3 # The tests are in a separate file 't/op/re_tests'.
4 # Each line in that file is a separate test.
5 # There are five columns, separated by tabs.
7 # Column 1 contains the pattern, optionally enclosed in C<''>.
8 # Modifiers can be put after the closing C<'>.
10 # Column 2 contains the string to be matched.
12 # Column 3 contains the expected result:
17 # Columns 4 and 5 are used only if column 3 contains C<y> or C<c>.
19 # Column 4 contains a string, usually C<$&>.
21 # Column 5 contains the expected result of double-quote
22 # interpolating that string after the match, or start of error message.
24 # \n in the tests are interpolated.
26 # If you want to add a regular expression test that can't be expressed
27 # in this format, don't add it here: put it in op/pat.t instead.
31 @INC = '../lib' if -d '../lib';
36 $iters = shift || 1; # Poor man performance suite, 10000 is OK.
38 open(TESTS,'op/re_tests') || open(TESTS,'t/op/re_tests') ||
39 die "Can't open re_tests";
47 print "1..$numtests\n# $iters iterations\n";
52 ($pat, $subject, $result, $repl, $expect) = split(/\t/,$_);
53 $input = join(':',$pat,$subject,$result,$repl,$expect);
55 infty_subst(\$expect);
56 $pat = "'$pat'" unless $pat =~ /^[:']/;
58 $subject =~ s/\\n/\n/g;
59 $expect =~ s/\\n/\n/g;
60 $expect = $repl = '-' if $skip_amp and $input =~ /\$[&\`\']/;
61 for $study ("", "study \$subject") {
63 eval "$study; \$match = (\$subject =~ m$pat) while \$c--; \$got = \"$repl\";";
66 if ($err !~ m!^\Q$expect!) { print "not ok $. (compile) $input => `$err'\n"; next TEST }
67 last; # no need to study a syntax error
70 print "not ok $. $input => error `$err'\n"; next TEST;
72 elsif ($result eq 'n') {
73 if ($match) { print "not ok $. ($study) $input => false positive\n"; next TEST }
76 if (!$match || $got ne $expect) {
77 print "not ok $. ($study) $input => `$got', match=$match\n";
87 sub infty_subst # Special-case substitution
88 { # of $reg_infty and friends
90 $$tp =~ s/,\$reg_infty_m}/,$reg_infty_m}/o;
91 $$tp =~ s/,\$reg_infty_p}/,$reg_infty_p}/o;
92 $$tp =~ s/,\$reg_infty}/,$reg_infty}/o;