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perldiag.pod
[perl5.git] / t / op / magic.t
CommitLineData
8d063cd8
LW
1#!./perl
2
90ce63d5 3BEGIN {
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4 $| = 1;
5 chdir 't' if -d 't';
20822f61 6 @INC = '../lib';
774d564b 7 $SIG{__WARN__} = sub { die "Dying on warning: ", @_ };
90ce63d5 8}
8d063cd8 9
9f1b1f2d
GS
10use warnings;
11
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RS
12sub ok {
13 my ($n, $result, $info) = @_;
14 if ($result) {
15 print "ok $n\n";
16 }
17 else {
18 print "not ok $n\n";
19 print "# $info\n" if $info;
20 }
21}
22
3e3baf6d 23$Is_MSWin32 = $^O eq 'MSWin32';
2986a63f 24$Is_NetWare = $^O eq 'NetWare';
3e3baf6d 25$Is_VMS = $^O eq 'VMS';
39e571d4 26$Is_Dos = $^O eq 'dos';
ed344e4f 27$Is_os2 = $^O eq 'os2';
4fabb596 28$Is_Cygwin = $^O eq 'cygwin';
dc22e1c4 29$Is_MPE = $^O eq 'mpeix';
2986a63f 30$PERL = ($Is_MSWin32 ? '.\perl' : ($Is_NetWare ? 'perl' : './perl'));
68dc0745 31
65b8483b 32print "1..41\n";
378cc40b 33
39e571d4 34eval '$ENV{"FOO"} = "hi there";'; # check that ENV is inited inside eval
26f6e342
NK
35# cmd.exe will echo 'variable=value' but 4nt will echo just the value
36# -- Nikola Knezevic
37if ($Is_MSWin32) { ok 1, `set FOO` =~ /^(FOO=)?hi there$/; }
39e571d4 38else { ok 1, `echo \$FOO` eq "hi there\n"; }
8d063cd8 39
bf38876a 40unlink 'ajslkdfpqjsjfk';
8d063cd8 41$! = 0;
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42open(FOO,'ajslkdfpqjsjfk');
43ok 2, $!, $!;
44close FOO; # just mention it, squelch used-only-once
8d063cd8 45
dc22e1c4 46if ($Is_MSWin32 || $Is_NetWare || $Is_Dos || $Is_MPE) {
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47 ok "3 # skipped",1;
48 ok "4 # skipped",1;
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PP
49}
50else {
51 # the next tests are embedded inside system simply because sh spits out
52 # a newline onto stderr when a child process kills itself with SIGINT.
53 system './perl', '-e', <<'END';
378cc40b 54
79072805 55 $| = 1; # command buffering
378cc40b 56
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57 $SIG{"INT"} = "ok3"; kill "INT",$$; sleep 1;
58 $SIG{"INT"} = "IGNORE"; kill "INT",$$; sleep 1; print "ok 4\n";
59 $SIG{"INT"} = "DEFAULT"; kill "INT",$$; sleep 1; print "not ok\n";
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60
61 sub ok3 {
62 if (($x = pop(@_)) eq "INT") {
63 print "ok 3\n";
64 }
65 else {
652ed9f8 66 print "not ok 3 ($x @_)\n";
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LW
67 }
68 }
69
70END
68dc0745 71}
a687059c 72
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PP
73# can we slice ENV?
74@val1 = @ENV{keys(%ENV)};
a687059c 75@val2 = values(%ENV);
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76ok 5, join(':',@val1) eq join(':',@val2);
77ok 6, @val1 > 1;
78
79# regex vars
80'foobarbaz' =~ /b(a)r/;
81ok 7, $` eq 'foo', $`;
82ok 8, $& eq 'bar', $&;
83ok 9, $' eq 'baz', $';
84ok 10, $+ eq 'a', $+;
85
86# $"
87@a = qw(foo bar baz);
88ok 11, "@a" eq "foo bar baz", "@a";
89{
90 local $" = ',';
91 ok 12, "@a" eq "foo,bar,baz", "@a";
92}
a687059c 93
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94# $;
95%h = ();
96$h{'foo', 'bar'} = 1;
97ok 13, (keys %h)[0] eq "foo\034bar", (keys %h)[0];
98{
99 local $; = 'x';
100 %h = ();
101 $h{'foo', 'bar'} = 1;
102 ok 14, (keys %h)[0] eq 'fooxbar', (keys %h)[0];
103}
ed6116ce 104
90ce63d5 105# $?, $@, $$
5aabfad6 106system qq[$PERL -e "exit(0)"];
90ce63d5 107ok 15, $? == 0, $?;
5aabfad6 108system qq[$PERL -e "exit(1)"];
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109ok 16, $? != 0, $?;
110
111eval { die "foo\n" };
112ok 17, $@ eq "foo\n", $@;
113
114ok 18, $$ > 0, $$;
115
116# $^X and $0
ed37317b 117{
3e3baf6d 118 if ($^O eq 'qnx') {
7fbf1995 119 chomp($wd = `/usr/bin/fullpath -t`);
68dc0745 120 }
1cab015a
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121 elsif($Is_Cygwin) {
122 # Cygwin turns the symlink into the real file
123 chomp($wd = `pwd`);
124 $wd =~ s#/t$##;
125 }
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126 elsif($Is_os2) {
127 $wd = Cwd::sys_cwd();
128 }
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129 else {
130 $wd = '.';
131 }
ed37317b
TB
132 my $perl = "$wd/perl";
133 my $headmaybe = '';
134 my $tailmaybe = '';
68dc0745 135 $script = "$wd/show-shebang";
ed37317b
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136 if ($Is_MSWin32) {
137 chomp($wd = `cd`);
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138 $wd =~ s|\\|/|g;
139 $perl = "$wd/perl.exe";
140 $script = "$wd/show-shebang.bat";
ed37317b
TB
141 $headmaybe = <<EOH ;
142\@rem ='
143\@echo off
144$perl -x \%0
145goto endofperl
146\@rem ';
147EOH
148 $tailmaybe = <<EOT ;
149
150__END__
151:endofperl
152EOT
153 }
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154 elsif ($Is_os2) {
155 $script = "./show-shebang";
156 }
a1a0e61e 157 if ($^O eq 'os390' or $^O eq 'posix-bc' or $^O eq 'vmesa') { # no shebang
9d116dd7
JH
158 $headmaybe = <<EOH ;
159 eval 'exec ./perl -S \$0 \${1+"\$\@"}'
160 if 0;
161EOH
162 }
2eecd615 163 $s1 = "\$^X is $perl, \$0 is $script\n";
68dc0745 164 ok 19, open(SCRIPT, ">$script"), $!;
ed37317b 165 ok 20, print(SCRIPT $headmaybe . <<EOB . <<'EOF' . $tailmaybe), $!;
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PP
166#!$wd/perl
167EOB
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168print "\$^X is $^X, \$0 is $0\n";
169EOF
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170 ok 21, close(SCRIPT), $!;
171 ok 22, chmod(0755, $script), $!;
172 $_ = `$script`;
ed344e4f 173 s/\.exe//i if $Is_Dos or $Is_Cygwin or $Is_os2;
68dc0745 174 s{\bminiperl\b}{perl}; # so that test doesn't fail with miniperl
ed37317b 175 s{is perl}{is $perl}; # for systems where $^X is only a basename
a6c40364 176 s{\\}{/}g;
ed344e4f 177 ok 23, (($Is_MSWin32 || $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1:";
ed37317b 178 $_ = `$perl $script`;
ed344e4f 179 s/\.exe//i if $Is_Dos or $Is_os2;
a6c40364 180 s{\\}{/}g;
ed344e4f 181 ok 24, (($Is_MSWin32 || $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1: after `$perl $script`";
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PP
182 ok 25, unlink($script), $!;
183}
ed6116ce 184
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185# $], $^O, $^T
186ok 26, $] >= 5.00319, $];
187ok 27, $^O;
188ok 28, $^T > 850000000, $^T;
66b1d557 189
39e571d4 190if ($Is_VMS || $Is_Dos) {
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191 ok "29 # skipped", 1;
192 ok "30 # skipped", 1;
66b1d557
HM
193}
194else {
3e3baf6d 195 $PATH = $ENV{PATH};
7ddf2a0a 196 $PDL = $ENV{PERL_DESTRUCT_LEVEL} || 0;
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TB
197 $ENV{foo} = "bar";
198 %ENV = ();
199 $ENV{PATH} = $PATH;
7ddf2a0a 200 $ENV{PERL_DESTRUCT_LEVEL} = $PDL || 0;
6d0cc0d7 201 ok 29, ($Is_MSWin32 ? (`set foo 2>NUL` eq "")
3e3baf6d
TB
202 : (`echo \$foo` eq "\n") );
203
ec00bdd8 204 $ENV{__NoNeSuCh} = "foo";
3e3baf6d 205 $0 = "bar";
26f6e342
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206# cmd.exe will echo 'variable=value' but 4nt will echo just the value
207# -- Nikola Knezevic
208 ok 30, ($Is_MSWin32 ? (`set __NoNeSuCh` =~ /^(__NoNeSuCh=)?foo$/)
ec00bdd8 209 : (`echo \$__NoNeSuCh` eq "foo\n") );
66b1d557 210}
3e3baf6d 211
78987ded 212{
2eecd615 213 local $SIG{'__WARN__'} = sub { print "# @_\nnot " };
78987ded
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214 $! = undef;
215 print "ok 31\n";
216}
217
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218# test case-insignificance of %ENV (these tests must be enabled only
219# when perl is compiled with -DENV_IS_CASELESS)
2986a63f 220if ($Is_MSWin32 || $Is_NetWare) {
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221 %ENV = ();
222 $ENV{'Foo'} = 'bar';
223 $ENV{'fOo'} = 'baz';
78987ded
HS
224 ok 32, (scalar(keys(%ENV)) == 1);
225 ok 33, exists($ENV{'FOo'});
226 ok 34, (delete($ENV{'foO'}) eq 'baz');
227 ok 35, (scalar(keys(%ENV)) == 0);
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228}
229else {
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230 ok "32 # skipped: no caseless %ENV support",1;
231 ok "33 # skipped: no caseless %ENV support",1;
232 ok "34 # skipped: no caseless %ENV support",1;
233 ok "35 # skipped: no caseless %ENV support",1;
902173a3 234}
d2c93421
RH
235
236# Make sure Errno hasn't been prematurely autoloaded
237
238ok 36, !defined %Errno::;
239
240# Test auto-loading of Errno when %! is used
241
242ok 37, scalar eval q{
243 my $errs = %!;
244 defined %Errno::;
245}, $@;
246
247
248# Make sure that Errno loading doesn't clobber $!
249
250undef %Errno::;
251delete $INC{"Errno.pm"};
252
253open(FOO, "nonesuch"); # Generate ENOENT
254my %errs = %{"!"}; # Cause Errno.pm to be loaded at run-time
255ok 38, ${"!"}{ENOENT};
a4268c0a
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256
257ok 39, $^S == 0;
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JH
258eval { ok 40, $^S == 1 };
259ok 41, $^S == 0;