| #!/bin/bash |
| |
| [ -f testing.sh ] && . testing.sh |
| |
| |
| #testing "name" "command" "result" "infile" "stdin" |
| |
| # Default behavior on stdin and on files. |
| testing "on stdin" "echo -n hello | cksum" "3287646509 5\n" "" "" |
| echo -n "hello" > tmpfile |
| testing "on file" "cksum tmpfile" "3287646509 5 tmpfile\n" "" "" |
| rm -f tmpfile |
| touch one two |
| testing "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 "on abc including length" "echo -n 'abc' | cksum" "1219131554 3\n" "" "" |
| testing "on abc excluding length" "echo -ne 'abc\x3' | cksum -N" "1219131554 4\n" "" "" |
| |
| # cksum on no contents gives 0xffffffff (=4294967295) |
| testing "on no data post-inversion" "echo -n "" | cksum" "4294967295 0\n" "" "" |
| # If we do preinversion we will then get 0. |
| testing "on no data pre+post-inversion" "echo -n "" | cksum -P" "0 0\n" "" "" |
| # If we skip the post-inversion we also get 0 |
| testing "on no data no inversion" "echo -n "" | cksum -I" "0 0\n" "" "" |
| # Two wrongs make a right. |
| testing "on no data pre-inversion" "echo -n "" | cksum -PI" "4294967295 0\n" "" "" |
