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Remove the two "VMS adjustments" from test.pl's _fresh_perl
[perl5.git] / t / test.pl
CommitLineData
69026470 1#
f69d9fdf
KW
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
485f531e
DL
5
6
7# NOTE:
8#
9# Increment ($x++) has a certain amount of cleverness for things like
10#
11# $x = 'zz';
12# $x++; # $x eq 'aaa';
69026470 13#
485f531e
DL
14# stands more chance of breaking than just a simple
15#
16# $x = $x + 1
17#
18# In this file, we use the latter "Baby Perl" approach, and increment
19# will be worked over by t/op/inc.t
69026470 20
dcc7f481 21$Level = 1;
69026470
JH
22my $test = 1;
23my $planned;
6137113d 24my $noplan;
5fe9b82b 25my $Perl; # Safer version of $^X set by which_perl()
69026470 26
ef237063
NC
27# This defines ASCII/UTF-8 vs EBCDIC/UTF-EBCDIC
28$::IS_ASCII = ord 'A' == 65;
29$::IS_EBCDIC = ord 'A' == 193;
30
7d932aad 31$TODO = 0;
b6345914 32$NO_ENDING = 0;
02455492 33$Tests_Are_Passing = 1;
7d932aad 34
3d66076a
MS
35# Use this instead of print to avoid interference while testing globals.
36sub _print {
37 local($\, $", $,) = (undef, ' ', '');
38 print STDOUT @_;
39}
40
41sub _print_stderr {
42 local($\, $", $,) = (undef, ' ', '');
43 print STDERR @_;
44}
45
69026470
JH
46sub plan {
47 my $n;
48 if (@_ == 1) {
49 $n = shift;
6137113d
NC
50 if ($n eq 'no_plan') {
51 undef $n;
52 $noplan = 1;
53 }
69026470
JH
54 } else {
55 my %plan = @_;
8210c8d3 56 $n = $plan{tests};
69026470 57 }
3d66076a 58 _print "1..$n\n" unless $noplan;
69026470
JH
59 $planned = $n;
60}
61
c4ef7183
MS
62
63# Set the plan at the end. See Test::More::done_testing.
64sub done_testing {
65 my $n = $test - 1;
66 $n = shift if @_;
67
68 _print "1..$n\n";
69 $planned = $n;
70}
71
72
69026470
JH
73END {
74 my $ran = $test - 1;
6137113d
NC
75 if (!$NO_ENDING) {
76 if (defined $planned && $planned != $ran) {
3d66076a 77 _print_stderr
6137113d
NC
78 "# Looks like you planned $planned tests but ran $ran.\n";
79 } elsif ($noplan) {
3d66076a 80 _print "1..$ran\n";
6137113d 81 }
69026470
JH
82 }
83}
84
de522f7a 85sub _diag {
cf8feb78 86 return unless @_;
92c9394b 87 my @mess = _comment(@_);
44826442 88 $TODO ? _print(@mess) : _print_stderr(@mess);
de522f7a
MS
89}
90
93f09d7b 91# Use this instead of "print STDERR" when outputting failure diagnostic
92c9394b 92# messages
485f531e
DL
93sub diag {
94 _diag(@_);
95}
96
93f09d7b 97# Use this instead of "print" when outputting informational messages
92c9394b
MS
98sub note {
99 return unless @_;
100 _print( _comment(@_) );
101}
102
445876fa
KW
103sub is_miniperl {
104 return !defined &DynaLoader::boot_DynaLoader;
105}
106
92c9394b
MS
107sub _comment {
108 return map { /^#/ ? "$_\n" : "# $_\n" }
109 map { split /\n/ } @_;
110}
111
f12ade25
FC
112sub _have_dynamic_extension {
113 my $extension = shift;
114 unless (eval {require Config; 1}) {
115 warn "test.pl had problems loading Config: $@";
116 return 1;
117 }
118 $extension =~ s!::!/!g;
119 return 1 if ($Config::Config{extensions} =~ /\b$extension\b/);
120}
121
69026470
JH
122sub skip_all {
123 if (@_) {
7bb7fa38 124 _print "1..0 # Skip @_\n";
69026470 125 } else {
3d66076a 126 _print "1..0\n";
69026470
JH
127 }
128 exit(0);
129}
130
c82d0e1e 131sub skip_all_if_miniperl {
445876fa 132 skip_all(@_) if is_miniperl();
c82d0e1e
NC
133}
134
273be65c 135sub skip_all_without_dynamic_extension {
f12ade25 136 my ($extension) = @_;
273be65c 137 skip_all("no dynamic loading on miniperl, no $extension") if is_miniperl();
f12ade25 138 return if &_have_dynamic_extension;
7465bc32
NC
139 skip_all("$extension was not built");
140}
141
e05e9c3d
NC
142sub skip_all_without_perlio {
143 skip_all('no PerlIO') unless PerlIO::Layer->find('perlio');
144}
145
9c8416b2 146sub skip_all_without_config {
cb01154c 147 unless (eval {require Config; 1}) {
9c8416b2
NC
148 warn "test.pl had problems loading Config: $@";
149 return;
150 }
77ba2250
NC
151 foreach (@_) {
152 next if $Config::Config{$_};
153 my $key = $_; # Need to copy, before trying to modify.
9c8416b2
NC
154 $key =~ s/^use//;
155 $key =~ s/^d_//;
77ba2250 156 skip_all("no $key");
9c8416b2 157 }
9c8416b2
NC
158}
159
9c86860c 160sub find_git_or_skip {
fb7d5399 161 my ($source_dir, $reason);
962ff913 162 if (-d '.git') {
fb7d5399 163 $source_dir = '.';
962ff913 164 } elsif (-l 'MANIFEST' && -l 'AUTHORS') {
7eccb5a9
NC
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
fb7d5399
NC
171 if (exists $ENV{GIT_DIR}) {
172 diag("Found source tree at $where, but \$ENV{GIT_DIR} is $ENV{GIT_DIR}. Not changing it");
173 } else {
174 note("Found source tree at $where, setting \$ENV{GIT_DIR}");
175 $ENV{GIT_DIR} = "$where/.git";
176 }
177 $source_dir = $where;
7eccb5a9
NC
178 }
179 }
fb7d5399 180 if ($source_dir) {
962ff913
NC
181 my $version_string = `git --version`;
182 if (defined $version_string
183 && $version_string =~ /\Agit version (\d+\.\d+\.\d+)(.*)/) {
fb7d5399 184 return $source_dir if eval "v$1 ge v1.5.0";
962ff913
NC
185 # If you have earlier than 1.5.0 and it works, change this test
186 $reason = "in git checkout, but git version '$1$2' too old";
187 } else {
188 $reason = "in git checkout, but cannot run git";
189 }
190 } else {
191 $reason = 'not being run from a git checkout';
192 }
9c86860c
NC
193 skip_all($reason) if $_[0] && $_[0] eq 'all';
194 skip($reason, @_);
195}
196
779248a0
CK
197sub BAIL_OUT {
198 my ($reason) = @_;
199 _print("Bail out! $reason\n");
200 exit 255;
201}
202
69026470 203sub _ok {
7d932aad 204 my ($pass, $where, $name, @mess) = @_;
69026470
JH
205 # Do not try to microoptimize by factoring out the "not ".
206 # VMS will avenge.
7d932aad
MS
207 my $out;
208 if ($name) {
b734d6c9
MS
209 # escape out '#' or it will interfere with '# skip' and such
210 $name =~ s/#/\\#/g;
7d932aad 211 $out = $pass ? "ok $test - $name" : "not ok $test - $name";
69026470 212 } else {
7d932aad 213 $out = $pass ? "ok $test" : "not ok $test";
69026470 214 }
7d932aad 215
02455492
NC
216 if ($TODO) {
217 $out = $out . " # TODO $TODO";
218 } else {
219 $Tests_Are_Passing = 0 unless $pass;
220 }
221
3d66076a 222 _print "$out\n";
7d932aad 223
9b9ae264
DM
224 if ($pass) {
225 note @mess; # Ensure that the message is properly escaped.
226 }
227 else {
ffb73d65
CB
228 my $msg = "# Failed test $test - ";
229 $msg.= "$name " if $name;
230 $msg .= "$where\n";
231 _diag $msg;
9b9ae264 232 _diag @mess;
69026470 233 }
7d932aad 234
485f531e 235 $test = $test + 1; # don't use ++
1577bb16
MS
236
237 return $pass;
69026470
JH
238}
239
240sub _where {
dcc7f481 241 my @caller = caller($Level);
69026470
JH
242 return "at $caller[1] line $caller[2]";
243}
244
1d662fb6 245# DON'T use this for matches. Use like() instead.
c3029c66 246sub ok ($@) {
7d932aad
MS
247 my ($pass, $name, @mess) = @_;
248 _ok($pass, _where(), $name, @mess);
69026470
JH
249}
250
b3c72391
JH
251sub _q {
252 my $x = shift;
253 return 'undef' unless defined $x;
254 my $q = $x;
d279d8f8
NC
255 $q =~ s/\\/\\\\/g;
256 $q =~ s/'/\\'/g;
b3c72391
JH
257 return "'$q'";
258}
259
677fb045
NC
260sub _qq {
261 my $x = shift;
262 return defined $x ? '"' . display ($x) . '"' : 'undef';
263};
264
265# keys are the codes \n etc map to, values are 2 char strings such as \n
266my %backslash_escape;
267foreach my $x (split //, 'nrtfa\\\'"') {
268 $backslash_escape{ord eval "\"\\$x\""} = "\\$x";
269}
270# A way to display scalars containing control characters and Unicode.
271# Trying to avoid setting $_, or relying on local $_ to work.
272sub display {
273 my @result;
274 foreach my $x (@_) {
275 if (defined $x and not ref $x) {
276 my $y = '';
277 foreach my $c (unpack("U*", $x)) {
278 if ($c > 255) {
11ea18f2 279 $y = $y . sprintf "\\x{%x}", $c;
677fb045 280 } elsif ($backslash_escape{$c}) {
11ea18f2 281 $y = $y . $backslash_escape{$c};
677fb045
NC
282 } else {
283 my $z = chr $c; # Maybe we can get away with a literal...
1cfccccd
KW
284 if ($z =~ /[[:^print:]]/) {
285
286 # Use octal for characters traditionally expressed as
287 # such: the low controls
288 if ($c <= 037) {
289 $z = sprintf "\\%03o", $c;
290 } else {
291 $z = sprintf "\\x{%x}", $c;
292 }
293 }
11ea18f2 294 $y = $y . $z;
677fb045
NC
295 }
296 }
297 $x = $y;
298 }
299 return $x unless wantarray;
300 push @result, $x;
301 }
302 return @result;
303}
304
c3029c66 305sub is ($$@) {
7d932aad 306 my ($got, $expected, $name, @mess) = @_;
c831d34f
MS
307
308 my $pass;
309 if( !defined $got || !defined $expected ) {
310 # undef only matches undef
311 $pass = !defined $got && !defined $expected;
312 }
313 else {
314 $pass = $got eq $expected;
315 }
316
69026470 317 unless ($pass) {
d5f8084a
KW
318 unshift(@mess, "# got "._qq($got)."\n",
319 "# expected "._qq($expected)."\n");
69026470 320 }
7d932aad 321 _ok($pass, _where(), $name, @mess);
69026470
JH
322}
323
c3029c66 324sub isnt ($$@) {
3e90d5a3 325 my ($got, $isnt, $name, @mess) = @_;
c831d34f
MS
326
327 my $pass;
328 if( !defined $got || !defined $isnt ) {
329 # undef only matches undef
330 $pass = defined $got || defined $isnt;
331 }
332 else {
333 $pass = $got ne $isnt;
334 }
335
3e90d5a3 336 unless( $pass ) {
d5f8084a 337 unshift(@mess, "# it should not be "._qq($got)."\n",
3e90d5a3
MS
338 "# but it is.\n");
339 }
340 _ok($pass, _where(), $name, @mess);
341}
342
c3029c66 343sub cmp_ok ($$$@) {
58d76dfd
JH
344 my($got, $type, $expected, $name, @mess) = @_;
345
346 my $pass;
347 {
348 local $^W = 0;
349 local($@,$!); # don't interfere with $@
350 # eval() sometimes resets $!
351 $pass = eval "\$got $type \$expected";
352 }
353 unless ($pass) {
354 # It seems Irix long doubles can have 2147483648 and 2147483648
93f09d7b 355 # that stringify to the same thing but are actually numerically
58d76dfd
JH
356 # different. Display the numbers if $type isn't a string operator,
357 # and the numbers are stringwise the same.
358 # (all string operators have alphabetic names, so tr/a-z// is true)
93f09d7b
PAR
359 # This will also show numbers for some unneeded cases, but will
360 # definitely be helpful for things such as == and <= that fail
58d76dfd
JH
361 if ($got eq $expected and $type !~ tr/a-z//) {
362 unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
363 }
d5f8084a
KW
364 unshift(@mess, "# got "._qq($got)."\n",
365 "# expected $type "._qq($expected)."\n");
58d76dfd
JH
366 }
367 _ok($pass, _where(), $name, @mess);
368}
369
370# Check that $got is within $range of $expected
371# if $range is 0, then check it's exact
372# else if $expected is 0, then $range is an absolute value
373# otherwise $range is a fractional error.
374# Here $range must be numeric, >= 0
375# Non numeric ranges might be a useful future extension. (eg %)
c3029c66 376sub within ($$$@) {
58d76dfd
JH
377 my ($got, $expected, $range, $name, @mess) = @_;
378 my $pass;
379 if (!defined $got or !defined $expected or !defined $range) {
380 # This is a fail, but doesn't need extra diagnostics
381 } elsif ($got !~ tr/0-9// or $expected !~ tr/0-9// or $range !~ tr/0-9//) {
382 # This is a fail
383 unshift @mess, "# got, expected and range must be numeric\n";
384 } elsif ($range < 0) {
385 # This is also a fail
386 unshift @mess, "# range must not be negative\n";
387 } elsif ($range == 0) {
388 # Within 0 is ==
389 $pass = $got == $expected;
390 } elsif ($expected == 0) {
391 # If expected is 0, treat range as absolute
392 $pass = ($got <= $range) && ($got >= - $range);
393 } else {
394 my $diff = $got - $expected;
395 $pass = abs ($diff / $expected) < $range;
396 }
397 unless ($pass) {
398 if ($got eq $expected) {
399 unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
400 }
d5f8084a
KW
401 unshift@mess, "# got "._qq($got)."\n",
402 "# expected "._qq($expected)." (within "._qq($range).")\n";
58d76dfd
JH
403 }
404 _ok($pass, _where(), $name, @mess);
405}
406
69026470 407# Note: this isn't quite as fancy as Test::More::like().
724aa791
JC
408
409sub like ($$@) { like_yn (0,@_) }; # 0 for -
410sub unlike ($$@) { like_yn (1,@_) }; # 1 for un-
411
412sub like_yn ($$$@) {
0973e8e6 413 my ($flip, undef, $expected, $name, @mess) = @_;
69026470 414 my $pass;
0973e8e6
NC
415 $pass = $_[1] =~ /$expected/ if !$flip;
416 $pass = $_[1] !~ /$expected/ if $flip;
724aa791 417 unless ($pass) {
0973e8e6 418 unshift(@mess, "# got '$_[1]'\n",
5a4a8c8b
NC
419 $flip
420 ? "# expected !~ /$expected/\n" : "# expected /$expected/\n");
69026470 421 }
5693d826 422 local $Level = $Level + 1;
7d932aad 423 _ok($pass, _where(), $name, @mess);
69026470
JH
424}
425
426sub pass {
427 _ok(1, '', @_);
428}
429
430sub fail {
431 _ok(0, _where(), @_);
432}
433
ad20d923 434sub curr_test {
cf8feb78 435 $test = shift if @_;
ad20d923
MS
436 return $test;
437}
438
3e90d5a3 439sub next_test {
178eff92 440 my $retval = $test;
485f531e 441 $test = $test + 1; # don't use ++
178eff92 442 $retval;
3e90d5a3
MS
443}
444
69026470
JH
445# Note: can't pass multipart messages since we try to
446# be compatible with Test::More::skip().
447sub skip {
7d932aad 448 my $why = shift;
982b7cb7 449 my $n = @_ ? shift : 1;
69026470 450 for (1..$n) {
7bb7fa38 451 _print "ok $test # skip $why\n";
485f531e 452 $test = $test + 1;
69026470
JH
453 }
454 local $^W = 0;
455 last SKIP;
456}
457
8c49cd2e 458sub skip_if_miniperl {
445876fa 459 skip(@_) if is_miniperl();
8c49cd2e
NC
460}
461
f12ade25
FC
462sub skip_without_dynamic_extension {
463 my ($extension) = @_;
464 skip("no dynamic loading on miniperl, no $extension") if is_miniperl();
465 return if &_have_dynamic_extension;
688af3a7 466 skip("$extension was not built");
f12ade25
FC
467}
468
09f04786
MS
469sub todo_skip {
470 my $why = shift;
471 my $n = @_ ? shift : 1;
472
473 for (1..$n) {
7bb7fa38 474 _print "not ok $test # TODO & SKIP $why\n";
485f531e 475 $test = $test + 1;
09f04786
MS
476 }
477 local $^W = 0;
478 last TODO;
479}
480
69026470
JH
481sub eq_array {
482 my ($ra, $rb) = @_;
483 return 0 unless $#$ra == $#$rb;
484 for my $i (0..$#$ra) {
8210c8d3 485 next if !defined $ra->[$i] && !defined $rb->[$i];
135d199b
DM
486 return 0 if !defined $ra->[$i];
487 return 0 if !defined $rb->[$i];
69026470
JH
488 return 0 unless $ra->[$i] eq $rb->[$i];
489 }
490 return 1;
491}
492
677fb045
NC
493sub eq_hash {
494 my ($orig, $suspect) = @_;
495 my $fail;
496 while (my ($key, $value) = each %$suspect) {
497 # Force a hash recompute if this perl's internals can cache the hash key.
498 $key = "" . $key;
499 if (exists $orig->{$key}) {
fb75be7e
HS
500 if (
501 defined $orig->{$key} != defined $value
502 || (defined $value && $orig->{$key} ne $value)
503 ) {
3d66076a 504 _print "# key ", _qq($key), " was ", _qq($orig->{$key}),
de522f7a 505 " now ", _qq($value), "\n";
677fb045
NC
506 $fail = 1;
507 }
508 } else {
3d66076a 509 _print "# key ", _qq($key), " is ", _qq($value),
75385f53 510 ", not in original.\n";
677fb045
NC
511 $fail = 1;
512 }
513 }
514 foreach (keys %$orig) {
515 # Force a hash recompute if this perl's internals can cache the hash key.
516 $_ = "" . $_;
517 next if (exists $suspect->{$_});
3d66076a 518 _print "# key ", _qq($_), " was ", _qq($orig->{$_}), " now missing.\n";
677fb045
NC
519 $fail = 1;
520 }
521 !$fail;
522}
523
d47bdea7 524# We only provide a subset of the Test::More functionality.
c3029c66 525sub require_ok ($) {
69026470 526 my ($require) = @_;
d47bdea7
NC
527 if ($require =~ tr/[A-Za-z0-9:.]//c) {
528 fail("Invalid character in \"$require\", passed to require_ok");
529 } else {
530 eval <<REQUIRE_OK;
69026470
JH
531require $require;
532REQUIRE_OK
d47bdea7
NC
533 is($@, '', _where(), "require $require");
534 }
69026470
JH
535}
536
c3029c66 537sub use_ok ($) {
69026470 538 my ($use) = @_;
d47bdea7
NC
539 if ($use =~ tr/[A-Za-z0-9:.]//c) {
540 fail("Invalid character in \"$use\", passed to use");
541 } else {
542 eval <<USE_OK;
69026470
JH
543use $use;
544USE_OK
d47bdea7
NC
545 is($@, '', _where(), "use $use");
546 }
69026470
JH
547}
548
137352a2
RGS
549# runperl - Runs a separate perl interpreter.
550# Arguments :
551# switches => [ command-line switches ]
552# nolib => 1 # don't use -I../lib (included by default)
3d7a9343 553# non_portable => Don't warn if a one liner contains quotes
137352a2 554# prog => one-liner (avoid quotes)
d83945bc 555# progs => [ multi-liner (avoid quotes) ]
137352a2
RGS
556# progfile => perl script
557# stdin => string to feed the stdin
558# stderr => redirect stderr to stdout
559# args => [ command-line arguments to the perl program ]
cb9c5e20 560# verbose => print the command line
137352a2
RGS
561
562my $is_mswin = $^O eq 'MSWin32';
563my $is_netware = $^O eq 'NetWare';
137352a2 564my $is_vms = $^O eq 'VMS';
e67ed694 565my $is_cygwin = $^O eq 'cygwin';
137352a2 566
cb9c5e20
JH
567sub _quote_args {
568 my ($runperl, $args) = @_;
569
570 foreach (@$args) {
571 # In VMS protect with doublequotes because otherwise
572 # DCL will lowercase -- unless already doublequoted.
ea9ac5ad 573 $_ = q(").$_.q(") if $is_vms && !/^\"/ && length($_) > 0;
1cce9906 574 $runperl = $runperl . ' ' . $_;
cb9c5e20 575 }
1cce9906 576 return $runperl;
cb9c5e20
JH
577}
578
4cd2bd1f 579sub _create_runperl { # Create the string to qx in runperl().
137352a2 580 my %args = @_;
5fe9b82b
JH
581 my $runperl = which_perl();
582 if ($runperl =~ m/\s/) {
583 $runperl = qq{"$runperl"};
584 }
6cf707aa
RGS
585 #- this allows, for example, to set PERL_RUNPERL_DEBUG=/usr/bin/valgrind
586 if ($ENV{PERL_RUNPERL_DEBUG}) {
587 $runperl = "$ENV{PERL_RUNPERL_DEBUG} $runperl";
588 }
f93a5f07 589 unless ($args{nolib}) {
11ea18f2 590 $runperl = $runperl . ' "-I../lib"'; # doublequotes because of VMS
137352a2 591 }
d83945bc 592 if ($args{switches}) {
343d4a7b
JH
593 local $Level = 2;
594 die "test.pl:runperl(): 'switches' must be an ARRAYREF " . _where()
595 unless ref $args{switches} eq "ARRAY";
1cce9906 596 $runperl = _quote_args($runperl, $args{switches});
d83945bc 597 }
137352a2 598 if (defined $args{prog}) {
21820af6
JH
599 die "test.pl:runperl(): both 'prog' and 'progs' cannot be used " . _where()
600 if defined $args{progs};
d83945bc
A
601 $args{progs} = [$args{prog}]
602 }
603 if (defined $args{progs}) {
21820af6
JH
604 die "test.pl:runperl(): 'progs' must be an ARRAYREF " . _where()
605 unless ref $args{progs} eq "ARRAY";
d83945bc 606 foreach my $prog (@{$args{progs}}) {
3d7a9343
NC
607 if ($prog =~ tr/'"// && !$args{non_portable}) {
608 warn "quotes in prog >>$prog<< are not portable";
609 }
d83945bc 610 if ($is_mswin || $is_netware || $is_vms) {
11ea18f2 611 $runperl = $runperl . qq ( -e "$prog" );
d83945bc
A
612 }
613 else {
11ea18f2 614 $runperl = $runperl . qq ( -e '$prog' );
d83945bc
A
615 }
616 }
137352a2 617 } elsif (defined $args{progfile}) {
11ea18f2 618 $runperl = $runperl . qq( "$args{progfile}");
9a731dbd 619 } else {
93f09d7b 620 # You probably didn't want to be sucking in from the upstream stdin
9a731dbd
NC
621 die "test.pl:runperl(): none of prog, progs, progfile, args, "
622 . " switches or stdin specified"
623 unless defined $args{args} or defined $args{switches}
624 or defined $args{stdin};
137352a2
RGS
625 }
626 if (defined $args{stdin}) {
dc459aad
JH
627 # so we don't try to put literal newlines and crs onto the
628 # command line.
629 $args{stdin} =~ s/\n/\\n/g;
630 $args{stdin} =~ s/\r/\\r/g;
5ae09a77 631
137352a2 632 if ($is_mswin || $is_netware || $is_vms) {
5fe9b82b 633 $runperl = qq{$Perl -e "print qq(} .
137352a2
RGS
634 $args{stdin} . q{)" | } . $runperl;
635 }
636 else {
5fe9b82b 637 $runperl = qq{$Perl -e 'print qq(} .
137352a2
RGS
638 $args{stdin} . q{)' | } . $runperl;
639 }
640 }
641 if (defined $args{args}) {
1cce9906 642 $runperl = _quote_args($runperl, $args{args});
cb9c5e20 643 }
11ea18f2 644 $runperl = $runperl . ' 2>&1' if $args{stderr};
cb9c5e20
JH
645 if ($args{verbose}) {
646 my $runperldisplay = $runperl;
647 $runperldisplay =~ s/\n/\n\#/g;
3d66076a 648 _print_stderr "# $runperldisplay\n";
137352a2 649 }
4cd2bd1f
JH
650 return $runperl;
651}
652
653sub runperl {
9a731dbd
NC
654 die "test.pl:runperl() does not take a hashref"
655 if ref $_[0] and ref $_[0] eq 'HASH';
4cd2bd1f 656 my $runperl = &_create_runperl;
613de57f
NC
657 my $result;
658
8210c8d3
MB
659 my $tainted = ${^TAINT};
660 my %args = @_;
485f531e 661 exists $args{switches} && grep m/^-T$/, @{$args{switches}} and $tainted = $tainted + 1;
8210c8d3
MB
662
663 if ($tainted) {
613de57f
NC
664 # We will assume that if you're running under -T, you really mean to
665 # run a fresh perl, so we'll brute force launder everything for you
666 my $sep;
667
cb01154c 668 if (! eval {require Config; 1}) {
613de57f
NC
669 warn "test.pl had problems loading Config: $@";
670 $sep = ':';
671 } else {
afe79e7b 672 $sep = $Config::Config{path_sep};
a70a1627 673 }
613de57f
NC
674
675 my @keys = grep {exists $ENV{$_}} qw(CDPATH IFS ENV BASH_ENV);
676 local @ENV{@keys} = ();
677 # Untaint, plus take out . and empty string:
02bb3106 678 local $ENV{'DCL$PATH'} = $1 if $is_vms && exists($ENV{'DCL$PATH'}) && ($ENV{'DCL$PATH'} =~ /(.*)/s);
613de57f 679 $ENV{PATH} =~ /(.*)/s;
8210c8d3 680 local $ENV{PATH} =
3b6d8381 681 join $sep, grep { $_ ne "" and $_ ne "." and -d $_ and
326b5008 682 ($is_mswin or $is_vms or !(stat && (stat _)[2]&0022)) }
8210c8d3 683 split quotemeta ($sep), $1;
59aae9bd
JH
684 if ($is_cygwin) { # Must have /bin under Cygwin
685 if (length $ENV{PATH}) {
686 $ENV{PATH} = $ENV{PATH} . $sep;
687 }
688 $ENV{PATH} = $ENV{PATH} . '/bin';
689 }
613de57f
NC
690 $runperl =~ /(.*)/s;
691 $runperl = $1;
692
693 $result = `$runperl`;
694 } else {
695 $result = `$runperl`;
a70a1627 696 }
137352a2
RGS
697 $result =~ s/\n\n/\n/ if $is_vms; # XXX pipes sometimes double these
698 return $result;
699}
700
140f5369
MS
701# Nice alias
702*run_perl = *run_perl = \&runperl; # shut up "used only once" warning
8799135f 703
c4fbe247 704sub DIE {
3d66076a 705 _print_stderr "# @_\n";
c4fbe247 706 exit 1;
8799135f
MS
707}
708
b5fe401b 709# A somewhat safer version of the sometimes wrong $^X.
17a740d5
JH
710sub which_perl {
711 unless (defined $Perl) {
712 $Perl = $^X;
8210c8d3 713
73421c4a 714 # VMS should have 'perl' aliased properly
4b0f0df6 715 return $Perl if $is_vms;
73421c4a 716
17a740d5 717 my $exe;
cb01154c 718 if (! eval {require Config; 1}) {
17a740d5
JH
719 warn "test.pl had problems loading Config: $@";
720 $exe = '';
85363d30 721 } else {
afe79e7b 722 $exe = $Config::Config{_exe};
85363d30 723 }
da405c16 724 $exe = '' unless defined $exe;
8210c8d3 725
17a740d5
JH
726 # This doesn't absolutize the path: beware of future chdirs().
727 # We could do File::Spec->abs2rel() but that does getcwd()s,
728 # which is a bit heavyweight to do here.
8210c8d3 729
17a740d5 730 if ($Perl =~ /^perl\Q$exe\E$/i) {
8db06b02 731 my $perl = "perl$exe";
cb01154c 732 if (! eval {require File::Spec; 1}) {
17a740d5 733 warn "test.pl had problems loading File::Spec: $@";
8db06b02 734 $Perl = "./$perl";
17a740d5 735 } else {
8db06b02 736 $Perl = File::Spec->catfile(File::Spec->curdir(), $perl);
17a740d5
JH
737 }
738 }
196918b0
PG
739
740 # Build up the name of the executable file from the name of
741 # the command.
742
743 if ($Perl !~ /\Q$exe\E$/i) {
11ea18f2 744 $Perl = $Perl . $exe;
196918b0 745 }
c880be78 746
8db06b02 747 warn "which_perl: cannot find $Perl from $^X" unless -f $Perl;
8210c8d3 748
17a740d5
JH
749 # For subcommands to use.
750 $ENV{PERLEXE} = $Perl;
85363d30 751 }
17a740d5 752 return $Perl;
b5fe401b
MS
753}
754
435e7af6 755sub unlink_all {
55b0687d 756 my $count = 0;
435e7af6
NC
757 foreach my $file (@_) {
758 1 while unlink $file;
55b0687d
BG
759 if( -f $file ){
760 _print_stderr "# Couldn't unlink '$file': $!\n";
761 }else{
762 ++$count;
763 }
435e7af6 764 }
55b0687d 765 $count;
435e7af6 766}
eeabcb2d 767
f6e25e60
BG
768# _num_to_alpha - Returns a string of letters representing a positive integer.
769# Arguments :
770# number to convert
2c36667f 771# maximum number of letters
f6e25e60
BG
772
773# returns undef if the number is negative
2c36667f 774# returns undef if the number of letters is greater than the maximum wanted
f6e25e60
BG
775
776# _num_to_alpha( 0) eq 'A';
777# _num_to_alpha( 1) eq 'B';
778# _num_to_alpha(25) eq 'Z';
779# _num_to_alpha(26) eq 'AA';
780# _num_to_alpha(27) eq 'AB';
781
48e9c5d4
BG
782my @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);
783
f6e25e60
BG
784# Avoid ++ -- ranges split negative numbers
785sub _num_to_alpha{
2c36667f 786 my($num,$max_char) = @_;
f6e25e60
BG
787 return unless $num >= 0;
788 my $alpha = '';
2c36667f
BG
789 my $char_count = 0;
790 $max_char = 0 if $max_char < 0;
791
f6e25e60
BG
792 while( 1 ){
793 $alpha = $letters[ $num % 26 ] . $alpha;
794 $num = int( $num / 26 );
795 last if $num == 0;
796 $num = $num - 1;
2c36667f
BG
797
798 # char limit
799 next unless $max_char;
800 $char_count = $char_count + 1;
801 return if $char_count == $max_char;
f6e25e60
BG
802 }
803 return $alpha;
804}
805
748a4b20
NC
806my %tmpfiles;
807END { unlink_all keys %tmpfiles }
808
809# A regexp that matches the tempfile names
810$::tempfile_regexp = 'tmp\d+[A-Z][A-Z]?';
c1ddc35c 811
7a7e4936 812# Avoid ++, avoid ranges, avoid split //
7b29226f 813my $tempfile_count = 0;
7a7e4936 814sub tempfile {
7b29226f 815 while(1){
7a7e4936 816 my $try = "tmp$$";
7b29226f
BG
817 my $alpha = _num_to_alpha($tempfile_count,2);
818 last unless defined $alpha;
819 $try = $try . $alpha;
820 $tempfile_count = $tempfile_count + 1;
821
748a4b20
NC
822 # Need to note all the file names we allocated, as a second request may
823 # come before the first is created.
7b29226f 824 if (!$tmpfiles{$try} && !-e $try) {
c1ddc35c 825 # We have a winner
11ea18f2 826 $tmpfiles{$try} = 1;
c1ddc35c
NC
827 return $try;
828 }
7b29226f 829 }
9a8c1c8c 830 die "Can't find temporary file name starting \"tmp$$\"";
7a7e4936
NC
831}
832
c1ddc35c 833# This is the temporary file for _fresh_perl
7a7e4936 834my $tmpfile = tempfile();
eeabcb2d 835
f5cda331 836sub _fresh_perl {
55280a0d 837 my($prog, $action, $expect, $runperl_args, $name) = @_;
eeabcb2d 838
11ea18f2
NC
839 # Given the choice of the mis-parsable {}
840 # (we want an anon hash, but a borked lexer might think that it's a block)
841 # or relying on taking a reference to a lexical
842 # (\ might be mis-parsed, and the reference counting on the pad may go
843 # awry)
844 # it feels like the least-worse thing is to assume that auto-vivification
845 # works. At least, this is only going to be a run-time failure, so won't
846 # affect tests using this file but not this function.
c49688b0
MS
847 $runperl_args->{progfile} ||= $tmpfile;
848 $runperl_args->{stderr} = 1 unless exists $runperl_args->{stderr};
eeabcb2d
MS
849
850 open TEST, ">$tmpfile" or die "Cannot open $tmpfile: $!";
0d65d7d5 851 print TEST $prog;
eeabcb2d
MS
852 close TEST or die "Cannot close $tmpfile: $!";
853
854 my $results = runperl(%$runperl_args);
855 my $status = $?;
856
857 # Clean up the results into something a bit more predictable.
50f17f89 858 $results =~ s/\n+$//;
748a4b20
NC
859 $results =~ s/at\s+$::tempfile_regexp\s+line/at - line/g;
860 $results =~ s/of\s+$::tempfile_regexp\s+aborted/of - aborted/g;
eeabcb2d
MS
861
862 # bison says 'parse error' instead of 'syntax error',
863 # various yaccs may or may not capitalize 'syntax'.
864 $results =~ s/^(syntax|parse) error/syntax error/mig;
865
4b0f0df6 866 if ($is_vms) {
eeabcb2d
MS
867 # some tests will trigger VMS messages that won't be expected
868 $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
869
870 # pipes double these sometimes
871 $results =~ s/\n\n/\n/g;
872 }
873
e2c38acd
JH
874 # Use the first line of the program as a name if none was given
875 unless( $name ) {
876 ($first_line, $name) = $prog =~ /^((.{1,50}).*)/;
11ea18f2 877 $name = $name . '...' if length $first_line > length $name;
e2c38acd 878 }
eeabcb2d 879
55280a0d
NC
880 # Historically this was implemented using a closure, but then that means
881 # that the tests for closures avoid using this code. Given that there
882 # are exactly two callers, doing exactly two things, the simpler approach
883 # feels like a better trade off.
884 my $pass;
885 if ($action eq 'eq') {
886 $pass = is($results, $expect, $name);
887 } elsif ($action eq '=~') {
888 $pass = like($results, $expect, $name);
889 } else {
890 die "_fresh_perl can't process action '$action'";
891 }
892
893 unless ($pass) {
894 _diag "# PROG: \n$prog\n";
895 _diag "# STATUS: $status\n";
896 }
897
898 return $pass;
f5cda331
JH
899}
900
901#
141f445b 902# fresh_perl_is
f5cda331
JH
903#
904# Combination of run_perl() and is().
905#
906
907sub fresh_perl_is {
908 my($prog, $expected, $runperl_args, $name) = @_;
50f17f89
MS
909
910 # _fresh_perl() is going to clip the trailing newlines off the result.
911 # This will make it so the test author doesn't have to know that.
912 $expected =~ s/\n+$//;
913
dcc7f481 914 local $Level = 2;
55280a0d 915 _fresh_perl($prog, 'eq', $expected, $runperl_args, $name);
f5cda331
JH
916}
917
918#
141f445b 919# fresh_perl_like
f5cda331
JH
920#
921# Combination of run_perl() and like().
922#
923
924sub fresh_perl_like {
925 my($prog, $expected, $runperl_args, $name) = @_;
dcc7f481 926 local $Level = 2;
55280a0d 927 _fresh_perl($prog, '=~', $expected, $runperl_args, $name);
eeabcb2d
MS
928}
929
ebf2da99
NC
930# Many tests use the same format in __DATA__ or external files to specify a
931# sequence of (fresh) tests to run, extra files they may temporarily need, and
932# what the expected output is. So have excatly one copy of the code to run that
a8775356
TC
933#
934# Each program is source code to run followed by an "EXPECT" line, followed
935# by the expected output.
936#
09b6b4fb
FC
937# The code to run may begin with a command line switch such as -w or -0777
938# (alphanumerics only), and may contain (note the '# ' on each):
a8775356
TC
939# # TODO reason for todo
940# # SKIP reason for skip
941# # SKIP ?code to test if this should be skipped
942# # NAME name of the test (as with ok($ok, $name))
943#
944# The expected output may contain:
945# OPTION list of options
946# OPTIONS list of options
a8775356
TC
947#
948# The possible options for OPTION may be:
949# regex - the expected output is a regular expression
950# random - all lines match but in any order
951# fatal - the code will fail fatally (croak, die)
952#
953# If the actual output contains a line "SKIPPED" the test will be
954# skipped.
955#
708e0e1d
KW
956# If the actual output contains a line "PREFIX", any output starting with that
957# line will be ignored when comparing with the expected output
958#
a8775356
TC
959# If the global variable $FATAL is true then OPTION fatal is the
960# default.
ebf2da99 961
9f5237ac
NC
962sub _setup_one_file {
963 my $fh = shift;
41732369
NC
964 # Store the filename as a program that started at line 0.
965 # Real files count lines starting at line 1.
966 my @these = (0, shift);
967 my ($lineno, $current);
968 while (<$fh>) {
969 if ($_ eq "########\n") {
970 if (defined $current) {
971 push @these, $lineno, $current;
972 }
973 undef $current;
974 } else {
975 if (!defined $current) {
976 $lineno = $.;
977 }
978 $current .= $_;
979 }
980 }
981 if (defined $current) {
982 push @these, $lineno, $current;
983 }
984 ((scalar @these) / 2 - 1, @these);
9f5237ac
NC
985}
986
fdb35a63
NC
987sub setup_multiple_progs {
988 my ($tests, @prgs);
989 foreach my $file (@_) {
990 next if $file =~ /(?:~|\.orig|,v)$/;
991 next if $file =~ /perlio$/ && !PerlIO::Layer->find('perlio');
992 next if -d $file;
993
994 open my $fh, '<', $file or die "Cannot open $file: $!\n" ;
995 my $found;
996 while (<$fh>) {
997 if (/^__END__/) {
998 ++$found;
999 last;
1000 }
1001 }
1002 # This is an internal error, and should never happen. All bar one of
1003 # the files had an __END__ marker to signal the end of their preamble,
1004 # although for some it wasn't technically necessary as they have no
1005 # tests. It might be possible to process files without an __END__ by
1006 # seeking back to the start and treating the whole file as tests, but
1007 # it's simpler and more reliable just to make the rule that all files
1008 # must have __END__ in. This should never fail - a file without an
1009 # __END__ should not have been checked in, because the regression tests
1010 # would not have passed.
1011 die "Could not find '__END__' in $file"
1012 unless $found;
1013
41732369 1014 my ($t, @p) = _setup_one_file($fh, $file);
9f5237ac 1015 $tests += $t;
41732369 1016 push @prgs, @p;
fdb35a63
NC
1017
1018 close $fh
1019 or die "Cannot close $file: $!\n";
1020 }
1021 return ($tests, @prgs);
1022}
1023
ebf2da99 1024sub run_multiple_progs {
5f7e0818
NC
1025 my $up = shift;
1026 my @prgs;
1027 if ($up) {
1028 # The tests in lib run in a temporary subdirectory of t, and always
1029 # pass in a list of "programs" to run
1030 @prgs = @_;
1031 } else {
41732369
NC
1032 # The tests below t run in t and pass in a file handle. In theory we
1033 # can pass (caller)[1] as the second argument to report errors with
1034 # the filename of our caller, as the handle is always DATA. However,
1035 # line numbers in DATA count from the __END__ token, so will be wrong.
1036 # Which is more confusing than not providing line numbers. So, for now,
1037 # don't provide line numbers. No obvious clean solution - one hack
1038 # would be to seek DATA back to the start and read to the __END__ token,
1039 # but that feels almost like we should just open $0 instead.
1040
9f5237ac
NC
1041 # Not going to rely on undef in list assignment.
1042 my $dummy;
1043 ($dummy, @prgs) = _setup_one_file(shift);
5f7e0818
NC
1044 }
1045
ebf2da99
NC
1046 my $tmpfile = tempfile();
1047
41732369 1048 my ($file, $line);
c0044231 1049 PROGRAM:
41732369
NC
1050 while (defined ($line = shift @prgs)) {
1051 $_ = shift @prgs;
1052 unless ($line) {
1053 $file = $_;
1054 if (defined $file) {
1055 print "# From $file\n";
1056 }
ebf2da99
NC
1057 next;
1058 }
1059 my $switch = "";
1060 my @temps ;
1061 my @temp_path;
1062 if (s/^(\s*-\w+)//) {
1063 $switch = $1;
1064 }
1065 my ($prog, $expected) = split(/\nEXPECT(?:\n|$)/, $_, 2);
1066
1067 my %reason;
1068 foreach my $what (qw(skip todo)) {
1069 $prog =~ s/^#\s*\U$what\E\s*(.*)\n//m and $reason{$what} = $1;
1070 # If the SKIP reason starts ? then it's taken as a code snippet to
1071 # evaluate. This provides the flexibility to have conditional SKIPs
1072 if ($reason{$what} && $reason{$what} =~ s/^\?//) {
1073 my $temp = eval $reason{$what};
1074 if ($@) {
1075 die "# In \U$what\E code reason:\n# $reason{$what}\n$@";
1076 }
1077 $reason{$what} = $temp;
1078 }
1079 }
c0044231 1080
59e38755
TC
1081 my $name = '';
1082 if ($prog =~ s/^#\s*NAME\s+(.+)\n//m) {
1083 $name = $1;
1084 }
ebf2da99 1085
c0044231
TC
1086 if ($reason{skip}) {
1087 SKIP:
1088 {
1089 skip($name ? "$name - $reason{skip}" : $reason{skip}, 1);
1090 }
1091 next PROGRAM;
1092 }
1093
ebf2da99 1094 if ($prog =~ /--FILE--/) {
e330f831 1095 my @files = split(/\n?--FILE--\s*([^\s\n]*)\s*\n/, $prog) ;
ebf2da99
NC
1096 shift @files ;
1097 die "Internal error: test $_ didn't split into pairs, got " .
1098 scalar(@files) . "[" . join("%%%%", @files) ."]\n"
1099 if @files % 2;
1100 while (@files > 2) {
1101 my $filename = shift @files;
1102 my $code = shift @files;
1103 push @temps, $filename;
1104 if ($filename =~ m#(.*)/# && $filename !~ m#^\.\./#) {
1105 require File::Path;
1106 File::Path::mkpath($1);
1107 push(@temp_path, $1);
1108 }
1109 open my $fh, '>', $filename or die "Cannot open $filename: $!\n";
1110 print $fh $code;
1111 close $fh or die "Cannot close $filename: $!\n";
1112 }
1113 shift @files;
1114 $prog = shift @files;
1115 }
1116
1117 open my $fh, '>', $tmpfile or die "Cannot open >$tmpfile: $!";
1118 print $fh q{
1119 BEGIN {
1120 open STDERR, '>&', STDOUT
1121 or die "Can't dup STDOUT->STDERR: $!;";
1122 }
1123 };
1124 print $fh "\n#line 1\n"; # So the line numbers don't get messed up.
1125 print $fh $prog,"\n";
1126 close $fh or die "Cannot close $tmpfile: $!";
684b0eca
TC
1127 my $results = runperl( stderr => 1, progfile => $tmpfile,
1128 stdin => '', $up
5f7e0818
NC
1129 ? (switches => ["-I$up/lib", $switch], nolib => 1)
1130 : (switches => [$switch])
1131 );
ebf2da99
NC
1132 my $status = $?;
1133 $results =~ s/\n+$//;
1134 # allow expected output to be written as if $prog is on STDIN
1135 $results =~ s/$::tempfile_regexp/-/g;
1136 if ($^O eq 'VMS') {
1137 # some tests will trigger VMS messages that won't be expected
1138 $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
1139
1140 # pipes double these sometimes
1141 $results =~ s/\n\n/\n/g;
1142 }
1143 # bison says 'parse error' instead of 'syntax error',
1144 # various yaccs may or may not capitalize 'syntax'.
1145 $results =~ s/^(syntax|parse) error/syntax error/mig;
1146 # allow all tests to run when there are leaks
1147 $results =~ s/Scalars leaked: \d+\n//g;
1148
1149 $expected =~ s/\n+$//;
1150 my $prefix = ($results =~ s#^PREFIX(\n|$)##) ;
1151 # any special options? (OPTIONS foo bar zap)
1152 my $option_regex = 0;
1153 my $option_random = 0;
59e38755 1154 my $fatal = $FATAL;
ebf2da99
NC
1155 if ($expected =~ s/^OPTIONS? (.+)\n//) {
1156 foreach my $option (split(' ', $1)) {
1157 if ($option eq 'regex') { # allow regular expressions
1158 $option_regex = 1;
1159 }
1160 elsif ($option eq 'random') { # all lines match, but in any order
1161 $option_random = 1;
1162 }
59e38755
TC
1163 elsif ($option eq 'fatal') { # perl should fail
1164 $fatal = 1;
1165 }
ebf2da99
NC
1166 else {
1167 die "$0: Unknown OPTION '$option'\n";
1168 }
1169 }
1170 }
1171 die "$0: can't have OPTION regex and random\n"
1172 if $option_regex + $option_random > 1;
1173 my $ok = 0;
1174 if ($results =~ s/^SKIPPED\n//) {
1175 print "$results\n" ;
1176 $ok = 1;
1177 }
ebf2da99 1178 else {
59e38755
TC
1179 if ($option_random) {
1180 my @got = sort split "\n", $results;
1181 my @expected = sort split "\n", $expected;
1182
1183 $ok = "@got" eq "@expected";
1184 }
1185 elsif ($option_regex) {
1186 $ok = $results =~ /^$expected/;
1187 }
1188 elsif ($prefix) {
1189 $ok = $results =~ /^\Q$expected/;
1190 }
1191 else {
1192 $ok = $results eq $expected;
1193 }
1194
1195 if ($ok && $fatal && !($status >> 8)) {
1196 $ok = 0;
1197 }
ebf2da99
NC
1198 }
1199
1200 local $::TODO = $reason{todo};
1201
1202 unless ($ok) {
1203 my $err_line = "PROG: $switch\n$prog\n" .
59e38755
TC
1204 "EXPECTED:\n$expected\n";
1205 $err_line .= "EXIT STATUS: != 0\n" if $fatal;
1206 $err_line .= "GOT:\n$results\n";
1207 $err_line .= "EXIT STATUS: " . ($status >> 8) . "\n" if $fatal;
ebf2da99
NC
1208 if ($::TODO) {
1209 $err_line =~ s/^/# /mg;
1210 print $err_line; # Harness can't filter it out from STDERR.
1211 }
1212 else {
1213 print STDERR $err_line;
1214 }
1215 }
1216
41732369
NC
1217 if (defined $file) {
1218 _ok($ok, "at $file line $line", $name);
1219 } else {
1220 # We don't have file and line number data for the test, so report
1221 # errors as coming from our caller.
1222 local $Level = $Level + 1;
1223 ok($ok, $name);
1224 }
ebf2da99
NC
1225
1226 foreach (@temps) {
1227 unlink $_ if $_;
1228 }
1229 foreach (@temp_path) {
1230 File::Path::rmtree $_ if -d $_;
1231 }
1232 }
1233}
1234
35a60386
RGS
1235sub can_ok ($@) {
1236 my($proto, @methods) = @_;
1237 my $class = ref $proto || $proto;
1238
1239 unless( @methods ) {
1240 return _ok( 0, _where(), "$class->can(...)" );
1241 }
1242
1243 my @nok = ();
1244 foreach my $method (@methods) {
1245 local($!, $@); # don't interfere with caller's $@
1246 # eval sometimes resets $!
1247 eval { $proto->can($method) } || push @nok, $method;
1248 }
1249
1250 my $name;
8210c8d3 1251 $name = @methods == 1 ? "$class->can('$methods[0]')"
35a60386 1252 : "$class->can(...)";
8210c8d3 1253
35a60386
RGS
1254 _ok( !@nok, _where(), $name );
1255}
1256
ad4e703e 1257
bbce3ca6 1258# Call $class->new( @$args ); and run the result through object_ok.
ad4e703e
MS
1259# See Test::More::new_ok
1260sub new_ok {
1261 my($class, $args, $obj_name) = @_;
1262 $args ||= [];
1263 $object_name = "The object" unless defined $obj_name;
1264
1265 local $Level = $Level + 1;
1266
1267 my $obj;
1268 my $ok = eval { $obj = $class->new(@$args); 1 };
1269 my $error = $@;
1270
1271 if($ok) {
bbce3ca6 1272 object_ok($obj, $class, $object_name);
ad4e703e
MS
1273 }
1274 else {
1275 ok( 0, "new() died" );
1276 diag("Error was: $@");
1277 }
1278
1279 return $obj;
1280
1281}
1282
1283
35a60386
RGS
1284sub isa_ok ($$;$) {
1285 my($object, $class, $obj_name) = @_;
1286
1287 my $diag;
1288 $obj_name = 'The object' unless defined $obj_name;
1289 my $name = "$obj_name isa $class";
1290 if( !defined $object ) {
1291 $diag = "$obj_name isn't defined";
1292 }
35a60386 1293 else {
b8ab4b0c
MS
1294 my $whatami = ref $object ? 'object' : 'class';
1295
35a60386
RGS
1296 # We can't use UNIVERSAL::isa because we want to honor isa() overrides
1297 local($@, $!); # eval sometimes resets $!
1298 my $rslt = eval { $object->isa($class) };
b8ab4b0c
MS
1299 my $error = $@; # in case something else blows away $@
1300
1301 if( $error ) {
1302 if( $error =~ /^Can't call method "isa" on unblessed reference/ ) {
1303 # It's an unblessed reference
1304 $obj_name = 'The reference' unless defined $obj_name;
35a60386
RGS
1305 if( !UNIVERSAL::isa($object, $class) ) {
1306 my $ref = ref $object;
1307 $diag = "$obj_name isn't a '$class' it's a '$ref'";
1308 }
b8ab4b0c
MS
1309 }
1310 elsif( $error =~ /Can't call method "isa" without a package/ ) {
1311 # It's something that can't even be a class
1312 $obj_name = 'The thing' unless defined $obj_name;
1313 $diag = "$obj_name isn't a class or reference";
1314 }
1315 else {
35a60386
RGS
1316 die <<WHOA;
1317WHOA! I tried to call ->isa on your object and got some weird error.
1318This should never happen. Please contact the author immediately.
1319Here's the error.
1320$@
1321WHOA
1322 }
1323 }
1324 elsif( !$rslt ) {
b8ab4b0c 1325 $obj_name = "The $whatami" unless defined $obj_name;
35a60386
RGS
1326 my $ref = ref $object;
1327 $diag = "$obj_name isn't a '$class' it's a '$ref'";
1328 }
1329 }
1330
1331 _ok( !$diag, _where(), $name );
1332}
1333
bbce3ca6
MS
1334
1335sub class_ok {
1336 my($class, $isa, $class_name) = @_;
1337
1338 # Written so as to count as one test
1339 local $Level = $Level + 1;
1340 if( ref $class ) {
1341 ok( 0, "$class is a refrence, not a class name" );
1342 }
1343 else {
1344 isa_ok($class, $isa, $class_name);
1345 }
1346}
1347
1348
1349sub object_ok {
1350 my($obj, $isa, $obj_name) = @_;
1351
1352 local $Level = $Level + 1;
1353 if( !ref $obj ) {
1354 ok( 0, "$obj is not a reference" );
1355 }
1356 else {
1357 isa_ok($obj, $isa, $obj_name);
1358 }
1359}
1360
1361
9eb41b69
NC
1362# Purposefully avoiding a closure.
1363sub __capture {
1364 push @::__capture, join "", @_;
1365}
1366
3fbaac97
NC
1367sub capture_warnings {
1368 my $code = shift;
1369
9eb41b69
NC
1370 local @::__capture;
1371 local $SIG {__WARN__} = \&__capture;
3fbaac97 1372 &$code;
9eb41b69 1373 return @::__capture;
3fbaac97
NC
1374}
1375
1376# This will generate a variable number of tests.
1377# Use done_testing() instead of a fixed plan.
1378sub warnings_like {
1379 my ($code, $expect, $name) = @_;
f4554ed5
NC
1380 local $Level = $Level + 1;
1381
3fbaac97
NC
1382 my @w = capture_warnings($code);
1383
1384 cmp_ok(scalar @w, '==', scalar @$expect, $name);
1385 foreach my $e (@$expect) {
f4554ed5 1386 if (ref $e) {
3fbaac97 1387 like(shift @w, $e, $name);
4d18b353 1388 } else {
3fbaac97 1389 is(shift @w, $e, $name);
4d18b353 1390 }
96980024 1391 }
3fbaac97
NC
1392 if (@w) {
1393 diag("Saw these additional warnings:");
1394 diag($_) foreach @w;
1395 }
1396}
1397
1398sub _fail_excess_warnings {
1399 my($expect, $got, $name) = @_;
1400 local $Level = $Level + 1;
1401 # This will fail, and produce diagnostics
1402 is($expect, scalar @$got, $name);
1403 diag("Saw these warnings:");
1404 diag($_) foreach @$got;
c11a8df3
NC
1405}
1406
4d18b353
NC
1407sub warning_is {
1408 my ($code, $expect, $name) = @_;
1409 die sprintf "Expect must be a string or undef, not a %s reference", ref $expect
1410 if ref $expect;
f4554ed5 1411 local $Level = $Level + 1;
3fbaac97
NC
1412 my @w = capture_warnings($code);
1413 if (@w > 1) {
1414 _fail_excess_warnings(0 + defined $expect, \@w, $name);
1415 } else {
1416 is($w[0], $expect, $name);
1417 }
4d18b353
NC
1418}
1419
1420sub warning_like {
1421 my ($code, $expect, $name) = @_;
1422 die sprintf "Expect must be a regexp object"
1423 unless ref $expect eq 'Regexp';
f4554ed5 1424 local $Level = $Level + 1;
3fbaac97
NC
1425 my @w = capture_warnings($code);
1426 if (@w > 1) {
1427 _fail_excess_warnings(0 + defined $expect, \@w, $name);
1428 } else {
1429 like($w[0], $expect, $name);
1430 }
4d18b353
NC
1431}
1432
087986a7 1433# Set a watchdog to timeout the entire test file
5fe9b82b
JH
1434# NOTE: If the test file uses 'threads', then call the watchdog() function
1435# _AFTER_ the 'threads' module is loaded.
5732108f 1436sub watchdog ($;$)
087986a7
JH
1437{
1438 my $timeout = shift;
36436324 1439 my $method = shift || "";
087986a7
JH
1440 my $timeout_msg = 'Test process timed out - terminating';
1441
e07ce2e4
GG
1442 # Valgrind slows perl way down so give it more time before dying.
1443 $timeout *= 10 if $ENV{PERL_VALGRIND};
1444
087986a7
JH
1445 my $pid_to_kill = $$; # PID for this process
1446
5732108f
GG
1447 if ($method eq "alarm") {
1448 goto WATCHDOG_VIA_ALARM;
1449 }
1450
140f5369
MS
1451 # shut up use only once warning
1452 my $threads_on = $threads::threads && $threads::threads;
1453
5fe9b82b
JH
1454 # Don't use a watchdog process if 'threads' is loaded -
1455 # use a watchdog thread instead
78325d7a 1456 if (!$threads_on || $method eq "process") {
5fe9b82b
JH
1457
1458 # On Windows and VMS, try launching a watchdog process
1459 # using system(1, ...) (see perlport.pod)
4b0f0df6 1460 if ($is_mswin || $is_vms) {
5fe9b82b 1461 # On Windows, try to get the 'real' PID
4b0f0df6 1462 if ($is_mswin) {
5fe9b82b
JH
1463 eval { require Win32; };
1464 if (defined(&Win32::GetCurrentProcessId)) {
1465 $pid_to_kill = Win32::GetCurrentProcessId();
1466 }
087986a7 1467 }
087986a7 1468
5fe9b82b
JH
1469 # If we still have a fake PID, we can't use this method at all
1470 return if ($pid_to_kill <= 0);
1471
1472 # Launch watchdog process
1473 my $watchdog;
1474 eval {
1475 local $SIG{'__WARN__'} = sub {
1476 _diag("Watchdog warning: $_[0]");
1477 };
4b0f0df6 1478 my $sig = $is_vms ? 'TERM' : 'KILL';
9b7a5066
CB
1479 my $cmd = _create_runperl( prog => "sleep($timeout);" .
1480 "warn qq/# $timeout_msg" . '\n/;' .
c1c45e36 1481 "kill($sig, $pid_to_kill);");
9b7a5066 1482 $watchdog = system(1, $cmd);
5fe9b82b
JH
1483 };
1484 if ($@ || ($watchdog <= 0)) {
1485 _diag('Failed to start watchdog');
1486 _diag($@) if $@;
1487 undef($watchdog);
1488 return;
1489 }
087986a7 1490
5fe9b82b
JH
1491 # Add END block to parent to terminate and
1492 # clean up watchdog process
7e1027b9
JH
1493 eval "END { local \$! = 0; local \$? = 0;
1494 wait() if kill('KILL', $watchdog); };";
5fe9b82b 1495 return;
087986a7 1496 }
087986a7 1497
5fe9b82b
JH
1498 # Try using fork() to generate a watchdog process
1499 my $watchdog;
1500 eval { $watchdog = fork() };
1501 if (defined($watchdog)) {
1502 if ($watchdog) { # Parent process
1503 # Add END block to parent to terminate and
1504 # clean up watchdog process
7e1027b9
JH
1505 eval "END { local \$! = 0; local \$? = 0;
1506 wait() if kill('KILL', $watchdog); };";
5fe9b82b
JH
1507 return;
1508 }
1509
1510 ### Watchdog process code
087986a7 1511
5fe9b82b
JH
1512 # Load POSIX if available
1513 eval { require POSIX; };
087986a7 1514
5fe9b82b
JH
1515 # Execute the timeout
1516 sleep($timeout - 2) if ($timeout > 2); # Workaround for perlbug #49073
1517 sleep(2);
087986a7 1518
5fe9b82b
JH
1519 # Kill test process if still running
1520 if (kill(0, $pid_to_kill)) {
1521 _diag($timeout_msg);
1522 kill('KILL', $pid_to_kill);
1a34b28b
TC
1523 if ($is_cygwin) {
1524 # sometimes the above isn't enough on cygwin
1525 sleep 1; # wait a little, it might have worked after all
1526 system("/bin/kill -f $pid_to_kill");
1527 }
5fe9b82b 1528 }
087986a7 1529
5fe9b82b
JH
1530 # Don't execute END block (added at beginning of this file)
1531 $NO_ENDING = 1;
087986a7 1532
5fe9b82b
JH
1533 # Terminate ourself (i.e., the watchdog)
1534 POSIX::_exit(1) if (defined(&POSIX::_exit));
1535 exit(1);
087986a7
JH
1536 }
1537
5fe9b82b 1538 # fork() failed - fall through and try using a thread
087986a7
JH
1539 }
1540
5fe9b82b
JH
1541 # Use a watchdog thread because either 'threads' is loaded,
1542 # or fork() failed
cb01154c 1543 if (eval {require threads; 1}) {
b296285b 1544 'threads'->create(sub {
087986a7
JH
1545 # Load POSIX if available
1546 eval { require POSIX; };
1547
1548 # Execute the timeout
c1c45e36 1549 my $time_left = $timeout;
a6c9a815 1550 do {
11ea18f2 1551 $time_left = $time_left - sleep($time_left);
a6c9a815 1552 } while ($time_left > 0);
087986a7
JH
1553
1554 # Kill the parent (and ourself)
5fe9b82b 1555 select(STDERR); $| = 1;
087986a7
JH
1556 _diag($timeout_msg);
1557 POSIX::_exit(1) if (defined(&POSIX::_exit));
4b0f0df6 1558 my $sig = $is_vms ? 'TERM' : 'KILL';
c1c45e36 1559 kill($sig, $pid_to_kill);
087986a7
JH
1560 })->detach();
1561 return;
1562 }
1563
5fe9b82b 1564 # If everything above fails, then just use an alarm timeout
5732108f 1565WATCHDOG_VIA_ALARM:
087986a7
JH
1566 if (eval { alarm($timeout); 1; }) {
1567 # Load POSIX if available
1568 eval { require POSIX; };
1569
1570 # Alarm handler will do the actual 'killing'
1571 $SIG{'ALRM'} = sub {
5fe9b82b 1572 select(STDERR); $| = 1;
087986a7
JH
1573 _diag($timeout_msg);
1574 POSIX::_exit(1) if (defined(&POSIX::_exit));
4b0f0df6 1575 my $sig = $is_vms ? 'TERM' : 'KILL';
c1c45e36 1576 kill($sig, $pid_to_kill);
087986a7
JH
1577 };
1578 }
1579}
1580
f69d9fdf
KW
1581my $cp_0037 = # EBCDIC code page 0037
1582 '\x00\x01\x02\x03\x37\x2D\x2E\x2F\x16\x05\x25\x0B\x0C\x0D\x0E\x0F' .
1583 '\x10\x11\x12\x13\x3C\x3D\x32\x26\x18\x19\x3F\x27\x1C\x1D\x1E\x1F' .
1584 '\x40\x5A\x7F\x7B\x5B\x6C\x50\x7D\x4D\x5D\x5C\x4E\x6B\x60\x4B\x61' .
1585 '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\x7A\x5E\x4C\x7E\x6E\x6F' .
1586 '\x7C\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xD1\xD2\xD3\xD4\xD5\xD6' .
1587 '\xD7\xD8\xD9\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xBA\xE0\xBB\xB0\x6D' .
1588 '\x79\x81\x82\x83\x84\x85\x86\x87\x88\x89\x91\x92\x93\x94\x95\x96' .
1589 '\x97\x98\x99\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xC0\x4F\xD0\xA1\x07' .
1590 '\x20\x21\x22\x23\x24\x15\x06\x17\x28\x29\x2A\x2B\x2C\x09\x0A\x1B' .
1591 '\x30\x31\x1A\x33\x34\x35\x36\x08\x38\x39\x3A\x3B\x04\x14\x3E\xFF' .
1592 '\x41\xAA\x4A\xB1\x9F\xB2\x6A\xB5\xBD\xB4\x9A\x8A\x5F\xCA\xAF\xBC' .
1593 '\x90\x8F\xEA\xFA\xBE\xA0\xB6\xB3\x9D\xDA\x9B\x8B\xB7\xB8\xB9\xAB' .
1594 '\x64\x65\x62\x66\x63\x67\x9E\x68\x74\x71\x72\x73\x78\x75\x76\x77' .
1595 '\xAC\x69\xED\xEE\xEB\xEF\xEC\xBF\x80\xFD\xFE\xFB\xFC\xAD\xAE\x59' .
1596 '\x44\x45\x42\x46\x43\x47\x9C\x48\x54\x51\x52\x53\x58\x55\x56\x57' .
1597 '\x8C\x49\xCD\xCE\xCB\xCF\xCC\xE1\x70\xDD\xDE\xDB\xDC\x8D\x8E\xDF';
1598
1599my $cp_1047 = # EBCDIC code page 1047
1600 '\x00\x01\x02\x03\x37\x2D\x2E\x2F\x16\x05\x15\x0B\x0C\x0D\x0E\x0F' .
1601 '\x10\x11\x12\x13\x3C\x3D\x32\x26\x18\x19\x3F\x27\x1C\x1D\x1E\x1F' .
1602 '\x40\x5A\x7F\x7B\x5B\x6C\x50\x7D\x4D\x5D\x5C\x4E\x6B\x60\x4B\x61' .
1603 '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\x7A\x5E\x4C\x7E\x6E\x6F' .
1604 '\x7C\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xD1\xD2\xD3\xD4\xD5\xD6' .
1605 '\xD7\xD8\xD9\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xAD\xE0\xBD\x5F\x6D' .
1606 '\x79\x81\x82\x83\x84\x85\x86\x87\x88\x89\x91\x92\x93\x94\x95\x96' .
1607 '\x97\x98\x99\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xC0\x4F\xD0\xA1\x07' .
1608 '\x20\x21\x22\x23\x24\x25\x06\x17\x28\x29\x2A\x2B\x2C\x09\x0A\x1B' .
1609 '\x30\x31\x1A\x33\x34\x35\x36\x08\x38\x39\x3A\x3B\x04\x14\x3E\xFF' .
1610 '\x41\xAA\x4A\xB1\x9F\xB2\x6A\xB5\xBB\xB4\x9A\x8A\xB0\xCA\xAF\xBC' .
1611 '\x90\x8F\xEA\xFA\xBE\xA0\xB6\xB3\x9D\xDA\x9B\x8B\xB7\xB8\xB9\xAB' .
1612 '\x64\x65\x62\x66\x63\x67\x9E\x68\x74\x71\x72\x73\x78\x75\x76\x77' .
1613 '\xAC\x69\xED\xEE\xEB\xEF\xEC\xBF\x80\xFD\xFE\xFB\xFC\xBA\xAE\x59' .
1614 '\x44\x45\x42\x46\x43\x47\x9C\x48\x54\x51\x52\x53\x58\x55\x56\x57' .
1615 '\x8C\x49\xCD\xCE\xCB\xCF\xCC\xE1\x70\xDD\xDE\xDB\xDC\x8D\x8E\xDF';
1616
1617my $cp_bc = # EBCDIC code page POSiX-BC
1618 '\x00\x01\x02\x03\x37\x2D\x2E\x2F\x16\x05\x15\x0B\x0C\x0D\x0E\x0F' .
1619 '\x10\x11\x12\x13\x3C\x3D\x32\x26\x18\x19\x3F\x27\x1C\x1D\x1E\x1F' .
1620 '\x40\x5A\x7F\x7B\x5B\x6C\x50\x7D\x4D\x5D\x5C\x4E\x6B\x60\x4B\x61' .
1621 '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\x7A\x5E\x4C\x7E\x6E\x6F' .
1622 '\x7C\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xD1\xD2\xD3\xD4\xD5\xD6' .
1623 '\xD7\xD8\xD9\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xBB\xBC\xBD\x6A\x6D' .
1624 '\x4A\x81\x82\x83\x84\x85\x86\x87\x88\x89\x91\x92\x93\x94\x95\x96' .
1625 '\x97\x98\x99\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xFB\x4F\xFD\xFF\x07' .
1626 '\x20\x21\x22\x23\x24\x25\x06\x17\x28\x29\x2A\x2B\x2C\x09\x0A\x1B' .
1627 '\x30\x31\x1A\x33\x34\x35\x36\x08\x38\x39\x3A\x3B\x04\x14\x3E\x5F' .
1628 '\x41\xAA\xB0\xB1\x9F\xB2\xD0\xB5\x79\xB4\x9A\x8A\xBA\xCA\xAF\xA1' .
1629 '\x90\x8F\xEA\xFA\xBE\xA0\xB6\xB3\x9D\xDA\x9B\x8B\xB7\xB8\xB9\xAB' .
1630 '\x64\x65\x62\x66\x63\x67\x9E\x68\x74\x71\x72\x73\x78\x75\x76\x77' .
1631 '\xAC\x69\xED\xEE\xEB\xEF\xEC\xBF\x80\xE0\xFE\xDD\xFC\xAD\xAE\x59' .
1632 '\x44\x45\x42\x46\x43\x47\x9C\x48\x54\x51\x52\x53\x58\x55\x56\x57' .
1633 '\x8C\x49\xCD\xCE\xCB\xCF\xCC\xE1\x70\xC0\xDE\xDB\xDC\x8D\x8E\xDF';
1634
1635my $straight = # Avoid ranges
1636 '\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F' .
1637 '\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F' .
1638 '\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2A\x2B\x2C\x2D\x2E\x2F' .
1639 '\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3A\x3B\x3C\x3D\x3E\x3F' .
1640 '\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4A\x4B\x4C\x4D\x4E\x4F' .
1641 '\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5A\x5B\x5C\x5D\x5E\x5F' .
1642 '\x60\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6A\x6B\x6C\x6D\x6E\x6F' .
1643 '\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7A\x7B\x7C\x7D\x7E\x7F' .
1644 '\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F' .
1645 '\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9A\x9B\x9C\x9D\x9E\x9F' .
1646 '\xA0\xA1\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xAA\xAB\xAC\xAD\xAE\xAF' .
1647 '\xB0\xB1\xB2\xB3\xB4\xB5\xB6\xB7\xB8\xB9\xBA\xBB\xBC\xBD\xBE\xBF' .
1648 '\xC0\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xCA\xCB\xCC\xCD\xCE\xCF' .
1649 '\xD0\xD1\xD2\xD3\xD4\xD5\xD6\xD7\xD8\xD9\xDA\xDB\xDC\xDD\xDE\xDF' .
1650 '\xE0\xE1\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xEA\xEB\xEC\xED\xEE\xEF' .
1651 '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\xFA\xFB\xFC\xFD\xFE\xFF';
1652
1653# The following 2 functions allow tests to work on both EBCDIC and
1654# ASCII-ish platforms. They convert string scalars between the native
1655# character set and the set of 256 characters which is usually called
1656# Latin1.
1657#
1658# These routines don't work on UTF-EBCDIC and UTF-8.
1659
1660sub native_to_latin1($) {
1661 my $string = shift;
1662
1663 return $string if ord('^') == 94; # ASCII, Latin1
1664 my $cp;
1665 if (ord('^') == 95) { # EBCDIC 1047
1666 $cp = \$cp_1047;
1667 }
1668 elsif (ord('^') == 106) { # EBCDIC POSIX-BC
1669 $cp = \$cp_bc;
1670 }
1671 elsif (ord('^') == 176) { # EBCDIC 037 */
1672 $cp = \$cp_0037;
1673 }
1674 else {
1675 die "Unknown native character set";
1676 }
1677
1678 eval '$string =~ tr/' . $$cp . '/' . $straight . '/';
1679 return $string;
1680}
1681
1682sub latin1_to_native($) {
1683 my $string = shift;
1684
1685 return $string if ord('^') == 94; # ASCII, Latin1
1686 my $cp;
1687 if (ord('^') == 95) { # EBCDIC 1047
1688 $cp = \$cp_1047;
1689 }
1690 elsif (ord('^') == 106) { # EBCDIC POSIX-BC
1691 $cp = \$cp_bc;
1692 }
1693 elsif (ord('^') == 176) { # EBCDIC 037 */
1694 $cp = \$cp_0037;
1695 }
1696 else {
1697 die "Unknown native character set";
1698 }
1699
1700 eval '$string =~ tr/' . $straight . '/' . $$cp . '/';
1701 return $string;
1702}
1703
883cce4a 1704sub ord_latin1_to_native {
ec0363d9
KW
1705 # given an input code point, return the platform's native
1706 # equivalent value. Anything above latin1 is itself.
883cce4a 1707
ec0363d9
KW
1708 my $ord = shift;
1709 return $ord if $ord > 255;
1710 return ord latin1_to_native(chr $ord);
883cce4a
KW
1711}
1712
1713sub ord_native_to_latin1 {
ec0363d9
KW
1714 # given an input platform code point, return the latin1 equivalent value.
1715 # Anything above latin1 is itself.
883cce4a 1716
ec0363d9
KW
1717 my $ord = shift;
1718 return $ord if $ord > 255;
1719 return ord native_to_latin1(chr $ord);
883cce4a
KW
1720}
1721
69026470 17221;