1BEGIN {
2    if ($ENV{PERL_CORE}) {
3        chdir('t') if -d 't';
4        @INC = qw(../lib);
5    }
6}
7
8#! /usr/local/bin/perl -ws
9# Before `make install' is performed this script should be runnable with
10# `make test'. After `make install' it should work as `perl test.pl'
11
12######################### We start with some black magic to print on failure.
13
14# Change 1..1 below to 1..last_test_to_print .
15# (It may become useful if the test is moved to ./t subdirectory.)
16
17BEGIN { $| = 1; print "1..89\n"; }
18END {print "not ok 1\n" unless $loaded;}
19use Text::Balanced qw ( extract_quotelike );
20$loaded = 1;
21print "ok 1\n";
22$count=2;
23use vars qw( $DEBUG );
24# $DEBUG=1;
25sub debug { print "\t>>>",@_ if $DEBUG }
26
27######################### End of black magic.
28
29
30$cmd = "print";
31$neg = 0;
32while (defined($str = <DATA>))
33{
34	chomp $str;
35	if ($str =~ s/\A# USING://) { $neg = 0; $cmd = $str; next; }
36	elsif ($str =~ /\A# TH[EI]SE? SHOULD FAIL/) { $neg = 1; next; }
37	elsif (!$str || $str =~ /\A#/) { $neg = 0; next }
38	debug "\tUsing: $cmd\n";
39	debug "\t   on: [$str]\n";
40	$str =~ s/\\n/\n/g;
41	my $orig = $str;
42
43	 my @res;
44	eval qq{\@res = $cmd; };
45	debug "\t  got:\n" . join "", map { $res[$_]=~s/\n/\\n/g; "\t\t\t$_: [$res[$_]]\n"} (0..$#res);
46	debug "\t left: " . (map { s/\n/\\n/g; "[$_]\n" } my $cpy1 = $str)[0];
47	debug "\t  pos: " . (map { s/\n/\\n/g; "[$_]\n" } my $cpy2 = substr($str,pos($str)))[0] . "...]\n";
48	print "not " if (substr($str,pos($str),1) eq ';')==$neg;
49	print "ok ", $count++;
50	print "\n";
51
52	$str = $orig;
53	debug "\tUsing: scalar $cmd\n";
54	debug "\t   on: [$str]\n";
55	$var = eval $cmd;
56	print " ($@)" if $@ && $DEBUG;
57	$var = "<undef>" unless defined $var;
58	debug "\t scalar got: " . (map { s/\n/\\n/g; "[$_]\n" } $var)[0];
59	debug "\t scalar left: " . (map { s/\n/\\n/g; "[$_]\n" } $str)[0];
60	print "not " if ($str =~ '\A;')==$neg;
61	print "ok ", $count++;
62	print "\n";
63}
64
65__DATA__
66
67# USING: extract_quotelike($str);
68'';
69"";
70"a";
71'b';
72`cc`;
73
74
75<<EOHERE; done();\nline1\nline2\nEOHERE\n; next;
76     <<EOHERE; done();\nline1\nline2\nEOHERE\n; next;
77<<"EOHERE"; done()\nline1\nline2\nEOHERE\n and next
78<<`EOHERE`; done()\nline1\nline2\nEOHERE\n and next
79<<'EOHERE'; done()\nline1\n'line2'\nEOHERE\n and next
80<<'EOHERE;'; done()\nline1\nline2\nEOHERE;\n and next
81<<"   EOHERE"; done() \nline1\nline2\n   EOHERE\nand next
82<<""; done()\nline1\nline2\n\n and next
83<<; done()\nline1\nline2\n\n and next
84
85
86"this is a nested $var[$x] {";
87/a/gci;
88m/a/gci;
89
90q(d);
91qq(e);
92qx(f);
93qr(g);
94qw(h i j);
95q{d};
96qq{e};
97qx{f};
98qr{g};
99qq{a nested { and } are okay as are () and <> pairs and escaped \}'s };
100q/slash/;
101q # slash #;
102qr qw qx;
103
104s/x/y/;
105s/x/y/cgimsox;
106s{a}{b};
107s{a}\n {b};
108s(a){b};
109s(a)/b/;
110s/'/\\'/g;
111tr/x/y/;
112y/x/y/;
113
114# THESE SHOULD FAIL
115s<$self->{pat}>{$self->{sub}};		# CAN'T HANDLE '>' in '->'
116s-$self->{pap}-$self->{sub}-;		# CAN'T HANDLE '-' in '->'
117<<EOHERE; done();\nline1\nline2\nEOHERE;\n; next;	    # RDEL HAS NO ';'
118<<'EOHERE'; done();\nline1\nline2\nEOHERE;\n; next;	    # RDEF HAS NO ';'
119     <<    EOTHERE; done();\nline1\nline2\n    EOTHERE\n; next;  # RDEL IS "" (!)
120