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