view tests/cksum.test @ 1566:62a7d617e1ce draft 0.5.1

Make md5sum and sha1sum work on big endian systems.
author Rob Landley <rob@landley.net>
date Wed, 19 Nov 2014 21:38:00 -0600
parents 8700cbe1cb29
children
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#!/bin/bash

[ -f testing.sh ] && . testing.sh


#testing "name" "command" "result" "infile" "stdin"

# Default behavior on stdin and on files.
testing "cksum on stdin" "echo -n hello | cksum" "3287646509 5\n" "" ""
echo -n "hello" > tmpfile
testing "cksum on file" "cksum tmpfile" "3287646509 5 tmpfile\n" "" ""
rm -f tmpfile
touch one two
testing "cksum on multiple files" "cksum one two" "4294967295 0 one\n4294967295 0 two\n" "" ""
rm -f one two

# Check the length suppression, both calculate the CRC on 'abc' but the second
# option has length suppression on and has the length concatenated to 'abc'.
testing "cksum on abc including length" "echo -n 'abc' | cksum" "1219131554 3\n" "" ""
testing "cksum on abc excluding length" "echo -ne 'abc\x3' | cksum -N" "1219131554 4\n" "" ""

# cksum on no contents gives 0xffffffff (=4294967295)
testing "cksum on no data post-inversion" "echo -n "" | cksum" "4294967295 0\n" "" ""
# If we do preinversion we will then get 0.
testing "cksum on no data pre+post-inversion" "echo -n "" | cksum -P" "0 0\n" "" ""
# If we skip the post-inversion we also get 0
testing "cksum on no data no inversion" "echo -n "" | cksum -I" "0 0\n" "" ""
# Two wrongs make a right.
testing "cksum on no data pre-inversion" "echo -n "" | cksum -PI" "4294967295 0\n" "" ""