1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
# Before `make install' is performed this script should be runnable with
# `make test'. After `make install' it should work as `perl test.pl'
######################### We start with some black magic to print on failure.
# Change 1..1 below to 1..last_test_to_print .
# (It may become useful if the test is moved to ./t subdirectory.)
BEGIN { $| = 1; print "1..45\n"; }
END {print "not ok 1\n" unless $loaded;}
use Text::Balanced qw ( extract_delimited );
$loaded = 1;
print "ok 1\n";
$count=2;
use vars qw( $DEBUG );
sub debug { print "\t>>>",@_ if $DEBUG }
######################### End of black magic.
$cmd = "print";
$neg = 0;
while (defined($str = <DATA>))
{
chomp $str;
if ($str =~ s/\A# USING://) { $neg = 0; $cmd = $str; next; }
elsif ($str =~ /\A# TH[EI]SE? SHOULD FAIL/) { $neg = 1; next; }
elsif (!$str || $str =~ /\A#/) { $neg = 0; next }
$str =~ s/\\n/\n/g;
debug "\tUsing: $cmd\n";
debug "\t on: [$str]\n";
$var = eval "() = $cmd";
debug "\t list got: [$var]\n";
debug "\t list left: [$str]\n";
print "not " if (substr($str,pos($str)||0,1) eq ';')==$neg;
print "ok ", $count++;
print " ($@)" if $@ && $DEBUG;
print "\n";
pos $str = 0;
$var = eval $cmd;
$var = "<undef>" unless defined $var;
debug "\t scalar got: [$var]\n";
debug "\t scalar left: [$str]\n";
print "not " if ($str =~ '\A;')==$neg;
print "ok ", $count++;
print " ($@)" if $@ && $DEBUG;
print "\n";
}
__DATA__
# USING: extract_delimited($str,'/#$',undef,'/#$');
/a/;
/a///;
#b#;
#b###;
$c$;
$c$$$;
# TEST EXTRACTION OF DELIMITED TEXT WITH ESCAPES
# USING: extract_delimited($str,'/#$',undef,'\\');
/a/;
/a\//;
#b#;
#b\##;
$c$;
$c\$$;
# TEST EXTRACTION OF DELIMITED TEXT
# USING: extract_delimited($str);
'a';
"b";
`c`;
'a\'';
'a\\';
'\\a';
"a\\";
"\\a";
"b\'\"\'";
`c '\`abc\`'`;
# TEST EXTRACTION OF DELIMITED TEXT
# USING: extract_delimited($str,'/#$','-->');
-->/a/;
-->#b#;
-->$c$;
# THIS SHOULD FAIL
$c$;
|