S_del_body is sufficiently small that inlining it is a space win.
[p5sagit/p5-mst-13.2.git] / t / io / crlf.t
CommitLineData
d3db65ff 1#!./perl -w
2
3BEGIN {
4 chdir 't' if -d 't';
5 @INC = qw(. ../lib);
6}
7
8use Config;
9
10require "test.pl";
11
12my $file = "crlf$$.dat";
13END {
8229d19f 14 1 while unlink($file);
d3db65ff 15}
16
6b5da1a3 17if (find PerlIO::Layer 'perlio') {
8229d19f 18 plan(tests => 16);
d3db65ff 19 ok(open(FOO,">:crlf",$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
d3db65ff 28 binmode(FOO);
29 seek(FOO,0,0);
887ede57 30 { local $/; $text = <FOO> }
31 is(count_chars($text, "\015\012"), 2000);
32
31d12d11 33 SKIP:
e949e37c 34 {
43651d81 35 skip("miniperl can't rely on loading PerlIO::scalar")
36 if $ENV{PERL_CORE_MINITEST};
98641f60 37 skip("no PerlIO::scalar") unless $Config{extensions} =~ m!\bPerlIO/scalar\b!;
238210bb 38 require PerlIO::scalar;
63c6dcc1 39 my $fcontents = join "", map {"$_\015\012"} "a".."zzz";
e949e37c 40 open my $fh, "<:crlf", \$fcontents;
41 local $/ = "xxx";
42 local $_ = <$fh>;
43 my $pos = tell $fh; # pos must be behind "xxx", before "\nyyy\n"
44 seek $fh, $pos, 0;
45 $/ = "\n";
46 $s = <$fh>.<$fh>;
47 ok($s eq "\nxxy\n");
48 }
49
d3db65ff 50 ok(close(FOO));
8229d19f 51
52 # binmode :crlf should not cumulate.
53 # Try it first once and then twice so that even UNIXy boxes
54 # get to exercise this, for DOSish boxes even once is enough.
55 # Try also pushing :utf8 first so that there are other layers
56 # in between (this should not matter: CRLF layers still should
57 # not accumulate).
58 for my $utf8 ('', ':utf8') {
59 for my $binmode (1..2) {
60 open(FOO, ">$file");
61 # require PerlIO; print PerlIO::get_layers(FOO), "\n";
62 binmode(FOO, "$utf8:crlf") for 1..$binmode;
63 # require PerlIO; print PerlIO::get_layers(FOO), "\n";
64 print FOO "Hello\n";
65 close FOO;
66 open(FOO, "<$file");
67 binmode(FOO);
68 my $foo = scalar <FOO>;
69 close FOO;
70 print join(" ", "#", map { sprintf("%02x", $_) } unpack("C*", $foo)),
71 "\n";
72 ok($foo =~ /\x0d\x0a$/);
73 ok($foo !~ /\x0d\x0d/);
74 }
75 }
d3db65ff 76}
77else {
78 skip_all("No perlio, so no :crlf");
79}
80
887ede57 81sub count_chars {
82 my($text, $chars) = @_;
83 my $seen = 0;
84 $seen++ while $text =~ /$chars/g;
85 return $seen;
86}