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[perl5.git] / t / op / magic.t
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8d063cd8
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1#!./perl
2
90ce63d5 3BEGIN {
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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 $test = 1;
90ce63d5 14sub ok {
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15 my($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];
23 print "# $info" if defined $info;
90ce63d5 24 }
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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 $test++;
36 return 1;
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37}
38
7c36658b 39print "1..43\n";
0bee926d 40
3e3baf6d 41$Is_MSWin32 = $^O eq 'MSWin32';
2986a63f 42$Is_NetWare = $^O eq 'NetWare';
3e3baf6d 43$Is_VMS = $^O eq 'VMS';
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44$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 = $^O eq 'mpeix';
be708cc0 49
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50$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
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56# cmd.exe will echo 'variable=value' but 4nt will echo just the value
57# -- Nikola Knezevic
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58if ($Is_MSWin32) { ok `set FOO` =~ /^(FOO=)?hi there$/; }
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;
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71}
72else {
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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
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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
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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",$$; sleep 1; print "not ok 4\n";
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87
88 sub ok3 {
89 if (($x = pop(@_)) eq "INT") {
90 print "ok 3\n";
91 }
92 else {
652ed9f8 93 print "not ok 3 ($x @_)\n";
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94 }
95 }
96
97END
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98
99 close CMDPIPE;
100
fae3d9ea 101 $test += 2;
68dc0745 102}
a687059c 103
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104# can we slice ENV?
105@val1 = @ENV{keys(%ENV)};
a687059c 106@val2 = values(%ENV);
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107ok join(':',@val1) eq join(':',@val2);
108ok @val1 > 1;
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109
110# regex vars
111'foobarbaz' =~ /b(a)r/;
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112ok $` eq 'foo', $`;
113ok $& eq 'bar', $&;
114ok $' eq 'baz', $';
115ok $+ eq 'a', $+;
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116
117# $"
118@a = qw(foo bar baz);
0bee926d 119ok "@a" eq "foo bar baz", "@a";
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120{
121 local $" = ',';
0bee926d 122 ok "@a" eq "foo,bar,baz", "@a";
90ce63d5 123}
a687059c 124
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125# $;
126%h = ();
127$h{'foo', 'bar'} = 1;
0bee926d 128ok((keys %h)[0] eq "foo\034bar", (keys %h)[0]);
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129{
130 local $; = 'x';
131 %h = ();
132 $h{'foo', 'bar'} = 1;
0bee926d 133 ok((keys %h)[0] eq 'fooxbar', (keys %h)[0]);
90ce63d5 134}
ed6116ce 135
90ce63d5 136# $?, $@, $$
5aabfad6 137system qq[$PERL -e "exit(0)"];
0bee926d 138ok $? == 0, $?;
5aabfad6 139system qq[$PERL -e "exit(1)"];
0bee926d 140ok $? != 0, $?;
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141
142eval { die "foo\n" };
0bee926d 143ok $@ eq "foo\n", $@;
90ce63d5 144
0bee926d 145ok $$ > 0, $$;
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146
147# $^X and $0
ed37317b 148{
3e3baf6d 149 if ($^O eq 'qnx') {
7fbf1995 150 chomp($wd = `/usr/bin/fullpath -t`);
68dc0745 151 }
04fee9b5 152 elsif($Is_Cygwin || $Config{'d_procselfexe'}) {
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153 # Cygwin turns the symlink into the real file
154 chomp($wd = `pwd`);
155 $wd =~ s#/t$##;
156 }
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157 elsif($Is_os2) {
158 $wd = Cwd::sys_cwd();
159 }
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160 elsif($Is_MacOS) {
161 $wd = ':';
162 }
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163 else {
164 $wd = '.';
165 }
c363d00c 166 my $perl = ($Is_MacOS || $Is_VMS) ? $^X : "$wd/perl";
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167 my $headmaybe = '';
168 my $tailmaybe = '';
68dc0745 169 $script = "$wd/show-shebang";
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170 if ($Is_MSWin32) {
171 chomp($wd = `cd`);
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172 $wd =~ s|\\|/|g;
173 $perl = "$wd/perl.exe";
174 $script = "$wd/show-shebang.bat";
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175 $headmaybe = <<EOH ;
176\@rem ='
177\@echo off
178$perl -x \%0
179goto endofperl
180\@rem ';
181EOH
182 $tailmaybe = <<EOT ;
183
184__END__
185:endofperl
186EOT
187 }
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188 elsif ($Is_os2) {
189 $script = "./show-shebang";
190 }
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191 elsif ($Is_MacOS) {
192 $script = ":show-shebang";
193 }
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194 elsif ($Is_VMS) {
195 $script = "[]show-shebang";
be708cc0 196 }
a1a0e61e 197 if ($^O eq 'os390' or $^O eq 'posix-bc' or $^O eq 'vmesa') { # no shebang
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198 $headmaybe = <<EOH ;
199 eval 'exec ./perl -S \$0 \${1+"\$\@"}'
200 if 0;
201EOH
202 }
2eecd615 203 $s1 = "\$^X is $perl, \$0 is $script\n";
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204 ok open(SCRIPT, ">$script"), $!;
205 ok print(SCRIPT $headmaybe . <<EOB . <<'EOF' . $tailmaybe), $!;
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206#!$wd/perl
207EOB
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208print "\$^X is $^X, \$0 is $0\n";
209EOF
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210 ok close(SCRIPT), $!;
211 ok chmod(0755, $script), $!;
c363d00c 212 $_ = ($Is_MacOS || $Is_VMS) ? `$perl $script` : `$script`;
ed344e4f 213 s/\.exe//i if $Is_Dos or $Is_Cygwin or $Is_os2;
68dc0745 214 s{\bminiperl\b}{perl}; # so that test doesn't fail with miniperl
ed37317b 215 s{is perl}{is $perl}; # for systems where $^X is only a basename
a6c40364 216 s{\\}{/}g;
0bee926d 217 ok((($Is_MSWin32 || $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1:");
ed37317b 218 $_ = `$perl $script`;
ed344e4f 219 s/\.exe//i if $Is_Dos or $Is_os2;
a6c40364 220 s{\\}{/}g;
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221 ok((($Is_MSWin32 || $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1: after `$perl $script`");
222 ok unlink($script), $!;
68dc0745 223}
ed6116ce 224
90ce63d5 225# $], $^O, $^T
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226ok $] >= 5.00319, $];
227ok $^O;
228ok $^T > 850000000, $^T;
66b1d557 229
be708cc0 230if ($Is_VMS || $Is_Dos || $Is_MacOS) {
c363d00c 231 skip("%ENV manipulations fail or aren't safe on $^O") for 1..2;
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232}
233else {
3e3baf6d 234 $PATH = $ENV{PATH};
7ddf2a0a 235 $PDL = $ENV{PERL_DESTRUCT_LEVEL} || 0;
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236 $ENV{foo} = "bar";
237 %ENV = ();
238 $ENV{PATH} = $PATH;
7ddf2a0a 239 $ENV{PERL_DESTRUCT_LEVEL} = $PDL || 0;
0bee926d 240 ok ($Is_MSWin32 ? (`set foo 2>NUL` eq "")
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241 : (`echo \$foo` eq "\n") );
242
ec00bdd8 243 $ENV{__NoNeSuCh} = "foo";
3e3baf6d 244 $0 = "bar";
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245# cmd.exe will echo 'variable=value' but 4nt will echo just the value
246# -- Nikola Knezevic
0bee926d 247 ok ($Is_MSWin32 ? (`set __NoNeSuCh` =~ /^(__NoNeSuCh=)?foo$/)
ec00bdd8 248 : (`echo \$__NoNeSuCh` eq "foo\n") );
66b1d557 249}
3e3baf6d 250
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251if ($Is_VMS) {
252 ok(1,0,"'\$!=undef' does throw a warning");
253}
254else {
2eecd615 255 local $SIG{'__WARN__'} = sub { print "# @_\nnot " };
78987ded 256 $! = undef;
0bee926d 257 ok 1;
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258}
259
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260# test case-insignificance of %ENV (these tests must be enabled only
261# when perl is compiled with -DENV_IS_CASELESS)
2986a63f 262if ($Is_MSWin32 || $Is_NetWare) {
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263 %ENV = ();
264 $ENV{'Foo'} = 'bar';
265 $ENV{'fOo'} = 'baz';
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266 ok (scalar(keys(%ENV)) == 1);
267 ok exists($ENV{'FOo'});
268 ok (delete($ENV{'foO'}) eq 'baz');
269 ok (scalar(keys(%ENV)) == 0);
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270}
271else {
0bee926d 272 skip('no caseless %ENV support') for 1..4;
902173a3 273}
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274
275# Make sure Errno hasn't been prematurely autoloaded
276
0bee926d 277ok !defined %Errno::;
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278
279# Test auto-loading of Errno when %! is used
280
0bee926d 281ok scalar eval q{
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282 my $errs = %!;
283 defined %Errno::;
284}, $@;
285
286
287# Make sure that Errno loading doesn't clobber $!
288
289undef %Errno::;
290delete $INC{"Errno.pm"};
291
292open(FOO, "nonesuch"); # Generate ENOENT
293my %errs = %{"!"}; # Cause Errno.pm to be loaded at run-time
0bee926d 294ok ${"!"}{ENOENT};
a4268c0a 295
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296ok $^S == 0;
297eval { ok $^S == 1 };
298ok $^S == 0;
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299
300ok ${^TAINT} == 0;
301eval { ${^TAINT} = 1 };
302ok ${^TAINT} == 0;