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/ } @_;
114 _print "1..0 # Skip @_\n";
121 sub skip_all_if_miniperl {
122 skip_all(@_) if is_miniperl();
125 sub skip_all_without_dynamic_extension {
126 my $extension = shift;
127 skip_all("no dynamic loading on miniperl, no $extension") if is_miniperl();
128 unless (eval {require Config; 1}) {
129 warn "test.pl had problems loading Config: $@";
132 $extension =~ s!::!/!g;
133 return if ($Config::Config{extensions} =~ /\b$extension\b/);
134 skip_all("$extension was not built");
137 sub skip_all_without_perlio {
138 skip_all('no PerlIO') unless PerlIO::Layer->find('perlio');
141 sub skip_all_without_config {
142 unless (eval {require Config; 1}) {
143 warn "test.pl had problems loading Config: $@";
147 next if $Config::Config{$_};
148 my $key = $_; # Need to copy, before trying to modify.
156 my ($pass, $where, $name, @mess) = @_;
157 # Do not try to microoptimize by factoring out the "not ".
161 # escape out '#' or it will interfere with '# skip' and such
163 $out = $pass ? "ok $test - $name" : "not ok $test - $name";
165 $out = $pass ? "ok $test" : "not ok $test";
169 $out = $out . " # TODO $TODO";
171 $Tests_Are_Passing = 0 unless $pass;
177 note @mess; # Ensure that the message is properly escaped.
180 _diag "# Failed $where\n";
184 $test = $test + 1; # don't use ++
190 my @caller = caller($Level);
191 return "at $caller[1] line $caller[2]";
194 # DON'T use this for matches. Use like() instead.
196 my ($pass, $name, @mess) = @_;
197 _ok($pass, _where(), $name, @mess);
202 return 'undef' unless defined $x;
211 return defined $x ? '"' . display ($x) . '"' : 'undef';
214 # keys are the codes \n etc map to, values are 2 char strings such as \n
215 my %backslash_escape;
216 foreach my $x (split //, 'nrtfa\\\'"') {
217 $backslash_escape{ord eval "\"\\$x\""} = "\\$x";
219 # A way to display scalars containing control characters and Unicode.
220 # Trying to avoid setting $_, or relying on local $_ to work.
224 if (defined $x and not ref $x) {
226 foreach my $c (unpack("U*", $x)) {
228 $y = $y . sprintf "\\x{%x}", $c;
229 } elsif ($backslash_escape{$c}) {
230 $y = $y . $backslash_escape{$c};
232 my $z = chr $c; # Maybe we can get away with a literal...
233 if ($z =~ /[[:^print:]]/) {
235 # Use octal for characters traditionally expressed as
236 # such: the low controls
238 $z = sprintf "\\%03o", $c;
240 $z = sprintf "\\x{%x}", $c;
248 return $x unless wantarray;
255 my ($got, $expected, $name, @mess) = @_;
258 if( !defined $got || !defined $expected ) {
259 # undef only matches undef
260 $pass = !defined $got && !defined $expected;
263 $pass = $got eq $expected;
267 unshift(@mess, "# got "._qq($got)."\n",
268 "# expected "._qq($expected)."\n");
270 _ok($pass, _where(), $name, @mess);
274 my ($got, $isnt, $name, @mess) = @_;
277 if( !defined $got || !defined $isnt ) {
278 # undef only matches undef
279 $pass = defined $got || defined $isnt;
282 $pass = $got ne $isnt;
286 unshift(@mess, "# it should not be "._qq($got)."\n",
289 _ok($pass, _where(), $name, @mess);
293 my($got, $type, $expected, $name, @mess) = @_;
298 local($@,$!); # don't interfere with $@
299 # eval() sometimes resets $!
300 $pass = eval "\$got $type \$expected";
303 # It seems Irix long doubles can have 2147483648 and 2147483648
304 # that stringify to the same thing but are actually numerically
305 # different. Display the numbers if $type isn't a string operator,
306 # and the numbers are stringwise the same.
307 # (all string operators have alphabetic names, so tr/a-z// is true)
308 # This will also show numbers for some unneeded cases, but will
309 # definitely be helpful for things such as == and <= that fail
310 if ($got eq $expected and $type !~ tr/a-z//) {
311 unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
313 unshift(@mess, "# got "._qq($got)."\n",
314 "# expected $type "._qq($expected)."\n");
316 _ok($pass, _where(), $name, @mess);
319 # Check that $got is within $range of $expected
320 # if $range is 0, then check it's exact
321 # else if $expected is 0, then $range is an absolute value
322 # otherwise $range is a fractional error.
323 # Here $range must be numeric, >= 0
324 # Non numeric ranges might be a useful future extension. (eg %)
326 my ($got, $expected, $range, $name, @mess) = @_;
328 if (!defined $got or !defined $expected or !defined $range) {
329 # This is a fail, but doesn't need extra diagnostics
330 } elsif ($got !~ tr/0-9// or $expected !~ tr/0-9// or $range !~ tr/0-9//) {
332 unshift @mess, "# got, expected and range must be numeric\n";
333 } elsif ($range < 0) {
334 # This is also a fail
335 unshift @mess, "# range must not be negative\n";
336 } elsif ($range == 0) {
338 $pass = $got == $expected;
339 } elsif ($expected == 0) {
340 # If expected is 0, treat range as absolute
341 $pass = ($got <= $range) && ($got >= - $range);
343 my $diff = $got - $expected;
344 $pass = abs ($diff / $expected) < $range;
347 if ($got eq $expected) {
348 unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
350 unshift@mess, "# got "._qq($got)."\n",
351 "# expected "._qq($expected)." (within "._qq($range).")\n";
353 _ok($pass, _where(), $name, @mess);
356 # Note: this isn't quite as fancy as Test::More::like().
358 sub like ($$@) { like_yn (0,@_) }; # 0 for -
359 sub unlike ($$@) { like_yn (1,@_) }; # 1 for un-
362 my ($flip, undef, $expected, $name, @mess) = @_;
364 $pass = $_[1] =~ /$expected/ if !$flip;
365 $pass = $_[1] !~ /$expected/ if $flip;
367 unshift(@mess, "# got '$_[1]'\n",
369 ? "# expected !~ /$expected/\n" : "# expected /$expected/\n");
371 local $Level = $Level + 1;
372 _ok($pass, _where(), $name, @mess);
380 _ok(0, _where(), @_);
390 $test = $test + 1; # don't use ++
394 # Note: can't pass multipart messages since we try to
395 # be compatible with Test::More::skip().
398 my $n = @_ ? shift : 1;
400 _print "ok $test # skip $why\n";
407 sub skip_if_miniperl {
408 skip(@_) if is_miniperl();
413 my $n = @_ ? shift : 1;
416 _print "not ok $test # TODO & SKIP $why\n";
425 return 0 unless $#$ra == $#$rb;
426 for my $i (0..$#$ra) {
427 next if !defined $ra->[$i] && !defined $rb->[$i];
428 return 0 if !defined $ra->[$i];
429 return 0 if !defined $rb->[$i];
430 return 0 unless $ra->[$i] eq $rb->[$i];
436 my ($orig, $suspect) = @_;
438 while (my ($key, $value) = each %$suspect) {
439 # Force a hash recompute if this perl's internals can cache the hash key.
441 if (exists $orig->{$key}) {
442 if ($orig->{$key} ne $value) {
443 _print "# key ", _qq($key), " was ", _qq($orig->{$key}),
444 " now ", _qq($value), "\n";
448 _print "# key ", _qq($key), " is ", _qq($value),
449 ", not in original.\n";
453 foreach (keys %$orig) {
454 # Force a hash recompute if this perl's internals can cache the hash key.
456 next if (exists $suspect->{$_});
457 _print "# key ", _qq($_), " was ", _qq($orig->{$_}), " now missing.\n";
463 # We only provide a subset of the Test::More functionality.
466 if ($require =~ tr/[A-Za-z0-9:.]//c) {
467 fail("Invalid character in \"$require\", passed to require_ok");
472 is($@, '', _where(), "require $require");
478 if ($use =~ tr/[A-Za-z0-9:.]//c) {
479 fail("Invalid character in \"$use\", passed to use");
484 is($@, '', _where(), "use $use");
488 # runperl - Runs a separate perl interpreter.
490 # switches => [ command-line switches ]
491 # nolib => 1 # don't use -I../lib (included by default)
492 # non_portable => Don't warn if a one liner contains quotes
493 # prog => one-liner (avoid quotes)
494 # progs => [ multi-liner (avoid quotes) ]
495 # progfile => perl script
496 # stdin => string to feed the stdin
497 # stderr => redirect stderr to stdout
498 # args => [ command-line arguments to the perl program ]
499 # verbose => print the command line
501 my $is_mswin = $^O eq 'MSWin32';
502 my $is_netware = $^O eq 'NetWare';
503 my $is_vms = $^O eq 'VMS';
504 my $is_cygwin = $^O eq 'cygwin';
507 my ($runperl, $args) = @_;
510 # In VMS protect with doublequotes because otherwise
511 # DCL will lowercase -- unless already doublequoted.
512 $_ = q(").$_.q(") if $is_vms && !/^\"/ && length($_) > 0;
513 $runperl = $runperl . ' ' . $_;
518 sub _create_runperl { # Create the string to qx in runperl().
520 my $runperl = which_perl();
521 if ($runperl =~ m/\s/) {
522 $runperl = qq{"$runperl"};
524 #- this allows, for example, to set PERL_RUNPERL_DEBUG=/usr/bin/valgrind
525 if ($ENV{PERL_RUNPERL_DEBUG}) {
526 $runperl = "$ENV{PERL_RUNPERL_DEBUG} $runperl";
528 unless ($args{nolib}) {
529 $runperl = $runperl . ' "-I../lib"'; # doublequotes because of VMS
531 if ($args{switches}) {
533 die "test.pl:runperl(): 'switches' must be an ARRAYREF " . _where()
534 unless ref $args{switches} eq "ARRAY";
535 $runperl = _quote_args($runperl, $args{switches});
537 if (defined $args{prog}) {
538 die "test.pl:runperl(): both 'prog' and 'progs' cannot be used " . _where()
539 if defined $args{progs};
540 $args{progs} = [$args{prog}]
542 if (defined $args{progs}) {
543 die "test.pl:runperl(): 'progs' must be an ARRAYREF " . _where()
544 unless ref $args{progs} eq "ARRAY";
545 foreach my $prog (@{$args{progs}}) {
546 if ($prog =~ tr/'"// && !$args{non_portable}) {
547 warn "quotes in prog >>$prog<< are not portable";
549 if ($is_mswin || $is_netware || $is_vms) {
550 $runperl = $runperl . qq ( -e "$prog" );
553 $runperl = $runperl . qq ( -e '$prog' );
556 } elsif (defined $args{progfile}) {
557 $runperl = $runperl . qq( "$args{progfile}");
559 # You probably didn't want to be sucking in from the upstream stdin
560 die "test.pl:runperl(): none of prog, progs, progfile, args, "
561 . " switches or stdin specified"
562 unless defined $args{args} or defined $args{switches}
563 or defined $args{stdin};
565 if (defined $args{stdin}) {
566 # so we don't try to put literal newlines and crs onto the
568 $args{stdin} =~ s/\n/\\n/g;
569 $args{stdin} =~ s/\r/\\r/g;
571 if ($is_mswin || $is_netware || $is_vms) {
572 $runperl = qq{$Perl -e "print qq(} .
573 $args{stdin} . q{)" | } . $runperl;
576 $runperl = qq{$Perl -e 'print qq(} .
577 $args{stdin} . q{)' | } . $runperl;
580 if (defined $args{args}) {
581 $runperl = _quote_args($runperl, $args{args});
583 $runperl = $runperl . ' 2>&1' if $args{stderr};
584 if ($args{verbose}) {
585 my $runperldisplay = $runperl;
586 $runperldisplay =~ s/\n/\n\#/g;
587 _print_stderr "# $runperldisplay\n";
593 die "test.pl:runperl() does not take a hashref"
594 if ref $_[0] and ref $_[0] eq 'HASH';
595 my $runperl = &_create_runperl;
598 my $tainted = ${^TAINT};
600 exists $args{switches} && grep m/^-T$/, @{$args{switches}} and $tainted = $tainted + 1;
603 # We will assume that if you're running under -T, you really mean to
604 # run a fresh perl, so we'll brute force launder everything for you
607 if (! eval {require Config; 1}) {
608 warn "test.pl had problems loading Config: $@";
611 $sep = $Config::Config{path_sep};
614 my @keys = grep {exists $ENV{$_}} qw(CDPATH IFS ENV BASH_ENV);
615 local @ENV{@keys} = ();
616 # Untaint, plus take out . and empty string:
617 local $ENV{'DCL$PATH'} = $1 if $is_vms && exists($ENV{'DCL$PATH'}) && ($ENV{'DCL$PATH'} =~ /(.*)/s);
618 $ENV{PATH} =~ /(.*)/s;
620 join $sep, grep { $_ ne "" and $_ ne "." and -d $_ and
621 ($is_mswin or $is_vms or !(stat && (stat _)[2]&0022)) }
622 split quotemeta ($sep), $1;
623 if ($is_cygwin) { # Must have /bin under Cygwin
624 if (length $ENV{PATH}) {
625 $ENV{PATH} = $ENV{PATH} . $sep;
627 $ENV{PATH} = $ENV{PATH} . '/bin';
632 $result = `$runperl`;
634 $result = `$runperl`;
636 $result =~ s/\n\n/\n/ if $is_vms; # XXX pipes sometimes double these
641 *run_perl = *run_perl = \&runperl; # shut up "used only once" warning
644 _print_stderr "# @_\n";
648 # A somewhat safer version of the sometimes wrong $^X.
650 unless (defined $Perl) {
653 # VMS should have 'perl' aliased properly
654 return $Perl if $is_vms;
657 if (! eval {require Config; 1}) {
658 warn "test.pl had problems loading Config: $@";
661 $exe = $Config::Config{_exe};
663 $exe = '' unless defined $exe;
665 # This doesn't absolutize the path: beware of future chdirs().
666 # We could do File::Spec->abs2rel() but that does getcwd()s,
667 # which is a bit heavyweight to do here.
669 if ($Perl =~ /^perl\Q$exe\E$/i) {
670 my $perl = "perl$exe";
671 if (! eval {require File::Spec; 1}) {
672 warn "test.pl had problems loading File::Spec: $@";
675 $Perl = File::Spec->catfile(File::Spec->curdir(), $perl);
679 # Build up the name of the executable file from the name of
682 if ($Perl !~ /\Q$exe\E$/i) {
683 $Perl = $Perl . $exe;
686 warn "which_perl: cannot find $Perl from $^X" unless -f $Perl;
688 # For subcommands to use.
689 $ENV{PERLEXE} = $Perl;
696 foreach my $file (@_) {
697 1 while unlink $file;
699 _print_stderr "# Couldn't unlink '$file': $!\n";
708 END { unlink_all keys %tmpfiles }
710 # A regexp that matches the tempfile names
711 $::tempfile_regexp = 'tmp\d+[A-Z][A-Z]?';
713 # Avoid ++, avoid ranges, avoid split //
714 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);
721 $try = $try . $letters[$temp % 26];
722 $temp = int ($temp / 26);
724 # Need to note all the file names we allocated, as a second request may
725 # come before the first is created.
726 if (!-e $try && !$tmpfiles{$try}) {
732 } while $count < 26 * 26;
733 die "Can't find temporary file name starting 'tmp$$'";
736 # This is the temporary file for _fresh_perl
737 my $tmpfile = tempfile();
740 my($prog, $action, $expect, $runperl_args, $name) = @_;
742 # Given the choice of the mis-parsable {}
743 # (we want an anon hash, but a borked lexer might think that it's a block)
744 # or relying on taking a reference to a lexical
745 # (\ might be mis-parsed, and the reference counting on the pad may go
747 # it feels like the least-worse thing is to assume that auto-vivification
748 # works. At least, this is only going to be a run-time failure, so won't
749 # affect tests using this file but not this function.
750 $runperl_args->{progfile} = $tmpfile;
751 $runperl_args->{stderr} = 1;
753 open TEST, ">$tmpfile" or die "Cannot open $tmpfile: $!";
757 $prog =~ s#/dev/null#NL:#;
760 $prog =~ s{if \(-e _ and -f _ and -r _\)}
765 close TEST or die "Cannot close $tmpfile: $!";
767 my $results = runperl(%$runperl_args);
770 # Clean up the results into something a bit more predictable.
771 $results =~ s/\n+$//;
772 $results =~ s/at\s+$::tempfile_regexp\s+line/at - line/g;
773 $results =~ s/of\s+$::tempfile_regexp\s+aborted/of - aborted/g;
775 # bison says 'parse error' instead of 'syntax error',
776 # various yaccs may or may not capitalize 'syntax'.
777 $results =~ s/^(syntax|parse) error/syntax error/mig;
780 # some tests will trigger VMS messages that won't be expected
781 $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
783 # pipes double these sometimes
784 $results =~ s/\n\n/\n/g;
787 # Use the first line of the program as a name if none was given
789 ($first_line, $name) = $prog =~ /^((.{1,50}).*)/;
790 $name = $name . '...' if length $first_line > length $name;
793 # Historically this was implemented using a closure, but then that means
794 # that the tests for closures avoid using this code. Given that there
795 # are exactly two callers, doing exactly two things, the simpler approach
796 # feels like a better trade off.
798 if ($action eq 'eq') {
799 $pass = is($results, $expect, $name);
800 } elsif ($action eq '=~') {
801 $pass = like($results, $expect, $name);
803 die "_fresh_perl can't process action '$action'";
807 _diag "# PROG: \n$prog\n";
808 _diag "# STATUS: $status\n";
817 # Combination of run_perl() and is().
821 my($prog, $expected, $runperl_args, $name) = @_;
823 # _fresh_perl() is going to clip the trailing newlines off the result.
824 # This will make it so the test author doesn't have to know that.
825 $expected =~ s/\n+$//;
828 _fresh_perl($prog, 'eq', $expected, $runperl_args, $name);
834 # Combination of run_perl() and like().
837 sub fresh_perl_like {
838 my($prog, $expected, $runperl_args, $name) = @_;
840 _fresh_perl($prog, '=~', $expected, $runperl_args, $name);
843 # Many tests use the same format in __DATA__ or external files to specify a
844 # sequence of (fresh) tests to run, extra files they may temporarily need, and
845 # what the expected output is. So have excatly one copy of the code to run that
847 sub run_multiple_progs {
851 # The tests in lib run in a temporary subdirectory of t, and always
852 # pass in a list of "programs" to run
855 # The tests below t run in t and pass in a file handle.
858 @prgs = split "\n########\n", <$fh>;
861 my $tmpfile = tempfile();
871 if (s/^(\s*-\w+)//) {
874 my ($prog, $expected) = split(/\nEXPECT(?:\n|$)/, $_, 2);
877 foreach my $what (qw(skip todo)) {
878 $prog =~ s/^#\s*\U$what\E\s*(.*)\n//m and $reason{$what} = $1;
879 # If the SKIP reason starts ? then it's taken as a code snippet to
880 # evaluate. This provides the flexibility to have conditional SKIPs
881 if ($reason{$what} && $reason{$what} =~ s/^\?//) {
882 my $temp = eval $reason{$what};
884 die "# In \U$what\E code reason:\n# $reason{$what}\n$@";
886 $reason{$what} = $temp;
890 if ($prog =~ /--FILE--/) {
891 my @files = split(/\n--FILE--\s*([^\s\n]*)\s*\n/, $prog) ;
893 die "Internal error: test $_ didn't split into pairs, got " .
894 scalar(@files) . "[" . join("%%%%", @files) ."]\n"
897 my $filename = shift @files;
898 my $code = shift @files;
899 push @temps, $filename;
900 if ($filename =~ m#(.*)/# && $filename !~ m#^\.\./#) {
902 File::Path::mkpath($1);
903 push(@temp_path, $1);
905 open my $fh, '>', $filename or die "Cannot open $filename: $!\n";
907 close $fh or die "Cannot close $filename: $!\n";
910 $prog = shift @files;
913 open my $fh, '>', $tmpfile or die "Cannot open >$tmpfile: $!";
916 open STDERR, '>&', STDOUT
917 or die "Can't dup STDOUT->STDERR: $!;";
920 print $fh "\n#line 1\n"; # So the line numbers don't get messed up.
921 print $fh $prog,"\n";
922 close $fh or die "Cannot close $tmpfile: $!";
923 my $results = runperl( stderr => 1, progfile => $tmpfile, $up
924 ? (switches => ["-I$up/lib", $switch], nolib => 1)
925 : (switches => [$switch])
928 $results =~ s/\n+$//;
929 # allow expected output to be written as if $prog is on STDIN
930 $results =~ s/$::tempfile_regexp/-/g;
932 # some tests will trigger VMS messages that won't be expected
933 $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
935 # pipes double these sometimes
936 $results =~ s/\n\n/\n/g;
938 # bison says 'parse error' instead of 'syntax error',
939 # various yaccs may or may not capitalize 'syntax'.
940 $results =~ s/^(syntax|parse) error/syntax error/mig;
941 # allow all tests to run when there are leaks
942 $results =~ s/Scalars leaked: \d+\n//g;
944 $expected =~ s/\n+$//;
945 my $prefix = ($results =~ s#^PREFIX(\n|$)##) ;
946 # any special options? (OPTIONS foo bar zap)
947 my $option_regex = 0;
948 my $option_random = 0;
949 if ($expected =~ s/^OPTIONS? (.+)\n//) {
950 foreach my $option (split(' ', $1)) {
951 if ($option eq 'regex') { # allow regular expressions
954 elsif ($option eq 'random') { # all lines match, but in any order
958 die "$0: Unknown OPTION '$option'\n";
962 die "$0: can't have OPTION regex and random\n"
963 if $option_regex + $option_random > 1;
965 if ($results =~ s/^SKIPPED\n//) {
969 elsif ($option_random) {
970 my @got = sort split "\n", $results;
971 my @expected = sort split "\n", $expected;
973 $ok = "@got" eq "@expected";
975 elsif ($option_regex) {
976 $ok = $results =~ /^$expected/;
979 $ok = $results =~ /^\Q$expected/;
982 $ok = $results eq $expected;
985 local $::TODO = $reason{todo};
988 my $err_line = "PROG: $switch\n$prog\n" .
989 "EXPECTED:\n$expected\n" .
992 $err_line =~ s/^/# /mg;
993 print $err_line; # Harness can't filter it out from STDERR.
996 print STDERR $err_line;
1005 foreach (@temp_path) {
1006 File::Path::rmtree $_ if -d $_;
1012 my($proto, @methods) = @_;
1013 my $class = ref $proto || $proto;
1015 unless( @methods ) {
1016 return _ok( 0, _where(), "$class->can(...)" );
1020 foreach my $method (@methods) {
1021 local($!, $@); # don't interfere with caller's $@
1022 # eval sometimes resets $!
1023 eval { $proto->can($method) } || push @nok, $method;
1027 $name = @methods == 1 ? "$class->can('$methods[0]')"
1028 : "$class->can(...)";
1030 _ok( !@nok, _where(), $name );
1034 # Call $class->new( @$args ); and run the result through isa_ok.
1035 # See Test::More::new_ok
1037 my($class, $args, $obj_name) = @_;
1039 $object_name = "The object" unless defined $obj_name;
1041 local $Level = $Level + 1;
1044 my $ok = eval { $obj = $class->new(@$args); 1 };
1048 isa_ok($obj, $class, $object_name);
1051 ok( 0, "new() died" );
1052 diag("Error was: $@");
1061 my($object, $class, $obj_name) = @_;
1064 $obj_name = 'The object' unless defined $obj_name;
1065 my $name = "$obj_name isa $class";
1066 if( !defined $object ) {
1067 $diag = "$obj_name isn't defined";
1069 elsif( !ref $object ) {
1070 $diag = "$obj_name isn't a reference";
1073 # We can't use UNIVERSAL::isa because we want to honor isa() overrides
1074 local($@, $!); # eval sometimes resets $!
1075 my $rslt = eval { $object->isa($class) };
1077 if( $@ =~ /^Can't call method "isa" on unblessed reference/ ) {
1078 if( !UNIVERSAL::isa($object, $class) ) {
1079 my $ref = ref $object;
1080 $diag = "$obj_name isn't a '$class' it's a '$ref'";
1084 WHOA! I tried to call ->isa on your object and got some weird error.
1085 This should never happen. Please contact the author immediately.
1092 my $ref = ref $object;
1093 $diag = "$obj_name isn't a '$class' it's a '$ref'";
1097 _ok( !$diag, _where(), $name );
1100 # Purposefully avoiding a closure.
1102 push @::__capture, join "", @_;
1105 sub capture_warnings {
1109 local $SIG {__WARN__} = \&__capture;
1111 return @::__capture;
1114 # This will generate a variable number of tests.
1115 # Use done_testing() instead of a fixed plan.
1117 my ($code, $expect, $name) = @_;
1118 local $Level = $Level + 1;
1120 my @w = capture_warnings($code);
1122 cmp_ok(scalar @w, '==', scalar @$expect, $name);
1123 foreach my $e (@$expect) {
1125 like(shift @w, $e, $name);
1127 is(shift @w, $e, $name);
1131 diag("Saw these additional warnings:");
1132 diag($_) foreach @w;
1136 sub _fail_excess_warnings {
1137 my($expect, $got, $name) = @_;
1138 local $Level = $Level + 1;
1139 # This will fail, and produce diagnostics
1140 is($expect, scalar @$got, $name);
1141 diag("Saw these warnings:");
1142 diag($_) foreach @$got;
1146 my ($code, $expect, $name) = @_;
1147 die sprintf "Expect must be a string or undef, not a %s reference", ref $expect
1149 local $Level = $Level + 1;
1150 my @w = capture_warnings($code);
1152 _fail_excess_warnings(0 + defined $expect, \@w, $name);
1154 is($w[0], $expect, $name);
1159 my ($code, $expect, $name) = @_;
1160 die sprintf "Expect must be a regexp object"
1161 unless ref $expect eq 'Regexp';
1162 local $Level = $Level + 1;
1163 my @w = capture_warnings($code);
1165 _fail_excess_warnings(0 + defined $expect, \@w, $name);
1167 like($w[0], $expect, $name);
1171 # Set a watchdog to timeout the entire test file
1172 # NOTE: If the test file uses 'threads', then call the watchdog() function
1173 # _AFTER_ the 'threads' module is loaded.
1176 my $timeout = shift;
1177 my $method = shift || "";
1178 my $timeout_msg = 'Test process timed out - terminating';
1180 # Valgrind slows perl way down so give it more time before dying.
1181 $timeout *= 10 if $ENV{PERL_VALGRIND};
1183 my $pid_to_kill = $$; # PID for this process
1185 if ($method eq "alarm") {
1186 goto WATCHDOG_VIA_ALARM;
1189 # shut up use only once warning
1190 my $threads_on = $threads::threads && $threads::threads;
1192 # Don't use a watchdog process if 'threads' is loaded -
1193 # use a watchdog thread instead
1196 # On Windows and VMS, try launching a watchdog process
1197 # using system(1, ...) (see perlport.pod)
1198 if ($is_mswin || $is_vms) {
1199 # On Windows, try to get the 'real' PID
1201 eval { require Win32; };
1202 if (defined(&Win32::GetCurrentProcessId)) {
1203 $pid_to_kill = Win32::GetCurrentProcessId();
1207 # If we still have a fake PID, we can't use this method at all
1208 return if ($pid_to_kill <= 0);
1210 # Launch watchdog process
1213 local $SIG{'__WARN__'} = sub {
1214 _diag("Watchdog warning: $_[0]");
1216 my $sig = $is_vms ? 'TERM' : 'KILL';
1217 my $cmd = _create_runperl( prog => "sleep($timeout);" .
1218 "warn qq/# $timeout_msg" . '\n/;' .
1219 "kill($sig, $pid_to_kill);");
1220 $watchdog = system(1, $cmd);
1222 if ($@ || ($watchdog <= 0)) {
1223 _diag('Failed to start watchdog');
1229 # Add END block to parent to terminate and
1230 # clean up watchdog process
1231 eval "END { local \$! = 0; local \$? = 0;
1232 wait() if kill('KILL', $watchdog); };";
1236 # Try using fork() to generate a watchdog process
1238 eval { $watchdog = fork() };
1239 if (defined($watchdog)) {
1240 if ($watchdog) { # Parent process
1241 # Add END block to parent to terminate and
1242 # clean up watchdog process
1243 eval "END { local \$! = 0; local \$? = 0;
1244 wait() if kill('KILL', $watchdog); };";
1248 ### Watchdog process code
1250 # Load POSIX if available
1251 eval { require POSIX; };
1253 # Execute the timeout
1254 sleep($timeout - 2) if ($timeout > 2); # Workaround for perlbug #49073
1257 # Kill test process if still running
1258 if (kill(0, $pid_to_kill)) {
1259 _diag($timeout_msg);
1260 kill('KILL', $pid_to_kill);
1263 # Don't execute END block (added at beginning of this file)
1266 # Terminate ourself (i.e., the watchdog)
1267 POSIX::_exit(1) if (defined(&POSIX::_exit));
1271 # fork() failed - fall through and try using a thread
1274 # Use a watchdog thread because either 'threads' is loaded,
1276 if (eval {require threads; 1}) {
1277 'threads'->create(sub {
1278 # Load POSIX if available
1279 eval { require POSIX; };
1281 # Execute the timeout
1282 my $time_left = $timeout;
1284 $time_left = $time_left - sleep($time_left);
1285 } while ($time_left > 0);
1287 # Kill the parent (and ourself)
1288 select(STDERR); $| = 1;
1289 _diag($timeout_msg);
1290 POSIX::_exit(1) if (defined(&POSIX::_exit));
1291 my $sig = $is_vms ? 'TERM' : 'KILL';
1292 kill($sig, $pid_to_kill);
1297 # If everything above fails, then just use an alarm timeout
1299 if (eval { alarm($timeout); 1; }) {
1300 # Load POSIX if available
1301 eval { require POSIX; };
1303 # Alarm handler will do the actual 'killing'
1304 $SIG{'ALRM'} = sub {
1305 select(STDERR); $| = 1;
1306 _diag($timeout_msg);
1307 POSIX::_exit(1) if (defined(&POSIX::_exit));
1308 my $sig = $is_vms ? 'TERM' : 'KILL';
1309 kill($sig, $pid_to_kill);
1314 my $cp_0037 = # EBCDIC code page 0037
1315 '\x00\x01\x02\x03\x37\x2D\x2E\x2F\x16\x05\x25\x0B\x0C\x0D\x0E\x0F' .
1316 '\x10\x11\x12\x13\x3C\x3D\x32\x26\x18\x19\x3F\x27\x1C\x1D\x1E\x1F' .
1317 '\x40\x5A\x7F\x7B\x5B\x6C\x50\x7D\x4D\x5D\x5C\x4E\x6B\x60\x4B\x61' .
1318 '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\x7A\x5E\x4C\x7E\x6E\x6F' .
1319 '\x7C\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xD1\xD2\xD3\xD4\xD5\xD6' .
1320 '\xD7\xD8\xD9\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xBA\xE0\xBB\xB0\x6D' .
1321 '\x79\x81\x82\x83\x84\x85\x86\x87\x88\x89\x91\x92\x93\x94\x95\x96' .
1322 '\x97\x98\x99\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xC0\x4F\xD0\xA1\x07' .
1323 '\x20\x21\x22\x23\x24\x15\x06\x17\x28\x29\x2A\x2B\x2C\x09\x0A\x1B' .
1324 '\x30\x31\x1A\x33\x34\x35\x36\x08\x38\x39\x3A\x3B\x04\x14\x3E\xFF' .
1325 '\x41\xAA\x4A\xB1\x9F\xB2\x6A\xB5\xBD\xB4\x9A\x8A\x5F\xCA\xAF\xBC' .
1326 '\x90\x8F\xEA\xFA\xBE\xA0\xB6\xB3\x9D\xDA\x9B\x8B\xB7\xB8\xB9\xAB' .
1327 '\x64\x65\x62\x66\x63\x67\x9E\x68\x74\x71\x72\x73\x78\x75\x76\x77' .
1328 '\xAC\x69\xED\xEE\xEB\xEF\xEC\xBF\x80\xFD\xFE\xFB\xFC\xAD\xAE\x59' .
1329 '\x44\x45\x42\x46\x43\x47\x9C\x48\x54\x51\x52\x53\x58\x55\x56\x57' .
1330 '\x8C\x49\xCD\xCE\xCB\xCF\xCC\xE1\x70\xDD\xDE\xDB\xDC\x8D\x8E\xDF';
1332 my $cp_1047 = # EBCDIC code page 1047
1333 '\x00\x01\x02\x03\x37\x2D\x2E\x2F\x16\x05\x15\x0B\x0C\x0D\x0E\x0F' .
1334 '\x10\x11\x12\x13\x3C\x3D\x32\x26\x18\x19\x3F\x27\x1C\x1D\x1E\x1F' .
1335 '\x40\x5A\x7F\x7B\x5B\x6C\x50\x7D\x4D\x5D\x5C\x4E\x6B\x60\x4B\x61' .
1336 '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\x7A\x5E\x4C\x7E\x6E\x6F' .
1337 '\x7C\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xD1\xD2\xD3\xD4\xD5\xD6' .
1338 '\xD7\xD8\xD9\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xAD\xE0\xBD\x5F\x6D' .
1339 '\x79\x81\x82\x83\x84\x85\x86\x87\x88\x89\x91\x92\x93\x94\x95\x96' .
1340 '\x97\x98\x99\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xC0\x4F\xD0\xA1\x07' .
1341 '\x20\x21\x22\x23\x24\x25\x06\x17\x28\x29\x2A\x2B\x2C\x09\x0A\x1B' .
1342 '\x30\x31\x1A\x33\x34\x35\x36\x08\x38\x39\x3A\x3B\x04\x14\x3E\xFF' .
1343 '\x41\xAA\x4A\xB1\x9F\xB2\x6A\xB5\xBB\xB4\x9A\x8A\xB0\xCA\xAF\xBC' .
1344 '\x90\x8F\xEA\xFA\xBE\xA0\xB6\xB3\x9D\xDA\x9B\x8B\xB7\xB8\xB9\xAB' .
1345 '\x64\x65\x62\x66\x63\x67\x9E\x68\x74\x71\x72\x73\x78\x75\x76\x77' .
1346 '\xAC\x69\xED\xEE\xEB\xEF\xEC\xBF\x80\xFD\xFE\xFB\xFC\xBA\xAE\x59' .
1347 '\x44\x45\x42\x46\x43\x47\x9C\x48\x54\x51\x52\x53\x58\x55\x56\x57' .
1348 '\x8C\x49\xCD\xCE\xCB\xCF\xCC\xE1\x70\xDD\xDE\xDB\xDC\x8D\x8E\xDF';
1350 my $cp_bc = # EBCDIC code page POSiX-BC
1351 '\x00\x01\x02\x03\x37\x2D\x2E\x2F\x16\x05\x15\x0B\x0C\x0D\x0E\x0F' .
1352 '\x10\x11\x12\x13\x3C\x3D\x32\x26\x18\x19\x3F\x27\x1C\x1D\x1E\x1F' .
1353 '\x40\x5A\x7F\x7B\x5B\x6C\x50\x7D\x4D\x5D\x5C\x4E\x6B\x60\x4B\x61' .
1354 '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\x7A\x5E\x4C\x7E\x6E\x6F' .
1355 '\x7C\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xD1\xD2\xD3\xD4\xD5\xD6' .
1356 '\xD7\xD8\xD9\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xBB\xBC\xBD\x6A\x6D' .
1357 '\x4A\x81\x82\x83\x84\x85\x86\x87\x88\x89\x91\x92\x93\x94\x95\x96' .
1358 '\x97\x98\x99\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xFB\x4F\xFD\xFF\x07' .
1359 '\x20\x21\x22\x23\x24\x25\x06\x17\x28\x29\x2A\x2B\x2C\x09\x0A\x1B' .
1360 '\x30\x31\x1A\x33\x34\x35\x36\x08\x38\x39\x3A\x3B\x04\x14\x3E\x5F' .
1361 '\x41\xAA\xB0\xB1\x9F\xB2\xD0\xB5\x79\xB4\x9A\x8A\xBA\xCA\xAF\xA1' .
1362 '\x90\x8F\xEA\xFA\xBE\xA0\xB6\xB3\x9D\xDA\x9B\x8B\xB7\xB8\xB9\xAB' .
1363 '\x64\x65\x62\x66\x63\x67\x9E\x68\x74\x71\x72\x73\x78\x75\x76\x77' .
1364 '\xAC\x69\xED\xEE\xEB\xEF\xEC\xBF\x80\xE0\xFE\xDD\xFC\xAD\xAE\x59' .
1365 '\x44\x45\x42\x46\x43\x47\x9C\x48\x54\x51\x52\x53\x58\x55\x56\x57' .
1366 '\x8C\x49\xCD\xCE\xCB\xCF\xCC\xE1\x70\xC0\xDE\xDB\xDC\x8D\x8E\xDF';
1368 my $straight = # Avoid ranges
1369 '\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F' .
1370 '\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F' .
1371 '\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2A\x2B\x2C\x2D\x2E\x2F' .
1372 '\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3A\x3B\x3C\x3D\x3E\x3F' .
1373 '\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4A\x4B\x4C\x4D\x4E\x4F' .
1374 '\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5A\x5B\x5C\x5D\x5E\x5F' .
1375 '\x60\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6A\x6B\x6C\x6D\x6E\x6F' .
1376 '\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7A\x7B\x7C\x7D\x7E\x7F' .
1377 '\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F' .
1378 '\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9A\x9B\x9C\x9D\x9E\x9F' .
1379 '\xA0\xA1\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xAA\xAB\xAC\xAD\xAE\xAF' .
1380 '\xB0\xB1\xB2\xB3\xB4\xB5\xB6\xB7\xB8\xB9\xBA\xBB\xBC\xBD\xBE\xBF' .
1381 '\xC0\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xCA\xCB\xCC\xCD\xCE\xCF' .
1382 '\xD0\xD1\xD2\xD3\xD4\xD5\xD6\xD7\xD8\xD9\xDA\xDB\xDC\xDD\xDE\xDF' .
1383 '\xE0\xE1\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xEA\xEB\xEC\xED\xEE\xEF' .
1384 '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\xFA\xFB\xFC\xFD\xFE\xFF';
1386 # The following 2 functions allow tests to work on both EBCDIC and
1387 # ASCII-ish platforms. They convert string scalars between the native
1388 # character set and the set of 256 characters which is usually called
1391 # These routines don't work on UTF-EBCDIC and UTF-8.
1393 sub native_to_latin1($) {
1396 return $string if ord('^') == 94; # ASCII, Latin1
1398 if (ord('^') == 95) { # EBCDIC 1047
1401 elsif (ord('^') == 106) { # EBCDIC POSIX-BC
1404 elsif (ord('^') == 176) { # EBCDIC 037 */
1408 die "Unknown native character set";
1411 eval '$string =~ tr/' . $$cp . '/' . $straight . '/';
1415 sub latin1_to_native($) {
1418 return $string if ord('^') == 94; # ASCII, Latin1
1420 if (ord('^') == 95) { # EBCDIC 1047
1423 elsif (ord('^') == 106) { # EBCDIC POSIX-BC
1426 elsif (ord('^') == 176) { # EBCDIC 037 */
1430 die "Unknown native character set";
1433 eval '$string =~ tr/' . $straight . '/' . $$cp . '/';
1437 sub ord_latin1_to_native {
1438 # given an input code point, return the platform's native
1439 # equivalent value. Anything above latin1 is itself.
1442 return $ord if $ord > 255;
1443 return ord latin1_to_native(chr $ord);
1446 sub ord_native_to_latin1 {
1447 # given an input platform code point, return the latin1 equivalent value.
1448 # Anything above latin1 is itself.
1451 return $ord if $ord > 255;
1452 return ord native_to_latin1(chr $ord);