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Re: [PATCH] provide diag() and don't use ++ in test.pl
[perl5.git] / t / test.pl
CommitLineData
69026470
JH
1#
2# t/test.pl - most of Test::More functionality without the fuss
485f531e
DL
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';
69026470 11#
485f531e
DL
12# stands more chance of breaking than just a simple
13#
14# $x = $x + 1
15#
16# In this file, we use the latter "Baby Perl" approach, and increment
17# will be worked over by t/op/inc.t
69026470 18
dcc7f481 19$Level = 1;
69026470
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20my $test = 1;
21my $planned;
6137113d 22my $noplan;
69026470 23
7d932aad 24$TODO = 0;
b6345914 25$NO_ENDING = 0;
7d932aad 26
69026470
JH
27sub plan {
28 my $n;
29 if (@_ == 1) {
30 $n = shift;
6137113d
NC
31 if ($n eq 'no_plan') {
32 undef $n;
33 $noplan = 1;
34 }
69026470
JH
35 } else {
36 my %plan = @_;
8210c8d3 37 $n = $plan{tests};
69026470 38 }
6137113d 39 print STDOUT "1..$n\n" unless $noplan;
69026470
JH
40 $planned = $n;
41}
42
43END {
44 my $ran = $test - 1;
6137113d
NC
45 if (!$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..$ran\n";
51 }
69026470
JH
52 }
53}
54
8210c8d3 55# Use this instead of "print STDERR" when outputing failure diagnostic
de522f7a
MS
56# messages
57sub _diag {
cf8feb78 58 return unless @_;
8210c8d3 59 my @mess = map { /^#/ ? "$_\n" : "# $_\n" }
cf8feb78 60 map { split /\n/ } @_;
de522f7a 61 my $fh = $TODO ? *STDOUT : *STDERR;
cf8feb78
MJD
62 print $fh @mess;
63
de522f7a
MS
64}
65
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DL
66sub diag {
67 _diag(@_);
68}
69
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70sub skip_all {
71 if (@_) {
195d559b 72 print STDOUT "1..0 # Skipped: @_\n";
69026470 73 } else {
ad20d923 74 print STDOUT "1..0\n";
69026470
JH
75 }
76 exit(0);
77}
78
79sub _ok {
7d932aad 80 my ($pass, $where, $name, @mess) = @_;
69026470
JH
81 # Do not try to microoptimize by factoring out the "not ".
82 # VMS will avenge.
7d932aad
MS
83 my $out;
84 if ($name) {
b734d6c9
MS
85 # escape out '#' or it will interfere with '# skip' and such
86 $name =~ s/#/\\#/g;
7d932aad 87 $out = $pass ? "ok $test - $name" : "not ok $test - $name";
69026470 88 } else {
7d932aad 89 $out = $pass ? "ok $test" : "not ok $test";
69026470 90 }
7d932aad
MS
91
92 $out .= " # TODO $TODO" if $TODO;
ad20d923 93 print STDOUT "$out\n";
7d932aad 94
69026470 95 unless ($pass) {
de522f7a 96 _diag "# Failed $where\n";
69026470 97 }
7d932aad
MS
98
99 # Ensure that the message is properly escaped.
cf8feb78 100 _diag @mess;
7d932aad 101
485f531e 102 $test = $test + 1; # don't use ++
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MS
103
104 return $pass;
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JH
105}
106
107sub _where {
dcc7f481 108 my @caller = caller($Level);
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109 return "at $caller[1] line $caller[2]";
110}
111
1d662fb6 112# DON'T use this for matches. Use like() instead.
c3029c66 113sub ok ($@) {
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MS
114 my ($pass, $name, @mess) = @_;
115 _ok($pass, _where(), $name, @mess);
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JH
116}
117
b3c72391
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118sub _q {
119 my $x = shift;
120 return 'undef' unless defined $x;
121 my $q = $x;
d279d8f8
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122 $q =~ s/\\/\\\\/g;
123 $q =~ s/'/\\'/g;
b3c72391
JH
124 return "'$q'";
125}
126
677fb045
NC
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
c3029c66 163sub is ($$@) {
7d932aad 164 my ($got, $expected, $name, @mess) = @_;
c831d34f
MS
165
166 my $pass;
167 if( !defined $got || !defined $expected ) {
168 # undef only matches undef
169 $pass = !defined $got && !defined $expected;
170 }
171 else {
172 $pass = $got eq $expected;
173 }
174
69026470 175 unless ($pass) {
b3c72391
JH
176 unshift(@mess, "# got "._q($got)."\n",
177 "# expected "._q($expected)."\n");
69026470 178 }
7d932aad 179 _ok($pass, _where(), $name, @mess);
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JH
180}
181
c3029c66 182sub isnt ($$@) {
3e90d5a3 183 my ($got, $isnt, $name, @mess) = @_;
c831d34f
MS
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
3e90d5a3 194 unless( $pass ) {
b3c72391 195 unshift(@mess, "# it should not be "._q($got)."\n",
3e90d5a3
MS
196 "# but it is.\n");
197 }
198 _ok($pass, _where(), $name, @mess);
199}
200
c3029c66 201sub cmp_ok ($$$@) {
58d76dfd
JH
202 my($got, $type, $expected, $name, @mess) = @_;
203
204 my $pass;
205 {
206 local $^W = 0;
207 local($@,$!); # don't interfere with $@
208 # eval() sometimes resets $!
209 $pass = eval "\$got $type \$expected";
210 }
211 unless ($pass) {
212 # It seems Irix long doubles can have 2147483648 and 2147483648
213 # that stringify to the same thing but are acutally numerically
214 # different. Display the numbers if $type isn't a string operator,
215 # and the numbers are stringwise the same.
216 # (all string operators have alphabetic names, so tr/a-z// is true)
217 # This will also show numbers for some uneeded cases, but will
218 # definately be helpful for things such as == and <= that fail
219 if ($got eq $expected and $type !~ tr/a-z//) {
220 unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
221 }
222 unshift(@mess, "# got "._q($got)."\n",
223 "# expected $type "._q($expected)."\n");
224 }
225 _ok($pass, _where(), $name, @mess);
226}
227
228# Check that $got is within $range of $expected
229# if $range is 0, then check it's exact
230# else if $expected is 0, then $range is an absolute value
231# otherwise $range is a fractional error.
232# Here $range must be numeric, >= 0
233# Non numeric ranges might be a useful future extension. (eg %)
c3029c66 234sub within ($$$@) {
58d76dfd
JH
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
69026470 265# Note: this isn't quite as fancy as Test::More::like().
724aa791
JC
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) = @_;
69026470 272 my $pass;
724aa791
JC
273 $pass = $got =~ /$expected/ if !$flip;
274 $pass = $got !~ /$expected/ if $flip;
275 unless ($pass) {
276 unshift(@mess, "# got '$got'\n",
277 "# expected /$expected/\n");
69026470 278 }
8fb276b8 279 local $Level = 2;
7d932aad 280 _ok($pass, _where(), $name, @mess);
69026470
JH
281}
282
283sub pass {
284 _ok(1, '', @_);
285}
286
287sub fail {
288 _ok(0, _where(), @_);
289}
290
ad20d923 291sub curr_test {
cf8feb78 292 $test = shift if @_;
ad20d923
MS
293 return $test;
294}
295
3e90d5a3 296sub next_test {
485f531e 297 $test = $test + 1; # don't use ++
3e90d5a3
MS
298}
299
69026470
JH
300# Note: can't pass multipart messages since we try to
301# be compatible with Test::More::skip().
302sub skip {
7d932aad 303 my $why = shift;
982b7cb7 304 my $n = @_ ? shift : 1;
69026470 305 for (1..$n) {
ad20d923 306 print STDOUT "ok $test # skip: $why\n";
485f531e 307 $test = $test + 1;
69026470
JH
308 }
309 local $^W = 0;
310 last SKIP;
311}
312
09f04786
MS
313sub todo_skip {
314 my $why = shift;
315 my $n = @_ ? shift : 1;
316
317 for (1..$n) {
a27e4e7f 318 print STDOUT "not ok $test # TODO & SKIP: $why\n";
485f531e 319 $test = $test + 1;
09f04786
MS
320 }
321 local $^W = 0;
322 last TODO;
323}
324
69026470
JH
325sub eq_array {
326 my ($ra, $rb) = @_;
327 return 0 unless $#$ra == $#$rb;
328 for my $i (0..$#$ra) {
8210c8d3 329 next if !defined $ra->[$i] && !defined $rb->[$i];
135d199b
DM
330 return 0 if !defined $ra->[$i];
331 return 0 if !defined $rb->[$i];
69026470
JH
332 return 0 unless $ra->[$i] eq $rb->[$i];
333 }
334 return 1;
335}
336
677fb045
NC
337sub eq_hash {
338 my ($orig, $suspect) = @_;
339 my $fail;
340 while (my ($key, $value) = each %$suspect) {
341 # Force a hash recompute if this perl's internals can cache the hash key.
342 $key = "" . $key;
343 if (exists $orig->{$key}) {
344 if ($orig->{$key} ne $value) {
de522f7a
MS
345 print STDOUT "# key ", _qq($key), " was ", _qq($orig->{$key}),
346 " now ", _qq($value), "\n";
677fb045
NC
347 $fail = 1;
348 }
349 } else {
8210c8d3 350 print STDOUT "# key ", _qq($key), " is ", _qq($value),
75385f53 351 ", not in original.\n";
677fb045
NC
352 $fail = 1;
353 }
354 }
355 foreach (keys %$orig) {
356 # Force a hash recompute if this perl's internals can cache the hash key.
357 $_ = "" . $_;
358 next if (exists $suspect->{$_});
de522f7a 359 print STDOUT "# key ", _qq($_), " was ", _qq($orig->{$_}), " now missing.\n";
677fb045
NC
360 $fail = 1;
361 }
362 !$fail;
363}
364
c3029c66 365sub require_ok ($) {
69026470
JH
366 my ($require) = @_;
367 eval <<REQUIRE_OK;
368require $require;
369REQUIRE_OK
1577bb16 370 _ok(!$@, _where(), "require $require");
69026470
JH
371}
372
c3029c66 373sub use_ok ($) {
69026470
JH
374 my ($use) = @_;
375 eval <<USE_OK;
376use $use;
377USE_OK
1577bb16 378 _ok(!$@, _where(), "use $use");
69026470
JH
379}
380
137352a2
RGS
381# runperl - Runs a separate perl interpreter.
382# Arguments :
383# switches => [ command-line switches ]
384# nolib => 1 # don't use -I../lib (included by default)
385# prog => one-liner (avoid quotes)
d83945bc 386# progs => [ multi-liner (avoid quotes) ]
137352a2
RGS
387# progfile => perl script
388# stdin => string to feed the stdin
389# stderr => redirect stderr to stdout
390# args => [ command-line arguments to the perl program ]
cb9c5e20 391# verbose => print the command line
137352a2
RGS
392
393my $is_mswin = $^O eq 'MSWin32';
394my $is_netware = $^O eq 'NetWare';
395my $is_macos = $^O eq 'MacOS';
396my $is_vms = $^O eq 'VMS';
397
cb9c5e20
JH
398sub _quote_args {
399 my ($runperl, $args) = @_;
400
401 foreach (@$args) {
402 # In VMS protect with doublequotes because otherwise
403 # DCL will lowercase -- unless already doublequoted.
ea9ac5ad 404 $_ = q(").$_.q(") if $is_vms && !/^\"/ && length($_) > 0;
cb9c5e20
JH
405 $$runperl .= ' ' . $_;
406 }
407}
408
4cd2bd1f 409sub _create_runperl { # Create the string to qx in runperl().
137352a2 410 my %args = @_;
44cb023c 411 my $runperl = $^X =~ m/\s/ ? qq{"$^X"} : $^X;
6cf707aa
RGS
412 #- this allows, for example, to set PERL_RUNPERL_DEBUG=/usr/bin/valgrind
413 if ($ENV{PERL_RUNPERL_DEBUG}) {
414 $runperl = "$ENV{PERL_RUNPERL_DEBUG} $runperl";
415 }
f93a5f07
JH
416 unless ($args{nolib}) {
417 if ($is_macos) {
cb9c5e20 418 $runperl .= ' -I::lib';
f93a5f07 419 # Use UNIX style error messages instead of MPW style.
cb9c5e20 420 $runperl .= ' -MMac::err=unix' if $args{stderr};
137352a2
RGS
421 }
422 else {
cb9c5e20 423 $runperl .= ' "-I../lib"'; # doublequotes because of VMS
137352a2
RGS
424 }
425 }
d83945bc 426 if ($args{switches}) {
343d4a7b
JH
427 local $Level = 2;
428 die "test.pl:runperl(): 'switches' must be an ARRAYREF " . _where()
429 unless ref $args{switches} eq "ARRAY";
d83945bc
A
430 _quote_args(\$runperl, $args{switches});
431 }
137352a2 432 if (defined $args{prog}) {
21820af6
JH
433 die "test.pl:runperl(): both 'prog' and 'progs' cannot be used " . _where()
434 if defined $args{progs};
d83945bc
A
435 $args{progs} = [$args{prog}]
436 }
437 if (defined $args{progs}) {
21820af6
JH
438 die "test.pl:runperl(): 'progs' must be an ARRAYREF " . _where()
439 unless ref $args{progs} eq "ARRAY";
d83945bc
A
440 foreach my $prog (@{$args{progs}}) {
441 if ($is_mswin || $is_netware || $is_vms) {
442 $runperl .= qq ( -e "$prog" );
443 }
444 else {
445 $runperl .= qq ( -e '$prog' );
446 }
447 }
137352a2
RGS
448 } elsif (defined $args{progfile}) {
449 $runperl .= qq( "$args{progfile}");
9a731dbd
NC
450 } else {
451 # You probaby didn't want to be sucking in from the upstream stdin
452 die "test.pl:runperl(): none of prog, progs, progfile, args, "
453 . " switches or stdin specified"
454 unless defined $args{args} or defined $args{switches}
455 or defined $args{stdin};
137352a2
RGS
456 }
457 if (defined $args{stdin}) {
dc459aad
JH
458 # so we don't try to put literal newlines and crs onto the
459 # command line.
460 $args{stdin} =~ s/\n/\\n/g;
461 $args{stdin} =~ s/\r/\\r/g;
5ae09a77 462
137352a2 463 if ($is_mswin || $is_netware || $is_vms) {
f93a5f07 464 $runperl = qq{$^X -e "print qq(} .
137352a2
RGS
465 $args{stdin} . q{)" | } . $runperl;
466 }
dc459aad
JH
467 elsif ($is_macos) {
468 # MacOS can only do two processes under MPW at once;
469 # the test itself is one; we can't do two more, so
470 # write to temp file
471 my $stdin = qq{$^X -e 'print qq(} . $args{stdin} . qq{)' > teststdin; };
472 if ($args{verbose}) {
473 my $stdindisplay = $stdin;
474 $stdindisplay =~ s/\n/\n\#/g;
475 print STDERR "# $stdindisplay\n";
476 }
477 `$stdin`;
478 $runperl .= q{ < teststdin };
479 }
137352a2 480 else {
f93a5f07 481 $runperl = qq{$^X -e 'print qq(} .
137352a2
RGS
482 $args{stdin} . q{)' | } . $runperl;
483 }
484 }
485 if (defined $args{args}) {
cb9c5e20
JH
486 _quote_args(\$runperl, $args{args});
487 }
488 $runperl .= ' 2>&1' if $args{stderr} && !$is_macos;
489 $runperl .= " \xB3 Dev:Null" if !$args{stderr} && $is_macos;
490 if ($args{verbose}) {
491 my $runperldisplay = $runperl;
492 $runperldisplay =~ s/\n/\n\#/g;
75385f53 493 print STDERR "# $runperldisplay\n";
137352a2 494 }
4cd2bd1f
JH
495 return $runperl;
496}
497
498sub runperl {
9a731dbd
NC
499 die "test.pl:runperl() does not take a hashref"
500 if ref $_[0] and ref $_[0] eq 'HASH';
4cd2bd1f 501 my $runperl = &_create_runperl;
613de57f
NC
502 my $result;
503
8210c8d3
MB
504 my $tainted = ${^TAINT};
505 my %args = @_;
485f531e 506 exists $args{switches} && grep m/^-T$/, @{$args{switches}} and $tainted = $tainted + 1;
8210c8d3
MB
507
508 if ($tainted) {
613de57f
NC
509 # We will assume that if you're running under -T, you really mean to
510 # run a fresh perl, so we'll brute force launder everything for you
511 my $sep;
512
513 eval "require Config; Config->import";
514 if ($@) {
515 warn "test.pl had problems loading Config: $@";
516 $sep = ':';
517 } else {
518 $sep = $Config{path_sep};
a70a1627 519 }
613de57f
NC
520
521 my @keys = grep {exists $ENV{$_}} qw(CDPATH IFS ENV BASH_ENV);
522 local @ENV{@keys} = ();
523 # Untaint, plus take out . and empty string:
524 $ENV{PATH} =~ /(.*)/s;
8210c8d3
MB
525 local $ENV{PATH} =
526 join $sep, grep { $_ ne "" and $_ ne "." and
3fdeee05 527 ($is_mswin or !(stat && (stat _)[2]&0022)) }
8210c8d3 528 split quotemeta ($sep), $1;
613de57f
NC
529
530 $runperl =~ /(.*)/s;
531 $runperl = $1;
532
533 $result = `$runperl`;
534 } else {
535 $result = `$runperl`;
a70a1627 536 }
137352a2
RGS
537 $result =~ s/\n\n/\n/ if $is_vms; # XXX pipes sometimes double these
538 return $result;
539}
540
d2c6a9c9 541*run_perl = \&runperl; # Nice alias.
8799135f 542
c4fbe247 543sub DIE {
75385f53 544 print STDERR "# @_\n";
c4fbe247 545 exit 1;
8799135f
MS
546}
547
b5fe401b 548# A somewhat safer version of the sometimes wrong $^X.
17a740d5
JH
549my $Perl;
550sub which_perl {
551 unless (defined $Perl) {
552 $Perl = $^X;
8210c8d3 553
73421c4a
CB
554 # VMS should have 'perl' aliased properly
555 return $Perl if $^O eq 'VMS';
556
17a740d5
JH
557 my $exe;
558 eval "require Config; Config->import";
85363d30 559 if ($@) {
17a740d5
JH
560 warn "test.pl had problems loading Config: $@";
561 $exe = '';
85363d30 562 } else {
17a740d5 563 $exe = $Config{_exe};
85363d30 564 }
da405c16 565 $exe = '' unless defined $exe;
8210c8d3 566
17a740d5
JH
567 # This doesn't absolutize the path: beware of future chdirs().
568 # We could do File::Spec->abs2rel() but that does getcwd()s,
569 # which is a bit heavyweight to do here.
8210c8d3 570
17a740d5 571 if ($Perl =~ /^perl\Q$exe\E$/i) {
8db06b02 572 my $perl = "perl$exe";
17a740d5
JH
573 eval "require File::Spec";
574 if ($@) {
575 warn "test.pl had problems loading File::Spec: $@";
8db06b02 576 $Perl = "./$perl";
17a740d5 577 } else {
8db06b02 578 $Perl = File::Spec->catfile(File::Spec->curdir(), $perl);
17a740d5
JH
579 }
580 }
196918b0
PG
581
582 # Build up the name of the executable file from the name of
583 # the command.
584
585 if ($Perl !~ /\Q$exe\E$/i) {
586 $Perl .= $exe;
587 }
c880be78 588
8db06b02 589 warn "which_perl: cannot find $Perl from $^X" unless -f $Perl;
8210c8d3 590
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591 # For subcommands to use.
592 $ENV{PERLEXE} = $Perl;
85363d30 593 }
17a740d5 594 return $Perl;
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595}
596
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597sub unlink_all {
598 foreach my $file (@_) {
599 1 while unlink $file;
75385f53 600 print STDERR "# Couldn't unlink '$file': $!\n" if -f $file;
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601 }
602}
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603
604
605my $tmpfile = "misctmp000";
6061 while -f ++$tmpfile;
607END { unlink_all $tmpfile }
608
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609#
610# _fresh_perl
611#
612# The $resolve must be a subref that tests the first argument
613# for success, or returns the definition of success (e.g. the
614# expected scalar) if given no arguments.
615#
616
617sub _fresh_perl {
618 my($prog, $resolve, $runperl_args, $name) = @_;
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619
620 $runperl_args ||= {};
621 $runperl_args->{progfile} = $tmpfile;
622 $runperl_args->{stderr} = 1;
623
624 open TEST, ">$tmpfile" or die "Cannot open $tmpfile: $!";
625
626 # VMS adjustments
627 if( $^O eq 'VMS' ) {
628 $prog =~ s#/dev/null#NL:#;
629
8210c8d3 630 # VMS file locking
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631 $prog =~ s{if \(-e _ and -f _ and -r _\)}
632 {if (-e _ and -f _)}
633 }
634
0d65d7d5 635 print TEST $prog;
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636 close TEST or die "Cannot close $tmpfile: $!";
637
638 my $results = runperl(%$runperl_args);
639 my $status = $?;
640
641 # Clean up the results into something a bit more predictable.
642 $results =~ s/\n+$//;
643 $results =~ s/at\s+misctmp\d+\s+line/at - line/g;
644 $results =~ s/of\s+misctmp\d+\s+aborted/of - aborted/g;
645
646 # bison says 'parse error' instead of 'syntax error',
647 # various yaccs may or may not capitalize 'syntax'.
648 $results =~ s/^(syntax|parse) error/syntax error/mig;
649
650 if ($^O eq 'VMS') {
651 # some tests will trigger VMS messages that won't be expected
652 $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
653
654 # pipes double these sometimes
655 $results =~ s/\n\n/\n/g;
656 }
657
f5cda331 658 my $pass = $resolve->($results);
eeabcb2d 659 unless ($pass) {
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660 _diag "# PROG: \n$prog\n";
661 _diag "# EXPECTED:\n", $resolve->(), "\n";
662 _diag "# GOT:\n$results\n";
663 _diag "# STATUS: $status\n";
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664 }
665
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JH
666 # Use the first line of the program as a name if none was given
667 unless( $name ) {
668 ($first_line, $name) = $prog =~ /^((.{1,50}).*)/;
669 $name .= '...' if length $first_line > length $name;
670 }
eeabcb2d 671
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JH
672 _ok($pass, _where(), "fresh_perl - $name");
673}
674
675#
141f445b 676# fresh_perl_is
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JH
677#
678# Combination of run_perl() and is().
679#
680
681sub fresh_perl_is {
682 my($prog, $expected, $runperl_args, $name) = @_;
dcc7f481 683 local $Level = 2;
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684 _fresh_perl($prog,
685 sub { @_ ? $_[0] eq $expected : $expected },
686 $runperl_args, $name);
687}
688
689#
141f445b 690# fresh_perl_like
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691#
692# Combination of run_perl() and like().
693#
694
695sub fresh_perl_like {
696 my($prog, $expected, $runperl_args, $name) = @_;
dcc7f481 697 local $Level = 2;
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698 _fresh_perl($prog,
699 sub { @_ ?
700 $_[0] =~ (ref $expected ? $expected : /$expected/) :
701 $expected },
702 $runperl_args, $name);
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703}
704
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705sub can_ok ($@) {
706 my($proto, @methods) = @_;
707 my $class = ref $proto || $proto;
708
709 unless( @methods ) {
710 return _ok( 0, _where(), "$class->can(...)" );
711 }
712
713 my @nok = ();
714 foreach my $method (@methods) {
715 local($!, $@); # don't interfere with caller's $@
716 # eval sometimes resets $!
717 eval { $proto->can($method) } || push @nok, $method;
718 }
719
720 my $name;
8210c8d3 721 $name = @methods == 1 ? "$class->can('$methods[0]')"
35a60386 722 : "$class->can(...)";
8210c8d3 723
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RGS
724 _ok( !@nok, _where(), $name );
725}
726
727sub isa_ok ($$;$) {
728 my($object, $class, $obj_name) = @_;
729
730 my $diag;
731 $obj_name = 'The object' unless defined $obj_name;
732 my $name = "$obj_name isa $class";
733 if( !defined $object ) {
734 $diag = "$obj_name isn't defined";
735 }
736 elsif( !ref $object ) {
737 $diag = "$obj_name isn't a reference";
738 }
739 else {
740 # We can't use UNIVERSAL::isa because we want to honor isa() overrides
741 local($@, $!); # eval sometimes resets $!
742 my $rslt = eval { $object->isa($class) };
743 if( $@ ) {
744 if( $@ =~ /^Can't call method "isa" on unblessed reference/ ) {
745 if( !UNIVERSAL::isa($object, $class) ) {
746 my $ref = ref $object;
747 $diag = "$obj_name isn't a '$class' it's a '$ref'";
748 }
749 } else {
750 die <<WHOA;
751WHOA! I tried to call ->isa on your object and got some weird error.
752This should never happen. Please contact the author immediately.
753Here's the error.
754$@
755WHOA
756 }
757 }
758 elsif( !$rslt ) {
759 my $ref = ref $object;
760 $diag = "$obj_name isn't a '$class' it's a '$ref'";
761 }
762 }
763
764 _ok( !$diag, _where(), $name );
765}
766
69026470 7671;