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:
16 # B test exposes a known bug in Perl, should be skipped
17 # b test exposes a known bug in Perl, should be skipped if noamp
19 # Columns 4 and 5 are used only if column 3 contains C<y> or C<c>.
21 # Column 4 contains a string, usually C<$&>.
23 # Column 5 contains the expected result of double-quote
24 # interpolating that string after the match, or start of error message.
26 # Column 6, if present, contains a reason why the test is skipped.
27 # This is printed with "skipped", for harness to pick up.
29 # \n in the tests are interpolated, as are variables of the form ${\w+}.
31 # Blanks lines are treated as PASSING tests to keep the line numbers
32 # linked to the test number.
34 # If you want to add a regular expression test that can't be expressed
35 # in this format, don't add it here: put it in op/pat.t instead.
37 # Note that columns 2,3 and 5 are all enclosed in double quotes and then
38 # evalled; so something like a\"\x{100}$1 has length 3+length($1).
45 use warnings FATAL=>"all";
46 use vars qw($iters $numtests $bang $ffff $nulnul $OP);
47 use vars qw($qr $skip_amp $qr_embed); # set by our callers
49 $iters = shift || 1; # Poor man performance suite, 10000 is OK.
51 open(TESTS,'op/re_tests') || open(TESTS,'t/op/re_tests') || open(TESTS,':op:re_tests') ||
52 die "Can't open re_tests";
59 $bang = sprintf "\\%03o", ord "!"; # \41 would not be portable.
60 $ffff = chr(0xff) x 2;
62 $OP = $qr ? 'qr' : 'm';
65 print "1..$numtests\n# $iters iterations\n";
68 if (!/\S/ || /^\s*#/) {
69 print "ok $. # (Blank line or comment)\n";
70 if (/\S/) { print $_ };
75 my ($pat, $subject, $result, $repl, $expect, $reason) = split(/\t/,$_,6);
76 $reason = '' unless defined $reason;
77 my $input = join(':',$pat,$subject,$result,$repl,$expect);
78 $pat = "'$pat'" unless $pat =~ /^[:'\/]/;
79 $pat =~ s/(\$\{\w+\})/$1/eeg;
81 $subject = eval qq("$subject");
82 $expect = eval qq("$expect");
83 $expect = $repl = '-' if $skip_amp and $input =~ /\$[&\`\']/;
84 my $skip = ($skip_amp ? ($result =~ s/B//i) : ($result =~ s/B//));
85 $reason = 'skipping $&' if $reason eq '' && $skip_amp;
86 $result =~ s/B//i unless $skip;
88 for my $study ('', 'study $subject') {
90 my ($code, $match, $got);
95 \$match = ( \$subject =~ m${pat}g );
96 \$got = pos(\$subject);
103 \$match = (\$subject =~ /(?:)\$RE(?:)/) while \$c--;
110 \$match = (\$subject =~ $OP$pat) while \$c--;
115 # Probably we should annotate specific tests with which warnings
116 # categories they're known to trigger, and hence should be
117 # disabled just for that test
118 no warnings qw(uninitialized regexp);
121 chomp( my $err = $@ );
122 if ($result eq 'c') {
123 if ($err !~ m!^\Q$expect!) { print "not ok $. (compile) $input => `$err'\n"; next TEST }
124 last; # no need to study a syntax error
127 print "ok $. # skipped", length($reason) ? " $reason" : '', "\n";
131 print "not ok $. $input => error `$err'\n$code\n$@\n"; next TEST;
133 elsif ($result eq 'n') {
134 if ($match) { print "not ok $. ($study) $input => false positive\n"; next TEST }
137 if (!$match || $got ne $expect) {
138 eval { require Data::Dumper };
140 print "not ok $. ($study) $input => `$got', match=$match\n$code\n";
142 else { # better diagnostics
143 my $s = Data::Dumper->new([$subject],['subject'])->Useqq(1)->Dump;
144 my $g = Data::Dumper->new([$got],['got'])->Useqq(1)->Dump;
145 print "not ok $. ($study) $input => `$got', match=$match\n$s\n$g\n$code\n";