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1 | #!./perl |
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2 | |
3 | BEGIN { |
4 | chdir 't' if -d 't'; |
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5 | if ($ENV{PERL_CORE}) { |
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6 | @INC = '../lib'; |
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7 | } |
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8 | } |
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9 | use Cwd; |
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10 | |
11 | use Config; |
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12 | use strict; |
13 | use warnings; |
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14 | use File::Spec; |
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15 | use File::Path; |
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16 | |
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17 | use Test::More; |
18 | |
19 | my $tests = 24; |
20 | my $EXTRA_ABSPATH_TESTS = $ENV{PERL_CORE} || $ENV{TEST_PERL_CWD_CODE}; |
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21 | # _perl_abs_path() currently only works when the directory separator |
22 | # is '/', so don't test it when it won't work. |
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23 | $EXTRA_ABSPATH_TESTS &&= $Config{prefix} =~ m/\//; |
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24 | $tests += 3 if $EXTRA_ABSPATH_TESTS; |
25 | plan tests => $tests; |
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26 | |
27 | my $IsVMS = $^O eq 'VMS'; |
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28 | my $IsMacOS = $^O eq 'MacOS'; |
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29 | |
30 | # check imports |
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31 | can_ok('main', qw(cwd getcwd fastcwd fastgetcwd)); |
32 | ok( !defined(&chdir), 'chdir() not exported by default' ); |
33 | ok( !defined(&abs_path), ' nor abs_path()' ); |
34 | ok( !defined(&fast_abs_path), ' nor fast_abs_path()'); |
35 | |
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36 | |
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37 | # XXX force Cwd to bootsrap its XSUBs since we have set @INC = "../lib" |
38 | # XXX and subsequent chdir()s can make them impossible to find |
39 | eval { fastcwd }; |
40 | |
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41 | # Must find an external pwd (or equivalent) command. |
42 | |
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43 | my $pwd = $^O eq 'MSWin32' ? "cmd" : "pwd"; |
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44 | my $pwd_cmd = |
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45 | ($^O eq "NetWare") ? |
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46 | "cd" : |
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47 | ($IsMacOS) ? |
48 | "pwd" : |
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49 | (grep { -x && -f } map { "$_/$pwd$Config{exe_ext}" } |
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50 | split m/$Config{path_sep}/, $ENV{PATH})[0]; |
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51 | |
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52 | $pwd_cmd = 'SHOW DEFAULT' if $IsVMS; |
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53 | if ($^O eq 'MSWin32') { |
54 | $pwd_cmd =~ s,/,\\,g; |
55 | $pwd_cmd = "$pwd_cmd /c cd"; |
56 | } |
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57 | $pwd_cmd =~ s=\\=/=g if ($^O eq 'dos'); |
58 | |
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59 | SKIP: { |
60 | skip "No native pwd command found to test against", 4 unless $pwd_cmd; |
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61 | |
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62 | print "# native pwd = '$pwd_cmd'\n"; |
63 | |
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64 | local @ENV{qw(PATH IFS CDPATH ENV BASH_ENV)}; |
65 | my ($pwd_cmd_untainted) = $pwd_cmd =~ /^(.+)$/; # Untaint. |
66 | chomp(my $start = `$pwd_cmd_untainted`); |
67 | |
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68 | # Win32's cd returns native C:\ style |
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69 | $start =~ s,\\,/,g if ($^O eq 'MSWin32' || $^O eq "NetWare"); |
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70 | # DCL SHOW DEFAULT has leading spaces |
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71 | $start =~ s/^\s+// if $IsVMS; |
72 | SKIP: { |
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73 | skip("'$pwd_cmd' failed, nothing to test against", 4) if $?; |
74 | skip("/afs seen, paths unlikely to match", 4) if $start =~ m|/afs/|; |
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75 | |
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76 | # Darwin's getcwd(3) (which Cwd.xs:bsd_realpath() uses which |
77 | # Cwd.pm:getcwd uses) has some magic related to the PWD |
78 | # environment variable: if PWD is set to a directory that |
79 | # looks about right (guess: has the same (dev,ino) as the '.'?), |
80 | # the PWD is returned. However, if that path contains |
81 | # symlinks, the path will not be equal to the one returned by |
82 | # /bin/pwd (which probably uses the usual walking upwards in |
83 | # the path -trick). This situation is easy to reproduce since |
84 | # /tmp is a symlink to /private/tmp. Therefore we invalidate |
85 | # the PWD to force getcwd(3) to (re)compute the cwd in full. |
86 | # Admittedly fixing this in the Cwd module would be better |
87 | # long-term solution but deleting $ENV{PWD} should not be |
88 | # done light-heartedly. --jhi |
89 | delete $ENV{PWD} if $^O eq 'darwin'; |
90 | |
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91 | my $cwd = cwd; |
92 | my $getcwd = getcwd; |
93 | my $fastcwd = fastcwd; |
94 | my $fastgetcwd = fastgetcwd; |
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95 | |
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96 | is($cwd, $start, 'cwd()'); |
97 | is($getcwd, $start, 'getcwd()'); |
98 | is($fastcwd, $start, 'fastcwd()'); |
99 | is($fastgetcwd, $start, 'fastgetcwd()'); |
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100 | } |
101 | } |
102 | |
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103 | my @test_dirs = qw{_ptrslt_ _path_ _to_ _a_ _dir_}; |
104 | my $Test_Dir = File::Spec->catdir(@test_dirs); |
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105 | |
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106 | mkpath([$Test_Dir], 0, 0777); |
107 | Cwd::chdir $Test_Dir; |
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108 | |
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109 | foreach my $func (qw(cwd getcwd fastcwd fastgetcwd)) { |
110 | my $result = eval "$func()"; |
111 | is $@, ''; |
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112 | dir_ends_with( $result, $Test_Dir, "$func()" ); |
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113 | } |
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114 | |
115 | # Cwd::chdir should also update $ENV{PWD} |
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116 | dir_ends_with( $ENV{PWD}, $Test_Dir, 'Cwd::chdir() updates $ENV{PWD}' ); |
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117 | my $updir = File::Spec->updir; |
118 | Cwd::chdir $updir; |
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119 | print "#$ENV{PWD}\n"; |
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120 | Cwd::chdir $updir; |
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121 | print "#$ENV{PWD}\n"; |
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122 | Cwd::chdir $updir; |
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123 | print "#$ENV{PWD}\n"; |
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124 | Cwd::chdir $updir; |
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125 | print "#$ENV{PWD}\n"; |
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126 | Cwd::chdir $updir; |
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127 | print "#$ENV{PWD}\n"; |
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128 | |
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129 | rmtree($test_dirs[0], 0, 0); |
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130 | |
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131 | { |
132 | my $check = ($IsVMS ? qr|\b((?i)t)\]$| : |
133 | $IsMacOS ? qr|\bt:$| : |
134 | qr|\bt$| ); |
135 | |
136 | like($ENV{PWD}, $check); |
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137 | } |
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138 | |
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139 | SKIP: { |
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140 | skip "no symlinks on this platform", 2+$EXTRA_ABSPATH_TESTS unless $Config{d_symlink}; |
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141 | |
142 | mkpath([$Test_Dir], 0, 0777); |
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143 | symlink $Test_Dir, "linktest"; |
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144 | |
145 | my $abs_path = Cwd::abs_path("linktest"); |
146 | my $fast_abs_path = Cwd::fast_abs_path("linktest"); |
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147 | my $want = File::Spec->catdir("t", $Test_Dir); |
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148 | |
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149 | like($abs_path, qr|$want$|); |
150 | like($fast_abs_path, qr|$want$|); |
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151 | like(Cwd::_perl_abs_path("linktest"), qr|$want$|) if $EXTRA_ABSPATH_TESTS; |
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152 | |
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153 | rmtree($test_dirs[0], 0, 0); |
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154 | unlink "linktest"; |
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155 | } |
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156 | |
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157 | if ($ENV{PERL_CORE}) { |
158 | chdir '../ext/Cwd/t'; |
159 | unshift @INC, '../../../lib'; |
160 | } |
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161 | |
162 | # Make sure we can run abs_path() on files, not just directories |
163 | my $path = 'cwd.t'; |
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164 | path_ends_with(Cwd::abs_path($path), 'cwd.t', 'abs_path() can be invoked on a file'); |
165 | path_ends_with(Cwd::fast_abs_path($path), 'cwd.t', 'fast_abs_path() can be invoked on a file'); |
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166 | path_ends_with(Cwd::_perl_abs_path($path), 'cwd.t', '_perl_abs_path() can be invoked on a file') |
167 | if $EXTRA_ABSPATH_TESTS; |
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168 | |
169 | $path = File::Spec->catfile(File::Spec->updir, 't', $path); |
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170 | path_ends_with(Cwd::abs_path($path), 'cwd.t', 'abs_path() can be invoked on a file'); |
171 | path_ends_with(Cwd::fast_abs_path($path), 'cwd.t', 'fast_abs_path() can be invoked on a file'); |
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172 | path_ends_with(Cwd::_perl_abs_path($path), 'cwd.t', '_perl_abs_path() can be invoked on a file') |
173 | if $EXTRA_ABSPATH_TESTS; |
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174 | |
175 | |
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176 | ############################################# |
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177 | # These routines give us sort of a poor-man's cross-platform |
178 | # directory or path comparison capability. |
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179 | |
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180 | sub bracketed_form_dir { |
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181 | return join '', map "[$_]", |
182 | grep length, File::Spec->splitdir(File::Spec->canonpath( shift() )); |
183 | } |
184 | |
185 | sub dir_ends_with { |
186 | my ($dir, $expect) = (shift, shift); |
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187 | my $bracketed_expect = quotemeta bracketed_form_dir($expect); |
188 | like( bracketed_form_dir($dir), qr|$bracketed_expect$|i, (@_ ? shift : ()) ); |
189 | } |
190 | |
191 | sub bracketed_form_path { |
192 | return join '', map "[$_]", |
193 | grep length, File::Spec->splitpath(File::Spec->canonpath( shift() )); |
194 | } |
195 | |
196 | sub path_ends_with { |
197 | my ($dir, $expect) = (shift, shift); |
198 | my $bracketed_expect = quotemeta bracketed_form_path($expect); |
199 | like( bracketed_form_path($dir), qr|$bracketed_expect$|i, (@_ ? shift : ()) ); |
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200 | } |