1#!./perl 2 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. 6# 7# Column 1 contains the pattern, optionally enclosed in C<''>. 8# Modifiers can be put after the closing C<'>. 9# 10# Column 2 contains the string to be matched. 11# 12# Column 3 contains the expected result: 13# y expect a match 14# n expect no match 15# c expect an error 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 18# 19# Columns 4 and 5 are used only if column 3 contains C<y> or C<c>. 20# 21# Column 4 contains a string, usually C<$&>. 22# 23# Column 5 contains the expected result of double-quote 24# interpolating that string after the match, or start of error message. 25# 26# Column 6, if present, contains a reason why the test is skipped. 27# This is printed with "skipped", for harness to pick up. 28# 29# \n in the tests are interpolated, as are variables of the form ${\w+}. 30# 31# If you want to add a regular expression test that can't be expressed 32# in this format, don't add it here: put it in op/pat.t instead. 33 34BEGIN { 35 chdir 't' if -d 't'; 36 @INC = '../lib'; 37} 38 39$iters = shift || 1; # Poor man performance suite, 10000 is OK. 40 41open(TESTS,'op/re_tests') || open(TESTS,'t/op/re_tests') || open(TESTS,':op:re_tests') || 42 die "Can't open re_tests"; 43 44while (<TESTS>) { } 45$numtests = $.; 46seek(TESTS,0,0); 47$. = 0; 48 49$bang = sprintf "\\%03o", ord "!"; # \41 would not be portable. 50$ffff = chr(0xff) x 2; 51$nulnul = "\0" x 2; 52 53$| = 1; 54print "1..$numtests\n# $iters iterations\n"; 55TEST: 56while (<TESTS>) { 57 chomp; 58 s/\\n/\n/g; 59 ($pat, $subject, $result, $repl, $expect, $reason) = split(/\t/,$_,6); 60 $input = join(':',$pat,$subject,$result,$repl,$expect); 61 infty_subst(\$pat); 62 infty_subst(\$expect); 63 $pat = "'$pat'" unless $pat =~ /^[:']/; 64 $pat =~ s/(\$\{\w+\})/$1/eeg; 65 $pat =~ s/\\n/\n/g; 66 $subject =~ s/(\$\{\w+\})/$1/eeg; 67 $subject =~ s/\\n/\n/g; 68 $expect =~ s/(\$\{\w+\})/$1/eeg; 69 $expect =~ s/\\n/\n/g; 70 $expect = $repl = '-' if $skip_amp and $input =~ /\$[&\`\']/; 71 $skip = ($skip_amp ? ($result =~ s/B//i) : ($result =~ s/B//)); 72 $reason = 'skipping $&' if $reason eq '' && $skip_amp; 73 $result =~ s/B//i unless $skip; 74 for $study ('', 'study \$subject') { 75 $c = $iters; 76 eval "$study; \$match = (\$subject =~ m$pat) while \$c--; \$got = \"$repl\";"; 77 chomp( $err = $@ ); 78 if ($result eq 'c') { 79 if ($err !~ m!^\Q$expect!) { print "not ok $. (compile) $input => `$err'\n"; next TEST } 80 last; # no need to study a syntax error 81 } 82 elsif ( $skip ) { 83 print "ok $. # skipped", length($reason) ? " $reason" : '', "\n"; 84 next TEST; 85 } 86 elsif ($@) { 87 print "not ok $. $input => error `$err'\n"; next TEST; 88 } 89 elsif ($result eq 'n') { 90 if ($match) { print "not ok $. ($study) $input => false positive\n"; next TEST } 91 } 92 else { 93 if (!$match || $got ne $expect) { 94 print "not ok $. ($study) $input => `$got', match=$match\n"; 95 next TEST; 96 } 97 } 98 } 99 print "ok $.\n"; 100} 101 102close(TESTS); 103 104sub infty_subst # Special-case substitution 105{ # of $reg_infty and friends 106 my $tp = shift; 107 $$tp =~ s/,\$reg_infty_m}/,$reg_infty_m}/o; 108 $$tp =~ s/,\$reg_infty_p}/,$reg_infty_p}/o; 109 $$tp =~ s/,\$reg_infty}/,$reg_infty}/o; 110} 111