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 | |
8df0e0ed |
33 | END { |
34 | # On VMS, environment variable changes are peristent after perl exits |
35 | delete $ENV{'FOO'} if $Is_VMS; |
36 | } |
37 | |
39e571d4 |
38 | eval '$ENV{"FOO"} = "hi there";'; # check that ENV is inited inside eval |
26f6e342 |
39 | # cmd.exe will echo 'variable=value' but 4nt will echo just the value |
40 | # -- Nikola Knezevic |
b2978f4e |
41 | if ($Is_MSWin32) { like `set FOO`, qr/^(?:FOO=)?hi there$/; } |
be708cc0 |
42 | elsif ($Is_MacOS) { ok "1 # skipped", 1; } |
b2978f4e |
43 | elsif ($Is_VMS) { is `write sys\$output f\$trnlnm("FOO")`, "hi there\n"; } |
44 | else { is `echo \$FOO`, "hi there\n"; } |
8d063cd8 |
45 | |
bf38876a |
46 | unlink 'ajslkdfpqjsjfk'; |
8d063cd8 |
47 | $! = 0; |
90ce63d5 |
48 | open(FOO,'ajslkdfpqjsjfk'); |
b2978f4e |
49 | isnt($!, 0); |
90ce63d5 |
50 | close FOO; # just mention it, squelch used-only-once |
8d063cd8 |
51 | |
b2978f4e |
52 | SKIP: { |
53 | skip('SIGINT not safe on this platform', 5) |
54 | if $Is_MSWin32 || $Is_NetWare || $Is_Dos || $Is_MPE || $Is_MacOS; |
c363d00c |
55 | # the next tests are done in a subprocess because sh spits out a |
56 | # newline onto stderr when a child process kills itself with SIGINT. |
04fee9b5 |
57 | # We use a pipe rather than system() because the VMS command buffer |
c363d00c |
58 | # would overflow with a command that long. |
59 | |
60 | open( CMDPIPE, "| $PERL"); |
61 | |
62 | print CMDPIPE <<'END'; |
378cc40b |
63 | |
79072805 |
64 | $| = 1; # command buffering |
378cc40b |
65 | |
b715f106 |
66 | $SIG{"INT"} = "ok3"; kill "INT",$$; sleep 1; |
67 | $SIG{"INT"} = "IGNORE"; kill "INT",$$; sleep 1; print "ok 4\n"; |
0bee926d |
68 | $SIG{"INT"} = "DEFAULT"; kill "INT",$$; sleep 1; print "not ok 4\n"; |
79072805 |
69 | |
70 | sub ok3 { |
71 | if (($x = pop(@_)) eq "INT") { |
72 | print "ok 3\n"; |
73 | } |
74 | else { |
652ed9f8 |
75 | print "not ok 3 ($x @_)\n"; |
79072805 |
76 | } |
77 | } |
78 | |
79 | END |
c363d00c |
80 | |
81 | close CMDPIPE; |
82 | |
2d4fcd5e |
83 | open( CMDPIPE, "| $PERL"); |
84 | print CMDPIPE <<'END'; |
85 | |
86 | { package X; |
87 | sub DESTROY { |
88 | kill "INT",$$; |
89 | } |
90 | } |
91 | sub x { |
92 | my $x=bless [], 'X'; |
93 | return sub { $x }; |
94 | } |
95 | $| = 1; # command buffering |
96 | $SIG{"INT"} = "ok5"; |
97 | { |
98 | local $SIG{"INT"}=x(); |
99 | print ""; # Needed to expose failure in 5.8.0 (why?) |
100 | } |
101 | sleep 1; |
102 | delete $SIG{"INT"}; |
103 | kill "INT",$$; sleep 1; |
104 | sub ok5 { |
105 | print "ok 5\n"; |
106 | } |
107 | END |
108 | close CMDPIPE; |
bb4e15c8 |
109 | $? >>= 8 if $^O eq 'VMS'; # POSIX status hiding in 2nd byte |
639cf43b |
110 | my $todo = ($^O eq 'os2' ? ' # TODO: EMX v0.9d_fix4 bug: wrong nibble? ' : ''); |
111 | print $? & 0xFF ? "ok 6$todo\n" : "not ok 6$todo\n"; |
2d4fcd5e |
112 | |
6e592b3a |
113 | open(CMDPIPE, "| $PERL"); |
114 | print CMDPIPE <<'END'; |
115 | |
116 | sub PVBM () { 'foo' } |
117 | index 'foo', PVBM; |
118 | my $pvbm = PVBM; |
119 | |
120 | sub foo { exit 0 } |
121 | |
122 | $SIG{"INT"} = $pvbm; |
123 | kill "INT", $$; sleep 1; |
124 | END |
125 | close CMDPIPE; |
126 | $? >>= 8 if $^O eq 'VMS'; |
127 | print $? ? "not ok 7\n" : "ok 7\n"; |
128 | |
b2978f4e |
129 | curr_test(curr_test() + 5); |
68dc0745 |
130 | } |
a687059c |
131 | |
68dc0745 |
132 | # can we slice ENV? |
133 | @val1 = @ENV{keys(%ENV)}; |
a687059c |
134 | @val2 = values(%ENV); |
b2978f4e |
135 | is join(':',@val1), join(':',@val2); |
136 | cmp_ok @val1, '>', 1; |
90ce63d5 |
137 | |
138 | # regex vars |
139 | 'foobarbaz' =~ /b(a)r/; |
b2978f4e |
140 | is $`, 'foo'; |
141 | is $&, 'bar'; |
142 | is $', 'baz'; |
143 | is $+, 'a'; |
90ce63d5 |
144 | |
145 | # $" |
146 | @a = qw(foo bar baz); |
b2978f4e |
147 | is "@a", "foo bar baz"; |
90ce63d5 |
148 | { |
149 | local $" = ','; |
b2978f4e |
150 | is "@a", "foo,bar,baz"; |
90ce63d5 |
151 | } |
a687059c |
152 | |
90ce63d5 |
153 | # $; |
154 | %h = (); |
155 | $h{'foo', 'bar'} = 1; |
b2978f4e |
156 | is((keys %h)[0], "foo\034bar"); |
90ce63d5 |
157 | { |
158 | local $; = 'x'; |
159 | %h = (); |
160 | $h{'foo', 'bar'} = 1; |
b2978f4e |
161 | is((keys %h)[0], 'fooxbar'); |
90ce63d5 |
162 | } |
ed6116ce |
163 | |
90ce63d5 |
164 | # $?, $@, $$ |
b2978f4e |
165 | SKIP: { |
166 | skip('$? + system are broken on MacPerl', 2) if $Is_MacOS; |
dc459aad |
167 | system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(0)"]; |
b2978f4e |
168 | is $?, 0; |
dc459aad |
169 | system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(1)"]; |
b2978f4e |
170 | isnt $?, 0; |
dc459aad |
171 | } |
90ce63d5 |
172 | |
173 | eval { die "foo\n" }; |
b2978f4e |
174 | is $@, "foo\n"; |
90ce63d5 |
175 | |
b2978f4e |
176 | cmp_ok($$, '>', 0); |
306196c3 |
177 | eval { $$++ }; |
b2978f4e |
178 | like ($@, qr/^Modification of a read-only value attempted/); |
90ce63d5 |
179 | |
180 | # $^X and $0 |
ed37317b |
181 | { |
3e3baf6d |
182 | if ($^O eq 'qnx') { |
7fbf1995 |
183 | chomp($wd = `/usr/bin/fullpath -t`); |
68dc0745 |
184 | } |
04fee9b5 |
185 | elsif($Is_Cygwin || $Config{'d_procselfexe'}) { |
1cab015a |
186 | # Cygwin turns the symlink into the real file |
187 | chomp($wd = `pwd`); |
188 | $wd =~ s#/t$##; |
6178c52a |
189 | if ($Is_Cygwin) { |
190 | $wd = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($wd, 1)); |
191 | } |
1cab015a |
192 | } |
ed344e4f |
193 | elsif($Is_os2) { |
194 | $wd = Cwd::sys_cwd(); |
195 | } |
be708cc0 |
196 | elsif($Is_MacOS) { |
197 | $wd = ':'; |
198 | } |
68dc0745 |
199 | else { |
200 | $wd = '.'; |
201 | } |
c363d00c |
202 | my $perl = ($Is_MacOS || $Is_VMS) ? $^X : "$wd/perl"; |
ed37317b |
203 | my $headmaybe = ''; |
6178c52a |
204 | my $middlemaybe = ''; |
ed37317b |
205 | my $tailmaybe = ''; |
68dc0745 |
206 | $script = "$wd/show-shebang"; |
ed37317b |
207 | if ($Is_MSWin32) { |
208 | chomp($wd = `cd`); |
8ac9c18d |
209 | $wd =~ s|\\|/|g; |
210 | $perl = "$wd/perl.exe"; |
211 | $script = "$wd/show-shebang.bat"; |
ed37317b |
212 | $headmaybe = <<EOH ; |
213 | \@rem =' |
214 | \@echo off |
215 | $perl -x \%0 |
216 | goto endofperl |
217 | \@rem '; |
218 | EOH |
219 | $tailmaybe = <<EOT ; |
220 | |
221 | __END__ |
222 | :endofperl |
223 | EOT |
224 | } |
ed344e4f |
225 | elsif ($Is_os2) { |
226 | $script = "./show-shebang"; |
227 | } |
be708cc0 |
228 | elsif ($Is_MacOS) { |
229 | $script = ":show-shebang"; |
230 | } |
c363d00c |
231 | elsif ($Is_VMS) { |
232 | $script = "[]show-shebang"; |
be708cc0 |
233 | } |
6178c52a |
234 | elsif ($Is_Cygwin) { |
235 | $middlemaybe = <<'EOX' |
236 | $^X = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($^X, 1)); |
237 | $0 = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($0, 1)); |
238 | EOX |
239 | } |
a1a0e61e |
240 | if ($^O eq 'os390' or $^O eq 'posix-bc' or $^O eq 'vmesa') { # no shebang |
9d116dd7 |
241 | $headmaybe = <<EOH ; |
242 | eval 'exec ./perl -S \$0 \${1+"\$\@"}' |
243 | if 0; |
244 | EOH |
245 | } |
2eecd615 |
246 | $s1 = "\$^X is $perl, \$0 is $script\n"; |
b2978f4e |
247 | ok open(SCRIPT, ">$script") or diag $!; |
248 | ok print(SCRIPT $headmaybe . <<EOB . $middlemaybe . <<'EOF' . $tailmaybe) or diag $!; |
774d564b |
249 | #!$wd/perl |
250 | EOB |
90ce63d5 |
251 | print "\$^X is $^X, \$0 is $0\n"; |
252 | EOF |
b2978f4e |
253 | ok close(SCRIPT) or diag $!; |
254 | ok chmod(0755, $script) or diag $!; |
c363d00c |
255 | $_ = ($Is_MacOS || $Is_VMS) ? `$perl $script` : `$script`; |
ed344e4f |
256 | s/\.exe//i if $Is_Dos or $Is_Cygwin or $Is_os2; |
dbc1d986 |
257 | s{./$script}{$script} if $Is_BeOS; # revert BeOS execvp() side-effect |
68dc0745 |
258 | s{\bminiperl\b}{perl}; # so that test doesn't fail with miniperl |
ed37317b |
259 | s{is perl}{is $perl}; # for systems where $^X is only a basename |
a6c40364 |
260 | s{\\}{/}g; |
b2978f4e |
261 | if ($Is_MSWin32 || $Is_os2) { |
262 | is uc $_, uc $s1; |
263 | } else { |
264 | is $_, $s1; |
265 | } |
ed37317b |
266 | $_ = `$perl $script`; |
4bbb7126 |
267 | s/\.exe//i if $Is_Dos or $Is_os2 or $Is_Cygwin; |
dbc1d986 |
268 | s{./$perl}{$perl} if $Is_BeOS; # revert BeOS execvp() side-effect |
a6c40364 |
269 | s{\\}{/}g; |
b2978f4e |
270 | if ($Is_MSWin32 || $Is_os2) { |
271 | is uc $_, uc $s1; |
272 | } else { |
273 | is $_, $s1; |
274 | } |
275 | ok unlink($script) or diag $!; |
68dc0745 |
276 | } |
ed6116ce |
277 | |
90ce63d5 |
278 | # $], $^O, $^T |
b2978f4e |
279 | cmp_ok $], '>=', 5.00319; |
0bee926d |
280 | ok $^O; |
b2978f4e |
281 | cmp_ok $^T, '>', 850000000; |
66b1d557 |
282 | |
881ddac4 |
283 | # Test change 25062 is working |
284 | my $orig_osname = $^O; |
285 | { |
286 | local $^I = '.bak'; |
b2978f4e |
287 | is $^O, $orig_osname, 'Assigning $^I does not clobber $^O'; |
881ddac4 |
288 | } |
289 | $^O = $orig_osname; |
290 | |
b2978f4e |
291 | SKIP: { |
292 | skip("%ENV manipulations fail or aren't safe on $^O", 4) |
293 | if $Is_VMS || $Is_Dos || $Is_MacOS; |
294 | |
295 | SKIP: { |
296 | skip("clearing \%ENV is not safe when running under valgrind") |
297 | if $ENV{PERL_VALGRIND}; |
298 | |
da51b73c |
299 | $PATH = $ENV{PATH}; |
300 | $PDL = $ENV{PERL_DESTRUCT_LEVEL} || 0; |
301 | $ENV{foo} = "bar"; |
302 | %ENV = (); |
303 | $ENV{PATH} = $PATH; |
304 | $ENV{PERL_DESTRUCT_LEVEL} = $PDL || 0; |
b2978f4e |
305 | if ($Is_MSWin32) { |
306 | is `set foo 2>NUL`, ""; |
307 | } else { |
308 | is `echo \$foo`, "\n"; |
309 | } |
da51b73c |
310 | } |
3e3baf6d |
311 | |
ec00bdd8 |
312 | $ENV{__NoNeSuCh} = "foo"; |
3e3baf6d |
313 | $0 = "bar"; |
26f6e342 |
314 | # cmd.exe will echo 'variable=value' but 4nt will echo just the value |
315 | # -- Nikola Knezevic |
b2978f4e |
316 | if ($Is_MSWin32) { |
317 | like `set __NoNeSuCh`, qr/^(?:__NoNeSuCh=)?foo$/; |
318 | } else { |
319 | is `echo \$__NoNeSuCh`, "foo\n"; |
320 | } |
321 | SKIP: { |
322 | skip("\$0 check only on Linux and FreeBSD", 2) |
323 | unless $^O =~ /^(linux|freebsd)$/ |
324 | && open CMDLINE, "/proc/$$/cmdline"; |
325 | |
09fdc078 |
326 | chomp(my $line = scalar <CMDLINE>); |
327 | my $me = (split /\0/, $line)[0]; |
b2978f4e |
328 | is $me, $0, 'altering $0 is effective (testing with /proc/)'; |
09fdc078 |
329 | close CMDLINE; |
ecce83c2 |
330 | # perlbug #22811 |
331 | my $mydollarzero = sub { |
332 | my($arg) = shift; |
333 | $0 = $arg if defined $arg; |
fbd3c14b |
334 | # In FreeBSD the ps -o command= will cause |
335 | # an empty header line, grab only the last line. |
336 | my $ps = (`ps -o command= -p $$`)[-1]; |
ecce83c2 |
337 | return if $?; |
338 | chomp $ps; |
339 | printf "# 0[%s]ps[%s]\n", $0, $ps; |
340 | $ps; |
341 | }; |
342 | my $ps = $mydollarzero->("x"); |
e26ae24d |
343 | ok(!$ps # we allow that something goes wrong with the ps command |
80bca1b4 |
344 | # In Linux 2.4 we would get an exact match ($ps eq 'x') but |
345 | # in Linux 2.2 there seems to be something funny going on: |
346 | # it seems as if the original length of the argv[] would |
347 | # be stored in the proc struct and then used by ps(1), |
348 | # no matter what characters we use to pad the argv[]. |
349 | # (And if we use \0:s, they are shown as spaces.) Sigh. |
350 | || $ps =~ /^x\s*$/ |
6a4647a3 |
351 | # FreeBSD cannot get rid of both the leading "perl :" |
352 | # and the trailing " (perl)": some FreeBSD versions |
353 | # can get rid of the first one. |
d2e0b13f |
354 | || ($^O eq 'freebsd' && $ps =~ m/^(?:perl: )?x(?: \(perl\))?$/), |
e26ae24d |
355 | 'altering $0 is effective (testing with `ps`)'); |
09fdc078 |
356 | } |
66b1d557 |
357 | } |
3e3baf6d |
358 | |
c7213721 |
359 | { |
a45269de |
360 | my $ok = 1; |
361 | my $warn = ''; |
ae8ade65 |
362 | local $SIG{'__WARN__'} = sub { $ok = 0; $warn = join '', @_; $warn =~ s/\n$//; }; |
78987ded |
363 | $! = undef; |
b2978f4e |
364 | local $TODO = $Is_VMS ? "'\$!=undef' does throw a warning" : ''; |
365 | ok($ok, $warn); |
78987ded |
366 | } |
367 | |
902173a3 |
368 | # test case-insignificance of %ENV (these tests must be enabled only |
369 | # when perl is compiled with -DENV_IS_CASELESS) |
b2978f4e |
370 | SKIP: { |
371 | skip('no caseless %ENV support', 4) unless $Is_MSWin32 || $Is_NetWare; |
372 | |
902173a3 |
373 | %ENV = (); |
374 | $ENV{'Foo'} = 'bar'; |
375 | $ENV{'fOo'} = 'baz'; |
b2978f4e |
376 | is scalar(keys(%ENV)), 1; |
377 | ok exists $ENV{'FOo'}; |
378 | is delete $ENV{'foO'}, 'baz'; |
379 | is scalar(keys(%ENV)), 0; |
902173a3 |
380 | } |
d2c93421 |
381 | |
b2978f4e |
382 | SKIP: { |
383 | skip ("miniperl can't rely on loading %Errno", 2) if $Is_miniperl; |
126c71c8 |
384 | no warnings 'void'; |
385 | |
d2c93421 |
386 | # Make sure Errno hasn't been prematurely autoloaded |
387 | |
b79f7545 |
388 | ok !keys %Errno::; |
d2c93421 |
389 | |
390 | # Test auto-loading of Errno when %! is used |
391 | |
126c71c8 |
392 | ok scalar eval q{ |
393 | %!; |
394 | defined %Errno::; |
395 | }, $@; |
396 | } |
d2c93421 |
397 | |
b2978f4e |
398 | SKIP: { |
399 | skip ("miniperl can't rely on loading %Errno") if $Is_miniperl; |
43651d81 |
400 | # Make sure that Errno loading doesn't clobber $! |
d2c93421 |
401 | |
43651d81 |
402 | undef %Errno::; |
403 | delete $INC{"Errno.pm"}; |
d2c93421 |
404 | |
43651d81 |
405 | open(FOO, "nonesuch"); # Generate ENOENT |
406 | my %errs = %{"!"}; # Cause Errno.pm to be loaded at run-time |
407 | ok ${"!"}{ENOENT}; |
408 | } |
a4268c0a |
409 | |
b2978f4e |
410 | is $^S, 0; |
411 | eval { is $^S,1 }; |
b0e6f864 |
412 | eval " BEGIN { ok ! defined \$^S } "; |
b2978f4e |
413 | is $^S, 0; |
7c36658b |
414 | |
b2978f4e |
415 | is ${^TAINT}, 0; |
7c36658b |
416 | eval { ${^TAINT} = 1 }; |
b2978f4e |
417 | is ${^TAINT}, 0; |
9aa702ec |
418 | |
419 | # 5.6.1 had a bug: @+ and @- were not properly interpolated |
420 | # into double-quoted strings |
421 | # 20020414 mjd-perl-patch+@plover.com |
b64ebf53 |
422 | "I like pie" =~ /(I) (like) (pie)/; |
b2978f4e |
423 | is "@-", "0 0 2 7"; |
424 | is "@+", "10 1 6 10"; |
9aa702ec |
425 | |
f28098ff |
426 | # Tests for the magic get of $\ |
427 | { |
428 | my $ok = 0; |
429 | # [perl #19330] |
430 | { |
431 | local $\ = undef; |
432 | $\++; $\++; |
433 | $ok = $\ eq 2; |
434 | } |
435 | ok $ok; |
436 | $ok = 0; |
437 | { |
438 | local $\ = "a\0b"; |
439 | $ok = "a$\b" eq "aa\0bb"; |
440 | } |
441 | ok $ok; |
442 | } |
547d1dd8 |
443 | |
444 | # Test for bug [perl #27839] |
445 | { |
446 | my $x; |
447 | sub f { |
448 | "abc" =~ /(.)./; |
449 | $x = "@+"; |
450 | return @+; |
451 | }; |
452 | my @y = f(); |
b2978f4e |
453 | is $x, "@y", "return a magic array ($x) vs (@y)"; |
547d1dd8 |
454 | } |
4c9140ed |
455 | |
456 | # Test for bug [perl #36434] |
b2978f4e |
457 | # Can not do this test on VMS, EPOC, and SYMBIAN according to comments |
458 | # in mg.c/Perl_magic_clear_all_env() |
459 | SKIP: { |
460 | skip('Can\'t make assignment to \%ENV on this system', 3) if $Is_VMS; |
461 | |
4c9140ed |
462 | local @ISA; |
463 | local %ENV; |
e1a479c5 |
464 | # This used to be __PACKAGE__, but that causes recursive |
465 | # inheritance, which is detected earlier now and broke |
466 | # this test |
467 | eval { push @ISA, __FILE__ }; |
b2978f4e |
468 | is $@, '', 'Push a constant on a magic array'; |
4c9140ed |
469 | $@ and print "# $@"; |
470 | eval { %ENV = (PATH => __PACKAGE__) }; |
b2978f4e |
471 | is $@, '', 'Assign a constant to a magic hash'; |
d8084ca5 |
472 | $@ and print "# $@"; |
473 | eval { my %h = qw(A B); %ENV = (PATH => (keys %h)[0]) }; |
b2978f4e |
474 | is $@, '', 'Assign a shared key to a magic hash'; |
4c9140ed |
475 | $@ and print "# $@"; |
476 | } |
179c85a2 |
477 | |
478 | # Tests for Perl_magic_clearsig |
479 | foreach my $sig (qw(__WARN__ INT)) { |
480 | $SIG{$sig} = lc $sig; |
481 | is $SIG{$sig}, 'main::' . lc $sig, "Can assign to $sig"; |
482 | is delete $SIG{$sig}, 'main::' . lc $sig, "Can delete from $sig"; |
483 | is $SIG{$sig}, undef, "$sig is now gone"; |
484 | is delete $SIG{$sig}, undef, "$sig remains gone"; |
485 | } |
486 | |
487 | # And now one which doesn't exist; |
488 | { |
489 | no warnings 'signal'; |
490 | $SIG{HUNGRY} = 'mmm, pie'; |
491 | } |
492 | is $SIG{HUNGRY}, 'mmm, pie', 'Can assign to HUNGRY'; |
493 | is delete $SIG{HUNGRY}, 'mmm, pie', 'Can delete from HUNGRY'; |
494 | is $SIG{HUNGRY}, undef, "HUNGRY is now gone"; |
495 | is delete $SIG{HUNGRY}, undef, "HUNGRY remains gone"; |
496 | |
497 | # Test deleting signals that we never set |
c8be058c |
498 | foreach my $sig (qw(__DIE__ _BOGUS_HOOK KILL THIRSTY)) { |
179c85a2 |
499 | is $SIG{$sig}, undef, "$sig is not present"; |
500 | is delete $SIG{$sig}, undef, "delete of $sig returns undef"; |
501 | } |