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1 | #!./perl |
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2 | |
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3 | use Cwd; |
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4 | BEGIN { |
5 | chdir 't' if -d 't'; |
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6 | } |
7 | |
8 | use Config; |
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9 | use strict; |
10 | use warnings; |
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11 | use File::Spec; |
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12 | use File::Path; |
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13 | |
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14 | use Test::More tests => 20; |
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15 | |
16 | my $IsVMS = $^O eq 'VMS'; |
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17 | my $IsMacOS = $^O eq 'MacOS'; |
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18 | |
19 | # check imports |
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20 | can_ok('main', qw(cwd getcwd fastcwd fastgetcwd)); |
21 | ok( !defined(&chdir), 'chdir() not exported by default' ); |
22 | ok( !defined(&abs_path), ' nor abs_path()' ); |
23 | ok( !defined(&fast_abs_path), ' nor fast_abs_path()'); |
24 | |
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25 | |
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26 | # XXX force Cwd to bootsrap its XSUBs since we have set @INC = "../lib" |
27 | # XXX and subsequent chdir()s can make them impossible to find |
28 | eval { fastcwd }; |
29 | |
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30 | # Must find an external pwd (or equivalent) command. |
31 | |
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32 | my $pwd = $^O eq 'MSWin32' ? "cmd" : "pwd"; |
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33 | my $pwd_cmd = |
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34 | ($^O eq "NetWare") ? |
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35 | "cd" : |
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36 | ($IsMacOS) ? |
37 | "pwd" : |
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38 | (grep { -x && -f } map { "$_/$pwd$Config{exe_ext}" } |
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39 | split m/$Config{path_sep}/, $ENV{PATH})[0]; |
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40 | |
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41 | $pwd_cmd = 'SHOW DEFAULT' if $IsVMS; |
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42 | if ($^O eq 'MSWin32') { |
43 | $pwd_cmd =~ s,/,\\,g; |
44 | $pwd_cmd = "$pwd_cmd /c cd"; |
45 | } |
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46 | $pwd_cmd =~ s=\\=/=g if ($^O eq 'dos'); |
47 | |
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48 | SKIP: { |
49 | skip "No native pwd command found to test against", 4 unless $pwd_cmd; |
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50 | |
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51 | print "# native pwd = '$pwd_cmd'\n"; |
52 | |
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53 | local @ENV{qw(PATH IFS CDPATH ENV BASH_ENV)}; |
54 | my ($pwd_cmd_untainted) = $pwd_cmd =~ /^(.+)$/; # Untaint. |
55 | chomp(my $start = `$pwd_cmd_untainted`); |
56 | |
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57 | # Win32's cd returns native C:\ style |
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58 | $start =~ s,\\,/,g if ($^O eq 'MSWin32' || $^O eq "NetWare"); |
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59 | # DCL SHOW DEFAULT has leading spaces |
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60 | $start =~ s/^\s+// if $IsVMS; |
61 | SKIP: { |
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62 | skip("'$pwd_cmd' failed, nothing to test against", 4) if $?; |
63 | skip("/afs seen, paths unlikely to match", 4) if $start =~ m|/afs/|; |
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64 | |
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65 | # Darwin's getcwd(3) (which Cwd.xs:bsd_realpath() uses which |
66 | # Cwd.pm:getcwd uses) has some magic related to the PWD |
67 | # environment variable: if PWD is set to a directory that |
68 | # looks about right (guess: has the same (dev,ino) as the '.'?), |
69 | # the PWD is returned. However, if that path contains |
70 | # symlinks, the path will not be equal to the one returned by |
71 | # /bin/pwd (which probably uses the usual walking upwards in |
72 | # the path -trick). This situation is easy to reproduce since |
73 | # /tmp is a symlink to /private/tmp. Therefore we invalidate |
74 | # the PWD to force getcwd(3) to (re)compute the cwd in full. |
75 | # Admittedly fixing this in the Cwd module would be better |
76 | # long-term solution but deleting $ENV{PWD} should not be |
77 | # done light-heartedly. --jhi |
78 | delete $ENV{PWD} if $^O eq 'darwin'; |
79 | |
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80 | my $cwd = cwd; |
81 | my $getcwd = getcwd; |
82 | my $fastcwd = fastcwd; |
83 | my $fastgetcwd = fastgetcwd; |
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84 | |
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85 | is($cwd, $start, 'cwd()'); |
86 | is($getcwd, $start, 'getcwd()'); |
87 | is($fastcwd, $start, 'fastcwd()'); |
88 | is($fastgetcwd, $start, 'fastgetcwd()'); |
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89 | } |
90 | } |
91 | |
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92 | my $Top_Test_Dir = '_ptrslt_'; |
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93 | my $Test_Dir = File::Spec->catdir($Top_Test_Dir, qw/_path_ _to_ _a_ _dir_/); |
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94 | my $want = quotemeta File::Spec->catdir('t', $Test_Dir); |
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95 | |
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96 | mkpath([$Test_Dir], 0, 0777); |
97 | Cwd::chdir $Test_Dir; |
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98 | |
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99 | foreach my $func (qw(cwd getcwd fastcwd fastgetcwd)) { |
100 | my $result = eval "$func()"; |
101 | is $@, ''; |
102 | like( File::Spec->canonpath($result), qr|$want$|, "$func()" ); |
103 | } |
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104 | |
105 | # Cwd::chdir should also update $ENV{PWD} |
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106 | like(File::Spec->canonpath($ENV{PWD}), qr|$want$|, 'Cwd::chdir() updates $ENV{PWD}'); |
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107 | my $updir = File::Spec->updir; |
108 | Cwd::chdir $updir; |
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109 | print "#$ENV{PWD}\n"; |
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110 | Cwd::chdir $updir; |
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111 | print "#$ENV{PWD}\n"; |
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112 | Cwd::chdir $updir; |
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113 | print "#$ENV{PWD}\n"; |
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114 | Cwd::chdir $updir; |
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115 | print "#$ENV{PWD}\n"; |
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116 | Cwd::chdir $updir; |
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117 | print "#$ENV{PWD}\n"; |
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118 | |
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119 | rmtree([$Top_Test_Dir], 0, 0); |
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120 | |
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121 | { |
122 | my $check = ($IsVMS ? qr|\b((?i)t)\]$| : |
123 | $IsMacOS ? qr|\bt:$| : |
124 | qr|\bt$| ); |
125 | |
126 | like($ENV{PWD}, $check); |
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127 | } |
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128 | |
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129 | SKIP: { |
130 | skip "no symlinks on this platform", 2 unless $Config{d_symlink}; |
131 | |
132 | mkpath([$Test_Dir], 0, 0777); |
133 | symlink $Test_Dir => "linktest"; |
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134 | |
135 | my $abs_path = Cwd::abs_path("linktest"); |
136 | my $fast_abs_path = Cwd::fast_abs_path("linktest"); |
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137 | my $want = File::Spec->catdir("t", $Test_Dir); |
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138 | |
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139 | like($abs_path, qr|$want$|); |
140 | like($fast_abs_path, qr|$want$|); |
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141 | |
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142 | rmtree([$Top_Test_Dir], 0, 0); |
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143 | unlink "linktest"; |
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144 | } |