Commit | Line | Data |
8d063cd8 |
1 | #!./perl |
2 | |
90ce63d5 |
3 | BEGIN { |
90ce63d5 |
4 | $| = 1; |
5 | chdir 't' if -d 't'; |
20822f61 |
6 | @INC = '../lib'; |
774d564b |
7 | $SIG{__WARN__} = sub { die "Dying on warning: ", @_ }; |
b2978f4e |
8 | require './test.pl'; |
90ce63d5 |
9 | } |
8d063cd8 |
10 | |
9f1b1f2d |
11 | use warnings; |
04fee9b5 |
12 | use Config; |
9f1b1f2d |
13 | |
179c85a2 |
14 | plan (tests => 79); |
0bee926d |
15 | |
43651d81 |
16 | $Is_MSWin32 = $^O eq 'MSWin32'; |
17 | $Is_NetWare = $^O eq 'NetWare'; |
18 | $Is_VMS = $^O eq 'VMS'; |
19 | $Is_Dos = $^O eq 'dos'; |
20 | $Is_os2 = $^O eq 'os2'; |
21 | $Is_Cygwin = $^O eq 'cygwin'; |
22 | $Is_MacOS = $^O eq 'MacOS'; |
23 | $Is_MPE = $^O eq 'mpeix'; |
24 | $Is_miniperl = $ENV{PERL_CORE_MINITEST}; |
dbc1d986 |
25 | $Is_BeOS = $^O eq 'beos'; |
be708cc0 |
26 | |
c8d62b71 |
27 | $PERL = $ENV{PERL} |
28 | || ($Is_NetWare ? 'perl' : |
29 | ($Is_MacOS || $Is_VMS) ? $^X : |
30 | $Is_MSWin32 ? '.\perl' : |
31 | './perl'); |
68dc0745 |
32 | |
39e571d4 |
33 | eval '$ENV{"FOO"} = "hi there";'; # check that ENV is inited inside eval |
26f6e342 |
34 | # cmd.exe will echo 'variable=value' but 4nt will echo just the value |
35 | # -- Nikola Knezevic |
b2978f4e |
36 | if ($Is_MSWin32) { like `set FOO`, qr/^(?:FOO=)?hi there$/; } |
be708cc0 |
37 | elsif ($Is_MacOS) { ok "1 # skipped", 1; } |
b2978f4e |
38 | elsif ($Is_VMS) { is `write sys\$output f\$trnlnm("FOO")`, "hi there\n"; } |
39 | else { is `echo \$FOO`, "hi there\n"; } |
8d063cd8 |
40 | |
bf38876a |
41 | unlink 'ajslkdfpqjsjfk'; |
8d063cd8 |
42 | $! = 0; |
90ce63d5 |
43 | open(FOO,'ajslkdfpqjsjfk'); |
b2978f4e |
44 | isnt($!, 0); |
90ce63d5 |
45 | close FOO; # just mention it, squelch used-only-once |
8d063cd8 |
46 | |
b2978f4e |
47 | SKIP: { |
48 | skip('SIGINT not safe on this platform', 5) |
49 | if $Is_MSWin32 || $Is_NetWare || $Is_Dos || $Is_MPE || $Is_MacOS; |
c363d00c |
50 | # the next tests are done in a subprocess because sh spits out a |
51 | # newline onto stderr when a child process kills itself with SIGINT. |
04fee9b5 |
52 | # We use a pipe rather than system() because the VMS command buffer |
c363d00c |
53 | # would overflow with a command that long. |
54 | |
55 | open( CMDPIPE, "| $PERL"); |
56 | |
57 | print CMDPIPE <<'END'; |
378cc40b |
58 | |
79072805 |
59 | $| = 1; # command buffering |
378cc40b |
60 | |
b715f106 |
61 | $SIG{"INT"} = "ok3"; kill "INT",$$; sleep 1; |
62 | $SIG{"INT"} = "IGNORE"; kill "INT",$$; sleep 1; print "ok 4\n"; |
0bee926d |
63 | $SIG{"INT"} = "DEFAULT"; kill "INT",$$; sleep 1; print "not ok 4\n"; |
79072805 |
64 | |
65 | sub ok3 { |
66 | if (($x = pop(@_)) eq "INT") { |
67 | print "ok 3\n"; |
68 | } |
69 | else { |
652ed9f8 |
70 | print "not ok 3 ($x @_)\n"; |
79072805 |
71 | } |
72 | } |
73 | |
74 | END |
c363d00c |
75 | |
76 | close CMDPIPE; |
77 | |
2d4fcd5e |
78 | open( CMDPIPE, "| $PERL"); |
79 | print CMDPIPE <<'END'; |
80 | |
81 | { package X; |
82 | sub DESTROY { |
83 | kill "INT",$$; |
84 | } |
85 | } |
86 | sub x { |
87 | my $x=bless [], 'X'; |
88 | return sub { $x }; |
89 | } |
90 | $| = 1; # command buffering |
91 | $SIG{"INT"} = "ok5"; |
92 | { |
93 | local $SIG{"INT"}=x(); |
94 | print ""; # Needed to expose failure in 5.8.0 (why?) |
95 | } |
96 | sleep 1; |
97 | delete $SIG{"INT"}; |
98 | kill "INT",$$; sleep 1; |
99 | sub ok5 { |
100 | print "ok 5\n"; |
101 | } |
102 | END |
103 | close CMDPIPE; |
bb4e15c8 |
104 | $? >>= 8 if $^O eq 'VMS'; # POSIX status hiding in 2nd byte |
639cf43b |
105 | my $todo = ($^O eq 'os2' ? ' # TODO: EMX v0.9d_fix4 bug: wrong nibble? ' : ''); |
106 | print $? & 0xFF ? "ok 6$todo\n" : "not ok 6$todo\n"; |
2d4fcd5e |
107 | |
6e592b3a |
108 | open(CMDPIPE, "| $PERL"); |
109 | print CMDPIPE <<'END'; |
110 | |
111 | sub PVBM () { 'foo' } |
112 | index 'foo', PVBM; |
113 | my $pvbm = PVBM; |
114 | |
115 | sub foo { exit 0 } |
116 | |
117 | $SIG{"INT"} = $pvbm; |
118 | kill "INT", $$; sleep 1; |
119 | END |
120 | close CMDPIPE; |
121 | $? >>= 8 if $^O eq 'VMS'; |
122 | print $? ? "not ok 7\n" : "ok 7\n"; |
123 | |
b2978f4e |
124 | curr_test(curr_test() + 5); |
68dc0745 |
125 | } |
a687059c |
126 | |
68dc0745 |
127 | # can we slice ENV? |
128 | @val1 = @ENV{keys(%ENV)}; |
a687059c |
129 | @val2 = values(%ENV); |
b2978f4e |
130 | is join(':',@val1), join(':',@val2); |
131 | cmp_ok @val1, '>', 1; |
90ce63d5 |
132 | |
133 | # regex vars |
134 | 'foobarbaz' =~ /b(a)r/; |
b2978f4e |
135 | is $`, 'foo'; |
136 | is $&, 'bar'; |
137 | is $', 'baz'; |
138 | is $+, 'a'; |
90ce63d5 |
139 | |
140 | # $" |
141 | @a = qw(foo bar baz); |
b2978f4e |
142 | is "@a", "foo bar baz"; |
90ce63d5 |
143 | { |
144 | local $" = ','; |
b2978f4e |
145 | is "@a", "foo,bar,baz"; |
90ce63d5 |
146 | } |
a687059c |
147 | |
90ce63d5 |
148 | # $; |
149 | %h = (); |
150 | $h{'foo', 'bar'} = 1; |
b2978f4e |
151 | is((keys %h)[0], "foo\034bar"); |
90ce63d5 |
152 | { |
153 | local $; = 'x'; |
154 | %h = (); |
155 | $h{'foo', 'bar'} = 1; |
b2978f4e |
156 | is((keys %h)[0], 'fooxbar'); |
90ce63d5 |
157 | } |
ed6116ce |
158 | |
90ce63d5 |
159 | # $?, $@, $$ |
b2978f4e |
160 | SKIP: { |
161 | skip('$? + system are broken on MacPerl', 2) if $Is_MacOS; |
dc459aad |
162 | system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(0)"]; |
b2978f4e |
163 | is $?, 0; |
dc459aad |
164 | system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(1)"]; |
b2978f4e |
165 | isnt $?, 0; |
dc459aad |
166 | } |
90ce63d5 |
167 | |
168 | eval { die "foo\n" }; |
b2978f4e |
169 | is $@, "foo\n"; |
90ce63d5 |
170 | |
b2978f4e |
171 | cmp_ok($$, '>', 0); |
306196c3 |
172 | eval { $$++ }; |
b2978f4e |
173 | like ($@, qr/^Modification of a read-only value attempted/); |
90ce63d5 |
174 | |
175 | # $^X and $0 |
ed37317b |
176 | { |
3e3baf6d |
177 | if ($^O eq 'qnx') { |
7fbf1995 |
178 | chomp($wd = `/usr/bin/fullpath -t`); |
68dc0745 |
179 | } |
04fee9b5 |
180 | elsif($Is_Cygwin || $Config{'d_procselfexe'}) { |
1cab015a |
181 | # Cygwin turns the symlink into the real file |
182 | chomp($wd = `pwd`); |
183 | $wd =~ s#/t$##; |
6178c52a |
184 | if ($Is_Cygwin) { |
185 | $wd = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($wd, 1)); |
186 | } |
1cab015a |
187 | } |
ed344e4f |
188 | elsif($Is_os2) { |
189 | $wd = Cwd::sys_cwd(); |
190 | } |
be708cc0 |
191 | elsif($Is_MacOS) { |
192 | $wd = ':'; |
193 | } |
68dc0745 |
194 | else { |
195 | $wd = '.'; |
196 | } |
c363d00c |
197 | my $perl = ($Is_MacOS || $Is_VMS) ? $^X : "$wd/perl"; |
ed37317b |
198 | my $headmaybe = ''; |
6178c52a |
199 | my $middlemaybe = ''; |
ed37317b |
200 | my $tailmaybe = ''; |
68dc0745 |
201 | $script = "$wd/show-shebang"; |
ed37317b |
202 | if ($Is_MSWin32) { |
203 | chomp($wd = `cd`); |
8ac9c18d |
204 | $wd =~ s|\\|/|g; |
205 | $perl = "$wd/perl.exe"; |
206 | $script = "$wd/show-shebang.bat"; |
ed37317b |
207 | $headmaybe = <<EOH ; |
208 | \@rem =' |
209 | \@echo off |
210 | $perl -x \%0 |
211 | goto endofperl |
212 | \@rem '; |
213 | EOH |
214 | $tailmaybe = <<EOT ; |
215 | |
216 | __END__ |
217 | :endofperl |
218 | EOT |
219 | } |
ed344e4f |
220 | elsif ($Is_os2) { |
221 | $script = "./show-shebang"; |
222 | } |
be708cc0 |
223 | elsif ($Is_MacOS) { |
224 | $script = ":show-shebang"; |
225 | } |
c363d00c |
226 | elsif ($Is_VMS) { |
227 | $script = "[]show-shebang"; |
be708cc0 |
228 | } |
6178c52a |
229 | elsif ($Is_Cygwin) { |
230 | $middlemaybe = <<'EOX' |
231 | $^X = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($^X, 1)); |
232 | $0 = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($0, 1)); |
233 | EOX |
234 | } |
a1a0e61e |
235 | if ($^O eq 'os390' or $^O eq 'posix-bc' or $^O eq 'vmesa') { # no shebang |
9d116dd7 |
236 | $headmaybe = <<EOH ; |
237 | eval 'exec ./perl -S \$0 \${1+"\$\@"}' |
238 | if 0; |
239 | EOH |
240 | } |
2eecd615 |
241 | $s1 = "\$^X is $perl, \$0 is $script\n"; |
b2978f4e |
242 | ok open(SCRIPT, ">$script") or diag $!; |
243 | ok print(SCRIPT $headmaybe . <<EOB . $middlemaybe . <<'EOF' . $tailmaybe) or diag $!; |
774d564b |
244 | #!$wd/perl |
245 | EOB |
90ce63d5 |
246 | print "\$^X is $^X, \$0 is $0\n"; |
247 | EOF |
b2978f4e |
248 | ok close(SCRIPT) or diag $!; |
249 | ok chmod(0755, $script) or diag $!; |
c363d00c |
250 | $_ = ($Is_MacOS || $Is_VMS) ? `$perl $script` : `$script`; |
ed344e4f |
251 | s/\.exe//i if $Is_Dos or $Is_Cygwin or $Is_os2; |
dbc1d986 |
252 | s{./$script}{$script} if $Is_BeOS; # revert BeOS execvp() side-effect |
68dc0745 |
253 | s{\bminiperl\b}{perl}; # so that test doesn't fail with miniperl |
ed37317b |
254 | s{is perl}{is $perl}; # for systems where $^X is only a basename |
a6c40364 |
255 | s{\\}{/}g; |
b2978f4e |
256 | if ($Is_MSWin32 || $Is_os2) { |
257 | is uc $_, uc $s1; |
258 | } else { |
259 | is $_, $s1; |
260 | } |
ed37317b |
261 | $_ = `$perl $script`; |
4bbb7126 |
262 | s/\.exe//i if $Is_Dos or $Is_os2 or $Is_Cygwin; |
dbc1d986 |
263 | s{./$perl}{$perl} if $Is_BeOS; # revert BeOS execvp() side-effect |
a6c40364 |
264 | s{\\}{/}g; |
b2978f4e |
265 | if ($Is_MSWin32 || $Is_os2) { |
266 | is uc $_, uc $s1; |
267 | } else { |
268 | is $_, $s1; |
269 | } |
270 | ok unlink($script) or diag $!; |
68dc0745 |
271 | } |
ed6116ce |
272 | |
90ce63d5 |
273 | # $], $^O, $^T |
b2978f4e |
274 | cmp_ok $], '>=', 5.00319; |
0bee926d |
275 | ok $^O; |
b2978f4e |
276 | cmp_ok $^T, '>', 850000000; |
66b1d557 |
277 | |
881ddac4 |
278 | # Test change 25062 is working |
279 | my $orig_osname = $^O; |
280 | { |
281 | local $^I = '.bak'; |
b2978f4e |
282 | is $^O, $orig_osname, 'Assigning $^I does not clobber $^O'; |
881ddac4 |
283 | } |
284 | $^O = $orig_osname; |
285 | |
b2978f4e |
286 | SKIP: { |
287 | skip("%ENV manipulations fail or aren't safe on $^O", 4) |
288 | if $Is_VMS || $Is_Dos || $Is_MacOS; |
289 | |
290 | SKIP: { |
291 | skip("clearing \%ENV is not safe when running under valgrind") |
292 | if $ENV{PERL_VALGRIND}; |
293 | |
da51b73c |
294 | $PATH = $ENV{PATH}; |
295 | $PDL = $ENV{PERL_DESTRUCT_LEVEL} || 0; |
296 | $ENV{foo} = "bar"; |
297 | %ENV = (); |
298 | $ENV{PATH} = $PATH; |
299 | $ENV{PERL_DESTRUCT_LEVEL} = $PDL || 0; |
b2978f4e |
300 | if ($Is_MSWin32) { |
301 | is `set foo 2>NUL`, ""; |
302 | } else { |
303 | is `echo \$foo`, "\n"; |
304 | } |
da51b73c |
305 | } |
3e3baf6d |
306 | |
ec00bdd8 |
307 | $ENV{__NoNeSuCh} = "foo"; |
3e3baf6d |
308 | $0 = "bar"; |
26f6e342 |
309 | # cmd.exe will echo 'variable=value' but 4nt will echo just the value |
310 | # -- Nikola Knezevic |
b2978f4e |
311 | if ($Is_MSWin32) { |
312 | like `set __NoNeSuCh`, qr/^(?:__NoNeSuCh=)?foo$/; |
313 | } else { |
314 | is `echo \$__NoNeSuCh`, "foo\n"; |
315 | } |
316 | SKIP: { |
317 | skip("\$0 check only on Linux and FreeBSD", 2) |
318 | unless $^O =~ /^(linux|freebsd)$/ |
319 | && open CMDLINE, "/proc/$$/cmdline"; |
320 | |
09fdc078 |
321 | chomp(my $line = scalar <CMDLINE>); |
322 | my $me = (split /\0/, $line)[0]; |
b2978f4e |
323 | is $me, $0, 'altering $0 is effective (testing with /proc/)'; |
09fdc078 |
324 | close CMDLINE; |
ecce83c2 |
325 | # perlbug #22811 |
326 | my $mydollarzero = sub { |
327 | my($arg) = shift; |
328 | $0 = $arg if defined $arg; |
fbd3c14b |
329 | # In FreeBSD the ps -o command= will cause |
330 | # an empty header line, grab only the last line. |
331 | my $ps = (`ps -o command= -p $$`)[-1]; |
ecce83c2 |
332 | return if $?; |
333 | chomp $ps; |
334 | printf "# 0[%s]ps[%s]\n", $0, $ps; |
335 | $ps; |
336 | }; |
337 | my $ps = $mydollarzero->("x"); |
e26ae24d |
338 | ok(!$ps # we allow that something goes wrong with the ps command |
80bca1b4 |
339 | # In Linux 2.4 we would get an exact match ($ps eq 'x') but |
340 | # in Linux 2.2 there seems to be something funny going on: |
341 | # it seems as if the original length of the argv[] would |
342 | # be stored in the proc struct and then used by ps(1), |
343 | # no matter what characters we use to pad the argv[]. |
344 | # (And if we use \0:s, they are shown as spaces.) Sigh. |
345 | || $ps =~ /^x\s*$/ |
6a4647a3 |
346 | # FreeBSD cannot get rid of both the leading "perl :" |
347 | # and the trailing " (perl)": some FreeBSD versions |
348 | # can get rid of the first one. |
d2e0b13f |
349 | || ($^O eq 'freebsd' && $ps =~ m/^(?:perl: )?x(?: \(perl\))?$/), |
e26ae24d |
350 | 'altering $0 is effective (testing with `ps`)'); |
09fdc078 |
351 | } |
66b1d557 |
352 | } |
3e3baf6d |
353 | |
c7213721 |
354 | { |
a45269de |
355 | my $ok = 1; |
356 | my $warn = ''; |
ae8ade65 |
357 | local $SIG{'__WARN__'} = sub { $ok = 0; $warn = join '', @_; $warn =~ s/\n$//; }; |
78987ded |
358 | $! = undef; |
b2978f4e |
359 | local $TODO = $Is_VMS ? "'\$!=undef' does throw a warning" : ''; |
360 | ok($ok, $warn); |
78987ded |
361 | } |
362 | |
902173a3 |
363 | # test case-insignificance of %ENV (these tests must be enabled only |
364 | # when perl is compiled with -DENV_IS_CASELESS) |
b2978f4e |
365 | SKIP: { |
366 | skip('no caseless %ENV support', 4) unless $Is_MSWin32 || $Is_NetWare; |
367 | |
902173a3 |
368 | %ENV = (); |
369 | $ENV{'Foo'} = 'bar'; |
370 | $ENV{'fOo'} = 'baz'; |
b2978f4e |
371 | is scalar(keys(%ENV)), 1; |
372 | ok exists $ENV{'FOo'}; |
373 | is delete $ENV{'foO'}, 'baz'; |
374 | is scalar(keys(%ENV)), 0; |
902173a3 |
375 | } |
d2c93421 |
376 | |
b2978f4e |
377 | SKIP: { |
378 | skip ("miniperl can't rely on loading %Errno", 2) if $Is_miniperl; |
126c71c8 |
379 | no warnings 'void'; |
380 | |
d2c93421 |
381 | # Make sure Errno hasn't been prematurely autoloaded |
382 | |
b79f7545 |
383 | ok !keys %Errno::; |
d2c93421 |
384 | |
385 | # Test auto-loading of Errno when %! is used |
386 | |
126c71c8 |
387 | ok scalar eval q{ |
388 | %!; |
389 | defined %Errno::; |
390 | }, $@; |
391 | } |
d2c93421 |
392 | |
b2978f4e |
393 | SKIP: { |
394 | skip ("miniperl can't rely on loading %Errno") if $Is_miniperl; |
43651d81 |
395 | # Make sure that Errno loading doesn't clobber $! |
d2c93421 |
396 | |
43651d81 |
397 | undef %Errno::; |
398 | delete $INC{"Errno.pm"}; |
d2c93421 |
399 | |
43651d81 |
400 | open(FOO, "nonesuch"); # Generate ENOENT |
401 | my %errs = %{"!"}; # Cause Errno.pm to be loaded at run-time |
402 | ok ${"!"}{ENOENT}; |
403 | } |
a4268c0a |
404 | |
b2978f4e |
405 | is $^S, 0; |
406 | eval { is $^S,1 }; |
b0e6f864 |
407 | eval " BEGIN { ok ! defined \$^S } "; |
b2978f4e |
408 | is $^S, 0; |
7c36658b |
409 | |
b2978f4e |
410 | is ${^TAINT}, 0; |
7c36658b |
411 | eval { ${^TAINT} = 1 }; |
b2978f4e |
412 | is ${^TAINT}, 0; |
9aa702ec |
413 | |
414 | # 5.6.1 had a bug: @+ and @- were not properly interpolated |
415 | # into double-quoted strings |
416 | # 20020414 mjd-perl-patch+@plover.com |
b64ebf53 |
417 | "I like pie" =~ /(I) (like) (pie)/; |
b2978f4e |
418 | is "@-", "0 0 2 7"; |
419 | is "@+", "10 1 6 10"; |
9aa702ec |
420 | |
f28098ff |
421 | # Tests for the magic get of $\ |
422 | { |
423 | my $ok = 0; |
424 | # [perl #19330] |
425 | { |
426 | local $\ = undef; |
427 | $\++; $\++; |
428 | $ok = $\ eq 2; |
429 | } |
430 | ok $ok; |
431 | $ok = 0; |
432 | { |
433 | local $\ = "a\0b"; |
434 | $ok = "a$\b" eq "aa\0bb"; |
435 | } |
436 | ok $ok; |
437 | } |
547d1dd8 |
438 | |
439 | # Test for bug [perl #27839] |
440 | { |
441 | my $x; |
442 | sub f { |
443 | "abc" =~ /(.)./; |
444 | $x = "@+"; |
445 | return @+; |
446 | }; |
447 | my @y = f(); |
b2978f4e |
448 | is $x, "@y", "return a magic array ($x) vs (@y)"; |
547d1dd8 |
449 | } |
4c9140ed |
450 | |
451 | # Test for bug [perl #36434] |
b2978f4e |
452 | # Can not do this test on VMS, EPOC, and SYMBIAN according to comments |
453 | # in mg.c/Perl_magic_clear_all_env() |
454 | SKIP: { |
455 | skip('Can\'t make assignment to \%ENV on this system', 3) if $Is_VMS; |
456 | |
4c9140ed |
457 | local @ISA; |
458 | local %ENV; |
e1a479c5 |
459 | # This used to be __PACKAGE__, but that causes recursive |
460 | # inheritance, which is detected earlier now and broke |
461 | # this test |
462 | eval { push @ISA, __FILE__ }; |
b2978f4e |
463 | is $@, '', 'Push a constant on a magic array'; |
4c9140ed |
464 | $@ and print "# $@"; |
465 | eval { %ENV = (PATH => __PACKAGE__) }; |
b2978f4e |
466 | is $@, '', 'Assign a constant to a magic hash'; |
d8084ca5 |
467 | $@ and print "# $@"; |
468 | eval { my %h = qw(A B); %ENV = (PATH => (keys %h)[0]) }; |
b2978f4e |
469 | is $@, '', 'Assign a shared key to a magic hash'; |
4c9140ed |
470 | $@ and print "# $@"; |
471 | } |
179c85a2 |
472 | |
473 | # Tests for Perl_magic_clearsig |
474 | foreach my $sig (qw(__WARN__ INT)) { |
475 | $SIG{$sig} = lc $sig; |
476 | is $SIG{$sig}, 'main::' . lc $sig, "Can assign to $sig"; |
477 | is delete $SIG{$sig}, 'main::' . lc $sig, "Can delete from $sig"; |
478 | is $SIG{$sig}, undef, "$sig is now gone"; |
479 | is delete $SIG{$sig}, undef, "$sig remains gone"; |
480 | } |
481 | |
482 | # And now one which doesn't exist; |
483 | { |
484 | no warnings 'signal'; |
485 | $SIG{HUNGRY} = 'mmm, pie'; |
486 | } |
487 | is $SIG{HUNGRY}, 'mmm, pie', 'Can assign to HUNGRY'; |
488 | is delete $SIG{HUNGRY}, 'mmm, pie', 'Can delete from HUNGRY'; |
489 | is $SIG{HUNGRY}, undef, "HUNGRY is now gone"; |
490 | is delete $SIG{HUNGRY}, undef, "HUNGRY remains gone"; |
491 | |
492 | # Test deleting signals that we never set |
493 | foreach my $sig (qw(__DIE__ _BOGUS_HOOK PIPE THIRSTY)) { |
494 | is $SIG{$sig}, undef, "$sig is not present"; |
495 | is delete $SIG{$sig}, undef, "delete of $sig returns undef"; |
496 | } |