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35ae6b54 |
1 | #!./perl -w |
2 | |
8ea155d1 |
3 | BEGIN { |
4 | # We're not going to chdir() into 't' because we don't know if |
5 | # chdir() works! Instead, we'll hedge our bets and put both |
6 | # possibilities into @INC. |
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7 | @INC = qw(t . lib ../lib); |
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8 | } |
9 | |
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10 | use Config; |
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11 | require "test.pl"; |
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12 | plan(tests => 48); |
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13 | |
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14 | my $IsVMS = $^O eq 'VMS'; |
15 | my $IsMacOS = $^O eq 'MacOS'; |
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16 | |
6d74d930 |
17 | my $vms_unix_rpt = 0; |
18 | my $vms_efs = 0; |
19 | if ($IsVMS) { |
20 | if (eval 'require VMS::Feature') { |
21 | $vms_unix_rpt = VMS::Feature::current("filename_unix_report"); |
22 | $vms_efs = VMS::Feature::current("efs_charset"); |
23 | } else { |
24 | my $unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || ''; |
25 | my $efs_charset = $ENV{'DECC$EFS_CHARSET'} || ''; |
26 | $vms_unix_rpt = $unix_rpt =~ /^[ET1]/i; |
27 | $vms_efs = $efs_charset =~ /^[ET1]/i; |
28 | } |
29 | } |
30 | |
55adfc3e |
31 | # For an op regression test, I don't want to rely on "use constant" working. |
32 | my $has_fchdir = ($Config{d_fchdir} || "") eq "define"; |
33 | |
8ea155d1 |
34 | # Might be a little early in the testing process to start using these, |
35 | # but I can't think of a way to write this test without them. |
58277c14 |
36 | use File::Spec::Functions qw(:DEFAULT splitdir rel2abs splitpath); |
d9c93211 |
37 | |
38 | # Can't use Cwd::abs_path() because it has different ideas about |
d6cdadd4 |
39 | # path separators than File::Spec. |
d9c93211 |
40 | sub abs_path { |
1b76c3e4 |
41 | my $d = rel2abs(curdir); |
1b76c3e4 |
42 | $d = lc($d) if $^O =~ /^uwin/; |
43 | $d; |
d9c93211 |
44 | } |
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45 | |
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46 | my $Cwd = abs_path; |
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47 | |
48 | # Let's get to a known position |
49 | SKIP: { |
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50 | my ($vol,$dir) = splitpath(abs_path,1); |
6d74d930 |
51 | my $test_dir = 't'; |
52 | my $compare_dir = (splitdir($dir))[-1]; |
53 | |
54 | # VMS is case insensitive but will preserve case in EFS mode. |
55 | # So we must normalize the case for the compare. |
56 | |
57 | $compare_dir = lc($compare_dir) if $IsVMS; |
58 | skip("Already in t/", 2) if $compare_dir eq $test_dir; |
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59 | |
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60 | ok( chdir($test_dir), 'chdir($test_dir)'); |
61 | is( abs_path, catdir($Cwd, $test_dir), ' abs_path() agrees' ); |
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62 | } |
63 | |
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64 | $Cwd = abs_path; |
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65 | |
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66 | SKIP: { |
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67 | skip("no fchdir", 16) unless $has_fchdir; |
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68 | my $has_dirfd = ($Config{d_dirfd} || $Config{d_dir_dd_fd} || "") eq "define"; |
c4aca7d0 |
69 | ok(opendir(my $dh, "."), "opendir ."); |
70 | ok(open(my $fh, "<", "op"), "open op"); |
71 | ok(chdir($fh), "fchdir op"); |
72 | ok(-f "chdir.t", "verify that we are in op"); |
55adfc3e |
73 | if ($has_dirfd) { |
ac49b025 |
74 | ok(chdir($dh), "fchdir back"); |
75 | } |
76 | else { |
77 | eval { chdir($dh); }; |
78 | like($@, qr/^The dirfd function is unimplemented at/, "dirfd is unimplemented"); |
73bf7cf9 |
79 | chdir ".." or die $!; |
ac49b025 |
80 | } |
d4ac975e |
81 | |
82 | # same with bareword file handles |
83 | no warnings 'once'; |
84 | *DH = $dh; |
85 | *FH = $fh; |
86 | ok(chdir FH, "fchdir op bareword"); |
87 | ok(-f "chdir.t", "verify that we are in op"); |
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88 | if ($has_dirfd) { |
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89 | ok(chdir DH, "fchdir back bareword"); |
90 | } |
91 | else { |
92 | eval { chdir(DH); }; |
93 | like($@, qr/^The dirfd function is unimplemented at/, "dirfd is unimplemented"); |
73bf7cf9 |
94 | chdir ".." or die $!; |
d4ac975e |
95 | } |
c4aca7d0 |
96 | ok(-d "op", "verify that we are back"); |
73bf7cf9 |
97 | |
98 | # And now the ambiguous case |
abc718f2 |
99 | { |
100 | no warnings qw<io deprecated>; |
101 | ok(opendir(H, "op"), "opendir op") or diag $!; |
102 | ok(open(H, "<", "base"), "open base") or diag $!; |
103 | } |
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104 | if ($has_dirfd) { |
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105 | ok(chdir(H), "fchdir to op"); |
106 | ok(-f "chdir.t", "verify that we are in 'op'"); |
107 | chdir ".." or die $!; |
108 | } |
109 | else { |
110 | eval { chdir(H); }; |
111 | like($@, qr/^The dirfd function is unimplemented at/, |
112 | "dirfd is unimplemented"); |
113 | SKIP: { |
114 | skip("dirfd is unimplemented"); |
115 | } |
116 | } |
117 | ok(closedir(H), "closedir"); |
118 | ok(chdir(H), "fchdir to base"); |
119 | ok(-f "cond.t", "verify that we are in 'base'"); |
120 | chdir ".." or die $!; |
c4aca7d0 |
121 | } |
122 | |
123 | SKIP: { |
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124 | skip("has fchdir", 1) if $has_fchdir; |
c4aca7d0 |
125 | opendir(my $dh, "op"); |
126 | eval { chdir($dh); }; |
127 | like($@, qr/^The fchdir function is unimplemented at/, "fchdir is unimplemented"); |
128 | } |
129 | |
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130 | # The environment variables chdir() pays attention to. |
131 | my @magic_envs = qw(HOME LOGDIR SYS$LOGIN); |
132 | |
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133 | sub check_env { |
134 | my($key) = @_; |
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135 | |
89eee1ed |
136 | # Make sure $ENV{'SYS$LOGIN'} is only honored on VMS. |
dc459aad |
137 | if( $key eq 'SYS$LOGIN' && !$IsVMS && !$IsMacOS ) { |
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138 | ok( !chdir(), "chdir() on $^O ignores only \$ENV{$key} set" ); |
139 | is( abs_path, $Cwd, ' abs_path() did not change' ); |
d6cdadd4 |
140 | pass( " no need to test SYS\$LOGIN on $^O" ) for 1..7; |
8ea155d1 |
141 | } |
142 | else { |
89eee1ed |
143 | ok( chdir(), "chdir() w/ only \$ENV{$key} set" ); |
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144 | is( abs_path, $ENV{$key}, ' abs_path() agrees' ); |
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145 | chdir($Cwd); |
146 | is( abs_path, $Cwd, ' and back again' ); |
147 | |
148 | my $warning = ''; |
149 | local $SIG{__WARN__} = sub { $warning .= join '', @_ }; |
150 | |
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151 | |
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152 | # Check the deprecated chdir(undef) feature. |
fb7a80d6 |
153 | #line 64 |
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154 | ok( chdir(undef), "chdir(undef) w/ only \$ENV{$key} set" ); |
155 | is( abs_path, $ENV{$key}, ' abs_path() agrees' ); |
156 | is( $warning, <<WARNING, ' got uninit & deprecation warning' ); |
fb7a80d6 |
157 | Use of uninitialized value in chdir at $0 line 64. |
158 | Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 64. |
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159 | WARNING |
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160 | |
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161 | chdir($Cwd); |
162 | |
163 | # Ditto chdir(''). |
164 | $warning = ''; |
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165 | #line 76 |
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166 | ok( chdir(''), "chdir('') w/ only \$ENV{$key} set" ); |
167 | is( abs_path, $ENV{$key}, ' abs_path() agrees' ); |
168 | is( $warning, <<WARNING, ' got deprecation warning' ); |
fb7a80d6 |
169 | Use of chdir('') or chdir(undef) as chdir() is deprecated at $0 line 76. |
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170 | WARNING |
171 | |
172 | chdir($Cwd); |
173 | } |
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174 | } |
175 | |
fb7a80d6 |
176 | my %Saved_Env = (); |
d6cdadd4 |
177 | sub clean_env { |
fb7a80d6 |
178 | foreach my $env (@magic_envs) { |
179 | $Saved_Env{$env} = $ENV{$env}; |
180 | |
181 | # Can't actually delete SYS$ stuff on VMS. |
182 | next if $IsVMS && $env eq 'SYS$LOGIN'; |
183 | next if $IsVMS && $env eq 'HOME' && !$Config{'d_setenv'}; |
184 | |
dc459aad |
185 | unless ($IsMacOS) { # ENV on MacOS is "special" :-) |
186 | # On VMS, %ENV is many layered. |
187 | delete $ENV{$env} while exists $ENV{$env}; |
188 | } |
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189 | } |
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190 | |
d6cdadd4 |
191 | # The following means we won't really be testing for non-existence, |
192 | # but in Perl we can only delete from the process table, not the job |
193 | # table. |
194 | $ENV{'SYS$LOGIN'} = '' if $IsVMS; |
195 | } |
196 | |
fb7a80d6 |
197 | END { |
198 | no warnings 'uninitialized'; |
199 | |
200 | # Restore the environment for VMS (and doesn't hurt for anyone else) |
201 | @ENV{@magic_envs} = @Saved_Env{@magic_envs}; |
16ed4686 |
202 | |
203 | # On VMS this must be deleted or process table is wrong on exit |
204 | # when this script is run interactively. |
205 | delete $ENV{'SYS$LOGIN'} if $IsVMS; |
fb7a80d6 |
206 | } |
207 | |
208 | |
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209 | foreach my $key (@magic_envs) { |
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210 | # We're going to be using undefs a lot here. |
211 | no warnings 'uninitialized'; |
212 | |
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213 | clean_env; |
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214 | $ENV{$key} = catdir $Cwd, ($IsVMS ? 'OP' : 'op'); |
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215 | |
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216 | check_env($key); |
217 | } |
218 | |
219 | { |
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220 | clean_env; |
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221 | if (($IsVMS || $IsMacOS) && !$Config{'d_setenv'}) { |
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222 | pass("Can't reset HOME, so chdir() test meaningless"); |
223 | } else { |
224 | ok( !chdir(), 'chdir() w/o any ENV set' ); |
225 | } |
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226 | is( abs_path, $Cwd, ' abs_path() agrees' ); |
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227 | } |