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Tests for calls to Perl_croak() in the C source. Starting with "No such hook".
[perl5.git] / t / op / magic.t
CommitLineData
8d063cd8
LW
1#!./perl
2
90ce63d5 3BEGIN {
90ce63d5
RS
4 $| = 1;
5 chdir 't' if -d 't';
20822f61 6 @INC = '../lib';
774d564b 7 $SIG{__WARN__} = sub { die "Dying on warning: ", @_ };
90ce63d5 8}
8d063cd8 9
9f1b1f2d 10use warnings;
04fee9b5 11use Config;
9f1b1f2d 12
0bee926d 13my $test = 1;
90ce63d5 14sub ok {
0bee926d
MS
15 my($ok, $info, $todo) = @_;
16
17 # You have to do it this way or VMS will get confused.
18 printf "%s $test%s\n", $ok ? "ok" : "not ok",
19 $todo ? " # TODO $todo" : '';
20
21 unless( $ok ) {
22 printf "# Failed test at line %d\n", (caller)[2];
09fdc078 23 print "# $info\n" if defined $info;
90ce63d5 24 }
0bee926d
MS
25
26 $test++;
27 return $ok;
28}
29
30sub skip {
31 my($reason) = @_;
32
33 printf "ok $test # skipped%s\n", defined $reason ? ": $reason" : '';
34
35 $test++;
36 return 1;
90ce63d5
RS
37}
38
6e592b3a 39print "1..59\n";
0bee926d 40
43651d81
NC
41$Is_MSWin32 = $^O eq 'MSWin32';
42$Is_NetWare = $^O eq 'NetWare';
43$Is_VMS = $^O eq 'VMS';
44$Is_Dos = $^O eq 'dos';
45$Is_os2 = $^O eq 'os2';
46$Is_Cygwin = $^O eq 'cygwin';
47$Is_MacOS = $^O eq 'MacOS';
48$Is_MPE = $^O eq 'mpeix';
49$Is_miniperl = $ENV{PERL_CORE_MINITEST};
dbc1d986 50$Is_BeOS = $^O eq 'beos';
be708cc0 51
c8d62b71
RGS
52$PERL = $ENV{PERL}
53 || ($Is_NetWare ? 'perl' :
54 ($Is_MacOS || $Is_VMS) ? $^X :
55 $Is_MSWin32 ? '.\perl' :
56 './perl');
68dc0745 57
39e571d4 58eval '$ENV{"FOO"} = "hi there";'; # check that ENV is inited inside eval
26f6e342
NK
59# cmd.exe will echo 'variable=value' but 4nt will echo just the value
60# -- Nikola Knezevic
8efe09f7 61if ($Is_MSWin32) { ok `set FOO` =~ /^(?:FOO=)?hi there$/; }
be708cc0 62elsif ($Is_MacOS) { ok "1 # skipped", 1; }
c363d00c 63elsif ($Is_VMS) { ok `write sys\$output f\$trnlnm("FOO")` eq "hi there\n"; }
be708cc0 64else { ok `echo \$FOO` eq "hi there\n"; }
8d063cd8 65
bf38876a 66unlink 'ajslkdfpqjsjfk';
8d063cd8 67$! = 0;
90ce63d5 68open(FOO,'ajslkdfpqjsjfk');
0bee926d 69ok $!, $!;
90ce63d5 70close FOO; # just mention it, squelch used-only-once
8d063cd8 71
be708cc0 72if ($Is_MSWin32 || $Is_NetWare || $Is_Dos || $Is_MPE || $Is_MacOS) {
a782d47c 73 skip('SIGINT not safe on this platform') for 1..5;
68dc0745
PP
74}
75else {
c363d00c
CB
76 # the next tests are done in a subprocess because sh spits out a
77 # newline onto stderr when a child process kills itself with SIGINT.
04fee9b5 78 # We use a pipe rather than system() because the VMS command buffer
c363d00c
CB
79 # would overflow with a command that long.
80
81 open( CMDPIPE, "| $PERL");
82
83 print CMDPIPE <<'END';
378cc40b 84
79072805 85 $| = 1; # command buffering
378cc40b 86
b715f106
MB
87 $SIG{"INT"} = "ok3"; kill "INT",$$; sleep 1;
88 $SIG{"INT"} = "IGNORE"; kill "INT",$$; sleep 1; print "ok 4\n";
0bee926d 89 $SIG{"INT"} = "DEFAULT"; kill "INT",$$; sleep 1; print "not ok 4\n";
79072805
LW
90
91 sub ok3 {
92 if (($x = pop(@_)) eq "INT") {
93 print "ok 3\n";
94 }
95 else {
652ed9f8 96 print "not ok 3 ($x @_)\n";
79072805
LW
97 }
98 }
99
100END
c363d00c
CB
101
102 close CMDPIPE;
103
2d4fcd5e
AJ
104 open( CMDPIPE, "| $PERL");
105 print CMDPIPE <<'END';
106
107 { package X;
108 sub DESTROY {
109 kill "INT",$$;
110 }
111 }
112 sub x {
113 my $x=bless [], 'X';
114 return sub { $x };
115 }
116 $| = 1; # command buffering
117 $SIG{"INT"} = "ok5";
118 {
119 local $SIG{"INT"}=x();
120 print ""; # Needed to expose failure in 5.8.0 (why?)
121 }
122 sleep 1;
123 delete $SIG{"INT"};
124 kill "INT",$$; sleep 1;
125 sub ok5 {
126 print "ok 5\n";
127 }
128END
129 close CMDPIPE;
bb4e15c8 130 $? >>= 8 if $^O eq 'VMS'; # POSIX status hiding in 2nd byte
639cf43b
IZ
131 my $todo = ($^O eq 'os2' ? ' # TODO: EMX v0.9d_fix4 bug: wrong nibble? ' : '');
132 print $? & 0xFF ? "ok 6$todo\n" : "not ok 6$todo\n";
2d4fcd5e 133
6e592b3a
BM
134 open(CMDPIPE, "| $PERL");
135 print CMDPIPE <<'END';
136
137 sub PVBM () { 'foo' }
138 index 'foo', PVBM;
139 my $pvbm = PVBM;
140
141 sub foo { exit 0 }
142
143 $SIG{"INT"} = $pvbm;
144 kill "INT", $$; sleep 1;
145END
146 close CMDPIPE;
147 $? >>= 8 if $^O eq 'VMS';
148 print $? ? "not ok 7\n" : "ok 7\n";
149
150 $test += 5;
68dc0745 151}
a687059c 152
68dc0745
PP
153# can we slice ENV?
154@val1 = @ENV{keys(%ENV)};
a687059c 155@val2 = values(%ENV);
0bee926d
MS
156ok join(':',@val1) eq join(':',@val2);
157ok @val1 > 1;
90ce63d5
RS
158
159# regex vars
160'foobarbaz' =~ /b(a)r/;
0bee926d
MS
161ok $` eq 'foo', $`;
162ok $& eq 'bar', $&;
163ok $' eq 'baz', $';
164ok $+ eq 'a', $+;
90ce63d5
RS
165
166# $"
167@a = qw(foo bar baz);
0bee926d 168ok "@a" eq "foo bar baz", "@a";
90ce63d5
RS
169{
170 local $" = ',';
0bee926d 171 ok "@a" eq "foo,bar,baz", "@a";
90ce63d5 172}
a687059c 173
90ce63d5
RS
174# $;
175%h = ();
176$h{'foo', 'bar'} = 1;
0bee926d 177ok((keys %h)[0] eq "foo\034bar", (keys %h)[0]);
90ce63d5
RS
178{
179 local $; = 'x';
180 %h = ();
181 $h{'foo', 'bar'} = 1;
0bee926d 182 ok((keys %h)[0] eq 'fooxbar', (keys %h)[0]);
90ce63d5 183}
ed6116ce 184
90ce63d5 185# $?, $@, $$
dc459aad
JH
186if ($Is_MacOS) {
187 skip('$? + system are broken on MacPerl') for 1..2;
188}
189else {
190 system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(0)"];
191 ok $? == 0, $?;
192 system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(1)"];
193 ok $? != 0, $?;
194}
90ce63d5
RS
195
196eval { die "foo\n" };
0bee926d 197ok $@ eq "foo\n", $@;
90ce63d5 198
0bee926d 199ok $$ > 0, $$;
306196c3
MS
200eval { $$++ };
201ok $@ =~ /^Modification of a read-only value attempted/;
90ce63d5
RS
202
203# $^X and $0
ed37317b 204{
3e3baf6d 205 if ($^O eq 'qnx') {
7fbf1995 206 chomp($wd = `/usr/bin/fullpath -t`);
68dc0745 207 }
04fee9b5 208 elsif($Is_Cygwin || $Config{'d_procselfexe'}) {
1cab015a
FE
209 # Cygwin turns the symlink into the real file
210 chomp($wd = `pwd`);
211 $wd =~ s#/t$##;
6178c52a
JH
212 if ($Is_Cygwin) {
213 $wd = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($wd, 1));
214 }
1cab015a 215 }
ed344e4f
IZ
216 elsif($Is_os2) {
217 $wd = Cwd::sys_cwd();
218 }
be708cc0
JH
219 elsif($Is_MacOS) {
220 $wd = ':';
221 }
68dc0745
PP
222 else {
223 $wd = '.';
224 }
c363d00c 225 my $perl = ($Is_MacOS || $Is_VMS) ? $^X : "$wd/perl";
ed37317b 226 my $headmaybe = '';
6178c52a 227 my $middlemaybe = '';
ed37317b 228 my $tailmaybe = '';
68dc0745 229 $script = "$wd/show-shebang";
ed37317b
TB
230 if ($Is_MSWin32) {
231 chomp($wd = `cd`);
8ac9c18d
GS
232 $wd =~ s|\\|/|g;
233 $perl = "$wd/perl.exe";
234 $script = "$wd/show-shebang.bat";
ed37317b
TB
235 $headmaybe = <<EOH ;
236\@rem ='
237\@echo off
238$perl -x \%0
239goto endofperl
240\@rem ';
241EOH
242 $tailmaybe = <<EOT ;
243
244__END__
245:endofperl
246EOT
247 }
ed344e4f
IZ
248 elsif ($Is_os2) {
249 $script = "./show-shebang";
250 }
be708cc0
JH
251 elsif ($Is_MacOS) {
252 $script = ":show-shebang";
253 }
c363d00c
CB
254 elsif ($Is_VMS) {
255 $script = "[]show-shebang";
be708cc0 256 }
6178c52a
JH
257 elsif ($Is_Cygwin) {
258 $middlemaybe = <<'EOX'
259$^X = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($^X, 1));
260$0 = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($0, 1));
261EOX
262 }
a1a0e61e 263 if ($^O eq 'os390' or $^O eq 'posix-bc' or $^O eq 'vmesa') { # no shebang
9d116dd7
JH
264 $headmaybe = <<EOH ;
265 eval 'exec ./perl -S \$0 \${1+"\$\@"}'
266 if 0;
267EOH
268 }
2eecd615 269 $s1 = "\$^X is $perl, \$0 is $script\n";
0bee926d 270 ok open(SCRIPT, ">$script"), $!;
6178c52a 271 ok print(SCRIPT $headmaybe . <<EOB . $middlemaybe . <<'EOF' . $tailmaybe), $!;
774d564b
PP
272#!$wd/perl
273EOB
90ce63d5
RS
274print "\$^X is $^X, \$0 is $0\n";
275EOF
0bee926d
MS
276 ok close(SCRIPT), $!;
277 ok chmod(0755, $script), $!;
c363d00c 278 $_ = ($Is_MacOS || $Is_VMS) ? `$perl $script` : `$script`;
ed344e4f 279 s/\.exe//i if $Is_Dos or $Is_Cygwin or $Is_os2;
dbc1d986 280 s{./$script}{$script} if $Is_BeOS; # revert BeOS execvp() side-effect
68dc0745 281 s{\bminiperl\b}{perl}; # so that test doesn't fail with miniperl
ed37317b 282 s{is perl}{is $perl}; # for systems where $^X is only a basename
a6c40364 283 s{\\}{/}g;
0bee926d 284 ok((($Is_MSWin32 || $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1:");
ed37317b 285 $_ = `$perl $script`;
4bbb7126 286 s/\.exe//i if $Is_Dos or $Is_os2 or $Is_Cygwin;
dbc1d986 287 s{./$perl}{$perl} if $Is_BeOS; # revert BeOS execvp() side-effect
a6c40364 288 s{\\}{/}g;
0bee926d 289 ok((($Is_MSWin32 || $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1: after `$perl $script`");
22fc9b38 290 ok unlink($script), $!;
68dc0745 291}
ed6116ce 292
90ce63d5 293# $], $^O, $^T
0bee926d
MS
294ok $] >= 5.00319, $];
295ok $^O;
296ok $^T > 850000000, $^T;
66b1d557 297
881ddac4
SH
298# Test change 25062 is working
299my $orig_osname = $^O;
300{
301local $^I = '.bak';
302ok($^O eq $orig_osname, 'Assigning $^I does not clobber $^O');
303}
304$^O = $orig_osname;
305
be708cc0 306if ($Is_VMS || $Is_Dos || $Is_MacOS) {
44d95355 307 skip("%ENV manipulations fail or aren't safe on $^O") for 1..4;
66b1d557
HM
308}
309else {
da51b73c
MHM
310 if ($ENV{PERL_VALGRIND}) {
311 skip("clearing \%ENV is not safe when running under valgrind");
312 } else {
313 $PATH = $ENV{PATH};
314 $PDL = $ENV{PERL_DESTRUCT_LEVEL} || 0;
315 $ENV{foo} = "bar";
316 %ENV = ();
317 $ENV{PATH} = $PATH;
318 $ENV{PERL_DESTRUCT_LEVEL} = $PDL || 0;
319 ok ($Is_MSWin32 ? (`set foo 2>NUL` eq "")
320 : (`echo \$foo` eq "\n") );
321 }
3e3baf6d 322
ec00bdd8 323 $ENV{__NoNeSuCh} = "foo";
3e3baf6d 324 $0 = "bar";
26f6e342
NK
325# cmd.exe will echo 'variable=value' but 4nt will echo just the value
326# -- Nikola Knezevic
8efe09f7 327 ok ($Is_MSWin32 ? (`set __NoNeSuCh` =~ /^(?:__NoNeSuCh=)?foo$/)
ec00bdd8 328 : (`echo \$__NoNeSuCh` eq "foo\n") );
09fdc078
SR
329 if ($^O =~ /^(linux|freebsd)$/ &&
330 open CMDLINE, "/proc/$$/cmdline") {
331 chomp(my $line = scalar <CMDLINE>);
332 my $me = (split /\0/, $line)[0];
ecce83c2 333 ok($me eq $0, 'altering $0 is effective (testing with /proc/)');
09fdc078 334 close CMDLINE;
ecce83c2
JH
335 # perlbug #22811
336 my $mydollarzero = sub {
337 my($arg) = shift;
338 $0 = $arg if defined $arg;
fbd3c14b
SR
339 # In FreeBSD the ps -o command= will cause
340 # an empty header line, grab only the last line.
341 my $ps = (`ps -o command= -p $$`)[-1];
ecce83c2
JH
342 return if $?;
343 chomp $ps;
344 printf "# 0[%s]ps[%s]\n", $0, $ps;
345 $ps;
346 };
347 my $ps = $mydollarzero->("x");
e26ae24d 348 ok(!$ps # we allow that something goes wrong with the ps command
80bca1b4
JH
349 # In Linux 2.4 we would get an exact match ($ps eq 'x') but
350 # in Linux 2.2 there seems to be something funny going on:
351 # it seems as if the original length of the argv[] would
352 # be stored in the proc struct and then used by ps(1),
353 # no matter what characters we use to pad the argv[].
354 # (And if we use \0:s, they are shown as spaces.) Sigh.
355 || $ps =~ /^x\s*$/
6a4647a3
JH
356 # FreeBSD cannot get rid of both the leading "perl :"
357 # and the trailing " (perl)": some FreeBSD versions
358 # can get rid of the first one.
d2e0b13f 359 || ($^O eq 'freebsd' && $ps =~ m/^(?:perl: )?x(?: \(perl\))?$/),
e26ae24d 360 'altering $0 is effective (testing with `ps`)');
09fdc078 361 } else {
651aa52e 362 skip("\$0 check only on Linux and FreeBSD") for 0, 1;
09fdc078 363 }
66b1d557 364}
3e3baf6d 365
c7213721 366{
a45269de
MS
367 my $ok = 1;
368 my $warn = '';
369 local $SIG{'__WARN__'} = sub { $ok = 0; $warn = join '', @_; };
78987ded 370 $! = undef;
a45269de 371 ok($ok, $warn, $Is_VMS ? "'\$!=undef' does throw a warning" : '');
78987ded
HS
372}
373
902173a3
GS
374# test case-insignificance of %ENV (these tests must be enabled only
375# when perl is compiled with -DENV_IS_CASELESS)
2986a63f 376if ($Is_MSWin32 || $Is_NetWare) {
902173a3
GS
377 %ENV = ();
378 $ENV{'Foo'} = 'bar';
379 $ENV{'fOo'} = 'baz';
0bee926d
MS
380 ok (scalar(keys(%ENV)) == 1);
381 ok exists($ENV{'FOo'});
382 ok (delete($ENV{'foO'}) eq 'baz');
383 ok (scalar(keys(%ENV)) == 0);
902173a3
GS
384}
385else {
0bee926d 386 skip('no caseless %ENV support') for 1..4;
902173a3 387}
d2c93421 388
43651d81 389if ($Is_miniperl) {
13b238e6 390 skip ("miniperl can't rely on loading %Errno") for 1..2;
43651d81 391} else {
126c71c8
YST
392 no warnings 'void';
393
d2c93421
RH
394# Make sure Errno hasn't been prematurely autoloaded
395
b79f7545 396 ok !keys %Errno::;
d2c93421
RH
397
398# Test auto-loading of Errno when %! is used
399
126c71c8
YST
400 ok scalar eval q{
401 %!;
402 defined %Errno::;
403 }, $@;
404}
d2c93421 405
43651d81
NC
406if ($Is_miniperl) {
407 skip ("miniperl can't rely on loading %Errno");
408} else {
409 # Make sure that Errno loading doesn't clobber $!
d2c93421 410
43651d81
NC
411 undef %Errno::;
412 delete $INC{"Errno.pm"};
d2c93421 413
43651d81
NC
414 open(FOO, "nonesuch"); # Generate ENOENT
415 my %errs = %{"!"}; # Cause Errno.pm to be loaded at run-time
416 ok ${"!"}{ENOENT};
417}
a4268c0a 418
b0e6f864 419ok $^S == 0 && defined $^S;
0bee926d 420eval { ok $^S == 1 };
b0e6f864
RGS
421eval " BEGIN { ok ! defined \$^S } ";
422ok $^S == 0 && defined $^S;
7c36658b
MS
423
424ok ${^TAINT} == 0;
425eval { ${^TAINT} = 1 };
426ok ${^TAINT} == 0;
9aa702ec
MJD
427
428# 5.6.1 had a bug: @+ and @- were not properly interpolated
429# into double-quoted strings
430# 20020414 mjd-perl-patch+@plover.com
b64ebf53
JH
431"I like pie" =~ /(I) (like) (pie)/;
432ok "@-" eq "0 0 2 7";
433ok "@+" eq "10 1 6 10";
9aa702ec 434
f28098ff
RGS
435# Tests for the magic get of $\
436{
437 my $ok = 0;
438 # [perl #19330]
439 {
440 local $\ = undef;
441 $\++; $\++;
442 $ok = $\ eq 2;
443 }
444 ok $ok;
445 $ok = 0;
446 {
447 local $\ = "a\0b";
448 $ok = "a$\b" eq "aa\0bb";
449 }
450 ok $ok;
451}
547d1dd8
HS
452
453# Test for bug [perl #27839]
454{
455 my $x;
456 sub f {
457 "abc" =~ /(.)./;
458 $x = "@+";
459 return @+;
460 };
461 my @y = f();
462 ok( $x eq "@y", "return a magic array ($x) vs (@y)" );
463}
4c9140ed
RGS
464
465# Test for bug [perl #36434]
5ec759d9 466if (!$Is_VMS) {
4c9140ed
RGS
467 local @ISA;
468 local %ENV;
e1a479c5
BB
469 # This used to be __PACKAGE__, but that causes recursive
470 # inheritance, which is detected earlier now and broke
471 # this test
472 eval { push @ISA, __FILE__ };
d8084ca5 473 ok( $@ eq '', 'Push a constant on a magic array');
4c9140ed
RGS
474 $@ and print "# $@";
475 eval { %ENV = (PATH => __PACKAGE__) };
d8084ca5
DM
476 ok( $@ eq '', 'Assign a constant to a magic hash');
477 $@ and print "# $@";
478 eval { my %h = qw(A B); %ENV = (PATH => (keys %h)[0]) };
479 ok( $@ eq '', 'Assign a shared key to a magic hash');
4c9140ed
RGS
480 $@ and print "# $@";
481}
5ec759d9
JM
482else {
483# Can not do this test on VMS, EPOC, and SYMBIAN according to comments
484# in mg.c/Perl_magic_clear_all_env()
485#
486 skip('Can\'t make assignment to \%ENV on this system') for 1..3;
487}