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