2 # t/test.pl - most of Test::More functionality without the fuss, plus
3 # has mappings native_to_latin1 and latin1_to_native so that fewer tests
4 # on non ASCII-ish platforms need to be skipped
9 # Increment ($x++) has a certain amount of cleverness for things like
12 # $x++; # $x eq 'aaa';
14 # stands more chance of breaking than just a simple
18 # In this file, we use the latter "Baby Perl" approach, and increment
19 # will be worked over by t/op/inc.t
25 my $Perl; # Safer version of $^X set by which_perl()
27 # This defines ASCII/UTF-8 vs EBCDIC/UTF-EBCDIC
28 $::IS_ASCII = ord 'A' == 65;
29 $::IS_EBCDIC = ord 'A' == 193;
33 $Tests_Are_Passing = 1;
35 # Use this instead of print to avoid interference while testing globals.
37 local($\, $", $,) = (undef, ' ', '');
42 local($\, $", $,) = (undef, ' ', '');
50 if ($n eq 'no_plan') {
58 _print "1..$n\n" unless $noplan;
63 # Set the plan at the end. See Test::More::done_testing.
76 if (defined $planned && $planned != $ran) {
78 "# Looks like you planned $planned tests but ran $ran.\n";
87 my @mess = _comment(@_);
88 $TODO ? _print(@mess) : _print_stderr(@mess);
91 # Use this instead of "print STDERR" when outputting failure diagnostic
97 # Use this instead of "print" when outputting informational messages
100 _print( _comment(@_) );
104 return !defined &DynaLoader::boot_DynaLoader;
108 return map { /^#/ ? "$_\n" : "# $_\n" }
109 map { split /\n/ } @_;
112 sub _have_dynamic_extension {
113 my $extension = shift;
114 unless (eval {require Config; 1}) {
115 warn "test.pl had problems loading Config: $@";
118 $extension =~ s!::!/!g;
119 return 1 if ($Config::Config{extensions} =~ /\b$extension\b/);
124 _print "1..0 # Skip @_\n";
131 sub skip_all_if_miniperl {
132 skip_all(@_) if is_miniperl();
135 sub skip_all_without_dynamic_extension {
136 my ($extension) = @_;
137 skip_all("no dynamic loading on miniperl, no $extension") if is_miniperl();
138 return if &_have_dynamic_extension;
139 skip_all("$extension was not built");
142 sub skip_all_without_perlio {
143 skip_all('no PerlIO') unless PerlIO::Layer->find('perlio');
146 sub skip_all_without_config {
147 unless (eval {require Config; 1}) {
148 warn "test.pl had problems loading Config: $@";
152 next if $Config::Config{$_};
153 my $key = $_; # Need to copy, before trying to modify.
160 sub find_git_or_skip {
161 my ($source_dir, $reason);
164 } elsif (-l 'MANIFEST' && -l 'AUTHORS') {
165 my $where = readlink 'MANIFEST';
166 die "Can't readling MANIFEST: $!" unless defined $where;
167 die "Confusing symlink target for MANIFEST, '$where'"
168 unless $where =~ s!/MANIFEST\z!!;
169 if (-d "$where/.git") {
170 # Looks like we are in a symlink tree
171 if (exists $ENV{GIT_DIR}) {
172 diag("Found source tree at $where, but \$ENV{GIT_DIR} is $ENV{GIT_DIR}. Not changing it");
174 note("Found source tree at $where, setting \$ENV{GIT_DIR}");
175 $ENV{GIT_DIR} = "$where/.git";
177 $source_dir = $where;
179 } elsif (exists $ENV{GIT_DIR}) {
180 my $commit = '8d063cd8450e59ea1c611a2f4f5a21059a2804f1';
181 my $out = `git rev-parse --verify --quiet '$commit^{commit}'`;
183 if($out eq $commit) {
188 my $version_string = `git --version`;
189 if (defined $version_string
190 && $version_string =~ /\Agit version (\d+\.\d+\.\d+)(.*)/) {
191 return $source_dir if eval "v$1 ge v1.5.0";
192 # If you have earlier than 1.5.0 and it works, change this test
193 $reason = "in git checkout, but git version '$1$2' too old";
195 $reason = "in git checkout, but cannot run git";
198 $reason = 'not being run from a git checkout';
200 skip_all($reason) if $_[0] && $_[0] eq 'all';
206 _print("Bail out! $reason\n");
211 my ($pass, $where, $name, @mess) = @_;
212 # Do not try to microoptimize by factoring out the "not ".
216 # escape out '#' or it will interfere with '# skip' and such
218 $out = $pass ? "ok $test - $name" : "not ok $test - $name";
220 $out = $pass ? "ok $test" : "not ok $test";
224 $out = $out . " # TODO $TODO";
226 $Tests_Are_Passing = 0 unless $pass;
232 note @mess; # Ensure that the message is properly escaped.
235 my $msg = "# Failed test $test - ";
236 $msg.= "$name " if $name;
242 $test = $test + 1; # don't use ++
248 my @caller = caller($Level);
249 return "at $caller[1] line $caller[2]";
252 # DON'T use this for matches. Use like() instead.
254 my ($pass, $name, @mess) = @_;
255 _ok($pass, _where(), $name, @mess);
260 return 'undef' unless defined $x;
269 return defined $x ? '"' . display ($x) . '"' : 'undef';
272 # keys are the codes \n etc map to, values are 2 char strings such as \n
273 my %backslash_escape;
274 foreach my $x (split //, 'nrtfa\\\'"') {
275 $backslash_escape{ord eval "\"\\$x\""} = "\\$x";
277 # A way to display scalars containing control characters and Unicode.
278 # Trying to avoid setting $_, or relying on local $_ to work.
282 if (defined $x and not ref $x) {
284 foreach my $c (unpack("U*", $x)) {
286 $y = $y . sprintf "\\x{%x}", $c;
287 } elsif ($backslash_escape{$c}) {
288 $y = $y . $backslash_escape{$c};
290 my $z = chr $c; # Maybe we can get away with a literal...
291 if ($z =~ /[[:^print:]]/) {
293 # Use octal for characters traditionally expressed as
294 # such: the low controls, which on EBCDIC aren't
295 # necessarily the same ones as on ASCII platforms, but
296 # are small ordinals, nonetheless
298 $z = sprintf "\\%03o", $c;
300 $z = sprintf "\\x{%x}", $c;
308 return $x unless wantarray;
315 my ($got, $expected, $name, @mess) = @_;
318 if( !defined $got || !defined $expected ) {
319 # undef only matches undef
320 $pass = !defined $got && !defined $expected;
323 $pass = $got eq $expected;
327 unshift(@mess, "# got "._qq($got)."\n",
328 "# expected "._qq($expected)."\n");
330 _ok($pass, _where(), $name, @mess);
334 my ($got, $isnt, $name, @mess) = @_;
337 if( !defined $got || !defined $isnt ) {
338 # undef only matches undef
339 $pass = defined $got || defined $isnt;
342 $pass = $got ne $isnt;
346 unshift(@mess, "# it should not be "._qq($got)."\n",
349 _ok($pass, _where(), $name, @mess);
353 my($got, $type, $expected, $name, @mess) = @_;
358 local($@,$!); # don't interfere with $@
359 # eval() sometimes resets $!
360 $pass = eval "\$got $type \$expected";
363 # It seems Irix long doubles can have 2147483648 and 2147483648
364 # that stringify to the same thing but are actually numerically
365 # different. Display the numbers if $type isn't a string operator,
366 # and the numbers are stringwise the same.
367 # (all string operators have alphabetic names, so tr/a-z// is true)
368 # This will also show numbers for some unneeded cases, but will
369 # definitely be helpful for things such as == and <= that fail
370 if ($got eq $expected and $type !~ tr/a-z//) {
371 unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
373 unshift(@mess, "# got "._qq($got)."\n",
374 "# expected $type "._qq($expected)."\n");
376 _ok($pass, _where(), $name, @mess);
379 # Check that $got is within $range of $expected
380 # if $range is 0, then check it's exact
381 # else if $expected is 0, then $range is an absolute value
382 # otherwise $range is a fractional error.
383 # Here $range must be numeric, >= 0
384 # Non numeric ranges might be a useful future extension. (eg %)
386 my ($got, $expected, $range, $name, @mess) = @_;
388 if (!defined $got or !defined $expected or !defined $range) {
389 # This is a fail, but doesn't need extra diagnostics
390 } elsif ($got !~ tr/0-9// or $expected !~ tr/0-9// or $range !~ tr/0-9//) {
392 unshift @mess, "# got, expected and range must be numeric\n";
393 } elsif ($range < 0) {
394 # This is also a fail
395 unshift @mess, "# range must not be negative\n";
396 } elsif ($range == 0) {
398 $pass = $got == $expected;
399 } elsif ($expected == 0) {
400 # If expected is 0, treat range as absolute
401 $pass = ($got <= $range) && ($got >= - $range);
403 my $diff = $got - $expected;
404 $pass = abs ($diff / $expected) < $range;
407 if ($got eq $expected) {
408 unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
410 unshift@mess, "# got "._qq($got)."\n",
411 "# expected "._qq($expected)." (within "._qq($range).")\n";
413 _ok($pass, _where(), $name, @mess);
416 # Note: this isn't quite as fancy as Test::More::like().
418 sub like ($$@) { like_yn (0,@_) }; # 0 for -
419 sub unlike ($$@) { like_yn (1,@_) }; # 1 for un-
422 my ($flip, undef, $expected, $name, @mess) = @_;
424 $pass = $_[1] =~ /$expected/ if !$flip;
425 $pass = $_[1] !~ /$expected/ if $flip;
427 unshift(@mess, "# got '$_[1]'\n",
429 ? "# expected !~ /$expected/\n" : "# expected /$expected/\n");
431 local $Level = $Level + 1;
432 _ok($pass, _where(), $name, @mess);
440 _ok(0, _where(), @_);
450 $test = $test + 1; # don't use ++
454 # Note: can't pass multipart messages since we try to
455 # be compatible with Test::More::skip().
458 my $n = @_ ? shift : 1;
460 _print "ok $test # skip $why\n";
467 sub skip_if_miniperl {
468 skip(@_) if is_miniperl();
471 sub skip_without_dynamic_extension {
472 my ($extension) = @_;
473 skip("no dynamic loading on miniperl, no $extension") if is_miniperl();
474 return if &_have_dynamic_extension;
475 skip("$extension was not built");
480 my $n = @_ ? shift : 1;
483 _print "not ok $test # TODO & SKIP $why\n";
492 return 0 unless $#$ra == $#$rb;
493 for my $i (0..$#$ra) {
494 next if !defined $ra->[$i] && !defined $rb->[$i];
495 return 0 if !defined $ra->[$i];
496 return 0 if !defined $rb->[$i];
497 return 0 unless $ra->[$i] eq $rb->[$i];
503 my ($orig, $suspect) = @_;
505 while (my ($key, $value) = each %$suspect) {
506 # Force a hash recompute if this perl's internals can cache the hash key.
508 if (exists $orig->{$key}) {
510 defined $orig->{$key} != defined $value
511 || (defined $value && $orig->{$key} ne $value)
513 _print "# key ", _qq($key), " was ", _qq($orig->{$key}),
514 " now ", _qq($value), "\n";
518 _print "# key ", _qq($key), " is ", _qq($value),
519 ", not in original.\n";
523 foreach (keys %$orig) {
524 # Force a hash recompute if this perl's internals can cache the hash key.
526 next if (exists $suspect->{$_});
527 _print "# key ", _qq($_), " was ", _qq($orig->{$_}), " now missing.\n";
533 # We only provide a subset of the Test::More functionality.
536 if ($require =~ tr/[A-Za-z0-9:.]//c) {
537 fail("Invalid character in \"$require\", passed to require_ok");
542 is($@, '', _where(), "require $require");
548 if ($use =~ tr/[A-Za-z0-9:.]//c) {
549 fail("Invalid character in \"$use\", passed to use");
554 is($@, '', _where(), "use $use");
558 # runperl - Runs a separate perl interpreter and returns its output.
560 # switches => [ command-line switches ]
561 # nolib => 1 # don't use -I../lib (included by default)
562 # non_portable => Don't warn if a one liner contains quotes
563 # prog => one-liner (avoid quotes)
564 # progs => [ multi-liner (avoid quotes) ]
565 # progfile => perl script
566 # stdin => string to feed the stdin (or undef to redirect from /dev/null)
567 # stderr => If 'devnull' suppresses stderr, if other TRUE value redirect
569 # args => [ command-line arguments to the perl program ]
570 # verbose => print the command line
572 my $is_mswin = $^O eq 'MSWin32';
573 my $is_netware = $^O eq 'NetWare';
574 my $is_vms = $^O eq 'VMS';
575 my $is_cygwin = $^O eq 'cygwin';
578 my ($runperl, $args) = @_;
581 # In VMS protect with doublequotes because otherwise
582 # DCL will lowercase -- unless already doublequoted.
583 $_ = q(").$_.q(") if $is_vms && !/^\"/ && length($_) > 0;
584 $runperl = $runperl . ' ' . $_;
589 sub _create_runperl { # Create the string to qx in runperl().
591 my $runperl = which_perl();
592 if ($runperl =~ m/\s/) {
593 $runperl = qq{"$runperl"};
595 #- this allows, for example, to set PERL_RUNPERL_DEBUG=/usr/bin/valgrind
596 if ($ENV{PERL_RUNPERL_DEBUG}) {
597 $runperl = "$ENV{PERL_RUNPERL_DEBUG} $runperl";
599 unless ($args{nolib}) {
600 $runperl = $runperl . ' "-I../lib"'; # doublequotes because of VMS
602 if ($args{switches}) {
604 die "test.pl:runperl(): 'switches' must be an ARRAYREF " . _where()
605 unless ref $args{switches} eq "ARRAY";
606 $runperl = _quote_args($runperl, $args{switches});
608 if (defined $args{prog}) {
609 die "test.pl:runperl(): both 'prog' and 'progs' cannot be used " . _where()
610 if defined $args{progs};
611 $args{progs} = [$args{prog}]
613 if (defined $args{progs}) {
614 die "test.pl:runperl(): 'progs' must be an ARRAYREF " . _where()
615 unless ref $args{progs} eq "ARRAY";
616 foreach my $prog (@{$args{progs}}) {
617 if (!$args{non_portable}) {
618 if ($prog =~ tr/'"//) {
619 warn "quotes in prog >>$prog<< are not portable";
621 if ($prog =~ /^([<>|]|2>)/) {
622 warn "Initial $1 in prog >>$prog<< is not portable";
624 if ($prog =~ /&\z/) {
625 warn "Trailing & in prog >>$prog<< is not portable";
628 if ($is_mswin || $is_netware || $is_vms) {
629 $runperl = $runperl . qq ( -e "$prog" );
632 $runperl = $runperl . qq ( -e '$prog' );
635 } elsif (defined $args{progfile}) {
636 $runperl = $runperl . qq( "$args{progfile}");
638 # You probably didn't want to be sucking in from the upstream stdin
639 die "test.pl:runperl(): none of prog, progs, progfile, args, "
640 . " switches or stdin specified"
641 unless defined $args{args} or defined $args{switches}
642 or defined $args{stdin};
644 if (defined $args{stdin}) {
645 # so we don't try to put literal newlines and crs onto the
647 $args{stdin} =~ s/\n/\\n/g;
648 $args{stdin} =~ s/\r/\\r/g;
650 if ($is_mswin || $is_netware || $is_vms) {
651 $runperl = qq{$Perl -e "print qq(} .
652 $args{stdin} . q{)" | } . $runperl;
655 $runperl = qq{$Perl -e 'print qq(} .
656 $args{stdin} . q{)' | } . $runperl;
658 } elsif (exists $args{stdin}) {
659 # Using the pipe construction above can cause fun on systems which use
660 # ksh as /bin/sh, as ksh does pipes differently (with one less process)
661 # With sh, for the command line 'perl -e 'print qq()' | perl -e ...'
662 # the sh process forks two children, which use exec to start the two
663 # perl processes. The parent shell process persists for the duration of
664 # the pipeline, and the second perl process starts with no children.
665 # With ksh (and zsh), the shell saves a process by forking a child for
666 # just the first perl process, and execing itself to start the second.
667 # This means that the second perl process starts with one child which
668 # it didn't create. This causes "fun" when if the tests assume that
669 # wait (or waitpid) will only return information about processes
670 # started within the test.
671 # They also cause fun on VMS, where the pipe implementation returns
672 # the exit code of the process at the front of the pipeline, not the
673 # end. This messes up any test using OPTION FATAL.
674 # Hence it's useful to have a way to make STDIN be at eof without
675 # needing a pipeline, so that the fork tests have a sane environment
676 # without these surprises.
678 # /dev/null appears to be surprisingly portable.
679 $runperl = $runperl . ($is_mswin ? ' <nul' : ' </dev/null');
681 if (defined $args{args}) {
682 $runperl = _quote_args($runperl, $args{args});
684 if (exists $args{stderr} && $args{stderr} eq 'devnull') {
685 $runperl = $runperl . ($is_mswin ? ' 2>nul' : ' 2>/dev/null');
687 elsif ($args{stderr}) {
688 $runperl = $runperl . ' 2>&1';
690 if ($args{verbose}) {
691 my $runperldisplay = $runperl;
692 $runperldisplay =~ s/\n/\n\#/g;
693 _print_stderr "# $runperldisplay\n";
699 die "test.pl:runperl() does not take a hashref"
700 if ref $_[0] and ref $_[0] eq 'HASH';
701 my $runperl = &_create_runperl;
704 my $tainted = ${^TAINT};
706 exists $args{switches} && grep m/^-T$/, @{$args{switches}} and $tainted = $tainted + 1;
709 # We will assume that if you're running under -T, you really mean to
710 # run a fresh perl, so we'll brute force launder everything for you
713 if (! eval {require Config; 1}) {
714 warn "test.pl had problems loading Config: $@";
717 $sep = $Config::Config{path_sep};
720 my @keys = grep {exists $ENV{$_}} qw(CDPATH IFS ENV BASH_ENV);
721 local @ENV{@keys} = ();
722 # Untaint, plus take out . and empty string:
723 local $ENV{'DCL$PATH'} = $1 if $is_vms && exists($ENV{'DCL$PATH'}) && ($ENV{'DCL$PATH'} =~ /(.*)/s);
724 $ENV{PATH} =~ /(.*)/s;
726 join $sep, grep { $_ ne "" and $_ ne "." and -d $_ and
727 ($is_mswin or $is_vms or !(stat && (stat _)[2]&0022)) }
728 split quotemeta ($sep), $1;
729 if ($is_cygwin) { # Must have /bin under Cygwin
730 if (length $ENV{PATH}) {
731 $ENV{PATH} = $ENV{PATH} . $sep;
733 $ENV{PATH} = $ENV{PATH} . '/bin';
738 $result = `$runperl`;
740 $result = `$runperl`;
742 $result =~ s/\n\n/\n/g if $is_vms; # XXX pipes sometimes double these
747 *run_perl = *run_perl = \&runperl; # shut up "used only once" warning
750 _print_stderr "# @_\n";
754 # A somewhat safer version of the sometimes wrong $^X.
756 unless (defined $Perl) {
759 # VMS should have 'perl' aliased properly
760 return $Perl if $is_vms;
763 if (! eval {require Config; 1}) {
764 warn "test.pl had problems loading Config: $@";
767 $exe = $Config::Config{_exe};
769 $exe = '' unless defined $exe;
771 # This doesn't absolutize the path: beware of future chdirs().
772 # We could do File::Spec->abs2rel() but that does getcwd()s,
773 # which is a bit heavyweight to do here.
775 if ($Perl =~ /^perl\Q$exe\E$/i) {
776 my $perl = "perl$exe";
777 if (! eval {require File::Spec; 1}) {
778 warn "test.pl had problems loading File::Spec: $@";
781 $Perl = File::Spec->catfile(File::Spec->curdir(), $perl);
785 # Build up the name of the executable file from the name of
788 if ($Perl !~ /\Q$exe\E$/i) {
789 $Perl = $Perl . $exe;
792 warn "which_perl: cannot find $Perl from $^X" unless -f $Perl;
794 # For subcommands to use.
795 $ENV{PERLEXE} = $Perl;
802 foreach my $file (@_) {
803 1 while unlink $file;
805 _print_stderr "# Couldn't unlink '$file': $!\n";
813 # _num_to_alpha - Returns a string of letters representing a positive integer.
816 # maximum number of letters
818 # returns undef if the number is negative
819 # returns undef if the number of letters is greater than the maximum wanted
821 # _num_to_alpha( 0) eq 'A';
822 # _num_to_alpha( 1) eq 'B';
823 # _num_to_alpha(25) eq 'Z';
824 # _num_to_alpha(26) eq 'AA';
825 # _num_to_alpha(27) eq 'AB';
827 my @letters = qw(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z);
829 # Avoid ++ -- ranges split negative numbers
831 my($num,$max_char) = @_;
832 return unless $num >= 0;
835 $max_char = 0 if $max_char < 0;
838 $alpha = $letters[ $num % 26 ] . $alpha;
839 $num = int( $num / 26 );
844 next unless $max_char;
845 $char_count = $char_count + 1;
846 return if $char_count == $max_char;
852 END { unlink_all keys %tmpfiles }
854 # A regexp that matches the tempfile names
855 $::tempfile_regexp = 'tmp\d+[A-Z][A-Z]?';
857 # Avoid ++, avoid ranges, avoid split //
858 my $tempfile_count = 0;
862 my $alpha = _num_to_alpha($tempfile_count,2);
863 last unless defined $alpha;
864 $try = $try . $alpha;
865 $tempfile_count = $tempfile_count + 1;
867 # Need to note all the file names we allocated, as a second request may
868 # come before the first is created.
869 if (!$tmpfiles{$try} && !-e $try) {
875 die "Can't find temporary file name starting \"tmp$$\"";
878 # register_tempfile - Adds a list of files to be removed at the end of the current test file
880 # a list of files to be removed later
882 # returns a count of how many file names were actually added
884 # Reuses %tmpfiles so that tempfile() will also skip any files added here
885 # even if the file doesn't exist yet.
887 sub register_tempfile {
891 _print_stderr "# Temporary file '$_' already added\n";
900 # This is the temporary file for _fresh_perl
901 my $tmpfile = tempfile();
904 my($prog, $action, $expect, $runperl_args, $name) = @_;
906 # Given the choice of the mis-parsable {}
907 # (we want an anon hash, but a borked lexer might think that it's a block)
908 # or relying on taking a reference to a lexical
909 # (\ might be mis-parsed, and the reference counting on the pad may go
911 # it feels like the least-worse thing is to assume that auto-vivification
912 # works. At least, this is only going to be a run-time failure, so won't
913 # affect tests using this file but not this function.
914 $runperl_args->{progfile} ||= $tmpfile;
915 $runperl_args->{stderr} = 1 unless exists $runperl_args->{stderr};
917 open TEST, ">$tmpfile" or die "Cannot open $tmpfile: $!";
919 close TEST or die "Cannot close $tmpfile: $!";
921 my $results = runperl(%$runperl_args);
924 # Clean up the results into something a bit more predictable.
925 $results =~ s/\n+$//;
926 $results =~ s/at\s+$::tempfile_regexp\s+line/at - line/g;
927 $results =~ s/of\s+$::tempfile_regexp\s+aborted/of - aborted/g;
929 # bison says 'parse error' instead of 'syntax error',
930 # various yaccs may or may not capitalize 'syntax'.
931 $results =~ s/^(syntax|parse) error/syntax error/mig;
934 # some tests will trigger VMS messages that won't be expected
935 $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
937 # pipes double these sometimes
938 $results =~ s/\n\n/\n/g;
941 # Use the first line of the program as a name if none was given
943 ($first_line, $name) = $prog =~ /^((.{1,50}).*)/;
944 $name = $name . '...' if length $first_line > length $name;
947 # Historically this was implemented using a closure, but then that means
948 # that the tests for closures avoid using this code. Given that there
949 # are exactly two callers, doing exactly two things, the simpler approach
950 # feels like a better trade off.
952 if ($action eq 'eq') {
953 $pass = is($results, $expect, $name);
954 } elsif ($action eq '=~') {
955 $pass = like($results, $expect, $name);
957 die "_fresh_perl can't process action '$action'";
961 _diag "# PROG: \n$prog\n";
962 _diag "# STATUS: $status\n";
971 # Combination of run_perl() and is().
975 my($prog, $expected, $runperl_args, $name) = @_;
977 # _fresh_perl() is going to clip the trailing newlines off the result.
978 # This will make it so the test author doesn't have to know that.
979 $expected =~ s/\n+$//;
982 _fresh_perl($prog, 'eq', $expected, $runperl_args, $name);
988 # Combination of run_perl() and like().
991 sub fresh_perl_like {
992 my($prog, $expected, $runperl_args, $name) = @_;
994 _fresh_perl($prog, '=~', $expected, $runperl_args, $name);
997 # Many tests use the same format in __DATA__ or external files to specify a
998 # sequence of (fresh) tests to run, extra files they may temporarily need, and
999 # what the expected output is. Putting it here allows common code to serve
1000 # these multiple tests.
1002 # Each program is source code to run followed by an "EXPECT" line, followed
1003 # by the expected output.
1005 # The code to run may begin with a command line switch such as -w or -0777
1006 # (alphanumerics only), and may contain (note the '# ' on each):
1007 # # TODO reason for todo
1008 # # SKIP reason for skip
1009 # # SKIP ?code to test if this should be skipped
1010 # # NAME name of the test (as with ok($ok, $name))
1012 # The expected output may contain:
1013 # OPTION list of options
1014 # OPTIONS list of options
1016 # The possible options for OPTION may be:
1017 # regex - the expected output is a regular expression
1018 # random - all lines match but in any order
1019 # fatal - the code will fail fatally (croak, die)
1021 # If the actual output contains a line "SKIPPED" the test will be
1024 # If the actual output contains a line "PREFIX", any output starting with that
1025 # line will be ignored when comparing with the expected output
1027 # If the global variable $FATAL is true then OPTION fatal is the
1030 sub _setup_one_file {
1032 # Store the filename as a program that started at line 0.
1033 # Real files count lines starting at line 1.
1034 my @these = (0, shift);
1035 my ($lineno, $current);
1037 if ($_ eq "########\n") {
1038 if (defined $current) {
1039 push @these, $lineno, $current;
1043 if (!defined $current) {
1049 if (defined $current) {
1050 push @these, $lineno, $current;
1052 ((scalar @these) / 2 - 1, @these);
1055 sub setup_multiple_progs {
1057 foreach my $file (@_) {
1058 next if $file =~ /(?:~|\.orig|,v)$/;
1059 next if $file =~ /perlio$/ && !PerlIO::Layer->find('perlio');
1062 open my $fh, '<', $file or die "Cannot open $file: $!\n" ;
1070 # This is an internal error, and should never happen. All bar one of
1071 # the files had an __END__ marker to signal the end of their preamble,
1072 # although for some it wasn't technically necessary as they have no
1073 # tests. It might be possible to process files without an __END__ by
1074 # seeking back to the start and treating the whole file as tests, but
1075 # it's simpler and more reliable just to make the rule that all files
1076 # must have __END__ in. This should never fail - a file without an
1077 # __END__ should not have been checked in, because the regression tests
1078 # would not have passed.
1079 die "Could not find '__END__' in $file"
1082 my ($t, @p) = _setup_one_file($fh, $file);
1087 or die "Cannot close $file: $!\n";
1089 return ($tests, @prgs);
1092 sub run_multiple_progs {
1096 # The tests in lib run in a temporary subdirectory of t, and always
1097 # pass in a list of "programs" to run
1100 # The tests below t run in t and pass in a file handle. In theory we
1101 # can pass (caller)[1] as the second argument to report errors with
1102 # the filename of our caller, as the handle is always DATA. However,
1103 # line numbers in DATA count from the __END__ token, so will be wrong.
1104 # Which is more confusing than not providing line numbers. So, for now,
1105 # don't provide line numbers. No obvious clean solution - one hack
1106 # would be to seek DATA back to the start and read to the __END__ token,
1107 # but that feels almost like we should just open $0 instead.
1109 # Not going to rely on undef in list assignment.
1111 ($dummy, @prgs) = _setup_one_file(shift);
1114 my $tmpfile = tempfile();
1118 while (defined ($line = shift @prgs)) {
1122 if (defined $file) {
1123 print "# From $file\n";
1130 if (s/^(\s*-\w+)//) {
1133 my ($prog, $expected) = split(/\nEXPECT(?:\n|$)/, $_, 2);
1136 foreach my $what (qw(skip todo)) {
1137 $prog =~ s/^#\s*\U$what\E\s*(.*)\n//m and $reason{$what} = $1;
1138 # If the SKIP reason starts ? then it's taken as a code snippet to
1139 # evaluate. This provides the flexibility to have conditional SKIPs
1140 if ($reason{$what} && $reason{$what} =~ s/^\?//) {
1141 my $temp = eval $reason{$what};
1143 die "# In \U$what\E code reason:\n# $reason{$what}\n$@";
1145 $reason{$what} = $temp;
1150 if ($prog =~ s/^#\s*NAME\s+(.+)\n//m) {
1154 if ($reason{skip}) {
1157 skip($name ? "$name - $reason{skip}" : $reason{skip}, 1);
1162 if ($prog =~ /--FILE--/) {
1163 my @files = split(/\n?--FILE--\s*([^\s\n]*)\s*\n/, $prog) ;
1165 die "Internal error: test $_ didn't split into pairs, got " .
1166 scalar(@files) . "[" . join("%%%%", @files) ."]\n"
1168 while (@files > 2) {
1169 my $filename = shift @files;
1170 my $code = shift @files;
1171 push @temps, $filename;
1172 if ($filename =~ m#(.*)/# && $filename !~ m#^\.\./#) {
1174 File::Path::mkpath($1);
1175 push(@temp_path, $1);
1177 open my $fh, '>', $filename or die "Cannot open $filename: $!\n";
1179 close $fh or die "Cannot close $filename: $!\n";
1182 $prog = shift @files;
1185 open my $fh, '>', $tmpfile or die "Cannot open >$tmpfile: $!";
1188 open STDERR, '>&', STDOUT
1189 or die "Can't dup STDOUT->STDERR: $!;";
1192 print $fh "\n#line 1\n"; # So the line numbers don't get messed up.
1193 print $fh $prog,"\n";
1194 close $fh or die "Cannot close $tmpfile: $!";
1195 my $results = runperl( stderr => 1, progfile => $tmpfile,
1197 ? (switches => ["-I$up/lib", $switch], nolib => 1)
1198 : (switches => [$switch])
1201 $results =~ s/\n+$//;
1202 # allow expected output to be written as if $prog is on STDIN
1203 $results =~ s/$::tempfile_regexp/-/g;
1205 # some tests will trigger VMS messages that won't be expected
1206 $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
1208 # pipes double these sometimes
1209 $results =~ s/\n\n/\n/g;
1211 # bison says 'parse error' instead of 'syntax error',
1212 # various yaccs may or may not capitalize 'syntax'.
1213 $results =~ s/^(syntax|parse) error/syntax error/mig;
1214 # allow all tests to run when there are leaks
1215 $results =~ s/Scalars leaked: \d+\n//g;
1217 $expected =~ s/\n+$//;
1218 my $prefix = ($results =~ s#^PREFIX(\n|$)##) ;
1219 # any special options? (OPTIONS foo bar zap)
1220 my $option_regex = 0;
1221 my $option_random = 0;
1223 if ($expected =~ s/^OPTIONS? (.+)\n//) {
1224 foreach my $option (split(' ', $1)) {
1225 if ($option eq 'regex') { # allow regular expressions
1228 elsif ($option eq 'random') { # all lines match, but in any order
1231 elsif ($option eq 'fatal') { # perl should fail
1235 die "$0: Unknown OPTION '$option'\n";
1239 die "$0: can't have OPTION regex and random\n"
1240 if $option_regex + $option_random > 1;
1242 if ($results =~ s/^SKIPPED\n//) {
1243 print "$results\n" ;
1247 if ($option_random) {
1248 my @got = sort split "\n", $results;
1249 my @expected = sort split "\n", $expected;
1251 $ok = "@got" eq "@expected";
1253 elsif ($option_regex) {
1254 $ok = $results =~ /^$expected/;
1257 $ok = $results =~ /^\Q$expected/;
1260 $ok = $results eq $expected;
1263 if ($ok && $fatal && !($status >> 8)) {
1268 local $::TODO = $reason{todo};
1271 my $err_line = "PROG: $switch\n$prog\n" .
1272 "EXPECTED:\n$expected\n";
1273 $err_line .= "EXIT STATUS: != 0\n" if $fatal;
1274 $err_line .= "GOT:\n$results\n";
1275 $err_line .= "EXIT STATUS: " . ($status >> 8) . "\n" if $fatal;
1277 $err_line =~ s/^/# /mg;
1278 print $err_line; # Harness can't filter it out from STDERR.
1281 print STDERR $err_line;
1285 if (defined $file) {
1286 _ok($ok, "at $file line $line", $name);
1288 # We don't have file and line number data for the test, so report
1289 # errors as coming from our caller.
1290 local $Level = $Level + 1;
1297 foreach (@temp_path) {
1298 File::Path::rmtree $_ if -d $_;
1304 my($proto, @methods) = @_;
1305 my $class = ref $proto || $proto;
1307 unless( @methods ) {
1308 return _ok( 0, _where(), "$class->can(...)" );
1312 foreach my $method (@methods) {
1313 local($!, $@); # don't interfere with caller's $@
1314 # eval sometimes resets $!
1315 eval { $proto->can($method) } || push @nok, $method;
1319 $name = @methods == 1 ? "$class->can('$methods[0]')"
1320 : "$class->can(...)";
1322 _ok( !@nok, _where(), $name );
1326 # Call $class->new( @$args ); and run the result through object_ok.
1327 # See Test::More::new_ok
1329 my($class, $args, $obj_name) = @_;
1331 $object_name = "The object" unless defined $obj_name;
1333 local $Level = $Level + 1;
1336 my $ok = eval { $obj = $class->new(@$args); 1 };
1340 object_ok($obj, $class, $object_name);
1343 ok( 0, "new() died" );
1344 diag("Error was: $@");
1353 my($object, $class, $obj_name) = @_;
1356 $obj_name = 'The object' unless defined $obj_name;
1357 my $name = "$obj_name isa $class";
1358 if( !defined $object ) {
1359 $diag = "$obj_name isn't defined";
1362 my $whatami = ref $object ? 'object' : 'class';
1364 # We can't use UNIVERSAL::isa because we want to honor isa() overrides
1365 local($@, $!); # eval sometimes resets $!
1366 my $rslt = eval { $object->isa($class) };
1367 my $error = $@; # in case something else blows away $@
1370 if( $error =~ /^Can't call method "isa" on unblessed reference/ ) {
1371 # It's an unblessed reference
1372 $obj_name = 'The reference' unless defined $obj_name;
1373 if( !UNIVERSAL::isa($object, $class) ) {
1374 my $ref = ref $object;
1375 $diag = "$obj_name isn't a '$class' it's a '$ref'";
1378 elsif( $error =~ /Can't call method "isa" without a package/ ) {
1379 # It's something that can't even be a class
1380 $obj_name = 'The thing' unless defined $obj_name;
1381 $diag = "$obj_name isn't a class or reference";
1385 WHOA! I tried to call ->isa on your object and got some weird error.
1386 This should never happen. Please contact the author immediately.
1393 $obj_name = "The $whatami" unless defined $obj_name;
1394 my $ref = ref $object;
1395 $diag = "$obj_name isn't a '$class' it's a '$ref'";
1399 _ok( !$diag, _where(), $name );
1404 my($class, $isa, $class_name) = @_;
1406 # Written so as to count as one test
1407 local $Level = $Level + 1;
1409 ok( 0, "$class is a refrence, not a class name" );
1412 isa_ok($class, $isa, $class_name);
1418 my($obj, $isa, $obj_name) = @_;
1420 local $Level = $Level + 1;
1422 ok( 0, "$obj is not a reference" );
1425 isa_ok($obj, $isa, $obj_name);
1430 # Purposefully avoiding a closure.
1432 push @::__capture, join "", @_;
1435 sub capture_warnings {
1439 local $SIG {__WARN__} = \&__capture;
1441 return @::__capture;
1444 # This will generate a variable number of tests.
1445 # Use done_testing() instead of a fixed plan.
1447 my ($code, $expect, $name) = @_;
1448 local $Level = $Level + 1;
1450 my @w = capture_warnings($code);
1452 cmp_ok(scalar @w, '==', scalar @$expect, $name);
1453 foreach my $e (@$expect) {
1455 like(shift @w, $e, $name);
1457 is(shift @w, $e, $name);
1461 diag("Saw these additional warnings:");
1462 diag($_) foreach @w;
1466 sub _fail_excess_warnings {
1467 my($expect, $got, $name) = @_;
1468 local $Level = $Level + 1;
1469 # This will fail, and produce diagnostics
1470 is($expect, scalar @$got, $name);
1471 diag("Saw these warnings:");
1472 diag($_) foreach @$got;
1476 my ($code, $expect, $name) = @_;
1477 die sprintf "Expect must be a string or undef, not a %s reference", ref $expect
1479 local $Level = $Level + 1;
1480 my @w = capture_warnings($code);
1482 _fail_excess_warnings(0 + defined $expect, \@w, $name);
1484 is($w[0], $expect, $name);
1489 my ($code, $expect, $name) = @_;
1490 die sprintf "Expect must be a regexp object"
1491 unless ref $expect eq 'Regexp';
1492 local $Level = $Level + 1;
1493 my @w = capture_warnings($code);
1495 _fail_excess_warnings(0 + defined $expect, \@w, $name);
1497 like($w[0], $expect, $name);
1501 # Set a watchdog to timeout the entire test file
1502 # NOTE: If the test file uses 'threads', then call the watchdog() function
1503 # _AFTER_ the 'threads' module is loaded.
1506 my $timeout = shift;
1507 my $method = shift || "";
1508 my $timeout_msg = 'Test process timed out - terminating';
1510 # Valgrind slows perl way down so give it more time before dying.
1511 $timeout *= 10 if $ENV{PERL_VALGRIND};
1513 my $pid_to_kill = $$; # PID for this process
1515 if ($method eq "alarm") {
1516 goto WATCHDOG_VIA_ALARM;
1519 # shut up use only once warning
1520 my $threads_on = $threads::threads && $threads::threads;
1522 # Don't use a watchdog process if 'threads' is loaded -
1523 # use a watchdog thread instead
1524 if (!$threads_on || $method eq "process") {
1526 # On Windows and VMS, try launching a watchdog process
1527 # using system(1, ...) (see perlport.pod)
1528 if ($is_mswin || $is_vms) {
1529 # On Windows, try to get the 'real' PID
1531 eval { require Win32; };
1532 if (defined(&Win32::GetCurrentProcessId)) {
1533 $pid_to_kill = Win32::GetCurrentProcessId();
1537 # If we still have a fake PID, we can't use this method at all
1538 return if ($pid_to_kill <= 0);
1540 # Launch watchdog process
1543 local $SIG{'__WARN__'} = sub {
1544 _diag("Watchdog warning: $_[0]");
1546 my $sig = $is_vms ? 'TERM' : 'KILL';
1547 my $cmd = _create_runperl( prog => "sleep($timeout);" .
1548 "warn qq/# $timeout_msg" . '\n/;' .
1549 "kill($sig, $pid_to_kill);");
1550 $watchdog = system(1, $cmd);
1552 if ($@ || ($watchdog <= 0)) {
1553 _diag('Failed to start watchdog');
1559 # Add END block to parent to terminate and
1560 # clean up watchdog process
1561 # Win32 watchdog is launched by cmd.exe shell, so use process group
1562 # kill, otherwise the watchdog is never killed and harness waits
1563 # every time for the timeout, #121395
1565 "END { local \$! = 0; local \$? = 0;
1566 wait() if kill('-KILL', $watchdog); };"
1567 : "END { local \$! = 0; local \$? = 0;
1568 wait() if kill('KILL', $watchdog); };");
1572 # Try using fork() to generate a watchdog process
1574 eval { $watchdog = fork() };
1575 if (defined($watchdog)) {
1576 if ($watchdog) { # Parent process
1577 # Add END block to parent to terminate and
1578 # clean up watchdog process
1579 eval "END { local \$! = 0; local \$? = 0;
1580 wait() if kill('KILL', $watchdog); };";
1584 ### Watchdog process code
1586 # Load POSIX if available
1587 eval { require POSIX; };
1589 # Execute the timeout
1590 sleep($timeout - 2) if ($timeout > 2); # Workaround for perlbug #49073
1593 # Kill test process if still running
1594 if (kill(0, $pid_to_kill)) {
1595 _diag($timeout_msg);
1596 kill('KILL', $pid_to_kill);
1598 # sometimes the above isn't enough on cygwin
1599 sleep 1; # wait a little, it might have worked after all
1600 system("/bin/kill -f $pid_to_kill");
1604 # Don't execute END block (added at beginning of this file)
1607 # Terminate ourself (i.e., the watchdog)
1608 POSIX::_exit(1) if (defined(&POSIX::_exit));
1612 # fork() failed - fall through and try using a thread
1615 # Use a watchdog thread because either 'threads' is loaded,
1617 if (eval {require threads; 1}) {
1618 'threads'->create(sub {
1619 # Load POSIX if available
1620 eval { require POSIX; };
1622 # Execute the timeout
1623 my $time_left = $timeout;
1625 $time_left = $time_left - sleep($time_left);
1626 } while ($time_left > 0);
1628 # Kill the parent (and ourself)
1629 select(STDERR); $| = 1;
1630 _diag($timeout_msg);
1631 POSIX::_exit(1) if (defined(&POSIX::_exit));
1632 my $sig = $is_vms ? 'TERM' : 'KILL';
1633 kill($sig, $pid_to_kill);
1638 # If everything above fails, then just use an alarm timeout
1640 if (eval { alarm($timeout); 1; }) {
1641 # Load POSIX if available
1642 eval { require POSIX; };
1644 # Alarm handler will do the actual 'killing'
1645 $SIG{'ALRM'} = sub {
1646 select(STDERR); $| = 1;
1647 _diag($timeout_msg);
1648 POSIX::_exit(1) if (defined(&POSIX::_exit));
1649 my $sig = $is_vms ? 'TERM' : 'KILL';
1650 kill($sig, $pid_to_kill);
1655 # The following 2 functions allow tests to work on both EBCDIC and
1656 # ASCII-ish platforms. They convert string scalars between the native
1657 # character set and the set of 256 characters which is usually called
1660 sub native_to_latin1($) {
1663 return $string if ord('^') == 94; # ASCII, Latin1
1665 for my $i (0 .. length($string) - 1) {
1666 $output .= chr(ord_native_to_latin1(ord(substr($string, $i, 1))));
1668 # Preserve utf8ness of input onto the output, even if it didn't need to be
1670 utf8::upgrade($output) if utf8::is_utf8($string);
1675 sub latin1_to_native($) {
1678 return $string if ord('^') == 94; # ASCII, Latin1
1680 for my $i (0 .. length($string) - 1) {
1681 $output .= chr(ord_latin1_to_native(ord(substr($string, $i, 1))));
1683 # Preserve utf8ness of input onto the output, even if it didn't need to be
1685 utf8::upgrade($output) if utf8::is_utf8($string);
1690 sub ord_latin1_to_native {
1691 # given an input code point, return the platform's native
1692 # equivalent value. Anything above latin1 is itself.
1695 return $ord if ord('^') == 94; # ASCII, Latin1
1696 return utf8::unicode_to_native($ord);
1699 sub ord_native_to_latin1 {
1700 # given an input platform code point, return the latin1 equivalent value.
1701 # Anything above latin1 is itself.
1704 return $ord if ord('^') == 94; # ASCII, Latin1
1705 return utf8::native_to_unicode($ord);