busybox/testsuite/tr/tr-works
Rob Landley 998dbee6d9 Patch from Jean Wolter:
it looks like the introduced support for character classes and
equivalence classes is not correct. The attached patch tries to fix
some symptoms and tries to make tr behave like gnu tr for the added
test cases. The patch

 - removes if clauses with side effects
 - fixes handling of buffer pointer (strcat added characters to the
   buffer without increasing the buffer pointer)
 - re-arranges character classes to match ASCII order

regards,
Jean
2006-04-19 22:22:06 +00:00

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run_tr ()
{
echo -n "echo '$1' | tr '$2' '$3': "
echo "$1" | $bb tr "$2" "$3"
echo
}
tr_test ()
{
run_tr "cbaab" abc zyx
run_tr "TESTING A B C" '[A-Z]' '[a-z]'
run_tr "abc[]" "a[b" AXB
run_tr abc '[:alpha:]' A-ZA-Z
run_tr abc56 '[:alnum:]' A-ZA-Zxxxxxxxxxx
run_tr 012 '[:digit:]' abcdefghi
run_tr abc56 '[:lower:]' '[:upper:]'
run_tr " " '[:space:]' 12345
run_tr " " '[:blank:]' 12
run_tr 'a b' '[= =]' X
run_tr "[:" '[:' ab
}
bb= tr_test > logfile.gnu
bb=busybox tr_test > logfile.bb
cmp logfile.gnu logfile.bb