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Diffstat (limited to 'contrib/perl5/t/op/regmesg.t')
| -rwxr-xr-x | contrib/perl5/t/op/regmesg.t | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/contrib/perl5/t/op/regmesg.t b/contrib/perl5/t/op/regmesg.t new file mode 100755 index 000000000000..01fa675bd5dc --- /dev/null +++ b/contrib/perl5/t/op/regmesg.t @@ -0,0 +1,179 @@ +#!./perl -w + +BEGIN { + chdir 't' if -d 't'; + @INC = '../lib'; +} + +my $debug = 1; + +## +## If the markers used are changed (search for "MARKER1" in regcomp.c), +## update only these two variables, and leave the {#} in the @death/@warning +## arrays below. The {#} is a meta-marker -- it marks where the marker should +## go. + +my $marker1 = "HERE"; +my $marker2 = " << HERE "; + +## +## Key-value pairs of code/error of code that should have fatal errors. +## + +eval 'use Config'; # assume defaults if fail +our %Config; +my $inf_m1 = ($Config{reg_infty} || 32767) - 1; +my $inf_p1 = $inf_m1 + 2; +my @death = +( + '/[[=foo=]]/' => 'POSIX syntax [= =] is reserved for future extensions before {#} mark in regex m/[[=foo=]{#}]/', + + '/(?<= .*)/' => 'Variable length lookbehind not implemented before {#} mark in regex m/(?<= .*){#}/', + + '/(?<= x{1000})/' => 'Lookbehind longer than 255 not implemented before {#} mark in regex m/(?<= x{1000}){#}/', + + '/(?@)/' => 'Sequence (?@...) not implemented before {#} mark in regex m/(?@{#})/', + + '/(?{ 1/' => 'Sequence (?{...}) not terminated or not {}-balanced before {#} mark in regex m/(?{{#} 1/', + + '/(?(1x))/' => 'Switch condition not recognized before {#} mark in regex m/(?(1x{#}))/', + + '/(?(1)x|y|z)/' => 'Switch (?(condition)... contains too many branches before {#} mark in regex m/(?(1)x|y|{#}z)/', + + '/(?(x)y|x)/' => 'Unknown switch condition (?(x) before {#} mark in regex m/(?({#}x)y|x)/', + + '/(?/' => 'Sequence (? incomplete before {#} mark in regex m/(?{#}/', + + '/(?;x/' => 'Sequence (?;...) not recognized before {#} mark in regex m/(?;{#}x/', + '/(?<;x/' => 'Sequence (?<;...) not recognized before {#} mark in regex m/(?<;{#}x/', + + '/((x)/' => 'Unmatched ( before {#} mark in regex m/({#}(x)/', + + "/x{$inf_p1}/" => "Quantifier in {,} bigger than $inf_m1 before {#} mark in regex m/x{{#}$inf_p1}/", + + '/x{3,1}/' => 'Can\'t do {n,m} with n > m before {#} mark in regex m/x{3,1}{#}/', + + '/x**/' => 'Nested quantifiers before {#} mark in regex m/x**{#}/', + + '/x[/' => 'Unmatched [ before {#} mark in regex m/x[{#}/', + + '/*/', => 'Quantifier follows nothing before {#} mark in regex m/*{#}/', + + '/\p{x/' => 'Missing right brace on \p{} before {#} mark in regex m/\p{{#}x/', + + 'use utf8; /[\p{x]/' => 'Missing right brace on \p{} before {#} mark in regex m/[\p{{#}x]/', + + '/(x)\2/' => 'Reference to nonexistent group before {#} mark in regex m/(x)\2{#}/', + + 'my $m = "\\\"; $m =~ $m', => 'Trailing \ in regex m/\/', + + '/\x{1/' => 'Missing right brace on \x{} before {#} mark in regex m/\x{{#}1/', + + 'use utf8; /[\x{X]/' => 'Missing right brace on \x{} before {#} mark in regex m/[\x{{#}X]/', + + '/[[:barf:]]/' => 'POSIX class [:barf:] unknown before {#} mark in regex m/[[:barf:]{#}]/', + + '/[[=barf=]]/' => 'POSIX syntax [= =] is reserved for future extensions before {#} mark in regex m/[[=barf=]{#}]/', + + '/[[.barf.]]/' => 'POSIX syntax [. .] is reserved for future extensions before {#} mark in regex m/[[.barf.]{#}]/', + + '/[z-a]/' => 'Invalid [] range "z-a" before {#} mark in regex m/[z-a{#}]/', +); + +## +## Key-value pairs of code/error of code that should have non-fatal warnings. +## +@warning = ( + "m/(?p{ 'a' })/" => "(?p{}) is deprecated - use (??{}) before {#} mark in regex m/(?p{#}{ 'a' })/", + + 'm/\b*/' => '\b* matches null string many times before {#} mark in regex m/\b*{#}/', + + 'm/[:blank:]/' => 'POSIX syntax [: :] belongs inside character classes before {#} mark in regex m/[:blank:]{#}/', + + "m'[\\y]'" => 'Unrecognized escape \y in character class passed through before {#} mark in regex m/[\y{#}]/', + + 'm/[a-\d]/' => 'False [] range "a-\d" before {#} mark in regex m/[a-\d{#}]/', + 'm/[\w-x]/' => 'False [] range "\w-" before {#} mark in regex m/[\w-{#}x]/', + "m'\\y'" => 'Unrecognized escape \y passed through before {#} mark in regex m/\y{#}/', +); + +my $total = (@death + @warning)/2; + +# utf8 is a noop on EBCDIC platforms, it is not fatal +my $Is_EBCDIC = (ord('A') == 193); +if ($Is_EBCDIC) { + my @utf8_death = grep(/utf8/, @death); + $total = $total - scalar(@utf8_death); +} + +print "1..$total\n"; + +my $count = 0; + +while (@death) +{ + my $regex = shift @death; + my $result = shift @death; + # skip the utf8 test on EBCDIC since they do not die + next if ($Is_EBCDIC && $regex =~ /utf8/); + $count++; + + $_ = "x"; + eval $regex; + if (not $@) { + print "# oops, $regex didn't die\nnot ok $count\n"; + next; + } + chomp $@; + $result =~ s/{\#}/$marker1/; + $result =~ s/{\#}/$marker2/; + if ($@ !~ /^\Q$result/) { + print "# For $regex, expected:\n# $result\n# Got:\n# $@\n#\nnot "; + } + print "ok $count\n"; +} + + +our $warning; +$SIG{__WARN__} = sub { $warning = shift }; + +while (@warning) +{ + $count++; + my $regex = shift @warning; + my $result = shift @warning; + + undef $warning; + $_ = "x"; + eval $regex; + + if ($@) + { + print "# oops, $regex died with:\n#\t$@#\nnot ok $count\n"; + next; + } + + if (not $warning) + { + print "# oops, $regex didn't generate a warning\nnot ok $count\n"; + next; + } + $result =~ s/{\#}/$marker1/; + $result =~ s/{\#}/$marker2/; + if ($warning !~ /^\Q$result/) + { + print <<"EOM"; +# For $regex, expected: +# $result +# Got: +# $warning +# +not ok $count +EOM + next; + } + print "ok $count\n"; +} + + + |