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[perl5.git] / t / op / readline.t
CommitLineData
79628082
SM
1#!./perl
2
3BEGIN {
4 chdir 't';
5 @INC = '../lib';
6 require './test.pl';
7}
8
bc44a8a2 9plan tests => 11;
79628082
SM
10
11eval { for (\2) { $_ = <FH> } };
12like($@, 'Modification of a read-only value attempted', '[perl #19566]');
13
ba92458f
AE
14{
15 open A,"+>a"; $a = 3;
16 is($a .= <A>, 3, '#21628 - $a .= <A> , A eof');
17 close A; $a = 4;
18 is($a .= <A>, 4, '#21628 - $a .= <A> , A closed');
19 unlink "a";
20}
10bcdfd6
NC
21
22# 82 is chosen to exceed the length for sv_grow in do_readline (80)
bfe0b846 23foreach my $k (1, 82) {
10bcdfd6
NC
24 my $result
25 = runperl (switches => '-l', stdin => '', stderr => 1,
bfe0b846 26 prog => "\$x = q(k) x $k; \$a{\$x} = qw(v); \$_ = <> foreach keys %a; print qw(end)",
10bcdfd6 27 );
bfe0b846
CB
28 $result =~ s/\n\z// if $^O eq 'VMS';
29 is ($result, "end", '[perl #21614] for length ' . length('k' x $k));
10bcdfd6 30}
bc44a8a2
NC
31
32
bfe0b846 33foreach my $k (1, 21) {
bc44a8a2
NC
34 my $result
35 = runperl (switches => '-l', stdin => ' rules', stderr => 1,
bfe0b846 36 prog => "\$x = q(perl) x $k; \$a{\$x} = q(v); foreach (keys %a) {\$_ .= <>; print}",
bc44a8a2 37 );
bfe0b846
CB
38 $result =~ s/\n\z// if $^O eq 'VMS';
39 is ($result, ('perl' x $k) . " rules", 'rcatline to shared sv for length ' . length('perl' x $k));
bc44a8a2
NC
40}
41
42foreach my $l (1, 82) {
43 my $k = $l;
44 $k = 'k' x $k;
45 my $copy = $k;
46 $k = <DATA>;
47 is ($k, "moo\n", 'catline to COW sv for length ' . length $copy);
48}
49
50
51foreach my $l (1, 21) {
52 my $k = $l;
53 $k = 'perl' x $k;
54 my $perl = $k;
55 $k .= <DATA>;
56 is ($k, "$perl rules\n", 'rcatline to COW sv for length ' . length $perl);
57}
58__DATA__
59moo
60moo
61 rules
62 rules