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1 | #!./perl |
2 | |
3 | BEGIN { |
4 | unless (-d 'blib') { |
5 | chdir 't' if -d 't'; |
6 | @INC = '../lib'; |
7 | require Config; import Config; |
8 | keys %Config; # Silence warning |
9 | if ($Config{extensions} !~ /\bList\/Util\b/) { |
10 | print "1..0 # Skip: List::Util was not built\n"; |
11 | exit 0; |
12 | } |
13 | } |
14 | } |
15 | |
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16 | use strict; |
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17 | |
18 | use Test::More tests => 14; |
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19 | use Scalar::Util qw(openhandle); |
20 | |
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21 | ok(defined &openhandle, 'defined'); |
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22 | |
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23 | { |
24 | my $fh = \*STDERR; |
25 | is(openhandle($fh), $fh, 'STDERR'); |
26 | |
27 | is(fileno(openhandle(*STDERR)), fileno(STDERR), 'fileno(STDERR)'); |
28 | } |
29 | |
30 | { |
31 | use vars qw(*CLOSED); |
32 | is(openhandle(*CLOSED), undef, 'closed'); |
33 | } |
34 | |
35 | SKIP: { |
36 | skip "3-arg open only on 5.6 or later", 1 if $]<5.006; |
37 | |
38 | open my $fh, "<", $0; |
39 | skip "could not open $0 for reading: $!", 1 unless $fh; |
40 | is(openhandle($fh), $fh, "works with indirect filehandles"); |
41 | } |
42 | |
43 | SKIP: { |
44 | skip "in-memory files only on 5.8 or later", 1 if $]<5.008; |
45 | |
46 | open my $fh, "<", \"in-memory file"; |
47 | skip "could not open in-memory file: $!", 1 unless $fh; |
48 | is(openhandle($fh), $fh, "works with in-memory files"); |
49 | } |
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50 | |
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51 | ok(openhandle(\*DATA), "works for \*DATA"); |
52 | ok(openhandle(*DATA), "works for *DATA"); |
53 | ok(openhandle(*DATA{IO}), "works for *DATA{IO}"); |
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54 | |
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55 | { |
56 | require IO::Handle; |
57 | my $fh = IO::Handle->new_from_fd(fileno(*STDERR), 'w'); |
58 | skip "new_from_fd(fileno(*STDERR)) failed", 1 unless $fh; |
59 | ok(openhandle($fh), "works for IO::Handle objects"); |
60 | |
61 | ok(!openhandle(IO::Handle->new), "unopened IO::Handle"); |
62 | } |
63 | |
64 | { |
65 | require IO::File; |
66 | my $fh = IO::File->new; |
67 | $fh->open("< $0") |
68 | or skip "could not open $0: $!", 1; |
69 | ok(openhandle($fh), "works for IO::File objects"); |
70 | |
71 | ok(!openhandle(IO::File->new), "unopened IO::File" ); |
72 | } |
73 | |
74 | SKIP: { |
75 | skip( "Tied handles only on 5.8 or later", 1) if $]<5.008; |
76 | |
77 | use vars qw(*H); |
78 | |
79 | package My::Tie; |
80 | require Tie::Handle; |
81 | @My::Tie::ISA = qw(Tie::Handle); |
82 | sub TIEHANDLE { bless {} } |
83 | |
84 | package main; |
85 | tie *H, 'My::Tie'; |
86 | ok(openhandle(*H), "tied handles are always ok"); |
87 | } |
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88 | |
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89 | __DATA__ |