This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Make filetest ops handle get-magic correctly for glob(ref)s
[perl5.git] / t / op / filetest.t
CommitLineData
42e55ab1
JH
1#!./perl
2
3# There are few filetest operators that are portable enough to test.
4# See pod/perlport.pod for details.
5
6BEGIN {
7 chdir 't' if -d 't';
20822f61 8 @INC = '../lib';
fbb0b3b3 9 require './test.pl';
42e55ab1
JH
10}
11
eb57363f 12use Config;
ca867162 13plan(tests => 29 + 27*14);
42e55ab1 14
fbb0b3b3
RGS
15ok( -d 'op' );
16ok( -f 'TEST' );
17ok( !-f 'op' );
18ok( !-d 'TEST' );
19ok( -r 'TEST' );
42e55ab1 20
d4188802
NC
21# Make a read only file
22my $ro_file = tempfile();
23
24{
25 open my $fh, '>', $ro_file or die "open $fh: $!";
26 close $fh or die "close $fh: $!";
27}
28
29chmod 0555, $ro_file or die "chmod 0555, '$ro_file' failed: $!";
846f25a3
GW
30
31$oldeuid = $>; # root can read and write anything
32eval '$> = 1'; # so switch uid (may not be implemented)
33
34print "# oldeuid = $oldeuid, euid = $>\n";
35
fbb0b3b3
RGS
36SKIP: {
37 if (!$Config{d_seteuid}) {
38 skip('no seteuid');
39 }
fbb0b3b3 40 else {
d4188802 41 ok( !-w $ro_file );
fbb0b3b3 42 }
22c35a8c 43}
42e55ab1 44
846f25a3 45# Scripts are not -x everywhere so cannot test that.
42e55ab1 46
fd1e013e
F
47eval '$> = $oldeuid'; # switch uid back (may not be implemented)
48
49# this would fail for the euid 1
50# (unless we have unpacked the source code as uid 1...)
fbb0b3b3 51ok( -r 'op' );
42e55ab1 52
846f25a3
GW
53# this would fail for the euid 1
54# (unless we have unpacked the source code as uid 1...)
fbb0b3b3
RGS
55SKIP: {
56 if ($Config{d_seteuid}) {
57 ok( -w 'op' );
58 } else {
59 skip('no seteuid');
60 }
3eeba6fb 61}
42e55ab1 62
fbb0b3b3
RGS
63ok( -x 'op' ); # Hohum. Are directories -x everywhere?
64
65is( "@{[grep -r, qw(foo io noo op zoo)]}", "io op" );
66
67# Test stackability of filetest operators
42e55ab1 68
fbb0b3b3
RGS
69ok( defined( -f -d 'TEST' ) && ! -f -d _ );
70ok( !defined( -e 'zoo' ) );
71ok( !defined( -e -d 'zoo' ) );
72ok( !defined( -f -e 'zoo' ) );
73ok( -f -e 'TEST' );
74ok( -e -f 'TEST' );
75ok( defined(-d -e 'TEST') );
76ok( defined(-e -d 'TEST') );
77ok( ! -f -d 'op' );
78ok( -x -d -x 'op' );
79ok( (-s -f 'TEST' > 1), "-s returns real size" );
80ok( -f -s 'TEST' == 1 );
7294df96 81
e7d3eb55 82# now with an empty file
1ab9acc5
B
83my $tempfile = tempfile();
84open my $fh, ">", $tempfile;
e7d3eb55 85close $fh;
1ab9acc5
B
86ok( -f $tempfile );
87is( -s $tempfile, 0 );
88is( -f -s $tempfile, 0 );
89is( -s -f $tempfile, 0 );
15f2ab62 90unlink_all $tempfile;
e7d3eb55 91
7294df96
RGS
92# test that _ is a bareword after filetest operators
93
94-f 'TEST';
95ok( -f _ );
96sub _ { "this is not a file name" }
97ok( -f _ );
d89f1457
BM
98
99my $over;
100{
101 package OverFtest;
102
4d57d24f 103 use overload
c1d4704a 104 fallback => 1,
4d57d24f 105 -X => sub {
c1d4704a 106 $over = [qq($_[0]), $_[1]];
4d57d24f
BM
107 "-$_[1]";
108 };
d89f1457 109}
f6aa8023
BM
110{
111 package OverString;
112
113 # No fallback. -X should fall back to string overload even without
114 # it.
115 use overload q/""/ => sub { $over = 1; "TEST" };
116}
117{
118 package OverBoth;
119
120 use overload
121 q/""/ => sub { "TEST" },
122 -X => sub { "-$_[1]" };
123}
124{
125 package OverNeither;
126
4d57d24f 127 # Need fallback. Previous versions of perl required 'fallback' to do
f6aa8023
BM
128 # -X operations on an object with no "" overload.
129 use overload
130 '+' => sub { 1 },
131 fallback => 1;
132}
133
134my $ft = bless [], "OverFtest";
c1d4704a 135my $ftstr = qq($ft);
f6aa8023
BM
136my $str = bless [], "OverString";
137my $both = bless [], "OverBoth";
138my $neither = bless [], "OverNeither";
c1d4704a 139my $nstr = qq($neither);
d89f1457 140
d0c91b6a
BM
141open my $gv, "<", "TEST";
142bless $gv, "OverString";
143open my $io, "<", "TEST";
144$io = *{$io}{IO};
145bless $io, "OverString";
146
822146ea
RGS
147my $fcntl_not_available;
148eval { require Fcntl } or $fcntl_not_available = 1;
fa7f7498 149
d89f1457 150for my $op (split //, "rwxoRWXOezsfdlpSbctugkTMBAC") {
d3ebc3eb 151 $over = [];
f6aa8023
BM
152 ok( my $rv = eval "-$op \$ft", "overloaded -$op succeeds" )
153 or diag( $@ );
154 is( $over->[0], $ftstr, "correct object for overloaded -$op" );
d89f1457
BM
155 is( $over->[1], $op, "correct op for overloaded -$op" );
156 is( $rv, "-$op", "correct return value for overloaded -$op");
f6aa8023 157
fa7f7498 158 my ($exp, $is) = (1, "is");
159 if (
822146ea 160 !$fcntl_not_available and (
fa7f7498 161 $op eq "u" and not eval { Fcntl::S_ISUID() } or
162 $op eq "g" and not eval { Fcntl::S_ISGID() } or
163 $op eq "k" and not eval { Fcntl::S_ISVTX() }
822146ea 164 )
fa7f7498 165 ) {
166 ($exp, $is) = (0, "not");
167 }
168
f6aa8023
BM
169 $over = 0;
170 $rv = eval "-$op \$str";
171 ok( !$@, "-$op succeeds with string overloading" )
172 or diag( $@ );
173 is( $rv, eval "-$op 'TEST'", "correct -$op on string overload" );
fa7f7498 174 is( $over, $exp, "string overload $is called for -$op" );
f6aa8023 175
fa7f7498 176 ($exp, $is) = $op eq "l" ? (1, "is") : (0, "not");
d0c91b6a
BM
177
178 $over = 0;
179 eval "-$op \$gv";
180 is( $over, $exp, "string overload $is called for -$op on GLOB" );
181
52f7f5ab
BM
182 # IO refs always get string overload called. This might be a bug.
183 $op eq "t" || $op eq "T" || $op eq "B"
184 and ($exp, $is) = (1, "is");
185
d0c91b6a
BM
186 $over = 0;
187 eval "-$op \$io";
188 is( $over, $exp, "string overload $is called for -$op on IO");
189
f6aa8023
BM
190 $rv = eval "-$op \$both";
191 is( $rv, "-$op", "correct -$op on string/-X overload" );
192
193 $rv = eval "-$op \$neither";
194 ok( !$@, "-$op succeeds with random overloading" )
195 or diag( $@ );
196 is( $rv, eval "-$op \$nstr", "correct -$op with random overloading" );
f6aa8023 197
4d57d24f
BM
198 is( eval "-r -$op \$ft", "-r", "stacked overloaded -$op" );
199 is( eval "-$op -r \$ft", "-$op", "overloaded stacked -$op" );
200}
ca867162
FC
201
202# -l stack corruption: this bug occurred from 5.8 to 5.14
203{
204 push my @foo, "bar", -l baz;
205 is $foo[0], "bar", '-l bareword does not corrupt the stack';
206}