+#!/bin/sh
+
+# This program tests the EXTREME subcommand of the EXAMINE command.
+
+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 free /v1 w
+begin data.
+1 1
+2 1
+3 2
+3 1
+4 1
+5 1
+6 1
+7 1
+8 1
+9 1
+10 1
+11 1
+12 1
+13 1
+14 1
+15 1
+16 1
+17 1
+18 2
+19 1
+20 1
+end data.
+
+weight by w.
+
+examine v1
+ /statistics=extreme(6)
+ .
+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 results"
+diff $TEMPDIR/pspp.list - << EOF
+1.1 EXAMINE. Case Processing Summary
+#==#===============================#
+# # Cases #
+# #----------+---------+----------#
+# # Valid | Missing | Total #
+# #--+-------+-+-------+--+-------#
+# # N|Percent|N|Percent| N|Percent#
+#==#==#=======#=#=======#==#=======#
+#V1#23| 100%|0| 0%|23| 100%#
+#==#==#=======#=#=======#==#=======#
+
+1.2 EXAMINE. Extreme Values
+#==========#===========#=====#
+# #Case Number|Value#
+#==========#===========#=====#
+#V1Highest1# 21|20.00#
+# 2# 20|19.00#
+# 3# 19|18.00#
+# 4# 19|18.00#
+# 5# 18|17.00#
+# 6# 17|16.00#
+# --------#-----------+-----#
+# Lowest1# 1| 1.00#
+# 2# 2| 2.00#
+# 3# 4| 3.00#
+# 4# 3| 3.00#
+# 5# 3| 3.00#
+# 6# 5| 4.00#
+#==========#===========#=====#
+
+EOF
+if [ $? -ne 0 ] ; then fail ; fi
+
+pass