1 files changed, 82 insertions, 0 deletions
diff --git a/tests/libtest.sh b/tests/libtest.sh
new file mode 100644
index 0000000..ed46d0e
--- /dev/null
+++ b/tests/libtest.sh
@@ -0,0 +1,82 @@
+# $Id$
+#
+# Shell function library for test cases.
+#
+# Written by Russ Allbery <rra@stanford.edu>
+# Copyright 2006, 2007, 2008 Board of Trustees, Leland Stanford Jr. University
+#
+# See LICENSE for licensing terms.
+
+# The count starts at 1 and is updated each time ok is printed.  printcount
+# takes "ok" or "not ok".
+count=1
+printcount () {
+    echo "$1 $count $2"
+    count=`expr $count + 1`
+}
+
+# Run a program expected to succeed, and print ok if it does and produces
+# the correct output.  Takes the output as the first argument, the command to
+# run as the second argument, and then all subsequent arguments are arguments
+# to the command.
+runsuccess () {
+    w_output="$1"
+    shift
+    output=`"$@" 2>&1`
+    status=$?
+    if [ $status = 0 ] && [ x"$output" = x"$w_output" ] ; then
+        printcount 'ok'
+    else
+        printcount 'not ok'
+        echo "  saw: $output"
+        echo "  not: $w_output"
+    fi
+}
+
+# Run a program expected to fail and make sure it fails with the correct exit
+# status and the correct failure message.  Takes the expected status, the
+# expected output, and then everything else is the command and arguments.
+# Strip the second colon and everything after it off the error message since
+# it's system-specific.
+runfailure () {
+    w_status="$1"
+    shift
+    w_output="$1"
+    shift
+    output=`"$@" 2>&1`
+    status=$?
+    output=`echo "$output" | sed 's/\(:[^:]*\):.*/\1/'`
+    if [ $status = $w_status ] && [ x"$output" = x"$w_output" ] ; then
+        printcount 'ok'
+    else
+        printcount 'not ok'
+        echo "  saw: ($status) $output"
+        echo "  not: ($w_status) $w_output"
+    fi
+}
+
+# Skip tests from $1 to $2 inclusive with reason $3.
+skip () {
+    n="$1"
+    while [ "$n" -le "$2" ] ; do
+        echo ok "$n # skip $3"
+        n=`expr "$n" + 1`
+    done
+}
+
+# Given a file name or relative file path, try to cd to the correct directory
+# so that the relative file path is valid.  Exits with an error if that isn't
+# possible.
+chdir_data () {
+    if [ -f "../$1" ] ; then
+        cd ..
+    else
+        if [ -f "tests/$1" ] ; then
+            cd tests
+        fi
+    fi
+    if [ ! -f "$1" ] ; then
+        echo "Cannot locate $1" >&2
+        exit 1
+    fi
+}