This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
save_re_context() was not saving many regexec.c state
[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 $test++;
36 return 1;
90ce63d5
RS
37}
38
b0e6f864 39print "1..48\n";
0bee926d 40
3e3baf6d 41$Is_MSWin32 = $^O eq 'MSWin32';
2986a63f 42$Is_NetWare = $^O eq 'NetWare';
3e3baf6d 43$Is_VMS = $^O eq 'VMS';
be708cc0
JH
44$Is_Dos = $^O eq 'dos';
45$Is_os2 = $^O eq 'os2';
46$Is_Cygwin = $^O eq 'cygwin';
47$Is_MacOS = $^O eq 'MacOS';
dc22e1c4 48$Is_MPE = $^O eq 'mpeix';
be708cc0 49
c363d00c
CB
50$PERL = ($Is_NetWare ? 'perl' :
51 ($Is_MacOS || $Is_VMS) ? $^X :
52 $Is_MSWin32 ? '.\perl' :
be708cc0 53 './perl');
68dc0745 54
39e571d4 55eval '$ENV{"FOO"} = "hi there";'; # check that ENV is inited inside eval
26f6e342
NK
56# cmd.exe will echo 'variable=value' but 4nt will echo just the value
57# -- Nikola Knezevic
8efe09f7 58if ($Is_MSWin32) { ok `set FOO` =~ /^(?:FOO=)?hi there$/; }
be708cc0 59elsif ($Is_MacOS) { ok "1 # skipped", 1; }
c363d00c 60elsif ($Is_VMS) { ok `write sys\$output f\$trnlnm("FOO")` eq "hi there\n"; }
be708cc0 61else { ok `echo \$FOO` eq "hi there\n"; }
8d063cd8 62
bf38876a 63unlink 'ajslkdfpqjsjfk';
8d063cd8 64$! = 0;
90ce63d5 65open(FOO,'ajslkdfpqjsjfk');
0bee926d 66ok $!, $!;
90ce63d5 67close FOO; # just mention it, squelch used-only-once
8d063cd8 68
be708cc0 69if ($Is_MSWin32 || $Is_NetWare || $Is_Dos || $Is_MPE || $Is_MacOS) {
124f2019 70 skip('SIGINT not safe on this platform') for 1..2;
68dc0745
PP
71}
72else {
c363d00c
CB
73 # the next tests are done in a subprocess because sh spits out a
74 # newline onto stderr when a child process kills itself with SIGINT.
04fee9b5 75 # We use a pipe rather than system() because the VMS command buffer
c363d00c
CB
76 # would overflow with a command that long.
77
78 open( CMDPIPE, "| $PERL");
79
80 print CMDPIPE <<'END';
378cc40b 81
79072805 82 $| = 1; # command buffering
378cc40b 83
b715f106
MB
84 $SIG{"INT"} = "ok3"; kill "INT",$$; sleep 1;
85 $SIG{"INT"} = "IGNORE"; kill "INT",$$; sleep 1; print "ok 4\n";
0bee926d 86 $SIG{"INT"} = "DEFAULT"; kill "INT",$$; sleep 1; print "not ok 4\n";
79072805
LW
87
88 sub ok3 {
89 if (($x = pop(@_)) eq "INT") {
90 print "ok 3\n";
91 }
92 else {
652ed9f8 93 print "not ok 3 ($x @_)\n";
79072805
LW
94 }
95 }
96
97END
c363d00c
CB
98
99 close CMDPIPE;
100
fae3d9ea 101 $test += 2;
68dc0745 102}
a687059c 103
68dc0745
PP
104# can we slice ENV?
105@val1 = @ENV{keys(%ENV)};
a687059c 106@val2 = values(%ENV);
0bee926d
MS
107ok join(':',@val1) eq join(':',@val2);
108ok @val1 > 1;
90ce63d5
RS
109
110# regex vars
111'foobarbaz' =~ /b(a)r/;
0bee926d
MS
112ok $` eq 'foo', $`;
113ok $& eq 'bar', $&;
114ok $' eq 'baz', $';
115ok $+ eq 'a', $+;
90ce63d5
RS
116
117# $"
118@a = qw(foo bar baz);
0bee926d 119ok "@a" eq "foo bar baz", "@a";
90ce63d5
RS
120{
121 local $" = ',';
0bee926d 122 ok "@a" eq "foo,bar,baz", "@a";
90ce63d5 123}
a687059c 124
90ce63d5
RS
125# $;
126%h = ();
127$h{'foo', 'bar'} = 1;
0bee926d 128ok((keys %h)[0] eq "foo\034bar", (keys %h)[0]);
90ce63d5
RS
129{
130 local $; = 'x';
131 %h = ();
132 $h{'foo', 'bar'} = 1;
0bee926d 133 ok((keys %h)[0] eq 'fooxbar', (keys %h)[0]);
90ce63d5 134}
ed6116ce 135
90ce63d5 136# $?, $@, $$
dc459aad
JH
137if ($Is_MacOS) {
138 skip('$? + system are broken on MacPerl') for 1..2;
139}
140else {
141 system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(0)"];
142 ok $? == 0, $?;
143 system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(1)"];
144 ok $? != 0, $?;
145}
90ce63d5
RS
146
147eval { die "foo\n" };
0bee926d 148ok $@ eq "foo\n", $@;
90ce63d5 149
0bee926d 150ok $$ > 0, $$;
306196c3
MS
151eval { $$++ };
152ok $@ =~ /^Modification of a read-only value attempted/;
90ce63d5
RS
153
154# $^X and $0
ed37317b 155{
3e3baf6d 156 if ($^O eq 'qnx') {
7fbf1995 157 chomp($wd = `/usr/bin/fullpath -t`);
68dc0745 158 }
04fee9b5 159 elsif($Is_Cygwin || $Config{'d_procselfexe'}) {
1cab015a
FE
160 # Cygwin turns the symlink into the real file
161 chomp($wd = `pwd`);
162 $wd =~ s#/t$##;
163 }
ed344e4f
IZ
164 elsif($Is_os2) {
165 $wd = Cwd::sys_cwd();
166 }
be708cc0
JH
167 elsif($Is_MacOS) {
168 $wd = ':';
169 }
68dc0745
PP
170 else {
171 $wd = '.';
172 }
c363d00c 173 my $perl = ($Is_MacOS || $Is_VMS) ? $^X : "$wd/perl";
ed37317b
TB
174 my $headmaybe = '';
175 my $tailmaybe = '';
68dc0745 176 $script = "$wd/show-shebang";
ed37317b
TB
177 if ($Is_MSWin32) {
178 chomp($wd = `cd`);
8ac9c18d
GS
179 $wd =~ s|\\|/|g;
180 $perl = "$wd/perl.exe";
181 $script = "$wd/show-shebang.bat";
ed37317b
TB
182 $headmaybe = <<EOH ;
183\@rem ='
184\@echo off
185$perl -x \%0
186goto endofperl
187\@rem ';
188EOH
189 $tailmaybe = <<EOT ;
190
191__END__
192:endofperl
193EOT
194 }
ed344e4f
IZ
195 elsif ($Is_os2) {
196 $script = "./show-shebang";
197 }
be708cc0
JH
198 elsif ($Is_MacOS) {
199 $script = ":show-shebang";
200 }
c363d00c
CB
201 elsif ($Is_VMS) {
202 $script = "[]show-shebang";
be708cc0 203 }
a1a0e61e 204 if ($^O eq 'os390' or $^O eq 'posix-bc' or $^O eq 'vmesa') { # no shebang
9d116dd7
JH
205 $headmaybe = <<EOH ;
206 eval 'exec ./perl -S \$0 \${1+"\$\@"}'
207 if 0;
208EOH
209 }
2eecd615 210 $s1 = "\$^X is $perl, \$0 is $script\n";
0bee926d
MS
211 ok open(SCRIPT, ">$script"), $!;
212 ok print(SCRIPT $headmaybe . <<EOB . <<'EOF' . $tailmaybe), $!;
774d564b
PP
213#!$wd/perl
214EOB
90ce63d5
RS
215print "\$^X is $^X, \$0 is $0\n";
216EOF
0bee926d
MS
217 ok close(SCRIPT), $!;
218 ok chmod(0755, $script), $!;
c363d00c 219 $_ = ($Is_MacOS || $Is_VMS) ? `$perl $script` : `$script`;
ed344e4f 220 s/\.exe//i if $Is_Dos or $Is_Cygwin or $Is_os2;
68dc0745 221 s{\bminiperl\b}{perl}; # so that test doesn't fail with miniperl
ed37317b 222 s{is perl}{is $perl}; # for systems where $^X is only a basename
a6c40364 223 s{\\}{/}g;
0bee926d 224 ok((($Is_MSWin32 || $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1:");
ed37317b 225 $_ = `$perl $script`;
ed344e4f 226 s/\.exe//i if $Is_Dos or $Is_os2;
a6c40364 227 s{\\}{/}g;
0bee926d 228 ok((($Is_MSWin32 || $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1: after `$perl $script`");
22fc9b38 229 ok unlink($script), $!;
68dc0745 230}
ed6116ce 231
90ce63d5 232# $], $^O, $^T
0bee926d
MS
233ok $] >= 5.00319, $];
234ok $^O;
235ok $^T > 850000000, $^T;
66b1d557 236
be708cc0 237if ($Is_VMS || $Is_Dos || $Is_MacOS) {
09fdc078 238 skip("%ENV manipulations fail or aren't safe on $^O") for 1..3;
66b1d557
HM
239}
240else {
3e3baf6d 241 $PATH = $ENV{PATH};
7ddf2a0a 242 $PDL = $ENV{PERL_DESTRUCT_LEVEL} || 0;
3e3baf6d
TB
243 $ENV{foo} = "bar";
244 %ENV = ();
245 $ENV{PATH} = $PATH;
7ddf2a0a 246 $ENV{PERL_DESTRUCT_LEVEL} = $PDL || 0;
0bee926d 247 ok ($Is_MSWin32 ? (`set foo 2>NUL` eq "")
3e3baf6d
TB
248 : (`echo \$foo` eq "\n") );
249
ec00bdd8 250 $ENV{__NoNeSuCh} = "foo";
3e3baf6d 251 $0 = "bar";
26f6e342
NK
252# cmd.exe will echo 'variable=value' but 4nt will echo just the value
253# -- Nikola Knezevic
8efe09f7 254 ok ($Is_MSWin32 ? (`set __NoNeSuCh` =~ /^(?:__NoNeSuCh=)?foo$/)
ec00bdd8 255 : (`echo \$__NoNeSuCh` eq "foo\n") );
09fdc078
SR
256 if ($^O =~ /^(linux|freebsd)$/ &&
257 open CMDLINE, "/proc/$$/cmdline") {
258 chomp(my $line = scalar <CMDLINE>);
259 my $me = (split /\0/, $line)[0];
e2975953 260 ok($me eq $0, 'altering $0 is effective');
09fdc078
SR
261 close CMDLINE;
262 } else {
263 skip("\$0 check only on Linux and FreeBSD with /proc");
264 }
66b1d557 265}
3e3baf6d 266
c7213721 267{
a45269de
MS
268 my $ok = 1;
269 my $warn = '';
270 local $SIG{'__WARN__'} = sub { $ok = 0; $warn = join '', @_; };
78987ded 271 $! = undef;
a45269de 272 ok($ok, $warn, $Is_VMS ? "'\$!=undef' does throw a warning" : '');
78987ded
HS
273}
274
902173a3
GS
275# test case-insignificance of %ENV (these tests must be enabled only
276# when perl is compiled with -DENV_IS_CASELESS)
2986a63f 277if ($Is_MSWin32 || $Is_NetWare) {
902173a3
GS
278 %ENV = ();
279 $ENV{'Foo'} = 'bar';
280 $ENV{'fOo'} = 'baz';
0bee926d
MS
281 ok (scalar(keys(%ENV)) == 1);
282 ok exists($ENV{'FOo'});
283 ok (delete($ENV{'foO'}) eq 'baz');
284 ok (scalar(keys(%ENV)) == 0);
902173a3
GS
285}
286else {
0bee926d 287 skip('no caseless %ENV support') for 1..4;
902173a3 288}
d2c93421
RH
289
290# Make sure Errno hasn't been prematurely autoloaded
291
0bee926d 292ok !defined %Errno::;
d2c93421
RH
293
294# Test auto-loading of Errno when %! is used
295
0bee926d 296ok scalar eval q{
d2c93421
RH
297 my $errs = %!;
298 defined %Errno::;
299}, $@;
300
301
302# Make sure that Errno loading doesn't clobber $!
303
304undef %Errno::;
305delete $INC{"Errno.pm"};
306
307open(FOO, "nonesuch"); # Generate ENOENT
308my %errs = %{"!"}; # Cause Errno.pm to be loaded at run-time
0bee926d 309ok ${"!"}{ENOENT};
a4268c0a 310
b0e6f864 311ok $^S == 0 && defined $^S;
0bee926d 312eval { ok $^S == 1 };
b0e6f864
RGS
313eval " BEGIN { ok ! defined \$^S } ";
314ok $^S == 0 && defined $^S;
7c36658b
MS
315
316ok ${^TAINT} == 0;
317eval { ${^TAINT} = 1 };
318ok ${^TAINT} == 0;
9aa702ec
MJD
319
320# 5.6.1 had a bug: @+ and @- were not properly interpolated
321# into double-quoted strings
322# 20020414 mjd-perl-patch+@plover.com
b64ebf53
JH
323"I like pie" =~ /(I) (like) (pie)/;
324ok "@-" eq "0 0 2 7";
325ok "@+" eq "10 1 6 10";
9aa702ec 326