1# Before `make install' is performed this script should be runnable with
2# `make test'. After `make install' it should work as `perl test.pl'
3
4use 5.008001;
5
6use strict;
7use warnings;
8
9######################### We start with some black magic to print on failure.
10
11# Change 1..1 below to 1..last_test_to_print .
12# (It may become useful if the test is moved to ./t subdirectory.)
13
14my $loaded = 0;
15BEGIN { $| = 1; print "1..45\n"; }
16END {print "not ok 1\n" unless $loaded;}
17use Text::Balanced qw ( extract_delimited );
18$loaded = 1;
19print "ok 1\n";
20my $count=2;
21use vars qw( $DEBUG );
22sub debug { print "\t>>>",@_ if $DEBUG }
23
24######################### End of black magic.
25
26## no critic (BuiltinFunctions::ProhibitStringyEval)
27
28my $cmd = "print";
29my $neg = 0;
30my $str;
31while (defined($str = <DATA>))
32{
33    chomp $str;
34    if ($str =~ s/\A# USING://) { $neg = 0; $cmd = $str; next; }
35    elsif ($str =~ /\A# TH[EI]SE? SHOULD FAIL/) { $neg = 1; next; }
36    elsif (!$str || $str =~ /\A#/) { $neg = 0; next }
37    $str =~ s/\\n/\n/g;
38    debug "\tUsing: $cmd\n";
39    debug "\t   on: [$str]\n";
40
41    my $var = eval "() = $cmd";
42    debug "\t list got: [$var]\n";
43    debug "\t list left: [$str]\n";
44    print "not " if (substr($str,pos($str)||0,1) eq ';')==$neg;
45    print "ok ", $count++;
46    print " ($@)" if $@ && $DEBUG;
47    print "\n";
48
49    pos $str = 0;
50    $var = eval $cmd;
51    $var = "<undef>" unless defined $var;
52    debug "\t scalar got: [$var]\n";
53    debug "\t scalar left: [$str]\n";
54    print "not " if ($str =~ '\A;')==$neg;
55    print "ok ", $count++;
56    print " ($@)" if $@ && $DEBUG;
57    print "\n";
58}
59
60__DATA__
61# USING: extract_delimited($str,'/#$',undef,'/#$');
62/a/;
63/a///;
64#b#;
65#b###;
66$c$;
67$c$$$;
68
69# TEST EXTRACTION OF DELIMITED TEXT WITH ESCAPES
70# USING: extract_delimited($str,'/#$',undef,'\\');
71/a/;
72/a\//;
73#b#;
74#b\##;
75$c$;
76$c\$$;
77
78# TEST EXTRACTION OF DELIMITED TEXT
79# USING: extract_delimited($str);
80'a';
81"b";
82`c`;
83'a\'';
84'a\\';
85'\\a';
86"a\\";
87"\\a";
88"b\'\"\'";
89`c '\`abc\`'`;
90
91# TEST EXTRACTION OF DELIMITED TEXT
92# USING: extract_delimited($str,'/#$','-->');
93-->/a/;
94-->#b#;
95-->$c$;
96
97# THIS SHOULD FAIL
98$c$;
99