CONFIG_PATH=$top_srcdir/config
-export STAT_CONFIG_PATH
-
-
-cleanup()
-{
-     if [ x"$PSPP_TEST_NO_CLEANUP" != x ] ; then 
-	echo "NOT cleaning $TEMPDIR" 
-	return ; 
-     fi
-     cd /
-     rm -rf $TEMPDIR
-}
-
-
-fail()
-{
-    echo $activity
-    echo FAILED
-    cleanup;
-    exit 1;
-}
-
-
-no_result()
-{
-    echo $activity
-    echo NO RESULT;
-    cleanup;
-    exit 2;
-}
-
-pass()
-{
-    cleanup;
-    exit 0;
-}
-
-mkdir -p $TEMPDIR
-
-cd $TEMPDIR
-
-activity="create program"
-cat > $TESTFILE <<EOF
-data list list /ID * A * B *.
-begin data.
-1 2.0 3.0
-2 1.0 2.0
-3 2.0 4.5
-4 2.0 4.5
-5 3.0 6.0
-end data.
-
-t-test /PAIRS a with b (PAIRED).
-EOF
-if [ $? -ne 0 ] ; then no_result ; fi
-
-
-activity="run program"
-$SUPERVISOR $PSPP -o pspp.csv $TESTFILE
-if [ $? -ne 0 ] ; then no_result ; fi
-
-activity="compare output"
-diff -c $TEMPDIR/pspp.csv - <<EOF
-Table: Reading free-form data from INLINE.
-Variable,Format
-ID,F8.0
-A,F8.0
-B,F8.0
-
-Table: Paired Sample Statistics
-,,Mean,N,Std. Deviation,S.E. Mean
-Pair 0,A,2.00,5,.71,.32
-,B,4.00,5,1.54,.69
-
-Table: Paired Samples Correlations
-,,N,Correlation,Sig.
-Pair 0,A & B,5,.92,.03
-
-Table: Paired Samples Test
-,,Paired Differences,,,,,,,
-,,,,,95% Confidence Interval of the Difference,,,,
-,,Mean,Std. Deviation,Std. Error Mean,Lower,Upper,t,df,Sig. (2-tailed)
-Pair 0,A - B,-2.00,.94,.42,-3.16,-.84,-4.78,4,.01
-EOF
-if [ $? -ne 0 ] ; then fail ; fi
-
-
-pass
diff --git a/tests/language/stats/t-test.at b/tests/language/stats/t-test.at
new file mode 100644
index 00000000..80519fab
--- /dev/null
+++ b/tests/language/stats/t-test.at
@@ -0,0 +1,746 @@
+AT_BANNER([T-TEST])
+
+AT_SETUP([T-TEST /PAIRS])
+AT_DATA([t-test.sps], [dnl
+data list list /ID * A * B *.
+begin data.
+1 2.0 3.0
+2 1.0 2.0
+3 2.0 4.5
+4 2.0 4.5
+5 3.0 6.0
+end data.
+
+t-test /PAIRS a with b (PAIRED).
+])
+AT_CHECK([pspp -o pspp.csv t-test.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+ID,F8.0
+A,F8.0
+B,F8.0
+
+Table: Paired Sample Statistics
+,,Mean,N,Std. Deviation,S.E. Mean
+Pair 0,A,2.00,5,.71,.32
+,B,4.00,5,1.54,.69
+
+Table: Paired Samples Correlations
+,,N,Correlation,Sig.
+Pair 0,A & B,5,.92,.03
+
+Table: Paired Samples Test
+,,Paired Differences,,,,,,,
+,,,,,95% Confidence Interval of the Difference,,,,
+,,Mean,Std. Deviation,Std. Error Mean,Lower,Upper,t,df,Sig. (2-tailed)
+Pair 0,A - B,-2.00,.94,.42,-3.16,-.84,-4.78,4,.01
+])
+AT_CLEANUP
+
+AT_SETUP([T-TEST /PAIRS with per-analysis missing values])
+AT_DATA([ref.sps], [dnl
+data list list /id * a * b * c * d *.
+begin data.
+1 2.0 3.0 4.0 4.0
+2 1.0 2.0 5.1 3.9
+3 2.0 4.5 5.2 3.8
+4 2.0 4.5 5.3 3.7
+56 3.0 6.0 5.9 3.6
+end data.
+
+t-test /PAIRS a c with b d (PAIRED). 
+])
+AT_DATA([expout], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+id,F8.0
+a,F8.0
+b,F8.0
+c,F8.0
+d,F8.0
+
+Table: Paired Sample Statistics
+,,Mean,N,Std. Deviation,S.E. Mean
+Pair 0,a,2.00,5,.71,.32
+,b,4.00,5,1.54,.69
+Pair 1,c,5.10,5,.69,.31
+,d,3.80,5,.16,.07
+
+Table: Paired Samples Correlations
+,,N,Correlation,Sig.
+Pair 0,a & b,5,.92,.03
+Pair 1,c & d,5,-.92,.03
+
+Table: Paired Samples Test
+,,Paired Differences,,,,,,,
+,,,,,95% Confidence Interval of the Difference,,,,
+,,Mean,Std. Deviation,Std. Error Mean,Lower,Upper,t,df,Sig. (2-tailed)
+Pair 0,a - b,-2.00,.94,.42,-3.16,-.84,-4.78,4,.01
+Pair 1,c - d,1.30,.84,.37,.26,2.34,3.47,4,.03
+])
+AT_CHECK([pspp -o ref.csv ref.sps])
+AT_CHECK([cat ref.csv], [0], [expout])
+AT_DATA([missing.sps], [dnl
+data list list /id * a * b * c * d *.
+begin data.
+1 2.0 3.0 4.0 4.0 
+2 1.0 2.0 5.1 3.9
+3 2.0 4.5 5.2 3.8
+4 2.0 4.5 5.3 3.7
+5 3.0 6.0 5.9 .
+6 3.0  .  5.9 3.6
+end data.
+
+
+t-test /MISSING=analysis /PAIRS a c with b d (PAIRED). 
+])
+AT_CHECK([pspp -o missing.csv missing.sps])
+AT_CHECK([cat missing.csv], [0], [expout])
+AT_CLEANUP
+
+AT_SETUP([T-TEST /PAIRS with listwise missing values])
+AT_DATA([ref.sps], [dnl
+data list list /id * a * b * c * d *.
+begin data.
+1 2.0 3.0 4.0 4.0
+2 1.0 2.0 5.1 3.9
+3 2.0 4.5 5.2 3.8
+4 2.0 4.5 5.3 3.7
+5 3.0 6.0 5.9 3.6
+end data.
+
+t-test /PAIRS a b with c d (PAIRED). 
+])
+AT_DATA([expout], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+id,F8.0
+a,F8.0
+b,F8.0
+c,F8.0
+d,F8.0
+
+Table: Paired Sample Statistics
+,,Mean,N,Std. Deviation,S.E. Mean
+Pair 0,a,2.00,5,.71,.32
+,c,5.10,5,.69,.31
+Pair 1,b,4.00,5,1.54,.69
+,d,3.80,5,.16,.07
+
+Table: Paired Samples Correlations
+,,N,Correlation,Sig.
+Pair 0,a & c,5,.41,.49
+Pair 1,b & d,5,-.87,.05
+
+Table: Paired Samples Test
+,,Paired Differences,,,,,,,
+,,,,,95% Confidence Interval of the Difference,,,,
+,,Mean,Std. Deviation,Std. Error Mean,Lower,Upper,t,df,Sig. (2-tailed)
+Pair 0,a - c,-3.10,.76,.34,-4.04,-2.16,-9.14,4,.00
+Pair 1,b - d,.20,1.68,.75,-1.89,2.29,.27,4,.80
+])
+AT_CHECK([pspp -o ref.csv ref.sps])
+AT_CHECK([cat ref.csv], [0], [expout])
+AT_DATA([missing.sps], [dnl
+data list list /id * a * b * c * d *.
+begin data.
+1 2.0 3.0 4.0 4.0 
+2 1.0 2.0 5.1 3.9
+3 2.0 4.5 5.2 3.8
+4 2.0 4.5 5.3 3.7
+5 3.0 6.0 5.9 3.6
+6 3.0 6.0 5.9  .
+end data.
+
+
+t-test /MISSING=listwise /PAIRS a b with c d (PAIRED). 
+])
+AT_CHECK([pspp -o missing.csv missing.sps])
+AT_CHECK([cat missing.csv], [0], [expout])
+AT_CLEANUP
+
+dnl Tests for a bug in the paired samples T test.
+dnl Thanks to Mike Griffiths for reporting this problem.
+AT_SETUP([T-TEST /PAIRS bug])
+AT_DATA([t-test.sps], [dnl
+set format f8.3.
+data list list /A * B *.
+begin data.
+11 2
+1  1
+1  1
+end data.
+
+t-test pairs = a with b (paired).
+])
+AT_CHECK([pspp -o pspp.csv t-test.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+A,F8.0
+B,F8.0
+
+Table: Paired Sample Statistics
+,,Mean,N,Std. Deviation,S.E. Mean
+Pair 0,A,4.333,3,5.774,3.333
+,B,1.333,3,.577,.333
+
+Table: Paired Samples Correlations
+,,N,Correlation,Sig.
+Pair 0,A & B,3,1.000,.000
+
+Table: Paired Samples Test
+,,Paired Differences,,,,,,,
+,,,,,95% Confidence Interval of the Difference,,,,
+,,Mean,Std. Deviation,Std. Error Mean,Lower,Upper,t,df,Sig. (2-tailed)
+Pair 0,A - B,3.000,5.196,3.000,-9.908,15.908,1.000,2,.423
+])
+AT_CLEANUP
+
+AT_SETUP([T-TEST /GROUPS])
+AT_DATA([t-test.sps], [dnl
+data list list /ID * INDEP * DEP1 * DEP2 *.
+begin data.
+1  1.1 1 3
+2  1.1 2 4
+3  1.1 2 4 
+4  1.1 2 4 
+5  1.1 3 5
+6  2.1 3 1
+7  2.1 4 2
+8  2.1 4 2
+9  2.1 4 2
+10 2.1 5 3
+11 3.1 2 2
+end data.
+
+* Note that the last case should be IGNORED since it doesn't have a
+  dependent variable of either 1.1 or 2.1.
+
+t-test /GROUPS=indep(1.1,2.1) /var=dep1 dep2.
+])
+AT_CHECK([pspp -o pspp.csv t-test.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+ID,F8.0
+INDEP,F8.0
+DEP1,F8.0
+DEP2,F8.0
+
+Table: Group Statistics
+,INDEP,N,Mean,Std. Deviation,S.E. Mean
+DEP1,1.1,5,2.00,.71,.32
+,2.1,5,4.00,.71,.32
+DEP2,1.1,5,4.00,.71,.32
+,2.1,5,2.00,.71,.32
+
+Table: Independent Samples Test
+,,Levene's Test for Equality of Variances,,t-test for Equality of Means,,,,,,
+,,,,,,,,,95% Confidence Interval of the Difference,
+,,F,Sig.,t,df,Sig. (2-tailed),Mean Difference,Std. Error Difference,Lower,Upper
+DEP1,Equal variances assumed,.00,1.00,-4.47,8.00,.00,-2.00,.45,-3.03,-.97
+,Equal variances not assumed,,,-4.47,8.00,.00,-2.00,.45,-3.03,-.97
+DEP2,Equal variances assumed,.00,1.00,4.47,8.00,.00,2.00,.45,.97,3.03
+,Equal variances not assumed,,,4.47,8.00,.00,2.00,.45,.97,3.03
+])
+AT_CLEANUP
+
+AT_SETUP([T-TEST /GROUPS with one value for independent variable])
+AT_DATA([t-test.sps], [dnl
+data list list /INDEP * DEP *.
+begin data.
+       1        6
+       1        6
+       1        7
+       1        6
+       1       13
+       1        4
+       1        7
+       1        9
+       1        7
+       1       12
+       1       11
+       2       11
+       2        9
+       2        8
+       2        4
+       2       16
+       2        9
+       2        9
+       2        5
+       2        4
+       2       10
+       2       14
+end data.
+t-test /groups=indep(1.514) /var=dep.
+])
+AT_CHECK([pspp -o pspp.csv t-test.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+INDEP,F8.0
+DEP,F8.0
+
+Table: Group Statistics
+,INDEP,N,Mean,Std. Deviation,S.E. Mean
+DEP,>=1.514,11,9.00,3.82,1.15
+,<1.514,11,8.00,2.86,.86
+
+Table: Independent Samples Test
+,,Levene's Test for Equality of Variances,,t-test for Equality of Means,,,,,,
+,,,,,,,,,95% Confidence Interval of the Difference,
+,,F,Sig.,t,df,Sig. (2-tailed),Mean Difference,Std. Error Difference,Lower,Upper
+DEP,Equal variances assumed,.17,.68,-.69,20.00,.50,-1.00,1.44,-4.00,2.00
+,Equal variances not assumed,,,-.69,18.54,.50,-1.00,1.44,-4.02,2.02
+])
+AT_CLEANUP
+
+AT_SETUP([T-TEST /GROUPS with per-analysis missing values])
+AT_DATA([ref.sps], [dnl
+data list list /id * indep * dep1 * dep2 *.
+begin data.
+1  1.0 3.5 6
+2  1.0 2.0 5
+3  1.0 2.0 4
+4  2.0 3.5 3
+56 2.0 3.0 1
+end data.
+
+t-test /group=indep /var=dep1, dep2.
+])
+AT_DATA([expout], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+id,F8.0
+indep,F8.0
+dep1,F8.0
+dep2,F8.0
+
+Table: Group Statistics
+,indep,N,Mean,Std. Deviation,S.E. Mean
+dep1,1,3,2.50,.87,.50
+,2,2,3.25,.35,.25
+dep2,1,3,5.00,1.00,.58
+,2,2,2.00,1.41,1.00
+
+Table: Independent Samples Test
+,,Levene's Test for Equality of Variances,,t-test for Equality of Means,,,,,,
+,,,,,,,,,95% Confidence Interval of the Difference,
+,,F,Sig.,t,df,Sig. (2-tailed),Mean Difference,Std. Error Difference,Lower,Upper
+dep1,Equal variances assumed,3.75,.15,-1.12,3.00,.35,-.75,.56,-2.53,1.03
+,Equal variances not assumed,,,-1.34,2.78,.28,-.75,.56,-2.61,1.11
+dep2,Equal variances assumed,.60,.50,2.85,3.00,.07,3.00,1.15,-.67,6.67
+,Equal variances not assumed,,,2.60,1.68,.14,3.00,1.15,-2.98,8.98
+])
+AT_CHECK([pspp -o ref.csv ref.sps])
+AT_CHECK([cat ref.csv], [0], [expout])
+AT_DATA([missing.sps], [dnl
+data list list /id * indep * dep1 * dep2.
+begin data.
+1 1.0 3.5 6
+2 1.0 2.0 5
+3 1.0 2.0 4
+4 2.0 3.5 3
+5 2.0 3.0 .
+6 2.0 .   1
+7  .  3.1 5
+end data.
+
+* Note that if the independent variable is missing, then it's implicitly 
+* listwise missing.
+
+t-test /missing=analysis /group=indep /var=dep1 dep2.
+])
+AT_CHECK([pspp -o missing.csv missing.sps])
+AT_CHECK([cat missing.csv], [0], [expout])
+AT_CLEANUP
+
+AT_SETUP([T-TEST /GROUPS with listwise missing values])
+AT_DATA([ref.sps], [dnl
+data list list /id * indep * dep1 * dep2.
+begin data.
+1 1.0 3.5 6
+2 1.0 2.0 5
+3 1.0 2.0 4
+4 2.0 3.5 3
+5 2.0 3.0 2
+6 2.0 4.0 1
+end data.
+
+t-test /group=indep /var=dep1 dep2.
+])
+AT_DATA([expout], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+id,F8.0
+indep,F8.0
+dep1,F8.0
+dep2,F8.0
+
+Table: Group Statistics
+,indep,N,Mean,Std. Deviation,S.E. Mean
+dep1,1,3,2.50,.87,.50
+,2,3,3.50,.50,.29
+dep2,1,3,5.00,1.00,.58
+,2,3,2.00,1.00,.58
+
+Table: Independent Samples Test
+,,Levene's Test for Equality of Variances,,t-test for Equality of Means,,,,,,
+,,,,,,,,,95% Confidence Interval of the Difference,
+,,F,Sig.,t,df,Sig. (2-tailed),Mean Difference,Std. Error Difference,Lower,Upper
+dep1,Equal variances assumed,2.00,.23,-1.73,4.00,.16,-1.00,.58,-2.60,.60
+,Equal variances not assumed,,,-1.73,3.20,.18,-1.00,.58,-2.77,.77
+dep2,Equal variances assumed,.00,1.00,3.67,4.00,.02,3.00,.82,.73,5.27
+,Equal variances not assumed,,,3.67,4.00,.02,3.00,.82,.73,5.27
+])
+AT_CHECK([pspp -o ref.csv ref.sps])
+AT_CHECK([cat ref.csv], [0], [expout])
+AT_DATA([missing.sps], [dnl
+data list list /id * indep * dep1 * dep2 *.
+begin data.
+1 1.0 3.5 6
+2 1.0 2.0 5
+3 1.0 2.0 4
+4 2.0 3.5 3
+5 2.0 3.0 2
+6 2.0 4.0 1
+7 2.0 .   0
+end data.
+
+t-test /missing=listwise,exclude /group=indep /var=dep1, dep2.
+])
+AT_CHECK([pspp -o missing.csv missing.sps])
+AT_CHECK([cat missing.csv], [0], [expout])
+AT_CLEANUP
+
+AT_SETUP([T-TEST /TESTVAL])
+AT_DATA([t-test.sps], [dnl
+data list list /ID * ABC *.
+begin data.
+1 3.5
+2 2.0
+3 2.0
+4 3.5
+5 3.0
+6 4.0
+end data.
+
+t-test /testval=2.0 /var=abc.
+])
+AT_CHECK([pspp -o pspp.csv t-test.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+ID,F8.0
+ABC,F8.0
+
+Table: One-Sample Statistics
+,N,Mean,Std. Deviation,S.E. Mean
+ABC,6,3.00,.84,.34
+
+Table: One-Sample Test
+,Test Value = 2.000000,,,,,
+,,,,,95% Confidence Interval of the Difference,
+,t,df,Sig. (2-tailed),Mean Difference,Lower,Upper
+ABC,2.93,5,.03,1.00,.12,1.88
+])
+AT_CLEANUP
+
+AT_SETUP([T-TEST /TESTVAL with per-analysis missing values])
+AT_DATA([ref.sps], [dnl
+data list list /id * x1 * x2.
+begin data.
+1 3.5 34
+2 2.0 10
+3 2.0 23
+4 3.5 98
+5 3.0 23
+67 4.0 8
+end data.
+
+t-test /testval=3.0 /var=x1 x2.
+])
+AT_DATA([expout], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+id,F8.0
+x1,F8.0
+x2,F8.0
+
+Table: One-Sample Statistics
+,N,Mean,Std. Deviation,S.E. Mean
+x1,6,3.00,.84,.34
+x2,6,32.67,33.40,13.64
+
+Table: One-Sample Test
+,Test Value = 3.000000,,,,,
+,,,,,95% Confidence Interval of the Difference,
+,t,df,Sig. (2-tailed),Mean Difference,Lower,Upper
+x1,.00,5,1.00,.00,-.88,.88
+x2,2.18,5,.08,29.67,-5.39,64.72
+])
+AT_CHECK([pspp -o ref.csv ref.sps])
+AT_CHECK([cat ref.csv], [0], [expout])
+AT_DATA([missing.sps], [dnl
+data list list /id * x1 * x2.
+begin data.
+1 3.5 34
+2 2.0 10
+3 2.0 23
+4 3.5 98
+5 3.0 23
+6 4.0 .
+7  .  8
+end data.
+
+t-test /missing=analysis /testval=3.0 /var=x1 x2.
+])
+AT_CHECK([pspp -o missing.csv missing.sps])
+AT_CHECK([cat missing.csv], [0], [expout])
+AT_CLEANUP
+
+AT_SETUP([T-TEST /TESTVAL with listwise missing values])
+AT_DATA([ref.sps], [dnl
+data list list /id * x1 * x2.
+begin data.
+1 3.5 34
+2 2.0 10
+3 2.0 23
+4 3.5 98
+5 3.0 23
+end data.
+
+t-test /testval=3.0 /var=x1 x2.
+])
+AT_DATA([expout], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+id,F8.0
+x1,F8.0
+x2,F8.0
+
+Table: One-Sample Statistics
+,N,Mean,Std. Deviation,S.E. Mean
+x1,5,2.80,.76,.34
+x2,5,37.60,34.82,15.57
+
+Table: One-Sample Test
+,Test Value = 3.000000,,,,,
+,,,,,95% Confidence Interval of the Difference,
+,t,df,Sig. (2-tailed),Mean Difference,Lower,Upper
+x1,-.59,4,.59,-.20,-1.14,.74
+x2,2.22,4,.09,34.60,-8.63,77.83
+])
+AT_CHECK([pspp -o ref.csv ref.sps])
+AT_CHECK([cat ref.csv], [0], [expout])
+AT_DATA([missing.sps], [dnl
+data list list /id * x1 * x2.
+begin data.
+1 3.5 34
+2 2.0 10
+3 2.0 23
+4 3.5 98
+5 3.0 23
+6 4.0 99
+end data.
+
+MISSING VALUES x2(99).
+
+t-test /missing=listwise /testval=3.0 /var=x1 x2.
+])
+AT_CHECK([pspp -o missing.csv missing.sps])
+AT_CHECK([cat missing.csv], [0], [expout])
+AT_CLEANUP
+
+AT_SETUP([T-TEST wih TEMPORARY transformation])
+AT_DATA([ref.sps], [dnl
+data list list /ind * x * .
+begin data.
+1 3.5
+1 2.0
+1 2.0
+2 3.5
+2 3.0
+2 4.0
+end data.
+
+t-test /groups=ind(1,2) /var x.
+])
+AT_DATA([expout], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+ind,F8.0
+x,F8.0
+
+Table: Group Statistics
+,ind,N,Mean,Std. Deviation,S.E. Mean
+x,1,3,2.50,.87,.50
+,2,3,3.50,.50,.29
+
+Table: Independent Samples Test
+,,Levene's Test for Equality of Variances,,t-test for Equality of Means,,,,,,
+,,,,,,,,,95% Confidence Interval of the Difference,
+,,F,Sig.,t,df,Sig. (2-tailed),Mean Difference,Std. Error Difference,Lower,Upper
+x,Equal variances assumed,2.00,.23,-1.73,4.00,.16,-1.00,.58,-2.60,.60
+,Equal variances not assumed,,,-1.73,3.20,.18,-1.00,.58,-2.77,.77
+])
+AT_CHECK([pspp -o ref.csv ref.sps])
+AT_CHECK([cat ref.csv], [0], [expout])
+AT_DATA([temporary.sps], [dnl
+data list list /ind * x * .
+begin data.
+1 3.5
+1 2.0
+1 2.0
+2 3.5
+2 3.0
+2 4.0
+2 9.0
+end data.
+
+TEMPORARY.
+SELECT IF x < 7.
+
+t-test /groups=ind(1,2) /var x.
+])
+AT_CHECK([pspp -o temporary.csv temporary.sps])
+AT_CHECK([cat temporary.csv], [0], [expout])
+AT_CLEANUP
+
+dnl Tests for a bug which caused T-TEST to crash when given invalid syntax.
+AT_SETUP([T-TEST invalid syntax])
+AT_DATA([t-test.sps], [dnl
+DATA LIST LIST NOTABLE /id * a * .
+BEGIN DATA.
+1 3.5
+2 2.0
+3 2.0
+4 3.5
+5 3.0
+6 4.0
+END DATA.
+
+T-TEST /testval=2.0 .
+T-TEST /groups=id(3) .
+])
+AT_CHECK([pspp -O format=csv t-test.sps], [1], [dnl
+t-test.sps:11: error: T-TEST: One or more VARIABLES must be specified.
+
+t-test.sps:12: error: T-TEST: One or more VARIABLES must be specified.
+])
+AT_CLEANUP
+
+dnl Tests for bug #11227, exhibited when the independent variable is a string.
+AT_SETUP([T-TEST string variable])
+AT_DATA([t-test.sps], [dnl
+data list list /ID * INDEP (a1) DEP1 * DEP2 *.
+begin data.
+1  'a' 1 3
+2  'a' 2 4
+3  'a' 2 4 
+4  'a' 2 4 
+5  'a' 3 5
+6  'b' 3 1
+7  'b' 4 2
+8  'b' 4 2
+9  'b' 4 2
+10 'b' 5 3
+11 'c' 2 2
+end data.
+
+
+t-test /GROUPS=indep('a','b') /var=dep1 dep2.
+])
+AT_CHECK([pspp -o pspp.csv t-test.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+ID,F8.0
+INDEP,A1
+DEP1,F8.0
+DEP2,F8.0
+
+Table: Group Statistics
+,INDEP,N,Mean,Std. Deviation,S.E. Mean
+DEP1,a,5,2.00,.71,.32
+,b,5,4.00,.71,.32
+DEP2,a,5,4.00,.71,.32
+,b,5,2.00,.71,.32
+
+Table: Independent Samples Test
+,,Levene's Test for Equality of Variances,,t-test for Equality of Means,,,,,,
+,,,,,,,,,95% Confidence Interval of the Difference,
+,,F,Sig.,t,df,Sig. (2-tailed),Mean Difference,Std. Error Difference,Lower,Upper
+DEP1,Equal variances assumed,.00,1.00,-4.47,8.00,.00,-2.00,.45,-3.03,-.97
+,Equal variances not assumed,,,-4.47,8.00,.00,-2.00,.45,-3.03,-.97
+DEP2,Equal variances assumed,.00,1.00,4.47,8.00,.00,2.00,.45,.97,3.03
+,Equal variances not assumed,,,4.47,8.00,.00,2.00,.45,.97,3.03
+])
+AT_CLEANUP
+
+AT_SETUP([T-TEST string variable, only one value])
+AT_DATA([t-test.sps], [dnl
+data list list notable /id * indep (a1) dep1 * dep2 *.
+begin data.
+1  'a' 1 3
+2  'a' 2 4
+3  'a' 2 4 
+4  'a' 2 4 
+5  'a' 3 5
+6  'b' 3 1
+7  'b' 4 2
+8  'b' 4 2
+9  'b' 4 2
+10 'b' 5 3
+11 'c' 2 2
+end data.
+
+
+t-test /GROUPS=indep('a') /var=dep1 dep2.
+])
+AT_CHECK([pspp -O format=csv t-test.sps], [1], [dnl
+"t-test.sps:17: error: T-TEST: When applying GROUPS to a string variable, two values must be specified."
+])
+AT_CLEANUP
+
+dnl Tests for a bug which didn't properly compare string values.
+AT_SETUP([T-TEST string variable comparison bug])
+AT_DATA([t-test.sps], [dnl
+data list list /x * gv (a8).
+begin data.
+3   One
+2   One
+3   One
+2   One
+3   One
+4   Two
+3.5 Two
+3.0 Two
+end data.
+
+t-test group=gv('One', 'Two')
+	/variables = x.
+])
+AT_CHECK([pspp -o pspp.csv t-test.sps])
+AT_CHECK([cat pspp.csv], [0], [dnl
+Table: Reading free-form data from INLINE.
+Variable,Format
+x,F8.0
+gv,A8
+
+Table: Group Statistics
+,gv,N,Mean,Std. Deviation,S.E. Mean
+x,One     ,5,2.60,.55,.24
+,Two     ,3,3.50,.50,.29
+
+Table: Independent Samples Test
+,,Levene's Test for Equality of Variances,,t-test for Equality of Means,,,,,,
+,,,,,,,,,95% Confidence Interval of the Difference,
+,,F,Sig.,t,df,Sig. (2-tailed),Mean Difference,Std. Error Difference,Lower,Upper
+x,Equal variances assumed,1.13,.33,-2.32,6.00,.06,-.90,.38,-1.83,.03
+,Equal variances not assumed,,,-2.38,4.70,.07,-.90,.38,-1.89,.09
+])
+AT_CLEANUP
+
-- 
2.30.2