98 lines
2.8 KiB
Perl
Executable File
98 lines
2.8 KiB
Perl
Executable File
#!./perl
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# XXX known to leak scalars
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$ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3;
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# The tests are in a separate file 't/op/re_tests'.
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# Each line in that file is a separate test.
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# There are five columns, separated by tabs.
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#
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# Column 1 contains the pattern, optionally enclosed in C<''>.
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# Modifiers can be put after the closing C<'>.
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#
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# Column 2 contains the string to be matched.
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#
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# Column 3 contains the expected result:
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# y expect a match
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# n expect no match
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# c expect an error
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#
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# Columns 4 and 5 are used only if column 3 contains C<y> or C<c>.
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#
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# Column 4 contains a string, usually C<$&>.
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#
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# Column 5 contains the expected result of double-quote
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# interpolating that string after the match, or start of error message.
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#
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# \n in the tests are interpolated, as are variables of the form ${\w+}.
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#
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# If you want to add a regular expression test that can't be expressed
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# in this format, don't add it here: put it in op/pat.t instead.
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BEGIN {
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chdir 't' if -d 't';
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@INC = '../lib' if -d '../lib';
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}
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$iters = shift || 1; # Poor man performance suite, 10000 is OK.
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open(TESTS,'op/re_tests') || open(TESTS,'t/op/re_tests') ||
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die "Can't open re_tests";
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while (<TESTS>) { }
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$numtests = $.;
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seek(TESTS,0,0);
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$. = 0;
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$bang = sprintf "\\%03o", ord "!"; # \41 would not be portable.
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$| = 1;
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print "1..$numtests\n# $iters iterations\n";
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TEST:
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while (<TESTS>) {
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chomp;
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s/\\n/\n/g;
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($pat, $subject, $result, $repl, $expect) = split(/\t/,$_);
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$input = join(':',$pat,$subject,$result,$repl,$expect);
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infty_subst(\$pat);
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infty_subst(\$expect);
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$pat = "'$pat'" unless $pat =~ /^[:']/;
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$pat =~ s/\\n/\n/g;
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$pat =~ s/(\$\{\w+\})/$1/eeg;
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$subject =~ s/\\n/\n/g;
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$expect =~ s/\\n/\n/g;
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$expect = $repl = '-' if $skip_amp and $input =~ /\$[&\`\']/;
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for $study ("", "study \$subject") {
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$c = $iters;
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eval "$study; \$match = (\$subject =~ m$pat) while \$c--; \$got = \"$repl\";";
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chomp( $err = $@ );
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if ($result eq 'c') {
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if ($err !~ m!^\Q$expect!) { print "not ok $. (compile) $input => `$err'\n"; next TEST }
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last; # no need to study a syntax error
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}
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elsif ($@) {
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print "not ok $. $input => error `$err'\n"; next TEST;
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}
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elsif ($result eq 'n') {
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if ($match) { print "not ok $. ($study) $input => false positive\n"; next TEST }
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}
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else {
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if (!$match || $got ne $expect) {
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print "not ok $. ($study) $input => `$got', match=$match\n";
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next TEST;
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}
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}
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}
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print "ok $.\n";
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}
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close(TESTS);
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sub infty_subst # Special-case substitution
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{ # of $reg_infty and friends
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my $tp = shift;
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$$tp =~ s/,\$reg_infty_m}/,$reg_infty_m}/o;
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$$tp =~ s/,\$reg_infty_p}/,$reg_infty_p}/o;
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$$tp =~ s/,\$reg_infty}/,$reg_infty}/o;
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}
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