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fix occasional op/time.t failure
[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;
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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;
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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 $fh @mess;
63
de522f7a
MS
64}
65
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DL
66sub diag {
67 _diag(@_);
68}
69
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70sub skip_all {
71 if (@_) {
195d559b 72 print STDOUT "1..0 # Skipped: @_\n";
69026470 73 } else {
ad20d923 74 print STDOUT "1..0\n";
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JH
75 }
76 exit(0);
77}
78
79sub _ok {
7d932aad 80 my ($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 $pass;
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105}
106
107sub _where {
dcc7f481 108 my @caller = caller($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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116}
117
b3c72391
JH
118sub _q {
119 my $x = shift;
120 return 'undef' unless defined $x;
121 my $q = $x;
d279d8f8
NC
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 ($$@) {
7d932aad 164 my ($got, $expected, $name, @mess) = @_;
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MS
165
166 my $pass;
167 if( !defined $got || !defined $expected ) {
168 # undef only matches undef
169 $pass = !defined $got && !defined $expected;
170 }
171 else {
172 $pass = $got eq $expected;
173 }
174
69026470 175 unless ($pass) {
b3c72391
JH
176 unshift(@mess, "# got "._q($got)."\n",
177 "# expected "._q($expected)."\n");
69026470 178 }
7d932aad 179 _ok($pass, _where(), $name, @mess);
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180}
181
c3029c66 182sub isnt ($$@) {
3e90d5a3 183 my ($got, $isnt, $name, @mess) = @_;
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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 ($$$@) {
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JH
202 my($got, $type, $expected, $name, @mess) = @_;
203
204 my $pass;
205 {
206 local $^W = 0;
207 local($@,$!); # don't interfere with $@
208 # eval() sometimes resets $!
209 $pass = eval "\$got $type \$expected";
210 }
211 unless ($pass) {
212 # It seems Irix long doubles can have 2147483648 and 2147483648
213 # that stringify to the same thing but are acutally numerically
214 # different. Display the numbers if $type isn't a string operator,
215 # and the numbers are stringwise the same.
216 # (all string operators have alphabetic names, so tr/a-z// is true)
217 # This will also show numbers for some uneeded cases, but will
218 # definately be helpful for things such as == and <= that fail
219 if ($got eq $expected and $type !~ tr/a-z//) {
220 unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
221 }
222 unshift(@mess, "# got "._q($got)."\n",
223 "# expected $type "._q($expected)."\n");
224 }
225 _ok($pass, _where(), $name, @mess);
226}
227
228# Check that $got is within $range of $expected
229# if $range is 0, then check it's exact
230# else if $expected is 0, then $range is an absolute value
231# otherwise $range is a fractional error.
232# Here $range must be numeric, >= 0
233# Non numeric ranges might be a useful future extension. (eg %)
c3029c66 234sub within ($$$@) {
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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 {
178eff92 297 my $retval = $test;
485f531e 298 $test = $test + 1; # don't use ++
178eff92 299 $retval;
3e90d5a3
MS
300}
301
69026470
JH
302# Note: can't pass multipart messages since we try to
303# be compatible with Test::More::skip().
304sub skip {
7d932aad 305 my $why = shift;
982b7cb7 306 my $n = @_ ? shift : 1;
69026470 307 for (1..$n) {
ad20d923 308 print STDOUT "ok $test # skip: $why\n";
485f531e 309 $test = $test + 1;
69026470
JH
310 }
311 local $^W = 0;
312 last SKIP;
313}
314
09f04786
MS
315sub todo_skip {
316 my $why = shift;
317 my $n = @_ ? shift : 1;
318
319 for (1..$n) {
a27e4e7f 320 print STDOUT "not ok $test # TODO & SKIP: $why\n";
485f531e 321 $test = $test + 1;
09f04786
MS
322 }
323 local $^W = 0;
324 last TODO;
325}
326
69026470
JH
327sub eq_array {
328 my ($ra, $rb) = @_;
329 return 0 unless $#$ra == $#$rb;
330 for my $i (0..$#$ra) {
8210c8d3 331 next if !defined $ra->[$i] && !defined $rb->[$i];
135d199b
DM
332 return 0 if !defined $ra->[$i];
333 return 0 if !defined $rb->[$i];
69026470
JH
334 return 0 unless $ra->[$i] eq $rb->[$i];
335 }
336 return 1;
337}
338
677fb045
NC
339sub eq_hash {
340 my ($orig, $suspect) = @_;
341 my $fail;
342 while (my ($key, $value) = each %$suspect) {
343 # Force a hash recompute if this perl's internals can cache the hash key.
344 $key = "" . $key;
345 if (exists $orig->{$key}) {
346 if ($orig->{$key} ne $value) {
de522f7a
MS
347 print STDOUT "# key ", _qq($key), " was ", _qq($orig->{$key}),
348 " now ", _qq($value), "\n";
677fb045
NC
349 $fail = 1;
350 }
351 } else {
8210c8d3 352 print STDOUT "# key ", _qq($key), " is ", _qq($value),
75385f53 353 ", not in original.\n";
677fb045
NC
354 $fail = 1;
355 }
356 }
357 foreach (keys %$orig) {
358 # Force a hash recompute if this perl's internals can cache the hash key.
359 $_ = "" . $_;
360 next if (exists $suspect->{$_});
de522f7a 361 print STDOUT "# key ", _qq($_), " was ", _qq($orig->{$_}), " now missing.\n";
677fb045
NC
362 $fail = 1;
363 }
364 !$fail;
365}
366
c3029c66 367sub require_ok ($) {
69026470
JH
368 my ($require) = @_;
369 eval <<REQUIRE_OK;
370require $require;
371REQUIRE_OK
1577bb16 372 _ok(!$@, _where(), "require $require");
69026470
JH
373}
374
c3029c66 375sub use_ok ($) {
69026470
JH
376 my ($use) = @_;
377 eval <<USE_OK;
378use $use;
379USE_OK
1577bb16 380 _ok(!$@, _where(), "use $use");
69026470
JH
381}
382
137352a2
RGS
383# runperl - Runs a separate perl interpreter.
384# Arguments :
385# switches => [ command-line switches ]
386# nolib => 1 # don't use -I../lib (included by default)
387# prog => one-liner (avoid quotes)
d83945bc 388# progs => [ multi-liner (avoid quotes) ]
137352a2
RGS
389# progfile => perl script
390# stdin => string to feed the stdin
391# stderr => redirect stderr to stdout
392# args => [ command-line arguments to the perl program ]
cb9c5e20 393# verbose => print the command line
137352a2
RGS
394
395my $is_mswin = $^O eq 'MSWin32';
396my $is_netware = $^O eq 'NetWare';
397my $is_macos = $^O eq 'MacOS';
398my $is_vms = $^O eq 'VMS';
399
cb9c5e20
JH
400sub _quote_args {
401 my ($runperl, $args) = @_;
402
403 foreach (@$args) {
404 # In VMS protect with doublequotes because otherwise
405 # DCL will lowercase -- unless already doublequoted.
ea9ac5ad 406 $_ = q(").$_.q(") if $is_vms && !/^\"/ && length($_) > 0;
cb9c5e20
JH
407 $$runperl .= ' ' . $_;
408 }
409}
410
4cd2bd1f 411sub _create_runperl { # Create the string to qx in runperl().
137352a2 412 my %args = @_;
44cb023c 413 my $runperl = $^X =~ m/\s/ ? qq{"$^X"} : $^X;
6cf707aa
RGS
414 #- this allows, for example, to set PERL_RUNPERL_DEBUG=/usr/bin/valgrind
415 if ($ENV{PERL_RUNPERL_DEBUG}) {
416 $runperl = "$ENV{PERL_RUNPERL_DEBUG} $runperl";
417 }
f93a5f07
JH
418 unless ($args{nolib}) {
419 if ($is_macos) {
cb9c5e20 420 $runperl .= ' -I::lib';
f93a5f07 421 # Use UNIX style error messages instead of MPW style.
cb9c5e20 422 $runperl .= ' -MMac::err=unix' if $args{stderr};
137352a2
RGS
423 }
424 else {
cb9c5e20 425 $runperl .= ' "-I../lib"'; # doublequotes because of VMS
137352a2
RGS
426 }
427 }
d83945bc 428 if ($args{switches}) {
343d4a7b
JH
429 local $Level = 2;
430 die "test.pl:runperl(): 'switches' must be an ARRAYREF " . _where()
431 unless ref $args{switches} eq "ARRAY";
d83945bc
A
432 _quote_args(\$runperl, $args{switches});
433 }
137352a2 434 if (defined $args{prog}) {
21820af6
JH
435 die "test.pl:runperl(): both 'prog' and 'progs' cannot be used " . _where()
436 if defined $args{progs};
d83945bc
A
437 $args{progs} = [$args{prog}]
438 }
439 if (defined $args{progs}) {
21820af6
JH
440 die "test.pl:runperl(): 'progs' must be an ARRAYREF " . _where()
441 unless ref $args{progs} eq "ARRAY";
d83945bc
A
442 foreach my $prog (@{$args{progs}}) {
443 if ($is_mswin || $is_netware || $is_vms) {
444 $runperl .= qq ( -e "$prog" );
445 }
446 else {
447 $runperl .= qq ( -e '$prog' );
448 }
449 }
137352a2
RGS
450 } elsif (defined $args{progfile}) {
451 $runperl .= qq( "$args{progfile}");
9a731dbd
NC
452 } else {
453 # You probaby didn't want to be sucking in from the upstream stdin
454 die "test.pl:runperl(): none of prog, progs, progfile, args, "
455 . " switches or stdin specified"
456 unless defined $args{args} or defined $args{switches}
457 or defined $args{stdin};
137352a2
RGS
458 }
459 if (defined $args{stdin}) {
dc459aad
JH
460 # so we don't try to put literal newlines and crs onto the
461 # command line.
462 $args{stdin} =~ s/\n/\\n/g;
463 $args{stdin} =~ s/\r/\\r/g;
5ae09a77 464
137352a2 465 if ($is_mswin || $is_netware || $is_vms) {
f93a5f07 466 $runperl = qq{$^X -e "print qq(} .
137352a2
RGS
467 $args{stdin} . q{)" | } . $runperl;
468 }
dc459aad
JH
469 elsif ($is_macos) {
470 # MacOS can only do two processes under MPW at once;
471 # the test itself is one; we can't do two more, so
472 # write to temp file
473 my $stdin = qq{$^X -e 'print qq(} . $args{stdin} . qq{)' > teststdin; };
474 if ($args{verbose}) {
475 my $stdindisplay = $stdin;
476 $stdindisplay =~ s/\n/\n\#/g;
477 print STDERR "# $stdindisplay\n";
478 }
479 `$stdin`;
480 $runperl .= q{ < teststdin };
481 }
137352a2 482 else {
f93a5f07 483 $runperl = qq{$^X -e 'print qq(} .
137352a2
RGS
484 $args{stdin} . q{)' | } . $runperl;
485 }
486 }
487 if (defined $args{args}) {
cb9c5e20
JH
488 _quote_args(\$runperl, $args{args});
489 }
490 $runperl .= ' 2>&1' if $args{stderr} && !$is_macos;
491 $runperl .= " \xB3 Dev:Null" if !$args{stderr} && $is_macos;
492 if ($args{verbose}) {
493 my $runperldisplay = $runperl;
494 $runperldisplay =~ s/\n/\n\#/g;
75385f53 495 print STDERR "# $runperldisplay\n";
137352a2 496 }
4cd2bd1f
JH
497 return $runperl;
498}
499
500sub runperl {
9a731dbd
NC
501 die "test.pl:runperl() does not take a hashref"
502 if ref $_[0] and ref $_[0] eq 'HASH';
4cd2bd1f 503 my $runperl = &_create_runperl;
613de57f
NC
504 my $result;
505
8210c8d3
MB
506 my $tainted = ${^TAINT};
507 my %args = @_;
485f531e 508 exists $args{switches} && grep m/^-T$/, @{$args{switches}} and $tainted = $tainted + 1;
8210c8d3
MB
509
510 if ($tainted) {
613de57f
NC
511 # We will assume that if you're running under -T, you really mean to
512 # run a fresh perl, so we'll brute force launder everything for you
513 my $sep;
514
515 eval "require Config; Config->import";
516 if ($@) {
517 warn "test.pl had problems loading Config: $@";
518 $sep = ':';
519 } else {
520 $sep = $Config{path_sep};
a70a1627 521 }
613de57f
NC
522
523 my @keys = grep {exists $ENV{$_}} qw(CDPATH IFS ENV BASH_ENV);
524 local @ENV{@keys} = ();
525 # Untaint, plus take out . and empty string:
326b5008 526 local $ENV{'DCL$PATH'} = $1 if $is_vms && ($ENV{'DCL$PATH'} =~ /(.*)/s);
613de57f 527 $ENV{PATH} =~ /(.*)/s;
8210c8d3
MB
528 local $ENV{PATH} =
529 join $sep, grep { $_ ne "" and $_ ne "." and
326b5008 530 ($is_mswin or $is_vms or !(stat && (stat _)[2]&0022)) }
8210c8d3 531 split quotemeta ($sep), $1;
613de57f
NC
532
533 $runperl =~ /(.*)/s;
534 $runperl = $1;
535
536 $result = `$runperl`;
537 } else {
538 $result = `$runperl`;
a70a1627 539 }
137352a2
RGS
540 $result =~ s/\n\n/\n/ if $is_vms; # XXX pipes sometimes double these
541 return $result;
542}
543
d2c6a9c9 544*run_perl = \&runperl; # Nice alias.
8799135f 545
c4fbe247 546sub DIE {
75385f53 547 print STDERR "# @_\n";
c4fbe247 548 exit 1;
8799135f
MS
549}
550
b5fe401b 551# A somewhat safer version of the sometimes wrong $^X.
17a740d5
JH
552my $Perl;
553sub which_perl {
554 unless (defined $Perl) {
555 $Perl = $^X;
8210c8d3 556
73421c4a
CB
557 # VMS should have 'perl' aliased properly
558 return $Perl if $^O eq 'VMS';
559
17a740d5
JH
560 my $exe;
561 eval "require Config; Config->import";
85363d30 562 if ($@) {
17a740d5
JH
563 warn "test.pl had problems loading Config: $@";
564 $exe = '';
85363d30 565 } else {
17a740d5 566 $exe = $Config{_exe};
85363d30 567 }
da405c16 568 $exe = '' unless defined $exe;
8210c8d3 569
17a740d5
JH
570 # This doesn't absolutize the path: beware of future chdirs().
571 # We could do File::Spec->abs2rel() but that does getcwd()s,
572 # which is a bit heavyweight to do here.
8210c8d3 573
17a740d5 574 if ($Perl =~ /^perl\Q$exe\E$/i) {
8db06b02 575 my $perl = "perl$exe";
17a740d5
JH
576 eval "require File::Spec";
577 if ($@) {
578 warn "test.pl had problems loading File::Spec: $@";
8db06b02 579 $Perl = "./$perl";
17a740d5 580 } else {
8db06b02 581 $Perl = File::Spec->catfile(File::Spec->curdir(), $perl);
17a740d5
JH
582 }
583 }
196918b0
PG
584
585 # Build up the name of the executable file from the name of
586 # the command.
587
588 if ($Perl !~ /\Q$exe\E$/i) {
589 $Perl .= $exe;
590 }
c880be78 591
8db06b02 592 warn "which_perl: cannot find $Perl from $^X" unless -f $Perl;
8210c8d3 593
17a740d5
JH
594 # For subcommands to use.
595 $ENV{PERLEXE} = $Perl;
85363d30 596 }
17a740d5 597 return $Perl;
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MS
598}
599
435e7af6
NC
600sub unlink_all {
601 foreach my $file (@_) {
602 1 while unlink $file;
75385f53 603 print STDERR "# Couldn't unlink '$file': $!\n" if -f $file;
435e7af6
NC
604 }
605}
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606
607
608my $tmpfile = "misctmp000";
6091 while -f ++$tmpfile;
610END { unlink_all $tmpfile }
611
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JH
612#
613# _fresh_perl
614#
615# The $resolve must be a subref that tests the first argument
616# for success, or returns the definition of success (e.g. the
617# expected scalar) if given no arguments.
618#
619
620sub _fresh_perl {
621 my($prog, $resolve, $runperl_args, $name) = @_;
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622
623 $runperl_args ||= {};
624 $runperl_args->{progfile} = $tmpfile;
625 $runperl_args->{stderr} = 1;
626
627 open TEST, ">$tmpfile" or die "Cannot open $tmpfile: $!";
628
629 # VMS adjustments
630 if( $^O eq 'VMS' ) {
631 $prog =~ s#/dev/null#NL:#;
632
8210c8d3 633 # VMS file locking
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634 $prog =~ s{if \(-e _ and -f _ and -r _\)}
635 {if (-e _ and -f _)}
636 }
637
0d65d7d5 638 print TEST $prog;
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639 close TEST or die "Cannot close $tmpfile: $!";
640
641 my $results = runperl(%$runperl_args);
642 my $status = $?;
643
644 # Clean up the results into something a bit more predictable.
645 $results =~ s/\n+$//;
646 $results =~ s/at\s+misctmp\d+\s+line/at - line/g;
647 $results =~ s/of\s+misctmp\d+\s+aborted/of - aborted/g;
648
649 # bison says 'parse error' instead of 'syntax error',
650 # various yaccs may or may not capitalize 'syntax'.
651 $results =~ s/^(syntax|parse) error/syntax error/mig;
652
653 if ($^O eq 'VMS') {
654 # some tests will trigger VMS messages that won't be expected
655 $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
656
657 # pipes double these sometimes
658 $results =~ s/\n\n/\n/g;
659 }
660
f5cda331 661 my $pass = $resolve->($results);
eeabcb2d 662 unless ($pass) {
cf8feb78
MJD
663 _diag "# PROG: \n$prog\n";
664 _diag "# EXPECTED:\n", $resolve->(), "\n";
665 _diag "# GOT:\n$results\n";
666 _diag "# STATUS: $status\n";
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MS
667 }
668
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JH
669 # Use the first line of the program as a name if none was given
670 unless( $name ) {
671 ($first_line, $name) = $prog =~ /^((.{1,50}).*)/;
672 $name .= '...' if length $first_line > length $name;
673 }
eeabcb2d 674
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JH
675 _ok($pass, _where(), "fresh_perl - $name");
676}
677
678#
141f445b 679# fresh_perl_is
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JH
680#
681# Combination of run_perl() and is().
682#
683
684sub fresh_perl_is {
685 my($prog, $expected, $runperl_args, $name) = @_;
dcc7f481 686 local $Level = 2;
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JH
687 _fresh_perl($prog,
688 sub { @_ ? $_[0] eq $expected : $expected },
689 $runperl_args, $name);
690}
691
692#
141f445b 693# fresh_perl_like
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JH
694#
695# Combination of run_perl() and like().
696#
697
698sub fresh_perl_like {
699 my($prog, $expected, $runperl_args, $name) = @_;
dcc7f481 700 local $Level = 2;
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JH
701 _fresh_perl($prog,
702 sub { @_ ?
703 $_[0] =~ (ref $expected ? $expected : /$expected/) :
704 $expected },
705 $runperl_args, $name);
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MS
706}
707
35a60386
RGS
708sub can_ok ($@) {
709 my($proto, @methods) = @_;
710 my $class = ref $proto || $proto;
711
712 unless( @methods ) {
713 return _ok( 0, _where(), "$class->can(...)" );
714 }
715
716 my @nok = ();
717 foreach my $method (@methods) {
718 local($!, $@); # don't interfere with caller's $@
719 # eval sometimes resets $!
720 eval { $proto->can($method) } || push @nok, $method;
721 }
722
723 my $name;
8210c8d3 724 $name = @methods == 1 ? "$class->can('$methods[0]')"
35a60386 725 : "$class->can(...)";
8210c8d3 726
35a60386
RGS
727 _ok( !@nok, _where(), $name );
728}
729
730sub isa_ok ($$;$) {
731 my($object, $class, $obj_name) = @_;
732
733 my $diag;
734 $obj_name = 'The object' unless defined $obj_name;
735 my $name = "$obj_name isa $class";
736 if( !defined $object ) {
737 $diag = "$obj_name isn't defined";
738 }
739 elsif( !ref $object ) {
740 $diag = "$obj_name isn't a reference";
741 }
742 else {
743 # We can't use UNIVERSAL::isa because we want to honor isa() overrides
744 local($@, $!); # eval sometimes resets $!
745 my $rslt = eval { $object->isa($class) };
746 if( $@ ) {
747 if( $@ =~ /^Can't call method "isa" on unblessed reference/ ) {
748 if( !UNIVERSAL::isa($object, $class) ) {
749 my $ref = ref $object;
750 $diag = "$obj_name isn't a '$class' it's a '$ref'";
751 }
752 } else {
753 die <<WHOA;
754WHOA! I tried to call ->isa on your object and got some weird error.
755This should never happen. Please contact the author immediately.
756Here's the error.
757$@
758WHOA
759 }
760 }
761 elsif( !$rslt ) {
762 my $ref = ref $object;
763 $diag = "$obj_name isn't a '$class' it's a '$ref'";
764 }
765 }
766
767 _ok( !$diag, _where(), $name );
768}
769
69026470 7701;