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[REPATCH] Re: [PATCH t/op/do.t] new regression tests for bug ID
[perl5.git] / t / op / chdir.t
CommitLineData
8ea155d1
MS
1BEGIN {
2 # We're not going to chdir() into 't' because we don't know if
3 # chdir() works! Instead, we'll hedge our bets and put both
4 # possibilities into @INC.
5 @INC = ('lib', '../lib');
6}
7
8
9# Might be a little early in the testing process to start using these,
10# but I can't think of a way to write this test without them.
11use Cwd qw(abs_path cwd);
12use File::Spec::Functions qw(:DEFAULT splitdir);
13
14use Test::More tests => 24;
15
16my $cwd = abs_path;
17
18# Let's get to a known position
19SKIP: {
20 skip("Already in t/", 2) if (splitdir(abs_path))[-1] eq 't';
21
22 ok( chdir('t'), 'chdir("t")');
23 is( abs_path, catdir($cwd, 't'), ' abs_path() agrees' );
24}
25
26$cwd = abs_path;
27
28# The environment variables chdir() pays attention to.
29my @magic_envs = qw(HOME LOGDIR SYS$LOGIN);
30
31foreach my $key (@magic_envs) {
32 # We're going to be using undefs a lot here.
33 no warnings 'uninitialized';
34
35 delete @ENV{@magic_envs};
36 local $ENV{$key} = catdir $cwd, 'op';
37
38 if( $key eq 'SYS$LOGIN' && $^O ne 'VMS' ) {
39 # Make sure $ENV{'SYS$LOGIN'} is only honored on VMS.
40 ok( !chdir(), "chdir() w/\$ENV{$key} set" );
41 is( abs_path, $cwd, ' abs_path() agrees' );
42 }
43 else {
44 ok( chdir(), "chdir() w/\$ENV{$key} set" );
45 is( abs_path, $ENV{$key}, ' abs_path() agrees' );
46 chdir($cwd);
47 is( abs_path, $cwd, ' and back again' );
48 }
49
50 # Bug had chdir(undef) being the same as chdir()
51 ok( !chdir(undef), "chdir(undef) w/\$ENV{$key} set" );
52 is( abs_path, $cwd, ' abs_path() agrees' );
53
54 # Ditto chdir('').
55 ok( !chdir(''), "chdir('') w/\$ENV{$key} set" );
56 is( abs_path, $cwd, ' abs_path() agrees' );
57}
58
59{
60 # We're going to be using undefs a lot here.
61 no warnings 'uninitialized';
62
63 # Unset all the environment variables chdir() pay attention to.
64 local @ENV{@magic_envs} = (undef) x @magic_envs;
65
66 ok( !chdir(), 'chdir() w/o any ENV set' );
67 is( abs_path, $cwd, ' abs_path() agrees' );
68}