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