Commit | Line | Data |
d3db65ff |
1 | #!./perl -w |
2 | |
3 | BEGIN { |
4 | chdir 't' if -d 't'; |
5 | @INC = qw(. ../lib); |
6 | } |
7 | |
8 | use Config; |
9 | |
10 | require "test.pl"; |
11 | |
12 | my $file = "crlf$$.dat"; |
13 | END { |
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14 | 1 while unlink($file); |
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15 | } |
16 | |
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17 | if (find PerlIO::Layer 'perlio') { |
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18 | plan(tests => 16); |
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19 | ok(open(FOO,">:crlf",$file)); |
20 | ok(print FOO 'a'.((('a' x 14).qq{\n}) x 2000) || close(FOO)); |
21 | ok(open(FOO,"<:crlf",$file)); |
887ede57 |
22 | |
23 | my $text; |
24 | { local $/; $text = <FOO> } |
25 | is(count_chars($text, "\015\012"), 0); |
26 | is(count_chars($text, "\n"), 2000); |
27 | |
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28 | binmode(FOO); |
29 | seek(FOO,0,0); |
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30 | { local $/; $text = <FOO> } |
31 | is(count_chars($text, "\015\012"), 2000); |
32 | |
31d12d11 |
33 | SKIP: |
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34 | { |
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35 | skip("miniperl can't rely on loading PerlIO::scalar") |
36 | if $ENV{PERL_CORE_MINITEST}; |
37 | eval 'PerlIO::scalar'; |
63c6dcc1 |
38 | my $fcontents = join "", map {"$_\015\012"} "a".."zzz"; |
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39 | open my $fh, "<:crlf", \$fcontents; |
40 | local $/ = "xxx"; |
41 | local $_ = <$fh>; |
42 | my $pos = tell $fh; # pos must be behind "xxx", before "\nyyy\n" |
43 | seek $fh, $pos, 0; |
44 | $/ = "\n"; |
45 | $s = <$fh>.<$fh>; |
46 | ok($s eq "\nxxy\n"); |
47 | } |
48 | |
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49 | ok(close(FOO)); |
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50 | |
51 | # binmode :crlf should not cumulate. |
52 | # Try it first once and then twice so that even UNIXy boxes |
53 | # get to exercise this, for DOSish boxes even once is enough. |
54 | # Try also pushing :utf8 first so that there are other layers |
55 | # in between (this should not matter: CRLF layers still should |
56 | # not accumulate). |
57 | for my $utf8 ('', ':utf8') { |
58 | for my $binmode (1..2) { |
59 | open(FOO, ">$file"); |
60 | # require PerlIO; print PerlIO::get_layers(FOO), "\n"; |
61 | binmode(FOO, "$utf8:crlf") for 1..$binmode; |
62 | # require PerlIO; print PerlIO::get_layers(FOO), "\n"; |
63 | print FOO "Hello\n"; |
64 | close FOO; |
65 | open(FOO, "<$file"); |
66 | binmode(FOO); |
67 | my $foo = scalar <FOO>; |
68 | close FOO; |
69 | print join(" ", "#", map { sprintf("%02x", $_) } unpack("C*", $foo)), |
70 | "\n"; |
71 | ok($foo =~ /\x0d\x0a$/); |
72 | ok($foo !~ /\x0d\x0d/); |
73 | } |
74 | } |
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75 | } |
76 | else { |
77 | skip_all("No perlio, so no :crlf"); |
78 | } |
79 | |
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80 | sub count_chars { |
81 | my($text, $chars) = @_; |
82 | my $seen = 0; |
83 | $seen++ while $text =~ /$chars/g; |
84 | return $seen; |
85 | } |