From 3c59c6fea2ea2d7b0d3aa5881b229421f0c70217 Mon Sep 17 00:00:00 2001
From: John Darrington <john@darrington.wattle.id.au>
Date: Tue, 17 Feb 2004 05:28:31 +0000
Subject: [PATCH] Added test for T-TEST /GROUPS (Levene values come later).

---
 tests/Makefile.am              |   1 +
 tests/command/t-test-groups.sh | 112 +++++++++++++++++++++++++++++++++
 2 files changed, 113 insertions(+)
 create mode 100755 tests/command/t-test-groups.sh

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 5d4e7cd704..b79cdbe025 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -23,6 +23,7 @@ TESTS = command/aggregate.sh \
 	command/split-file.sh \
 	command/t-test-1s.sh \
 	command/t-test-pairs.sh \
+	command/t-test-groups.sh \
 	command/weight.sh \
 	bugs/alpha-freq.sh \
 	bugs/double-frequency.sh \
diff --git a/tests/command/t-test-groups.sh b/tests/command/t-test-groups.sh
new file mode 100755
index 0000000000..9c5d9108df
--- /dev/null
+++ b/tests/command/t-test-groups.sh
@@ -0,0 +1,112 @@
+#!/bin/sh
+
+# This program tests that the T-TEST /GROUPS command works
+
+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 * dep1 * dep2 *.
+begin data.
+1  1 1 3
+2  1 2 4
+3  1 2 4 
+4  1 2 4 
+5  1 3 5
+6  2 3 1
+7  2 4 2
+8  2 4 2
+9  2 4 2
+10 2 5 3
+end data.
+
+t-test /GROUPS=indep(1,2) /var=dep1 dep2.
+EOF
+if [ $? -ne 0 ] ; then no_result ; fi
+
+
+activity="run program"
+$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   |F8.0  |
+|DEP1    |F8.0  |
+|DEP2    |F8.0  |
++--------+------+
+
+2.1 T-TEST.  Group Statistics
+#==========#=#====#==============#========#
+#     INDEP|N|Mean|Std. Deviation|SE. Mean#
+#==========#=#====#==============#========#
+#DEP1 1    |5|2.00|          .707|    .316#
+#     2    |5|4.00|          .707|    .316#
+#DEP2 1    |5|4.00|          .707|    .316#
+#     2    |5|2.00|          .707|    .316#
+#==========#=#====#==============#========#
+
+2.2 T-TEST.  Independent Samples Test
+#===============================#======#===============================================================================#
+#                               #Levene|                          t-test for Equality of Means                         #
+#                               #-+----+------+-----+---------------+---------------+---------------------+------------#
+#                               # |    |      |     |               |               |                     |    95%     #
+#                               # |    |      |     |               |               |                     +------+-----#
+#                               #F|Sig.|   t  |  df |Sig. (2-tailed)|Mean Difference|Std. Error Difference| Lower|Upper#
+#===============================#=#====#======#=====#===============#===============#=====================#======#=====#
+#DEP1Equal variances assumed    # |    |-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    # |    | 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
-- 
2.30.2