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[perl5.git] / lib / Text / Balanced / t / extbrk.t
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1BEGIN {
2 if ($ENV{PERL_CORE}) {
3 chdir('t') if -d 't';
4 @INC = qw(../lib);
5 }
6}
7
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8# Before `make install' is performed this script should be runnable with
9# `make test'. After `make install' it should work as `perl test.pl'
10
11######################### We start with some black magic to print on failure.
12
13# Change 1..1 below to 1..last_test_to_print .
14# (It may become useful if the test is moved to ./t subdirectory.)
15
9686a75b 16BEGIN { $| = 1; print "1..19\n"; }
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17END {print "not ok 1\n" unless $loaded;}
18use Text::Balanced qw ( extract_bracketed );
19$loaded = 1;
20print "ok 1\n";
21$count=2;
22use vars qw( $DEBUG );
23sub debug { print "\t>>>",@_ if $DEBUG }
24
25######################### End of black magic.
26
27
28$cmd = "print";
29$neg = 0;
30while (defined($str = <DATA>))
31{
32 chomp $str;
33 if ($str =~ s/\A# USING://) { $neg = 0; $cmd = $str; next; }
34 elsif ($str =~ /\A# TH[EI]SE? SHOULD FAIL/) { $neg = 1; next; }
35 elsif (!$str || $str =~ /\A#/) { $neg = 0; next }
36 $str =~ s/\\n/\n/g;
37 debug "\tUsing: $cmd\n";
38 debug "\t on: [$str]\n";
39
40 $var = eval "() = $cmd";
41 debug "\t list got: [$var]\n";
42 debug "\t list left: [$str]\n";
43 print "not " if (substr($str,pos($str),1) eq ';')==$neg;
44 print "ok ", $count++;
45 print " ($@)" if $@ && $DEBUG;
46 print "\n";
47
48 pos $str = 0;
49 $var = eval $cmd;
50 $var = "<undef>" unless defined $var;
51 debug "\t scalar got: [$var]\n";
52 debug "\t scalar left: [$str]\n";
53 print "not " if ($str =~ '\A;')==$neg;
54 print "ok ", $count++;
55 print " ($@)" if $@ && $DEBUG;
56 print "\n";
57}
58
59__DATA__
60
61# USING: extract_bracketed($str);
62{a nested { and } are okay as are () and <> pairs and escaped \}'s };
9686a75b 63{a nested\n{ and } are okay as are\n() and <> pairs and escaped \}'s };
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64
65# USING: extract_bracketed($str,'{}');
66{a nested { and } are okay as are unbalanced ( and < pairs and escaped \}'s };
67
68# THESE SHOULD FAIL
69{an unmatched nested { isn't okay, nor are ( and < };
70{an unbalanced nested [ even with } and ] to match them;
71
72
73# USING: extract_bracketed($str,'<"`q>');
74<a q{uoted} ">" unbalanced right bracket of /(q>)/ either sort (`>>>""">>>>`) is okay >;
75
76# USING: extract_bracketed($str,'<">');
77<a quoted ">" unbalanced right bracket is okay >;
78
79# USING: extract_bracketed($str,'<"`>');
80<a quoted ">" unbalanced right bracket of either sort (`>>>""">>>>`) is okay >;
81
82# THIS SHOULD FAIL
83<a misquoted '>' unbalanced right bracket is bad >;