toybox/tests/cksum.test
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   1#!/bin/bash
   2
   3[ -f testing.sh ] && . testing.sh
   4
   5
   6#testing "name" "command" "result" "infile" "stdin"
   7
   8# Default behavior on stdin and on files.
   9testing "on stdin" "echo -n hello | cksum" "3287646509 5\n" "" ""
  10echo -n "hello" > tmpfile
  11testing "on file" "cksum tmpfile" "3287646509 5 tmpfile\n" "" ""
  12rm -f tmpfile
  13touch one two
  14testing "on multiple files" "cksum one two" "4294967295 0 one\n4294967295 0 two\n" "" ""
  15rm -f one two
  16
  17# Check the length suppression, both calculate the CRC on 'abc' but the second
  18# option has length suppression on and has the length concatenated to 'abc'.
  19testing "on abc including length" "cksum" "1219131554 3\n" "" 'abc'
  20toyonly testing "on abc excluding length" "cksum -N" "1219131554\n" "" 'abc\x3'
  21
  22# cksum on no contents gives 0xffffffff (=4294967295)
  23testing "on no data post-inversion" "echo -n "" | cksum" "4294967295 0\n" "" ""
  24# If we do preinversion we will then get 0.
  25toyonly testing "on no data pre+post-inversion" "echo -n "" | cksum -P" "0 0\n" "" ""
  26# If we skip the post-inversion we also get 0
  27toyonly testing "on no data no inversion" "echo -n "" | cksum -I" "0 0\n" "" ""
  28# Two wrongs make a right.
  29toyonly testing "on no data pre-inversion" "echo -n "" | cksum -PI" "4294967295 0\n" "" ""
  30