Suppress a few compilation warnings in pp_hot.c.
[p5sagit/p5-mst-13.2.git] / t / op / regmesg.t
CommitLineData
b45f050a 1#!./perl -w
2
3BEGIN {
4 chdir 't' if -d 't';
20822f61 5 @INC = '../lib';
b45f050a 6}
7
8my $debug = 1;
9
10##
11## If the markers used are changed (search for "MARKER1" in regcomp.c),
12## update only these two variables, and leave the {#} in the @death/@warning
13## arrays below. The {#} is a meta-marker -- it marks where the marker should
14## go.
15
7253e4e3 16my $marker1 = "<-- HERE";
17my $marker2 = " <-- HERE ";
b45f050a 18
19##
20## Key-value pairs of code/error of code that should have fatal errors.
21##
69f2e79d 22
23eval 'use Config'; # assume defaults if fail
24our %Config;
25my $inf_m1 = ($Config{reg_infty} || 32767) - 1;
26my $inf_p1 = $inf_m1 + 2;
b45f050a 27my @death =
28(
7253e4e3 29 '/[[=foo=]]/' => 'POSIX syntax [= =] is reserved for future extensions in regex; marked by {#} in m/[[=foo=]{#}]/',
b45f050a 30
7253e4e3 31 '/(?<= .*)/' => 'Variable length lookbehind not implemented in regex; marked by {#} in m/(?<= .*){#}/',
b45f050a 32
7253e4e3 33 '/(?<= x{1000})/' => 'Lookbehind longer than 255 not implemented in regex; marked by {#} in m/(?<= x{1000}){#}/',
b45f050a 34
7253e4e3 35 '/(?@)/' => 'Sequence (?@...) not implemented in regex; marked by {#} in m/(?@{#})/',
b45f050a 36
7253e4e3 37 '/(?{ 1/' => 'Sequence (?{...}) not terminated or not {}-balanced in regex; marked by {#} in m/(?{{#} 1/',
b45f050a 38
7253e4e3 39 '/(?(1x))/' => 'Switch condition not recognized in regex; marked by {#} in m/(?(1x{#}))/',
b45f050a 40
7253e4e3 41 '/(?(1)x|y|z)/' => 'Switch (?(condition)... contains too many branches in regex; marked by {#} in m/(?(1)x|y|{#}z)/',
b45f050a 42
7253e4e3 43 '/(?(x)y|x)/' => 'Unknown switch condition (?(x) in regex; marked by {#} in m/(?({#}x)y|x)/',
b45f050a 44
7253e4e3 45 '/(?/' => 'Sequence (? incomplete in regex; marked by {#} in m/(?{#}/',
b45f050a 46
7253e4e3 47 '/(?;x/' => 'Sequence (?;...) not recognized in regex; marked by {#} in m/(?;{#}x/',
48 '/(?<;x/' => 'Sequence (?<;...) not recognized in regex; marked by {#} in m/(?<;{#}x/',
b45f050a 49
7253e4e3 50 '/((x)/' => 'Unmatched ( in regex; marked by {#} in m/({#}(x)/',
b45f050a 51
7253e4e3 52 "/x{$inf_p1}/" => "Quantifier in {,} bigger than $inf_m1 in regex; marked by {#} in m/x{{#}$inf_p1}/",
b45f050a 53
7253e4e3 54 '/x{3,1}/' => 'Can\'t do {n,m} with n > m in regex; marked by {#} in m/x{3,1}{#}/',
b45f050a 55
7253e4e3 56 '/x**/' => 'Nested quantifiers in regex; marked by {#} in m/x**{#}/',
b45f050a 57
7253e4e3 58 '/x[/' => 'Unmatched [ in regex; marked by {#} in m/x[{#}/',
b45f050a 59
7253e4e3 60 '/*/', => 'Quantifier follows nothing in regex; marked by {#} in m/*{#}/',
b45f050a 61
7253e4e3 62 '/\p{x/' => 'Missing right brace on \p{} in regex; marked by {#} in m/\p{{#}x/',
b45f050a 63
169da838 64 '/[\p{x]/' => 'Missing right brace on \p{} in regex; marked by {#} in m/[\p{{#}x]/',
b45f050a 65
7253e4e3 66 '/(x)\2/' => 'Reference to nonexistent group in regex; marked by {#} in m/(x)\2{#}/',
b45f050a 67
40809656 68 'my $m = "\\\"; $m =~ $m', => 'Trailing \ in regex m/\/',
b45f050a 69
7253e4e3 70 '/\x{1/' => 'Missing right brace on \x{} in regex; marked by {#} in m/\x{{#}1/',
b45f050a 71
169da838 72 '/[\x{X]/' => 'Missing right brace on \x{} in regex; marked by {#} in m/[\x{{#}X]/',
b45f050a 73
7253e4e3 74 '/[[:barf:]]/' => 'POSIX class [:barf:] unknown in regex; marked by {#} in m/[[:barf:]{#}]/',
b45f050a 75
7253e4e3 76 '/[[=barf=]]/' => 'POSIX syntax [= =] is reserved for future extensions in regex; marked by {#} in m/[[=barf=]{#}]/',
b45f050a 77
7253e4e3 78 '/[[.barf.]]/' => 'POSIX syntax [. .] is reserved for future extensions in regex; marked by {#} in m/[[.barf.]{#}]/',
b45f050a 79
7253e4e3 80 '/[z-a]/' => 'Invalid [] range "z-a" in regex; marked by {#} in m/[z-a{#}]/',
5528c7ba 81
82 '/\p/' => 'Empty \p{} in regex; marked by {#} in m/\p{#}/',
83
84 '/\P{}/' => 'Empty \P{} in regex; marked by {#} in m/\P{{#}}/',
b45f050a 85);
86
87##
88## Key-value pairs of code/error of code that should have non-fatal warnings.
89##
90@warning = (
7253e4e3 91 "m/(?p{ 'a' })/" => "(?p{}) is deprecated - use (??{}) in regex; marked by {#} in m/(?p{#}{ 'a' })/",
b45f050a 92
7253e4e3 93 'm/\b*/' => '\b* matches null string many times in regex; marked by {#} in m/\b*{#}/',
b45f050a 94
7253e4e3 95 'm/[:blank:]/' => 'POSIX syntax [: :] belongs inside character classes in regex; marked by {#} in m/[:blank:]{#}/',
b45f050a 96
7253e4e3 97 "m'[\\y]'" => 'Unrecognized escape \y in character class passed through in regex; marked by {#} in m/[\y{#}]/',
b45f050a 98
7253e4e3 99 'm/[a-\d]/' => 'False [] range "a-\d" in regex; marked by {#} in m/[a-\d{#}]/',
100 'm/[\w-x]/' => 'False [] range "\w-" in regex; marked by {#} in m/[\w-{#}x]/',
101 "m'\\y'" => 'Unrecognized escape \y passed through in regex; marked by {#} in m/\y{#}/',
b45f050a 102);
103
104my $total = (@death + @warning)/2;
105
40809656 106# utf8 is a noop on EBCDIC platforms, it is not fatal
107my $Is_EBCDIC = (ord('A') == 193);
108if ($Is_EBCDIC) {
109 my @utf8_death = grep(/utf8/, @death);
7387eed8 110 $total = $total - @utf8_death;
40809656 111}
112
b45f050a 113print "1..$total\n";
114
115my $count = 0;
116
117while (@death)
118{
b45f050a 119 my $regex = shift @death;
120 my $result = shift @death;
40809656 121 # skip the utf8 test on EBCDIC since they do not die
122 next if ($Is_EBCDIC && $regex =~ /utf8/);
123 $count++;
b45f050a 124
b45f050a 125 $_ = "x";
126 eval $regex;
127 if (not $@) {
69f2e79d 128 print "# oops, $regex didn't die\nnot ok $count\n";
b45f050a 129 next;
130 }
131 chomp $@;
b45f050a 132 $result =~ s/{\#}/$marker1/;
133 $result =~ s/{\#}/$marker2/;
69f2e79d 134 if ($@ !~ /^\Q$result/) {
135 print "# For $regex, expected:\n# $result\n# Got:\n# $@\n#\nnot ";
b45f050a 136 }
d8176a88 137 print "ok $count - $regex\n";
b45f050a 138}
139
140
141our $warning;
142$SIG{__WARN__} = sub { $warning = shift };
143
144while (@warning)
145{
146 $count++;
147 my $regex = shift @warning;
148 my $result = shift @warning;
149
150 undef $warning;
151 $_ = "x";
152 eval $regex;
153
154 if ($@)
155 {
69f2e79d 156 print "# oops, $regex died with:\n#\t$@#\nnot ok $count\n";
b45f050a 157 next;
158 }
159
160 if (not $warning)
161 {
69f2e79d 162 print "# oops, $regex didn't generate a warning\nnot ok $count\n";
b45f050a 163 next;
164 }
b45f050a 165 $result =~ s/{\#}/$marker1/;
166 $result =~ s/{\#}/$marker2/;
69f2e79d 167 if ($warning !~ /^\Q$result/)
b45f050a 168 {
69f2e79d 169 print <<"EOM";
170# For $regex, expected:
171# $result
172# Got:
173# $warning
174#
175not ok $count
176EOM
b45f050a 177 next;
178 }
d8176a88 179 print "ok $count - $regex\n";
b45f050a 180}
181
182
183