2 files changed, 101 insertions, 0 deletions
diff --git a/__sum/ck b/__sum/ck
new file mode 100644
index 0000000..51f3f0f
--- /dev/null
+++ b/__sum/ck
@@ -0,0 +1,14 @@
+4294967295 0 1
+2418082923 2 2
+1220704766 1 3
+3515105045 1 4
+3518178554 2 5
+3263187401 5 6
+1220704766 1 7
+1219131554 3 8
+2074844392 43 9
+3951473468 44 10
+1219157968 10 11
+81918263 62 12
+1939911592 80 13
+2713270184 26 14
diff --git a/cksum-test/test b/cksum-test/test
new file mode 100755
index 0000000..8a0cdab
--- /dev/null
+++ b/cksum-test/test
@@ -0,0 +1,87 @@
+#!/bin/bash
+
+cd -- "$(dirname "$0")/../__sum"
+N=14
+algo=ck
+if test -z "$CKSUM"; then
+	CKSUM=../${algo}sum
+fi
+s="$PREFIX $CKSUM"
+
+report ()
+{
+	if test $1 = 0; then
+		printf "\033[1;32mTest %s OK\033[m\n" "$2"
+	else
+		printf "\033[1;31mTest %s FAILED\033[m\n" "$2"
+	fi
+}
+
+multiple_files_order ()
+{
+	$s $(seq 1 $N) | sed -e 's/[\t ]\+/ /g' | cut -d ' ' -f 3 > tmp1
+	< $algo cut -d ' ' -f 3 > tmp2
+	diff tmp1 tmp2 > /dev/null
+	report $? "multiple_files_order"
+	rm tmp1 tmp2
+}
+
+multiple_files_sum ()
+{
+	$s $(seq 1 $N) | sed -e 's/[\t ]\+/ /g' | cut -d ' ' -f 1,2 | sort > tmp1
+	< $algo cut -d ' ' -f 1,2 | sort > tmp2
+	diff tmp1 tmp2 > /dev/null
+	report $? "multiple_files_sum"
+	rm tmp1 tmp2
+}
+
+multiple_files ()
+{
+	$s $(seq 1 $N) > tmp1
+	diff tmp1 $algo > /dev/null
+	report $? "multiple_files"
+	rm tmp1
+}
+
+one_file ()
+{
+	$s 1 > tmp1
+	< $algo head -n 1 > tmp2
+	diff tmp1 tmp2 > /dev/null
+	report $? "one_file"
+	rm tmp1 tmp2
+}
+
+stdin ()
+{
+	$s < 1 | sed 's/[\t ]\+/ /' > tmp1
+	< $algo head -n 1 | cut -d ' ' -f 1,2 > tmp2
+	diff tmp1 tmp2 > /dev/null
+	report $? "stdin"
+	rm tmp1 tmp2
+}
+
+dash ()
+{
+	$s - < 1 | sed 's/[\t ]\+/ /g' | tee tmp3 | cut -d ' ' -f 1,2 > tmp1
+	< $algo head -n 1 | cut -d ' ' -f 1,2 > tmp2
+	diff tmp1 tmp2 > /dev/null &&
+	    test $(grep -o ' ' < tmp3 | wc -l) = 2 &&
+	    test -n "$(cut -d ' ' -f 3 < tmp3)"
+	report $? "dash"
+	rm tmp1 tmp2 tmp3
+}
+
+
+if test $# = 0; then
+	set multiple_files_order multiple_files_sum multiple_files one_file stdin dash
+fi
+(
+for f in $@; do
+	$f
+done
+) | tee result
+! grep FAILED < result >/dev/null
+ret=$?
+rm result
+exit $ret