Commit | Line | Data |
---|---|---|
b9894134 | 1 | #!./perl |
2 | ||
3 | # | |
4 | # various typeglob tests | |
5 | # | |
6 | ||
9f1b1f2d GS |
7 | BEGIN { |
8 | chdir 't' if -d 't'; | |
20822f61 | 9 | @INC = '../lib'; |
98e007d4 | 10 | } |
9f1b1f2d GS |
11 | |
12 | use warnings; | |
13 | ||
98e007d4 | 14 | require './test.pl'; |
b9e00b79 | 15 | plan( tests => 191 ); |
b9894134 | 16 | |
17 | # type coersion on assignment | |
18 | $foo = 'foo'; | |
19 | $bar = *main::foo; | |
20 | $bar = $foo; | |
98e007d4 | 21 | is(ref(\$bar), 'SCALAR'); |
b9894134 | 22 | $foo = *main::bar; |
23 | ||
24 | # type coersion (not) on misc ops | |
25 | ||
98e007d4 NC |
26 | ok($foo); |
27 | is(ref(\$foo), 'GLOB'); | |
b9894134 | 28 | |
98e007d4 NC |
29 | unlike ($foo, qr/abcd/); |
30 | is(ref(\$foo), 'GLOB'); | |
b9894134 | 31 | |
98e007d4 NC |
32 | is($foo, '*main::bar'); |
33 | is(ref(\$foo), 'GLOB'); | |
b9894134 | 34 | |
35 | # type coersion on substitutions that match | |
36 | $a = *main::foo; | |
37 | $b = $a; | |
38 | $a =~ s/^X//; | |
98e007d4 | 39 | is(ref(\$a), 'GLOB'); |
b9894134 | 40 | $a =~ s/^\*//; |
98e007d4 NC |
41 | is($a, 'main::foo'); |
42 | is(ref(\$b), 'GLOB'); | |
b9894134 | 43 | |
44 | # typeglobs as lvalues | |
45 | substr($foo, 0, 1) = "XXX"; | |
98e007d4 NC |
46 | is(ref(\$foo), 'SCALAR'); |
47 | is($foo, 'XXXmain::bar'); | |
b9894134 | 48 | |
49 | # returning glob values | |
50 | sub foo { | |
51 | local($bar) = *main::foo; | |
52 | $foo = *main::bar; | |
53 | return ($foo, $bar); | |
54 | } | |
55 | ||
56 | ($fuu, $baa) = foo(); | |
98e007d4 NC |
57 | ok(defined $fuu); |
58 | is(ref(\$fuu), 'GLOB'); | |
b9894134 | 59 | |
98e007d4 NC |
60 | |
61 | ok(defined $baa); | |
62 | is(ref(\$baa), 'GLOB'); | |
b9894134 | 63 | |
85aff577 CS |
64 | # nested package globs |
65 | # NOTE: It's probably OK if these semantics change, because the | |
66 | # fact that %X::Y:: is stored in %X:: isn't documented. | |
67 | # (I hope.) | |
68 | ||
9f1b1f2d | 69 | { package Foo::Bar; no warnings 'once'; $test=1; } |
98e007d4 NC |
70 | ok(exists $Foo::{'Bar::'}); |
71 | is($Foo::{'Bar::'}, '*Foo::Bar::'); | |
72 | ||
20408e3c GS |
73 | |
74 | # test undef operator clearing out entire glob | |
75 | $foo = 'stuff'; | |
76 | @foo = qw(more stuff); | |
77 | %foo = qw(even more random stuff); | |
78 | undef *foo; | |
98e007d4 NC |
79 | is ($foo, undef); |
80 | is (scalar @foo, 0); | |
81 | is (scalar %foo, 0); | |
20408e3c | 82 | |
20408e3c | 83 | { |
98e007d4 NC |
84 | # test warnings from assignment of undef to glob |
85 | my $msg = ''; | |
20408e3c | 86 | local $SIG{__WARN__} = sub { $msg = $_[0] }; |
9f1b1f2d | 87 | use warnings; |
20408e3c | 88 | *foo = 'bar'; |
98e007d4 | 89 | is($msg, ''); |
20408e3c | 90 | *foo = undef; |
98e007d4 | 91 | like($msg, qr/Undefined value assigned to typeglob/); |
e36cc0fb NC |
92 | |
93 | no warnings 'once'; | |
94 | # test warnings for converting globs to other forms | |
95 | my $copy = *PWOMPF; | |
96 | foreach ($copy, *SKREEE) { | |
97 | $msg = ''; | |
98 | my $victim = sprintf "%d", $_; | |
99 | like($msg, qr/Argument "\*main::[A-Z]{6}" isn't numeric in sprintf/, | |
100 | "Warning on conversion to IV"); | |
101 | is($victim, 0); | |
102 | ||
103 | $msg = ''; | |
104 | $victim = sprintf "%u", $_; | |
105 | like($msg, qr/Argument "\*main::[A-Z]{6}" isn't numeric in sprintf/, | |
106 | "Warning on conversion to UV"); | |
107 | is($victim, 0); | |
108 | ||
109 | $msg = ''; | |
110 | $victim = sprintf "%e", $_; | |
111 | like($msg, qr/Argument "\*main::[A-Z]{6}" isn't numeric in sprintf/, | |
112 | "Warning on conversion to NV"); | |
113 | like($victim, qr/^0\.0+E\+?00/i, "Expect floating point zero"); | |
114 | ||
115 | $msg = ''; | |
116 | $victim = sprintf "%s", $_; | |
117 | is($msg, '', "No warning on stringification"); | |
118 | is($victim, '' . $_); | |
119 | } | |
20408e3c | 120 | } |
640b9ef6 | 121 | |
98e007d4 | 122 | my $test = curr_test(); |
640b9ef6 | 123 | # test *glob{THING} syntax |
98e007d4 NC |
124 | $x = "ok $test\n"; |
125 | ++$test; | |
126 | @x = ("ok $test\n"); | |
127 | ++$test; | |
128 | %x = ("ok $test" => "\n"); | |
129 | ++$test; | |
130 | sub x { "ok $test\n" } | |
640b9ef6 | 131 | print ${*x{SCALAR}}, @{*x{ARRAY}}, %{*x{HASH}}, &{*x{CODE}}; |
98e007d4 NC |
132 | # This needs to go here, after the print, as sub x will return the current |
133 | # value of test | |
134 | ++$test; | |
f4d13ee9 | 135 | format x = |
98e007d4 | 136 | XXX This text isn't used. Should it be? |
f4d13ee9 | 137 | . |
98e007d4 NC |
138 | curr_test($test); |
139 | ||
140 | is (ref *x{FORMAT}, "FORMAT"); | |
640b9ef6 | 141 | *x = *STDOUT; |
98e007d4 | 142 | is (*{*x{GLOB}}, "*main::STDOUT"); |
39b99f21 | 143 | |
29a56bd6 | 144 | { |
98e007d4 NC |
145 | my $test = curr_test(); |
146 | ||
147 | print {*x{IO}} "ok $test\n"; | |
148 | ++$test; | |
149 | ||
150 | my $warn; | |
151 | local $SIG{__WARN__} = sub { | |
152 | $warn .= $_[0]; | |
153 | }; | |
154 | my $val = *x{FILEHANDLE}; | |
155 | print {*x{IO}} ($warn =~ /is deprecated/ | |
156 | ? "ok $test\n" : "not ok $test\n"); | |
157 | curr_test(++$test); | |
29a56bd6 JH |
158 | } |
159 | ||
35cd451c GS |
160 | |
161 | { | |
98e007d4 | 162 | # test if defined() doesn't create any new symbols |
35cd451c GS |
163 | |
164 | my $a = "SYM000"; | |
98e007d4 | 165 | ok(!defined *{$a}); |
35cd451c | 166 | |
98e007d4 NC |
167 | ok(!defined @{$a}); |
168 | ok(!defined *{$a}); | |
35cd451c | 169 | |
d47e1c27 NC |
170 | { |
171 | no warnings 'deprecated'; | |
172 | ok(!defined %{$a}); | |
173 | } | |
98e007d4 | 174 | ok(!defined *{$a}); |
35cd451c | 175 | |
98e007d4 NC |
176 | ok(!defined ${$a}); |
177 | ok(!defined *{$a}); | |
35cd451c | 178 | |
98e007d4 NC |
179 | ok(!defined &{$a}); |
180 | ok(!defined *{$a}); | |
35cd451c | 181 | |
98e007d4 NC |
182 | my $state = "not"; |
183 | *{$a} = sub { $state = "ok" }; | |
184 | ok(defined &{$a}); | |
185 | ok(defined *{$a}); | |
186 | &{$a}; | |
187 | is ($state, 'ok'); | |
35cd451c | 188 | } |
640b9ef6 | 189 | |
c9d5ac95 | 190 | { |
98e007d4 | 191 | # although it *should* if you're talking about magicals |
c9d5ac95 GS |
192 | |
193 | my $a = "]"; | |
98e007d4 NC |
194 | ok(defined ${$a}); |
195 | ok(defined *{$a}); | |
c9d5ac95 GS |
196 | |
197 | $a = "1"; | |
198 | "o" =~ /(o)/; | |
98e007d4 NC |
199 | ok(${$a}); |
200 | ok(defined *{$a}); | |
c9d5ac95 | 201 | $a = "2"; |
98e007d4 NC |
202 | ok(!${$a}); |
203 | ok(defined *{$a}); | |
c9d5ac95 | 204 | $a = "1x"; |
98e007d4 NC |
205 | ok(!defined ${$a}); |
206 | ok(!defined *{$a}); | |
c9d5ac95 GS |
207 | $a = "11"; |
208 | "o" =~ /(((((((((((o)))))))))))/; | |
98e007d4 NC |
209 | ok(${$a}); |
210 | ok(defined *{$a}); | |
c9d5ac95 GS |
211 | } |
212 | ||
bd2155e9 JH |
213 | # [ID 20010526.001] localized glob loses value when assigned to |
214 | ||
215 | $j=1; %j=(a=>1); @j=(1); local *j=*j; *j = sub{}; | |
216 | ||
98e007d4 NC |
217 | is($j, 1); |
218 | is($j{a}, 1); | |
219 | is($j[0], 1); | |
99491443 GS |
220 | |
221 | { | |
98e007d4 | 222 | # does pp_readline() handle glob-ness correctly? |
99491443 GS |
223 | my $g = *foo; |
224 | $g = <DATA>; | |
98e007d4 | 225 | is ($g, "Perl\n"); |
99491443 GS |
226 | } |
227 | ||
fb24441d RGS |
228 | { |
229 | my $w = ''; | |
bb112e5a | 230 | local $SIG{__WARN__} = sub { $w = $_[0] }; |
fb24441d RGS |
231 | sub abc1 (); |
232 | local *abc1 = sub { }; | |
98e007d4 | 233 | is ($w, ''); |
fb24441d RGS |
234 | sub abc2 (); |
235 | local *abc2; | |
236 | *abc2 = sub { }; | |
98e007d4 | 237 | is ($w, ''); |
fb24441d RGS |
238 | sub abc3 (); |
239 | *abc3 = sub { }; | |
98e007d4 | 240 | like ($w, qr/Prototype mismatch/); |
fb24441d RGS |
241 | } |
242 | ||
2b5e58c4 AMS |
243 | { |
244 | # [17375] rcatline to formerly-defined undef was broken. Fixed in | |
245 | # do_readline by checking SvOK. AMS, 20020918 | |
246 | my $x = "not "; | |
247 | $x = undef; | |
248 | $x .= <DATA>; | |
98e007d4 | 249 | is ($x, "Rules\n"); |
2b5e58c4 AMS |
250 | } |
251 | ||
4ce457a6 TP |
252 | { |
253 | # test the assignment of a GLOB to an LVALUE | |
254 | my $e = ''; | |
255 | local $SIG{__DIE__} = sub { $e = $_[0] }; | |
256 | my $v; | |
257 | sub f { $_[0] = 0; $_[0] = "a"; $_[0] = *DATA } | |
258 | f($v); | |
98e007d4 | 259 | is ($v, '*main::DATA'); |
4ce457a6 | 260 | my $x = <$v>; |
98e007d4 | 261 | is ($x, "perl\n"); |
4ce457a6 TP |
262 | } |
263 | ||
98e007d4 NC |
264 | { |
265 | $e = ''; | |
4ce457a6 TP |
266 | # GLOB assignment to tied element |
267 | local $SIG{__DIE__} = sub { $e = $_[0] }; | |
98e007d4 NC |
268 | sub T::TIEARRAY { bless [] => "T" } |
269 | sub T::STORE { $_[0]->[ $_[1] ] = $_[2] } | |
270 | sub T::FETCH { $_[0]->[ $_[1] ] } | |
271 | sub T::FETCHSIZE { @{$_[0]} } | |
4ce457a6 TP |
272 | tie my @ary => "T"; |
273 | $ary[0] = *DATA; | |
98e007d4 NC |
274 | is ($ary[0], '*main::DATA'); |
275 | is ($e, ''); | |
4ce457a6 | 276 | my $x = readline $ary[0]; |
98e007d4 | 277 | is($x, "rocks\n"); |
4ce457a6 TP |
278 | } |
279 | ||
e15faf7d | 280 | { |
4184c77b NC |
281 | # Need some sort of die or warn to get the global destruction text if the |
282 | # bug is still present | |
5c2a9b31 | 283 | my $output = runperl(prog => <<'EOPROG'); |
e15faf7d | 284 | package M; |
5c2a9b31 | 285 | $| = 1; |
4184c77b | 286 | sub DESTROY {eval {die qq{Farewell $_[0]}}; print $@} |
e15faf7d NC |
287 | package main; |
288 | ||
289 | bless \$A::B, 'M'; | |
290 | *A:: = \*B::; | |
291 | EOPROG | |
292 | like($output, qr/^Farewell M=SCALAR/, "DESTROY was called"); | |
293 | unlike($output, qr/global destruction/, | |
294 | "unreferenced symbol tables should be cleaned up immediately"); | |
295 | } | |
63fa9adc NC |
296 | |
297 | # Possibly not the correct test file for these tests. | |
298 | # There are certain space optimisations implemented via promotion rules to | |
299 | # GVs | |
300 | ||
bb112e5a NC |
301 | foreach (qw (oonk ga_shloip)) { |
302 | ok(!exists $::{$_}, "no symbols of any sort to start with for $_"); | |
303 | } | |
63fa9adc NC |
304 | |
305 | # A string in place of the typeglob is promoted to the function prototype | |
306 | $::{oonk} = "pie"; | |
307 | my $proto = eval 'prototype \&oonk'; | |
308 | die if $@; | |
309 | is ($proto, "pie", "String is promoted to prototype"); | |
310 | ||
311 | ||
312 | # A reference to a value is used to generate a constant subroutine | |
313 | foreach my $value (3, "Perl rules", \42, qr/whatever/, [1,2,3], {1=>2}, | |
5c1f4d79 | 314 | \*STDIN, \&ok, \undef, *STDOUT) { |
63fa9adc NC |
315 | delete $::{oonk}; |
316 | $::{oonk} = \$value; | |
317 | $proto = eval 'prototype \&oonk'; | |
318 | die if $@; | |
319 | is ($proto, '', "Prototype for a constant subroutine is empty"); | |
320 | ||
321 | my $got = eval 'oonk'; | |
322 | die if $@; | |
5c1f4d79 | 323 | is (ref $got, ref $value, "Correct type of value (" . ref($value) . ")"); |
63fa9adc NC |
324 | is ($got, $value, "Value is correctly set"); |
325 | } | |
5c1f4d79 | 326 | |
bb112e5a NC |
327 | delete $::{oonk}; |
328 | $::{oonk} = \"Value"; | |
329 | ||
330 | *{"ga_shloip"} = \&{"oonk"}; | |
331 | ||
332 | is (ref $::{ga_shloip}, 'SCALAR', "Export of proxy constant as is"); | |
333 | is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original"); | |
334 | is (eval 'ga_shloip', "Value", "Constant has correct value"); | |
335 | is (ref $::{ga_shloip}, 'SCALAR', | |
336 | "Inlining of constant doesn't change represenatation"); | |
337 | ||
338 | delete $::{ga_shloip}; | |
339 | ||
340 | eval 'sub ga_shloip (); 1' or die $@; | |
341 | is ($::{ga_shloip}, '', "Prototype is stored as an empty string"); | |
342 | ||
343 | # Check that a prototype expands. | |
344 | *{"ga_shloip"} = \&{"oonk"}; | |
345 | ||
346 | is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original"); | |
347 | is (eval 'ga_shloip', "Value", "Constant has correct value"); | |
348 | is (ref \$::{ga_shloip}, 'GLOB', "Symbol table has full typeglob"); | |
349 | ||
350 | ||
351 | @::zwot = ('Zwot!'); | |
352 | ||
353 | # Check that assignment to an existing typeglob works | |
354 | { | |
355 | my $w = ''; | |
356 | local $SIG{__WARN__} = sub { $w = $_[0] }; | |
357 | *{"zwot"} = \&{"oonk"}; | |
358 | is($w, '', "Should be no warning"); | |
359 | } | |
360 | ||
361 | is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original"); | |
362 | is (eval 'zwot', "Value", "Constant has correct value"); | |
363 | is (ref \$::{zwot}, 'GLOB', "Symbol table has full typeglob"); | |
364 | is (join ('!', @::zwot), 'Zwot!', "Existing array still in typeglob"); | |
365 | ||
366 | sub spritsits () { | |
367 | "Traditional"; | |
368 | } | |
369 | ||
370 | # Check that assignment to an existing subroutine works | |
371 | { | |
372 | my $w = ''; | |
373 | local $SIG{__WARN__} = sub { $w = $_[0] }; | |
374 | *{"spritsits"} = \&{"oonk"}; | |
375 | like($w, qr/^Constant subroutine main::spritsits redefined/, | |
376 | "Redefining a constant sub should warn"); | |
377 | } | |
378 | ||
379 | is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original"); | |
380 | is (eval 'spritsits', "Value", "Constant has correct value"); | |
381 | is (ref \$::{spritsits}, 'GLOB', "Symbol table has full typeglob"); | |
382 | ||
bb112e5a NC |
383 | # Check that assignment to an existing typeglob works |
384 | { | |
385 | my $w = ''; | |
386 | local $SIG{__WARN__} = sub { $w = $_[0] }; | |
50baa5ea VP |
387 | *{"plunk"} = []; |
388 | *{"plunk"} = \&{"oonk"}; | |
bb112e5a NC |
389 | is($w, '', "Should be no warning"); |
390 | } | |
391 | ||
bb112e5a NC |
392 | is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original"); |
393 | is (eval 'plunk', "Value", "Constant has correct value"); | |
394 | is (ref \$::{plunk}, 'GLOB', "Symbol table has full typeglob"); | |
395 | ||
396 | my $gr = eval '\*plunk' or die; | |
397 | ||
398 | { | |
399 | my $w = ''; | |
400 | local $SIG{__WARN__} = sub { $w = $_[0] }; | |
50baa5ea | 401 | *{$gr} = \&{"oonk"}; |
2111d928 | 402 | is($w, '', "Redefining a constant sub to another constant sub with the same underlying value should not warn (It's just re-exporting, and that was always legal)"); |
bb112e5a NC |
403 | } |
404 | ||
405 | is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original"); | |
406 | is (eval 'plunk', "Value", "Constant has correct value"); | |
407 | is (ref \$::{plunk}, 'GLOB', "Symbol table has full typeglob"); | |
408 | ||
50baa5ea VP |
409 | # Non-void context should defeat the optimisation, and will cause the original |
410 | # to be promoted (what change 26482 intended) | |
411 | my $result; | |
412 | { | |
413 | my $w = ''; | |
414 | local $SIG{__WARN__} = sub { $w = $_[0] }; | |
415 | $result = *{"awkkkkkk"} = \&{"oonk"}; | |
416 | is($w, '', "Should be no warning"); | |
417 | } | |
418 | ||
419 | is (ref \$result, 'GLOB', | |
420 | "Non void assignment should still return a typeglob"); | |
421 | ||
422 | is (ref \$::{oonk}, 'GLOB', "This export does affect original"); | |
423 | is (eval 'plunk', "Value", "Constant has correct value"); | |
424 | is (ref \$::{plunk}, 'GLOB', "Symbol table has full typeglob"); | |
425 | ||
426 | delete $::{oonk}; | |
427 | $::{oonk} = \"Value"; | |
428 | ||
429 | sub non_dangling { | |
430 | my $w = ''; | |
431 | local $SIG{__WARN__} = sub { $w = $_[0] }; | |
432 | *{"zap"} = \&{"oonk"}; | |
433 | is($w, '', "Should be no warning"); | |
434 | } | |
435 | ||
436 | non_dangling(); | |
437 | is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original"); | |
438 | is (eval 'zap', "Value", "Constant has correct value"); | |
439 | is (ref $::{zap}, 'SCALAR', "Exported target is also a PCS"); | |
440 | ||
441 | sub dangling { | |
442 | local $SIG{__WARN__} = sub { die $_[0] }; | |
443 | *{"biff"} = \&{"oonk"}; | |
444 | } | |
445 | ||
446 | dangling(); | |
447 | is (ref \$::{oonk}, 'GLOB', "This export does affect original"); | |
448 | is (eval 'biff', "Value", "Constant has correct value"); | |
449 | is (ref \$::{biff}, 'GLOB', "Symbol table has full typeglob"); | |
450 | ||
acaa9288 NC |
451 | { |
452 | use vars qw($glook $smek $foof); | |
453 | # Check reference assignment isn't affected by the SV type (bug #38439) | |
454 | $glook = 3; | |
455 | $smek = 4; | |
456 | $foof = "halt and cool down"; | |
457 | ||
458 | my $rv = \*smek; | |
459 | is($glook, 3); | |
460 | *glook = $rv; | |
461 | is($glook, 4); | |
462 | ||
463 | my $pv = ""; | |
464 | $pv = \*smek; | |
465 | is($foof, "halt and cool down"); | |
466 | *foof = $pv; | |
467 | is($foof, 4); | |
468 | } | |
469 | ||
5c1f4d79 NC |
470 | format = |
471 | . | |
472 | ||
473 | foreach my $value ([1,2,3], {1=>2}, *STDOUT{IO}, \&ok, *STDOUT{FORMAT}) { | |
474 | # *STDOUT{IO} returns a reference to a PVIO. As it's blessed, ref returns | |
475 | # IO::Handle, which isn't what we want. | |
476 | my $type = $value; | |
477 | $type =~ s/.*=//; | |
478 | $type =~ s/\(.*//; | |
479 | delete $::{oonk}; | |
480 | $::{oonk} = $value; | |
481 | $proto = eval 'prototype \&oonk'; | |
482 | like ($@, qr/^Cannot convert a reference to $type to typeglob/, | |
483 | "Cannot upgrade ref-to-$type to typeglob"); | |
484 | } | |
f9d52e31 NC |
485 | |
486 | { | |
487 | no warnings qw(once uninitialized); | |
488 | my $g = \*clatter; | |
489 | my $r = eval {no strict; ${*{$g}{SCALAR}}}; | |
490 | is ($@, '', "PERL_DONT_CREATE_GVSV shouldn't affect thingy syntax"); | |
491 | ||
492 | $g = \*vowm; | |
493 | $r = eval {use strict; ${*{$g}{SCALAR}}}; | |
494 | is ($@, '', | |
495 | "PERL_DONT_CREATE_GVSV shouldn't affect thingy syntax under strict"); | |
496 | } | |
497 | ||
06be3b40 NC |
498 | { |
499 | # Bug reported by broquaint on IRC | |
500 | *slosh::{HASH}->{ISA}=[]; | |
501 | slosh->import; | |
502 | pass("gv_fetchmeth coped with the unexpected"); | |
9e0d86f8 NC |
503 | |
504 | # An audit found these: | |
505 | { | |
506 | package slosh; | |
507 | sub rip { | |
508 | my $s = shift; | |
509 | $s->SUPER::rip; | |
510 | } | |
511 | } | |
512 | eval {slosh->rip;}; | |
513 | like ($@, qr/^Can't locate object method "rip"/, "Even with SUPER"); | |
514 | ||
515 | is(slosh->isa('swoosh'), ''); | |
516 | ||
517 | $CORE::GLOBAL::{"lock"}=[]; | |
518 | eval "no warnings; lock"; | |
519 | like($@, qr/^Not enough arguments for lock/, | |
520 | "Can't trip up general keyword overloading"); | |
521 | ||
522 | $CORE::GLOBAL::{"readline"}=[]; | |
b3c9268e | 523 | eval "<STDOUT> if 0"; |
9e0d86f8 | 524 | is($@, '', "Can't trip up readline overloading"); |
d5e716f5 NC |
525 | |
526 | $CORE::GLOBAL::{"readpipe"}=[]; | |
527 | eval "`` if 0"; | |
528 | is($@, '', "Can't trip up readpipe overloading"); | |
06be3b40 | 529 | } |
53a42478 NC |
530 | |
531 | { | |
532 | die if exists $::{BONK}; | |
533 | $::{BONK} = \"powie"; | |
534 | *{"BONK"} = \&{"BONK"}; | |
535 | eval 'is(BONK(), "powie", | |
536 | "Assigment works when glob created midway (bug 45607)"); 1' | |
537 | or die $@; | |
538 | } | |
1f257c95 NC |
539 | |
540 | # For now these tests are here, but they would probably be better in a file for | |
541 | # tests for croaks. (And in turn, that probably deserves to be in a different | |
542 | # directory. Gerard Goossen has a point about the layout being unclear | |
543 | ||
544 | sub coerce_integer { | |
545 | no warnings 'numeric'; | |
546 | $_[0] |= 0; | |
547 | } | |
548 | sub coerce_number { | |
549 | no warnings 'numeric'; | |
550 | $_[0] += 0; | |
551 | } | |
552 | sub coerce_string { | |
553 | $_[0] .= ''; | |
554 | } | |
555 | ||
556 | foreach my $type (qw(integer number string)) { | |
557 | my $prog = "coerce_$type(*STDERR)"; | |
558 | is (scalar eval "$prog; 1", undef, "$prog failed..."); | |
559 | like ($@, qr/Can't coerce GLOB to $type in/, | |
560 | "with the correct error message"); | |
561 | } | |
562 | ||
1809c940 DM |
563 | # RT #60954 anonymous glob should be defined, and not coredump when |
564 | # stringified. The behaviours are: | |
565 | # | |
566 | # defined($glob) "$glob" | |
567 | # 5.8.8 false "" with uninit warning | |
568 | # 5.10.0 true (coredump) | |
569 | # 5.12.0 true "" | |
570 | ||
571 | { | |
572 | my $io_ref = *STDOUT{IO}; | |
573 | my $glob = *$io_ref; | |
574 | ok(defined $glob, "RT #60954 anon glob should be defined"); | |
575 | ||
576 | my $warn = ''; | |
577 | local $SIG{__WARN__} = sub { $warn = $_[0] }; | |
578 | use warnings; | |
579 | my $str = "$glob"; | |
580 | is($warn, '', "RT #60954 anon glob stringification shouln't warn"); | |
581 | is($str, '', "RT #60954 anon glob stringification should be empty"); | |
582 | } | |
583 | ||
1f730e6c FC |
584 | # [perl #71254] - Assigning a glob to a variable that has a current |
585 | # match position. (We are testing that Perl_magic_setmglob respects globs' | |
586 | # special used of SvSCREAM.) | |
587 | { | |
588 | $m = 2; $m=~s/./0/gems; $m= *STDERR; | |
589 | is( | |
590 | "$m", "*main::STDERR", | |
591 | '[perl #71254] assignment of globs to vars with pos' | |
592 | ); | |
593 | } | |
594 | ||
2867cdbc Z |
595 | # [perl #72740] - indirect object syntax, heuristically imputed due to |
596 | # the non-existence of a function, should not cause a stash entry to be | |
597 | # created for the non-existent function. | |
598 | { | |
599 | package RT72740a; | |
600 | my $f = bless({}, RT72740b); | |
601 | sub s1 { s2 $f; } | |
602 | our $s4; | |
603 | sub s3 { s4 $f; } | |
604 | } | |
605 | { | |
606 | package RT72740b; | |
607 | sub s2 { "RT72740b::s2" } | |
608 | sub s4 { "RT72740b::s4" } | |
609 | } | |
610 | ok(exists($RT72740a::{s1}), "RT72740a::s1 exists"); | |
611 | ok(!exists($RT72740a::{s2}), "RT72740a::s2 does not exist"); | |
612 | ok(exists($RT72740a::{s3}), "RT72740a::s3 exists"); | |
613 | ok(exists($RT72740a::{s4}), "RT72740a::s4 exists"); | |
614 | is(RT72740a::s1(), "RT72740b::s2", "RT72740::s1 parsed correctly"); | |
615 | is(RT72740a::s3(), "RT72740b::s4", "RT72740::s3 parsed correctly"); | |
616 | ||
b9e00b79 LR |
617 | # [perl #71686] Globs that are in symbol table can be un-globbed |
618 | $sym = undef; | |
619 | $::{fake} = *sym; | |
620 | is (eval 'local *::fake = \"chuck"; $fake', 'chuck', | |
621 | "Localized glob didn't coerce into a RV"); | |
622 | is ($@, '', "Can localize FAKE glob that's present in stash"); | |
623 | is (scalar $::{fake}, "*main::sym", | |
624 | "Localized FAKE glob's value was correctly restored"); | |
625 | ||
99491443 | 626 | __END__ |
98e007d4 NC |
627 | Perl |
628 | Rules | |
629 | perl | |
630 | rocks |