+#!/bin/sh
+
+# This program tests that the T-TEST works when the independent
+# variable is alpha
+# BUG #11227
+
+TEMPDIR=/tmp/pspp-tst-$$
+
+here=`pwd`;
+
+# ensure that top_srcdir is absolute
+cd $top_srcdir; top_srcdir=`pwd`
+
+export STAT_CONFIG_PATH=$top_srcdir/config
+
+
+cleanup()
+{
+ 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 > $TEMPDIR/out.stat <<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 $here/../src/pspp -o raw-ascii $TEMPDIR/out.stat
+if [ $? -ne 0 ] ; then no_result ; fi
+
+activity="compare output"
+diff -B -b $TEMPDIR/pspp.list - <<EOF
+1.1 DATA LIST. Reading free-form data from the command file.
++--------+------+
+|Variable|Format|
+#========#======#
+|ID |F8.0 |
+|INDEP |A1 |
+|DEP1 |F8.0 |
+|DEP2 |F8.0 |
++--------+------+
+
+2.1 T-TEST. Group Statistics
+#==========#=#====#==============#========#
+# INDEP|N|Mean|Std. Deviation|SE. Mean#
+#==========#=#====#==============#========#
+#DEP1 a |5|2.00| .707| .316#
+# b |5|4.00| .707| .316#
+#DEP2 a |5|4.00| .707| .316#
+# b |5|2.00| .707| .316#
+#==========#=#====#==============#========#
+
+2.2 T-TEST. Independent Samples Test
+#===============================#==========#===============================================================================#
+# # Levene's | t-test for Equality of Means #
+# #----+-----+------+-----+---------------+---------------+---------------------+------------#
+# # | | | | | | | 95% #
+# # | | | | | | +------+-----#
+# # F | Sig.| t | df |Sig. (2-tailed)|Mean Difference|Std. Error Difference| Lower|Upper#
+#===============================#====#=====#======#=====#===============#===============#=====================#======#=====#
+#DEP1Equal variances assumed #.000|1.000|-4.472| 8| .002| -2.000| .447|-3.031|-.969#
+# Equal variances not assumed# | |-4.472|8.000| .002| -2.000| .447|-3.031|-.969#
+#DEP2Equal variances assumed #.000|1.000| 4.472| 8| .002| 2.000| .447| .969|3.031#
+# Equal variances not assumed# | | 4.472|8.000| .002| 2.000| .447| .969|3.031#
+#===============================#====#=====#======#=====#===============#===============#=====================#======#=====#
+EOF
+if [ $? -ne 0 ] ; then fail ; fi
+
+
+pass