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1 | #!./perl |
2 | |
3 | BEGIN { |
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4 | unless (find PerlIO::Layer 'perlio') { |
5 | print "1..0 # Skip: not perlio\n"; |
6 | exit 0; |
7 | } |
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8 | require Config; |
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9 | if (($Config::Config{'extensions'} !~ m!\bPerlIO/via\b!) ){ |
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10 | print "1..0 # Skip -- Perl configured without PerlIO::via module\n"; |
11 | exit 0; |
12 | } |
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13 | } |
14 | |
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15 | use strict; |
16 | use warnings; |
17 | |
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18 | my $tmp = "via$$"; |
19 | |
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20 | use Test::More tests => 18; |
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21 | |
22 | my $fh; |
23 | my $a = join("", map { chr } 0..255) x 10; |
24 | my $b; |
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25 | |
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26 | BEGIN { use_ok('PerlIO::via::QuotedPrint'); } |
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27 | |
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28 | ok( !open($fh,"<via(PerlIO::via::QuotedPrint)", $tmp), 'open QuotedPrint for input fails'); |
29 | ok( open($fh,">via(PerlIO::via::QuotedPrint)", $tmp), 'open QuotedPrint for output'); |
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30 | ok( (print $fh $a), "print to output file"); |
31 | ok( close($fh), 'close output file'); |
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32 | |
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33 | ok( open($fh,"<via(PerlIO::via::QuotedPrint)", $tmp), 'open QuotedPrint for input'); |
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34 | { local $/; $b = <$fh> } |
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35 | ok( close($fh), "close input file"); |
36 | |
37 | is($a, $b, 'compare original data with filtered version'); |
38 | |
39 | |
40 | { |
41 | my $warnings = ''; |
42 | local $SIG{__WARN__} = sub { $warnings = join '', @_ }; |
43 | |
44 | use warnings 'layer'; |
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45 | |
46 | # Find fd number we should be using |
47 | my $fd = open($fh,">$tmp") && fileno($fh); |
48 | print $fh "Hello\n"; |
49 | close($fh); |
50 | |
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51 | ok( ! open($fh,">via(Unknown::Module)", $tmp), 'open via Unknown::Module will fail'); |
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52 | like( $warnings, qr/^Cannot find package 'Unknown::Module'/, 'warn about unknown package' ); |
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53 | |
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54 | # Now open normally again to see if we get right fileno |
55 | my $fd2 = open($fh,"<$tmp") && fileno($fh); |
56 | is($fd2,$fd,"Wrong fd number after failed open"); |
57 | |
58 | my $data = <$fh>; |
59 | |
60 | is($data,"Hello\n","File clobbered by failed open"); |
61 | |
62 | close($fh); |
63 | |
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64 | { |
65 | package Incomplete::Module; |
66 | } |
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67 | |
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68 | $warnings = ''; |
69 | no warnings 'layer'; |
70 | ok( ! open($fh,">via(Incomplete::Module)", $tmp), 'open via Incomplete::Module will fail'); |
71 | is( $warnings, "", "don't warn about unknown package" ); |
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72 | |
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73 | $warnings = ''; |
74 | no warnings 'layer'; |
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75 | ok( ! open($fh,">via(Unknown::Module)", $tmp), 'open via Unknown::Module will fail'); |
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76 | is( $warnings, "", "don't warn about unknown package" ); |
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77 | } |
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78 | |
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79 | my $obj = ''; |
80 | sub Foo::PUSHED { $obj = shift; -1; } |
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81 | sub PerlIO::via::Bar::PUSHED { $obj = shift; -1; } |
82 | open $fh, '<:via(Foo)', "foo"; |
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83 | is( $obj, 'Foo', 'search for package Foo' ); |
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84 | open $fh, '<:via(Bar)', "bar"; |
85 | is( $obj, 'PerlIO::via::Bar', 'search for package PerlIO::via::Bar' ); |
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86 | |
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87 | END { |
88 | 1 while unlink $tmp; |
89 | } |
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90 | |