xref: /openbsd-src/gnu/usr.bin/perl/t/test.pl (revision 2b0358df1d88d06ef4139321dd05bd5e05d91eaf) 
1#
2# t/test.pl - most of Test::More functionality without the fuss
3
4
5# NOTE:
6#
7# Increment ($x++) has a certain amount of cleverness for things like
8#
9#   $x = 'zz';
10#   $x++; # $x eq 'aaa';
11#
12# stands more chance of breaking than just a simple
13#
14#   $x = $x + 1
15#
16# In this file, we use the latter "Baby Perl" approach, and increment
17# will be worked over by t/op/inc.t
18
19$Level = 1;
20my $test = 1;
21my $planned;
22my $noplan;
23
24$TODO = 0;
25$NO_ENDING = 0;
26
27sub plan {
28    my $n;
29    if (@_ == 1) {
30	$n = shift;
31	if ($n eq 'no_plan') {
32	  undef $n;
33	  $noplan = 1;
34	}
35    } else {
36	my %plan = @_;
37	$n = $plan{tests};
38    }
39    print STDOUT "1..$n\n" unless $noplan;
40    $planned = $n;
41}
42
43END {
44    my $ran = $test - 1;
45    if (!$NO_ENDING) {
46	if (defined $planned && $planned != $ran) {
47	    print STDERR
48		"# Looks like you planned $planned tests but ran $ran.\n";
49	} elsif ($noplan) {
50	    print "1..$ran\n";
51	}
52    }
53}
54
55# Use this instead of "print STDERR" when outputing failure diagnostic
56# messages
57sub _diag {
58    return unless @_;
59    my @mess = map { /^#/ ? "$_\n" : "# $_\n" }
60               map { split /\n/ } @_;
61    my $fh = $TODO ? *STDOUT : *STDERR;
62    print $fh @mess;
63
64}
65
66sub diag {
67    _diag(@_);
68}
69
70sub skip_all {
71    if (@_) {
72	print STDOUT "1..0 # Skipped: @_\n";
73    } else {
74	print STDOUT "1..0\n";
75    }
76    exit(0);
77}
78
79sub _ok {
80    my ($pass, $where, $name, @mess) = @_;
81    # Do not try to microoptimize by factoring out the "not ".
82    # VMS will avenge.
83    my $out;
84    if ($name) {
85        # escape out '#' or it will interfere with '# skip' and such
86        $name =~ s/#/\\#/g;
87	$out = $pass ? "ok $test - $name" : "not ok $test - $name";
88    } else {
89	$out = $pass ? "ok $test" : "not ok $test";
90    }
91
92    $out .= " # TODO $TODO" if $TODO;
93    print STDOUT "$out\n";
94
95    unless ($pass) {
96	_diag "# Failed $where\n";
97    }
98
99    # Ensure that the message is properly escaped.
100    _diag @mess;
101
102    $test = $test + 1; # don't use ++
103
104    return $pass;
105}
106
107sub _where {
108    my @caller = caller($Level);
109    return "at $caller[1] line $caller[2]";
110}
111
112# DON'T use this for matches. Use like() instead.
113sub ok ($@) {
114    my ($pass, $name, @mess) = @_;
115    _ok($pass, _where(), $name, @mess);
116}
117
118sub _q {
119    my $x = shift;
120    return 'undef' unless defined $x;
121    my $q = $x;
122    $q =~ s/\\/\\\\/g;
123    $q =~ s/'/\\'/g;
124    return "'$q'";
125}
126
127sub _qq {
128    my $x = shift;
129    return defined $x ? '"' . display ($x) . '"' : 'undef';
130};
131
132# keys are the codes \n etc map to, values are 2 char strings such as \n
133my %backslash_escape;
134foreach my $x (split //, 'nrtfa\\\'"') {
135    $backslash_escape{ord eval "\"\\$x\""} = "\\$x";
136}
137# A way to display scalars containing control characters and Unicode.
138# Trying to avoid setting $_, or relying on local $_ to work.
139sub display {
140    my @result;
141    foreach my $x (@_) {
142        if (defined $x and not ref $x) {
143            my $y = '';
144            foreach my $c (unpack("U*", $x)) {
145                if ($c > 255) {
146                    $y .= sprintf "\\x{%x}", $c;
147                } elsif ($backslash_escape{$c}) {
148                    $y .= $backslash_escape{$c};
149                } else {
150                    my $z = chr $c; # Maybe we can get away with a literal...
151                    $z = sprintf "\\%03o", $c if $z =~ /[[:^print:]]/;
152                    $y .= $z;
153                }
154            }
155            $x = $y;
156        }
157        return $x unless wantarray;
158        push @result, $x;
159    }
160    return @result;
161}
162
163sub is ($$@) {
164    my ($got, $expected, $name, @mess) = @_;
165
166    my $pass;
167    if( !defined $got || !defined $expected ) {
168        # undef only matches undef
169        $pass = !defined $got && !defined $expected;
170    }
171    else {
172        $pass = $got eq $expected;
173    }
174
175    unless ($pass) {
176	unshift(@mess, "#      got "._q($got)."\n",
177		       "# expected "._q($expected)."\n");
178    }
179    _ok($pass, _where(), $name, @mess);
180}
181
182sub isnt ($$@) {
183    my ($got, $isnt, $name, @mess) = @_;
184
185    my $pass;
186    if( !defined $got || !defined $isnt ) {
187        # undef only matches undef
188        $pass = defined $got || defined $isnt;
189    }
190    else {
191        $pass = $got ne $isnt;
192    }
193
194    unless( $pass ) {
195        unshift(@mess, "# it should not be "._q($got)."\n",
196                       "# but it is.\n");
197    }
198    _ok($pass, _where(), $name, @mess);
199}
200
201sub cmp_ok ($$$@) {
202    my($got, $type, $expected, $name, @mess) = @_;
203
204    my $pass;
205    {
206        local $^W = 0;
207        local($@,$!);   # don't interfere with $@
208                        # eval() sometimes resets $!
209        $pass = eval "\$got $type \$expected";
210    }
211    unless ($pass) {
212        # It seems Irix long doubles can have 2147483648 and 2147483648
213        # that stringify to the same thing but are acutally numerically
214        # different. Display the numbers if $type isn't a string operator,
215        # and the numbers are stringwise the same.
216        # (all string operators have alphabetic names, so tr/a-z// is true)
217        # This will also show numbers for some uneeded cases, but will
218        # definately be helpful for things such as == and <= that fail
219        if ($got eq $expected and $type !~ tr/a-z//) {
220            unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
221        }
222        unshift(@mess, "#      got "._q($got)."\n",
223                       "# expected $type "._q($expected)."\n");
224    }
225    _ok($pass, _where(), $name, @mess);
226}
227
228# Check that $got is within $range of $expected
229# if $range is 0, then check it's exact
230# else if $expected is 0, then $range is an absolute value
231# otherwise $range is a fractional error.
232# Here $range must be numeric, >= 0
233# Non numeric ranges might be a useful future extension. (eg %)
234sub within ($$$@) {
235    my ($got, $expected, $range, $name, @mess) = @_;
236    my $pass;
237    if (!defined $got or !defined $expected or !defined $range) {
238        # This is a fail, but doesn't need extra diagnostics
239    } elsif ($got !~ tr/0-9// or $expected !~ tr/0-9// or $range !~ tr/0-9//) {
240        # This is a fail
241        unshift @mess, "# got, expected and range must be numeric\n";
242    } elsif ($range < 0) {
243        # This is also a fail
244        unshift @mess, "# range must not be negative\n";
245    } elsif ($range == 0) {
246        # Within 0 is ==
247        $pass = $got == $expected;
248    } elsif ($expected == 0) {
249        # If expected is 0, treat range as absolute
250        $pass = ($got <= $range) && ($got >= - $range);
251    } else {
252        my $diff = $got - $expected;
253        $pass = abs ($diff / $expected) < $range;
254    }
255    unless ($pass) {
256        if ($got eq $expected) {
257            unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
258        }
259	unshift@mess, "#      got "._q($got)."\n",
260		      "# expected "._q($expected)." (within "._q($range).")\n";
261    }
262    _ok($pass, _where(), $name, @mess);
263}
264
265# Note: this isn't quite as fancy as Test::More::like().
266
267sub like   ($$@) { like_yn (0,@_) }; # 0 for -
268sub unlike ($$@) { like_yn (1,@_) }; # 1 for un-
269
270sub like_yn ($$$@) {
271    my ($flip, $got, $expected, $name, @mess) = @_;
272    my $pass;
273    $pass = $got =~ /$expected/ if !$flip;
274    $pass = $got !~ /$expected/ if $flip;
275    unless ($pass) {
276	unshift(@mess, "#      got '$got'\n",
277		$flip
278		? "# expected !~ /$expected/\n" : "# expected /$expected/\n");
279    }
280    local $Level = $Level + 1;
281    _ok($pass, _where(), $name, @mess);
282}
283
284sub pass {
285    _ok(1, '', @_);
286}
287
288sub fail {
289    _ok(0, _where(), @_);
290}
291
292sub curr_test {
293    $test = shift if @_;
294    return $test;
295}
296
297sub next_test {
298  my $retval = $test;
299  $test = $test + 1; # don't use ++
300  $retval;
301}
302
303# Note: can't pass multipart messages since we try to
304# be compatible with Test::More::skip().
305sub skip {
306    my $why = shift;
307    my $n    = @_ ? shift : 1;
308    for (1..$n) {
309        print STDOUT "ok $test # skip: $why\n";
310        $test = $test + 1;
311    }
312    local $^W = 0;
313    last SKIP;
314}
315
316sub todo_skip {
317    my $why = shift;
318    my $n   = @_ ? shift : 1;
319
320    for (1..$n) {
321        print STDOUT "not ok $test # TODO & SKIP: $why\n";
322        $test = $test + 1;
323    }
324    local $^W = 0;
325    last TODO;
326}
327
328sub eq_array {
329    my ($ra, $rb) = @_;
330    return 0 unless $#$ra == $#$rb;
331    for my $i (0..$#$ra) {
332	next     if !defined $ra->[$i] && !defined $rb->[$i];
333	return 0 if !defined $ra->[$i];
334	return 0 if !defined $rb->[$i];
335	return 0 unless $ra->[$i] eq $rb->[$i];
336    }
337    return 1;
338}
339
340sub eq_hash {
341  my ($orig, $suspect) = @_;
342  my $fail;
343  while (my ($key, $value) = each %$suspect) {
344    # Force a hash recompute if this perl's internals can cache the hash key.
345    $key = "" . $key;
346    if (exists $orig->{$key}) {
347      if ($orig->{$key} ne $value) {
348        print STDOUT "# key ", _qq($key), " was ", _qq($orig->{$key}),
349                     " now ", _qq($value), "\n";
350        $fail = 1;
351      }
352    } else {
353      print STDOUT "# key ", _qq($key), " is ", _qq($value),
354                   ", not in original.\n";
355      $fail = 1;
356    }
357  }
358  foreach (keys %$orig) {
359    # Force a hash recompute if this perl's internals can cache the hash key.
360    $_ = "" . $_;
361    next if (exists $suspect->{$_});
362    print STDOUT "# key ", _qq($_), " was ", _qq($orig->{$_}), " now missing.\n";
363    $fail = 1;
364  }
365  !$fail;
366}
367
368sub require_ok ($) {
369    my ($require) = @_;
370    eval <<REQUIRE_OK;
371require $require;
372REQUIRE_OK
373    _ok(!$@, _where(), "require $require");
374}
375
376sub use_ok ($) {
377    my ($use) = @_;
378    eval <<USE_OK;
379use $use;
380USE_OK
381    _ok(!$@, _where(), "use $use");
382}
383
384# runperl - Runs a separate perl interpreter.
385# Arguments :
386#   switches => [ command-line switches ]
387#   nolib    => 1 # don't use -I../lib (included by default)
388#   prog     => one-liner (avoid quotes)
389#   progs    => [ multi-liner (avoid quotes) ]
390#   progfile => perl script
391#   stdin    => string to feed the stdin
392#   stderr   => redirect stderr to stdout
393#   args     => [ command-line arguments to the perl program ]
394#   verbose  => print the command line
395
396my $is_mswin    = $^O eq 'MSWin32';
397my $is_netware  = $^O eq 'NetWare';
398my $is_macos    = $^O eq 'MacOS';
399my $is_vms      = $^O eq 'VMS';
400my $is_cygwin   = $^O eq 'cygwin';
401
402sub _quote_args {
403    my ($runperl, $args) = @_;
404
405    foreach (@$args) {
406	# In VMS protect with doublequotes because otherwise
407	# DCL will lowercase -- unless already doublequoted.
408       $_ = q(").$_.q(") if $is_vms && !/^\"/ && length($_) > 0;
409	$$runperl .= ' ' . $_;
410    }
411}
412
413sub _create_runperl { # Create the string to qx in runperl().
414    my %args = @_;
415    my $runperl = $^X =~ m/\s/ ? qq{"$^X"} : $^X;
416    #- this allows, for example, to set PERL_RUNPERL_DEBUG=/usr/bin/valgrind
417    if ($ENV{PERL_RUNPERL_DEBUG}) {
418	$runperl = "$ENV{PERL_RUNPERL_DEBUG} $runperl";
419    }
420    unless ($args{nolib}) {
421	if ($is_macos) {
422	    $runperl .= ' -I::lib';
423	    # Use UNIX style error messages instead of MPW style.
424	    $runperl .= ' -MMac::err=unix' if $args{stderr};
425	}
426	else {
427	    $runperl .= ' "-I../lib"'; # doublequotes because of VMS
428	}
429    }
430    if ($args{switches}) {
431	local $Level = 2;
432	die "test.pl:runperl(): 'switches' must be an ARRAYREF " . _where()
433	    unless ref $args{switches} eq "ARRAY";
434	_quote_args(\$runperl, $args{switches});
435    }
436    if (defined $args{prog}) {
437	die "test.pl:runperl(): both 'prog' and 'progs' cannot be used " . _where()
438	    if defined $args{progs};
439        $args{progs} = [$args{prog}]
440    }
441    if (defined $args{progs}) {
442	die "test.pl:runperl(): 'progs' must be an ARRAYREF " . _where()
443	    unless ref $args{progs} eq "ARRAY";
444        foreach my $prog (@{$args{progs}}) {
445            if ($is_mswin || $is_netware || $is_vms) {
446                $runperl .= qq ( -e "$prog" );
447            }
448            else {
449                $runperl .= qq ( -e '$prog' );
450            }
451        }
452    } elsif (defined $args{progfile}) {
453	$runperl .= qq( "$args{progfile}");
454    } else {
455	# You probaby didn't want to be sucking in from the upstream stdin
456	die "test.pl:runperl(): none of prog, progs, progfile, args, "
457	    . " switches or stdin specified"
458	    unless defined $args{args} or defined $args{switches}
459		or defined $args{stdin};
460    }
461    if (defined $args{stdin}) {
462	# so we don't try to put literal newlines and crs onto the
463	# command line.
464	$args{stdin} =~ s/\n/\\n/g;
465	$args{stdin} =~ s/\r/\\r/g;
466
467	if ($is_mswin || $is_netware || $is_vms) {
468	    $runperl = qq{$^X -e "print qq(} .
469		$args{stdin} . q{)" | } . $runperl;
470	}
471	elsif ($is_macos) {
472	    # MacOS can only do two processes under MPW at once;
473	    # the test itself is one; we can't do two more, so
474	    # write to temp file
475	    my $stdin = qq{$^X -e 'print qq(} . $args{stdin} . qq{)' > teststdin; };
476	    if ($args{verbose}) {
477		my $stdindisplay = $stdin;
478		$stdindisplay =~ s/\n/\n\#/g;
479		print STDERR "# $stdindisplay\n";
480	    }
481	    `$stdin`;
482	    $runperl .= q{ < teststdin };
483	}
484	else {
485	    $runperl = qq{$^X -e 'print qq(} .
486		$args{stdin} . q{)' | } . $runperl;
487	}
488    }
489    if (defined $args{args}) {
490	_quote_args(\$runperl, $args{args});
491    }
492    $runperl .= ' 2>&1'          if  $args{stderr} && !$is_macos;
493    $runperl .= " \xB3 Dev:Null" if !$args{stderr} &&  $is_macos;
494    if ($args{verbose}) {
495	my $runperldisplay = $runperl;
496	$runperldisplay =~ s/\n/\n\#/g;
497	print STDERR "# $runperldisplay\n";
498    }
499    return $runperl;
500}
501
502sub runperl {
503    die "test.pl:runperl() does not take a hashref"
504	if ref $_[0] and ref $_[0] eq 'HASH';
505    my $runperl = &_create_runperl;
506    my $result;
507
508    my $tainted = ${^TAINT};
509    my %args = @_;
510    exists $args{switches} && grep m/^-T$/, @{$args{switches}} and $tainted = $tainted + 1;
511
512    if ($tainted) {
513	# We will assume that if you're running under -T, you really mean to
514	# run a fresh perl, so we'll brute force launder everything for you
515	my $sep;
516
517	eval "require Config; Config->import";
518	if ($@) {
519	    warn "test.pl had problems loading Config: $@";
520	    $sep = ':';
521	} else {
522	    $sep = $Config{path_sep};
523	}
524
525	my @keys = grep {exists $ENV{$_}} qw(CDPATH IFS ENV BASH_ENV);
526	local @ENV{@keys} = ();
527	# Untaint, plus take out . and empty string:
528	local $ENV{'DCL$PATH'} = $1 if $is_vms && ($ENV{'DCL$PATH'} =~ /(.*)/s);
529	$ENV{PATH} =~ /(.*)/s;
530	local $ENV{PATH} =
531	    join $sep, grep { $_ ne "" and $_ ne "." and -d $_ and
532		($is_mswin or $is_vms or !(stat && (stat _)[2]&0022)) }
533		    split quotemeta ($sep), $1;
534	$ENV{PATH} .= "$sep/bin" if $is_cygwin;  # Must have /bin under Cygwin
535
536	$runperl =~ /(.*)/s;
537	$runperl = $1;
538
539	$result = `$runperl`;
540    } else {
541	$result = `$runperl`;
542    }
543    $result =~ s/\n\n/\n/ if $is_vms; # XXX pipes sometimes double these
544    return $result;
545}
546
547*run_perl = \&runperl; # Nice alias.
548
549sub DIE {
550    print STDERR "# @_\n";
551    exit 1;
552}
553
554# A somewhat safer version of the sometimes wrong $^X.
555my $Perl;
556sub which_perl {
557    unless (defined $Perl) {
558	$Perl = $^X;
559
560	# VMS should have 'perl' aliased properly
561	return $Perl if $^O eq 'VMS';
562
563	my $exe;
564	eval "require Config; Config->import";
565	if ($@) {
566	    warn "test.pl had problems loading Config: $@";
567	    $exe = '';
568	} else {
569	    $exe = $Config{_exe};
570	}
571       $exe = '' unless defined $exe;
572
573	# This doesn't absolutize the path: beware of future chdirs().
574	# We could do File::Spec->abs2rel() but that does getcwd()s,
575	# which is a bit heavyweight to do here.
576
577	if ($Perl =~ /^perl\Q$exe\E$/i) {
578	    my $perl = "perl$exe";
579	    eval "require File::Spec";
580	    if ($@) {
581		warn "test.pl had problems loading File::Spec: $@";
582		$Perl = "./$perl";
583	    } else {
584		$Perl = File::Spec->catfile(File::Spec->curdir(), $perl);
585	    }
586	}
587
588	# Build up the name of the executable file from the name of
589	# the command.
590
591	if ($Perl !~ /\Q$exe\E$/i) {
592	    $Perl .= $exe;
593	}
594
595	warn "which_perl: cannot find $Perl from $^X" unless -f $Perl;
596
597	# For subcommands to use.
598	$ENV{PERLEXE} = $Perl;
599    }
600    return $Perl;
601}
602
603sub unlink_all {
604    foreach my $file (@_) {
605        1 while unlink $file;
606        print STDERR "# Couldn't unlink '$file': $!\n" if -f $file;
607    }
608}
609
610
611my $tmpfile = "misctmp000";
6121 while -f ++$tmpfile;
613END { unlink_all $tmpfile }
614
615#
616# _fresh_perl
617#
618# The $resolve must be a subref that tests the first argument
619# for success, or returns the definition of success (e.g. the
620# expected scalar) if given no arguments.
621#
622
623sub _fresh_perl {
624    my($prog, $resolve, $runperl_args, $name) = @_;
625
626    $runperl_args ||= {};
627    $runperl_args->{progfile} = $tmpfile;
628    $runperl_args->{stderr} = 1;
629
630    open TEST, ">$tmpfile" or die "Cannot open $tmpfile: $!";
631
632    # VMS adjustments
633    if( $^O eq 'VMS' ) {
634        $prog =~ s#/dev/null#NL:#;
635
636        # VMS file locking
637        $prog =~ s{if \(-e _ and -f _ and -r _\)}
638                  {if (-e _ and -f _)}
639    }
640
641    print TEST $prog;
642    close TEST or die "Cannot close $tmpfile: $!";
643
644    my $results = runperl(%$runperl_args);
645    my $status = $?;
646
647    # Clean up the results into something a bit more predictable.
648    $results =~ s/\n+$//;
649    $results =~ s/at\s+misctmp\d+\s+line/at - line/g;
650    $results =~ s/of\s+misctmp\d+\s+aborted/of - aborted/g;
651
652    # bison says 'parse error' instead of 'syntax error',
653    # various yaccs may or may not capitalize 'syntax'.
654    $results =~ s/^(syntax|parse) error/syntax error/mig;
655
656    if ($^O eq 'VMS') {
657        # some tests will trigger VMS messages that won't be expected
658        $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
659
660        # pipes double these sometimes
661        $results =~ s/\n\n/\n/g;
662    }
663
664    my $pass = $resolve->($results);
665    unless ($pass) {
666        _diag "# PROG: \n$prog\n";
667        _diag "# EXPECTED:\n", $resolve->(), "\n";
668        _diag "# GOT:\n$results\n";
669        _diag "# STATUS: $status\n";
670    }
671
672    # Use the first line of the program as a name if none was given
673    unless( $name ) {
674        ($first_line, $name) = $prog =~ /^((.{1,50}).*)/;
675        $name .= '...' if length $first_line > length $name;
676    }
677
678    _ok($pass, _where(), "fresh_perl - $name");
679}
680
681#
682# fresh_perl_is
683#
684# Combination of run_perl() and is().
685#
686
687sub fresh_perl_is {
688    my($prog, $expected, $runperl_args, $name) = @_;
689    local $Level = 2;
690    _fresh_perl($prog,
691		sub { @_ ? $_[0] eq $expected : $expected },
692		$runperl_args, $name);
693}
694
695#
696# fresh_perl_like
697#
698# Combination of run_perl() and like().
699#
700
701sub fresh_perl_like {
702    my($prog, $expected, $runperl_args, $name) = @_;
703    local $Level = 2;
704    _fresh_perl($prog,
705		sub { @_ ?
706			  $_[0] =~ (ref $expected ? $expected : /$expected/) :
707		          $expected },
708		$runperl_args, $name);
709}
710
711sub can_ok ($@) {
712    my($proto, @methods) = @_;
713    my $class = ref $proto || $proto;
714
715    unless( @methods ) {
716        return _ok( 0, _where(), "$class->can(...)" );
717    }
718
719    my @nok = ();
720    foreach my $method (@methods) {
721        local($!, $@);  # don't interfere with caller's $@
722                        # eval sometimes resets $!
723        eval { $proto->can($method) } || push @nok, $method;
724    }
725
726    my $name;
727    $name = @methods == 1 ? "$class->can('$methods[0]')"
728                          : "$class->can(...)";
729
730    _ok( !@nok, _where(), $name );
731}
732
733sub isa_ok ($$;$) {
734    my($object, $class, $obj_name) = @_;
735
736    my $diag;
737    $obj_name = 'The object' unless defined $obj_name;
738    my $name = "$obj_name isa $class";
739    if( !defined $object ) {
740        $diag = "$obj_name isn't defined";
741    }
742    elsif( !ref $object ) {
743        $diag = "$obj_name isn't a reference";
744    }
745    else {
746        # We can't use UNIVERSAL::isa because we want to honor isa() overrides
747        local($@, $!);  # eval sometimes resets $!
748        my $rslt = eval { $object->isa($class) };
749        if( $@ ) {
750            if( $@ =~ /^Can't call method "isa" on unblessed reference/ ) {
751                if( !UNIVERSAL::isa($object, $class) ) {
752                    my $ref = ref $object;
753                    $diag = "$obj_name isn't a '$class' it's a '$ref'";
754                }
755            } else {
756                die <<WHOA;
757WHOA! I tried to call ->isa on your object and got some weird error.
758This should never happen.  Please contact the author immediately.
759Here's the error.
760$@
761WHOA
762            }
763        }
764        elsif( !$rslt ) {
765            my $ref = ref $object;
766            $diag = "$obj_name isn't a '$class' it's a '$ref'";
767        }
768    }
769
770    _ok( !$diag, _where(), $name );
771}
772
7731;
774