stat.t revision 1.3
1#!./perl 2 3BEGIN { 4 chdir 't' if -d 't'; 5 @INC = '../lib'; 6} 7 8use strict; 9use warnings; 10use Test::More; 11use Config qw( %Config ); 12use File::Temp qw( tempfile tempdir ); 13 14use File::stat; 15 16my (undef, $file) = tempfile(UNLINK => 1); 17 18{ 19 my @stat = CORE::stat $file; 20 my $stat = File::stat::stat($file); 21 isa_ok($stat, 'File::stat', 'should build a stat object'); 22 is_deeply($stat, \@stat, '... and matches the builtin'); 23 24 my $i = 0; 25 foreach ([dev => 'device number'], 26 [ino => 'inode number'], 27 [mode => 'file mode'], 28 [nlink => 'number of links'], 29 [uid => 'owner uid'], 30 [gid => 'group id'], 31 [rdev => 'device identifier'], 32 [size => 'file size'], 33 [atime => 'last access time'], 34 [mtime => 'last modify time'], 35 [ctime => 'change time'], 36 [blksize => 'IO block size'], 37 [blocks => 'number of blocks']) { 38 my ($meth, $desc) = @$_; 39 # On OS/2 (fake) ino is not constant, it is incremented each time 40 SKIP: { 41 skip('inode number is not constant on OS/2', 1) 42 if $i == 1 && $^O eq 'os2'; 43 is($stat->$meth, $stat[$i], "$desc in position $i"); 44 } 45 ++$i; 46 } 47 48 my $stat2 = stat $file; 49 isa_ok($stat2, 'File::stat', 50 'File::stat exports stat, overriding the builtin'); 51 is_deeply($stat2, $stat, '... and matches the direct call'); 52} 53 54sub test_X_ops { 55 my ($file, $desc_tail, $skip) = @_; 56 my @stat = CORE::stat $file; 57 my $stat = File::stat::stat($file); 58 my $lstat = File::stat::lstat($file); 59 isa_ok($stat, 'File::stat', 'should build a stat object'); 60 61 for my $op (split //, "rwxoRWXOezsfdlpSbcugkMCA") { 62 if ($skip && $op =~ $skip) { 63 note("Not testing -A $desc_tail"); 64 next; 65 } 66 my $stat = $op eq 'l' ? $lstat : $stat; 67 for my $access ('', 'use filetest "access";') { 68 my ($warnings, $awarn, $vwarn, $rv); 69 my $desc = $access 70 ? "for -$op under use filetest 'access' $desc_tail" 71 : "for -$op $desc_tail"; 72 { 73 local $SIG{__WARN__} = sub { 74 my $w = shift; 75 if ($w =~ /^File::stat ignores VMS ACLs/) { 76 ++$vwarn; 77 } elsif ($w =~ /^File::stat ignores use filetest 'access'/) { 78 ++$awarn; 79 } else { 80 $warnings .= $w; 81 } 82 }; 83 $rv = eval "$access; -$op \$stat"; 84 } 85 is($@, '', "Overload succeeds $desc"); 86 87 if ($^O eq "VMS" && $op =~ /[rwxRWX]/) { 88 is($vwarn, 1, "warning about VMS ACLs $desc"); 89 } else { 90 is($rv, eval "-$op \$file", "correct overload $desc") 91 unless $access; 92 is($vwarn, undef, "no warnings about VMS ACLs $desc"); 93 } 94 95 # 111640 - File::stat bogus index check in overload 96 if ($access && $op =~ /[rwxRXW]/) { 97 # these should all warn with filetest access 98 is($awarn, 1, 99 "produced the right warning $desc"); 100 } else { 101 # -d and others shouldn't warn 102 is($awarn, undef, "should be no warning $desc") 103 } 104 105 is($warnings, undef, "no other warnings seen $desc"); 106 } 107 } 108} 109 110foreach ([file => $file], 111 [dir => tempdir(CLEANUP => 1)]) { 112 my ($what, $pathname) = @$_; 113 test_X_ops($pathname, "for $what $pathname"); 114 115 my $orig_mode = (CORE::stat $pathname)[2]; 116 117 my $mode = 01000; 118 while ($mode) { 119 $mode >>= 1; 120 my $mode_oct = sprintf "0%03o", $mode; 121 chmod $mode, $pathname or die "Can't chmod $mode_oct $pathname: $!"; 122 test_X_ops($pathname, "for $what with mode=$mode_oct"); 123 } 124 chmod $orig_mode, $pathname 125 or die "Can't restore permissions on $pathname to ", sprintf("%#o", $orig_mode); 126} 127 128SKIP: { 129 -e $^X && -x $^X or skip "$^X is not present and executable", 4; 130 $^O eq "VMS" and skip "File::stat ignores VMS ACLs", 4; 131 132 # Other tests running in parallel mean that $^X is read, updating its atime 133 test_X_ops($^X, "for $^X", qr/A/); 134} 135 136 137my $stat = File::stat::stat($file); 138isa_ok($stat, 'File::stat', 'should build a stat object'); 139 140for (split //, "tTB") { 141 eval "-$_ \$stat"; 142 like( $@, qr/\Q-$_ is not implemented/, "-$_ overload fails" ); 143} 144 145SKIP: { 146 local *STAT; 147 skip("Could not open file: $!", 2) unless open(STAT, '<', $file); 148 isa_ok(File::stat::stat('STAT'), 'File::stat', 149 '... should be able to find filehandle'); 150 151 package foo; 152 local *STAT = *main::STAT; 153 my $stat2 = File::stat::stat('STAT'); 154 main::isa_ok($stat2, 'File::stat', 155 '... and filehandle in another package'); 156 close STAT; 157 158# VOS open() updates atime; ignore this error (posix-975). 159 my $stat3 = $stat2; 160 if ($^O eq 'vos') { 161 $$stat3[8] = $$stat[8]; 162 } 163 164 main::skip("Win32: different stat-info on filehandle", 1) if $^O eq 'MSWin32'; 165 main::skip("dos: inode number is fake on dos", 1) if $^O eq 'dos'; 166 167 main::skip("OS/2: inode number is not constant on os/2", 1) if $^O eq 'os2'; 168 169 main::is_deeply($stat, $stat3, '... and must match normal stat'); 170} 171 172SKIP: 173{ # RT #111638 174 skip "We can't check for FIFOs", 2 unless defined &Fcntl::S_ISFIFO; 175 skip "No pipes", 2 unless defined $Config{d_pipe}; 176 pipe my ($rh, $wh) 177 or skip "Couldn't create a pipe: $!", 2; 178 skip "Built-in -p doesn't detect a pipe", 2 unless -p $rh; 179 180 my $pstat = File::stat::stat($rh); 181 ok(!-p($stat), "-p should be false on a file"); 182 ok(-p($pstat), "check -p detects a pipe"); 183} 184 185# Testing pretty much anything else is unportable. 186 187done_testing; 188 189# ex: set ts=8 sts=4 sw=4 et: 190