freebsd-skq/contrib/perl5/t/op/pat.t

603 lines
14 KiB
Perl
Executable File

#!./perl
#
# This is a home for regular expression tests that don't fit into
# the format supported by op/regexp.t. If you want to add a test
# that does fit that format, add it to op/re_tests, not here.
print "1..142\n";
BEGIN {
chdir 't' if -d 't';
@INC = "../lib" if -d "../lib";
}
eval 'use Config'; # Defaults assumed if this fails
# XXX known to leak scalars
$ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3;
$x = "abc\ndef\n";
if ($x =~ /^abc/) {print "ok 1\n";} else {print "not ok 1\n";}
if ($x !~ /^def/) {print "ok 2\n";} else {print "not ok 2\n";}
$* = 1;
if ($x =~ /^def/) {print "ok 3\n";} else {print "not ok 3\n";}
$* = 0;
$_ = '123';
if (/^([0-9][0-9]*)/) {print "ok 4\n";} else {print "not ok 4\n";}
if ($x =~ /^xxx/) {print "not ok 5\n";} else {print "ok 5\n";}
if ($x !~ /^abc/) {print "not ok 6\n";} else {print "ok 6\n";}
if ($x =~ /def/) {print "ok 7\n";} else {print "not ok 7\n";}
if ($x !~ /def/) {print "not ok 8\n";} else {print "ok 8\n";}
if ($x !~ /.def/) {print "ok 9\n";} else {print "not ok 9\n";}
if ($x =~ /.def/) {print "not ok 10\n";} else {print "ok 10\n";}
if ($x =~ /\ndef/) {print "ok 11\n";} else {print "not ok 11\n";}
if ($x !~ /\ndef/) {print "not ok 12\n";} else {print "ok 12\n";}
$_ = 'aaabbbccc';
if (/(a*b*)(c*)/ && $1 eq 'aaabbb' && $2 eq 'ccc') {
print "ok 13\n";
} else {
print "not ok 13\n";
}
if (/(a+b+c+)/ && $1 eq 'aaabbbccc') {
print "ok 14\n";
} else {
print "not ok 14\n";
}
if (/a+b?c+/) {print "not ok 15\n";} else {print "ok 15\n";}
$_ = 'aaabccc';
if (/a+b?c+/) {print "ok 16\n";} else {print "not ok 16\n";}
if (/a*b+c*/) {print "ok 17\n";} else {print "not ok 17\n";}
$_ = 'aaaccc';
if (/a*b?c*/) {print "ok 18\n";} else {print "not ok 18\n";}
if (/a*b+c*/) {print "not ok 19\n";} else {print "ok 19\n";}
$_ = 'abcdef';
if (/bcd|xyz/) {print "ok 20\n";} else {print "not ok 20\n";}
if (/xyz|bcd/) {print "ok 21\n";} else {print "not ok 21\n";}
if (m|bc/*d|) {print "ok 22\n";} else {print "not ok 22\n";}
if (/^$_$/) {print "ok 23\n";} else {print "not ok 23\n";}
$* = 1; # test 3 only tested the optimized version--this one is for real
if ("ab\ncd\n" =~ /^cd/) {print "ok 24\n";} else {print "not ok 24\n";}
$* = 0;
$XXX{123} = 123;
$XXX{234} = 234;
$XXX{345} = 345;
@XXX = ('ok 25','not ok 25', 'ok 26','not ok 26','not ok 27');
while ($_ = shift(@XXX)) {
?(.*)? && (print $1,"\n");
/not/ && reset;
/not ok 26/ && reset 'X';
}
while (($key,$val) = each(%XXX)) {
print "not ok 27\n";
exit;
}
print "ok 27\n";
'cde' =~ /[^ab]*/;
'xyz' =~ //;
if ($& eq 'xyz') {print "ok 28\n";} else {print "not ok 28\n";}
$foo = '[^ab]*';
'cde' =~ /$foo/;
'xyz' =~ //;
if ($& eq 'xyz') {print "ok 29\n";} else {print "not ok 29\n";}
$foo = '[^ab]*';
'cde' =~ /$foo/;
'xyz' =~ /$null/;
if ($& eq 'xyz') {print "ok 30\n";} else {print "not ok 30\n";}
$_ = 'abcdefghi';
/def/; # optimized up to cmd
if ("$`:$&:$'" eq 'abc:def:ghi') {print "ok 31\n";} else {print "not ok 31\n";}
/cde/ + 0; # optimized only to spat
if ("$`:$&:$'" eq 'ab:cde:fghi') {print "ok 32\n";} else {print "not ok 32\n";}
/[d][e][f]/; # not optimized
if ("$`:$&:$'" eq 'abc:def:ghi') {print "ok 33\n";} else {print "not ok 33\n";}
$_ = 'now is the {time for all} good men to come to.';
/ {([^}]*)}/;
if ($1 eq 'time for all') {print "ok 34\n";} else {print "not ok 34 $1\n";}
$_ = 'xxx {3,4} yyy zzz';
print /( {3,4})/ ? "ok 35\n" : "not ok 35\n";
print $1 eq ' ' ? "ok 36\n" : "not ok 36\n";
print /( {4,})/ ? "not ok 37\n" : "ok 37\n";
print /( {2,3}.)/ ? "ok 38\n" : "not ok 38\n";
print $1 eq ' y' ? "ok 39\n" : "not ok 39\n";
print /(y{2,3}.)/ ? "ok 40\n" : "not ok 40\n";
print $1 eq 'yyy ' ? "ok 41\n" : "not ok 41\n";
print /x {3,4}/ ? "not ok 42\n" : "ok 42\n";
print /^xxx {3,4}/ ? "not ok 43\n" : "ok 43\n";
$_ = "now is the time for all good men to come to.";
@words = /(\w+)/g;
print join(':',@words) eq "now:is:the:time:for:all:good:men:to:come:to"
? "ok 44\n"
: "not ok 44\n";
@words = ();
while (/\w+/g) {
push(@words, $&);
}
print join(':',@words) eq "now:is:the:time:for:all:good:men:to:come:to"
? "ok 45\n"
: "not ok 45\n";
@words = ();
pos = 0;
while (/to/g) {
push(@words, $&);
}
print join(':',@words) eq "to:to"
? "ok 46\n"
: "not ok 46 `@words'\n";
pos $_ = 0;
@words = /to/g;
print join(':',@words) eq "to:to"
? "ok 47\n"
: "not ok 47 `@words'\n";
$_ = "abcdefghi";
$pat1 = 'def';
$pat2 = '^def';
$pat3 = '.def.';
$pat4 = 'abc';
$pat5 = '^abc';
$pat6 = 'abc$';
$pat7 = 'ghi';
$pat8 = '\w*ghi';
$pat9 = 'ghi$';
$t1=$t2=$t3=$t4=$t5=$t6=$t7=$t8=$t9=0;
for $iter (1..5) {
$t1++ if /$pat1/o;
$t2++ if /$pat2/o;
$t3++ if /$pat3/o;
$t4++ if /$pat4/o;
$t5++ if /$pat5/o;
$t6++ if /$pat6/o;
$t7++ if /$pat7/o;
$t8++ if /$pat8/o;
$t9++ if /$pat9/o;
}
$x = "$t1$t2$t3$t4$t5$t6$t7$t8$t9";
print $x eq '505550555' ? "ok 48\n" : "not ok 48 $x\n";
$xyz = 'xyz';
print "abc" =~ /^abc$|$xyz/ ? "ok 49\n" : "not ok 49\n";
# perl 4.009 says "unmatched ()"
eval '"abc" =~ /a(bc$)|$xyz/; $result = "$&:$1"';
print $@ eq "" ? "ok 50\n" : "not ok 50\n";
print $result eq "abc:bc" ? "ok 51\n" : "not ok 51\n";
$_="abcfooabcbar";
$x=/abc/g;
print $` eq "" ? "ok 52\n" : "not ok 52\n" if $x;
$x=/abc/g;
print $` eq "abcfoo" ? "ok 53\n" : "not ok 53\n" if $x;
$x=/abc/g;
print $x == 0 ? "ok 54\n" : "not ok 54\n";
pos = 0;
$x=/ABC/gi;
print $` eq "" ? "ok 55\n" : "not ok 55\n" if $x;
$x=/ABC/gi;
print $` eq "abcfoo" ? "ok 56\n" : "not ok 56\n" if $x;
$x=/ABC/gi;
print $x == 0 ? "ok 57\n" : "not ok 57\n";
pos = 0;
$x=/abc/g;
print $' eq "fooabcbar" ? "ok 58\n" : "not ok 58\n" if $x;
$x=/abc/g;
print $' eq "bar" ? "ok 59\n" : "not ok 59\n" if $x;
$_ .= '';
@x=/abc/g;
print scalar @x == 2 ? "ok 60\n" : "not ok 60\n";
$_ = "abdc";
pos $_ = 2;
/\Gc/gc;
print "not " if (pos $_) != 2;
print "ok 61\n";
/\Gc/g;
print "not " if defined pos $_;
print "ok 62\n";
$out = 1;
'abc' =~ m'a(?{ $out = 2 })b';
print "not " if $out != 2;
print "ok 63\n";
$out = 1;
'abc' =~ m'a(?{ $out = 3 })c';
print "not " if $out != 1;
print "ok 64\n";
$_ = 'foobar1 bar2 foobar3 barfoobar5 foobar6';
@out = /(?<!foo)bar./g;
print "not " if "@out" ne 'bar2 barf';
print "ok 65\n";
# Tests which depend on REG_INFTY
$reg_infty = defined $Config{reg_infty} ? $Config{reg_infty} : 32767;
$reg_infty_m = $reg_infty - 1; $reg_infty_p = $reg_infty + 1;
# As well as failing if the pattern matches do unexpected things, the
# next three tests will fail if you should have picked up a lower-than-
# default value for $reg_infty from Config.pm, but have not.
undef $@;
print "not " if eval q(('aaa' =~ /(a{1,$reg_infty_m})/)[0] ne 'aaa') || $@;
print "ok 66\n";
undef $@;
print "not " if eval q(('a' x $reg_infty_m) !~ /a{$reg_infty_m}/) || $@;
print "ok 67\n";
undef $@;
print "not " if eval q(('a' x ($reg_infty_m - 1)) =~ /a{$reg_infty_m}/) || $@;
print "ok 68\n";
undef $@;
eval "'aaa' =~ /a{1,$reg_infty}/";
print "not " if $@ !~ m%^\Q/a{1,$reg_infty}/: Quantifier in {,} bigger than%;
print "ok 69\n";
eval "'aaa' =~ /a{1,$reg_infty_p}/";
print "not "
if $@ !~ m%^\Q/a{1,$reg_infty_p}/: Quantifier in {,} bigger than%;
print "ok 70\n";
undef $@;
# Poke a couple more parse failures
$context = 'x' x 256;
eval qq("${context}y" =~ /(?<=$context)y/);
print "not " if $@ !~ m%^\Q/(?<=\Ex+/: lookbehind longer than 255 not%;
print "ok 71\n";
# This one will fail when POSIX character classes do get implemented
{
my $w;
local $^W = 1;
local $SIG{__WARN__} = sub{$w = shift};
eval q('a' =~ /[[:alpha:]]/);
print "not " if $w !~ /^\QCharacter class syntax [: :] is reserved/;
}
print "ok 72\n";
# Long Monsters
$test = 73;
for $l (125, 140, 250, 270, 300000, 30) { # Ordered to free memory
$a = 'a' x $l;
print "# length=$l\nnot " unless "ba$a=" =~ /a$a=/;
print "ok $test\n";
$test++;
print "not " if "b$a=" =~ /a$a=/;
print "ok $test\n";
$test++;
}
# 20000 nodes, each taking 3 words per string, and 1 per branch
$long_constant_len = join '|', 12120 .. 32645;
$long_var_len = join '|', 8120 .. 28645;
%ans = ( 'ax13876y25677lbc' => 1,
'ax13876y25677mcb' => 0, # not b.
'ax13876y35677nbc' => 0, # Num too big
'ax13876y25677y21378obc' => 1,
'ax13876y25677y21378zbc' => 0, # Not followed by [k-o]
'ax13876y25677y21378y21378kbc' => 1,
'ax13876y25677y21378y21378kcb' => 0, # Not b.
'ax13876y25677y21378y21378y21378kbc' => 0, # 5 runs
);
for ( keys %ans ) {
print "# const-len `$_' not => $ans{$_}\nnot "
if $ans{$_} xor /a(?=([yx]($long_constant_len)){2,4}[k-o]).*b./o;
print "ok $test\n";
$test++;
print "# var-len `$_' not => $ans{$_}\nnot "
if $ans{$_} xor /a(?=([yx]($long_var_len)){2,4}[k-o]).*b./o;
print "ok $test\n";
$test++;
}
$_ = " a (bla()) and x(y b((l)u((e))) and b(l(e)e)e";
$expect = "(bla()) ((l)u((e))) (l(e)e)";
sub matchit {
m/
(
\(
(?{ $c = 1 }) # Initialize
(?:
(?(?{ $c == 0 }) # PREVIOUS iteration was OK, stop the loop
(?!
) # Fail: will unwind one iteration back
)
(?:
[^()]+ # Match a big chunk
(?=
[()]
) # Do not try to match subchunks
|
\(
(?{ ++$c })
|
\)
(?{ --$c })
)
)+ # This may not match with different subblocks
)
(?(?{ $c != 0 })
(?!
) # Fail
) # Otherwise the chunk 1 may succeed with $c>0
/xg;
}
push @ans, $res while $res = matchit;
print "# ans='@ans'\n# expect='$expect'\nnot " if "@ans" ne "1 1 1";
print "ok $test\n";
$test++;
@ans = matchit;
print "# ans='@ans'\n# expect='$expect'\nnot " if "@ans" ne $expect;
print "ok $test\n";
$test++;
@ans = ('a/b' =~ m%(.*/)?(.*)%); # Stack may be bad
print "not " if "@ans" ne 'a/ b';
print "ok $test\n";
$test++;
$code = '{$blah = 45}';
$blah = 12;
eval { /(?$code)/ };
print "not " unless $@ and $@ =~ /not allowed at runtime/ and $blah == 12;
print "ok $test\n";
$test++;
for $code ('{$blah = 45}','=xx') {
$blah = 12;
$res = eval { "xx" =~ /(?$code)/o };
if ($code eq '=xx') {
print "#'$@','$res','$blah'\nnot " unless not $@ and $res;
} else {
print "#'$@','$res','$blah'\nnot " unless $@ and $@ =~ /not allowed at runtime/ and $blah == 12;
}
print "ok $test\n";
$test++;
}
$code = '{$blah = 45}';
$blah = 12;
eval "/(?$code)/";
print "not " if $blah != 45;
print "ok $test\n";
$test++;
$blah = 12;
/(?{$blah = 45})/;
print "not " if $blah != 45;
print "ok $test\n";
$test++;
$x = 'banana';
$x =~ /.a/g;
print "not " unless pos($x) == 2;
print "ok $test\n";
$test++;
$x =~ /.z/gc;
print "not " unless pos($x) == 2;
print "ok $test\n";
$test++;
sub f {
my $p = $_[0];
return $p;
}
$x =~ /.a/g;
print "not " unless f(pos($x)) == 4;
print "ok $test\n";
$test++;
$x = $^R = 67;
'foot' =~ /foo(?{$x = 12; 75})[t]/;
print "not " unless $^R eq '75';
print "ok $test\n";
$test++;
$x = $^R = 67;
'foot' =~ /foo(?{$x = 12; 75})[xy]/;
print "not " unless $^R eq '67' and $x eq '12';
print "ok $test\n";
$test++;
$x = $^R = 67;
'foot' =~ /foo(?{ $^R + 12 })((?{ $x = 12; $^R + 17 })[xy])?/;
print "not " unless $^R eq '79' and $x eq '12';
print "ok $test\n";
$test++;
print "not " unless qr/\b\v$/i eq '(?i-xsm:\bv$)';
print "ok $test\n";
$test++;
print "not " unless qr/\b\v$/s eq '(?s-xim:\bv$)';
print "ok $test\n";
$test++;
print "not " unless qr/\b\v$/m eq '(?m-xis:\bv$)';
print "ok $test\n";
$test++;
print "not " unless qr/\b\v$/x eq '(?x-ism:\bv$)';
print "ok $test\n";
$test++;
print "not " unless qr/\b\v$/xism eq '(?msix:\bv$)';
print "ok $test\n";
$test++;
print "not " unless qr/\b\v$/ eq '(?-xism:\bv$)';
print "ok $test\n";
$test++;
$_ = 'xabcx';
foreach $ans ('', 'c') {
/(?<=(?=a)..)((?=c)|.)/g;
print "not " unless $1 eq $ans;
print "ok $test\n";
$test++;
}
$_ = 'a';
foreach $ans ('', 'a', '') {
/^|a|$/g;
print "not " unless $& eq $ans;
print "ok $test\n";
$test++;
}
sub prefixify {
my($v,$a,$b,$res) = @_;
$v =~ s/\Q$a\E/$b/;
print "not " unless $res eq $v;
print "ok $test\n";
$test++;
}
prefixify('/a/b/lib/arch', "/a/b/lib", 'X/lib', 'X/lib/arch');
prefixify('/a/b/man/arch', "/a/b/man", 'X/man', 'X/man/arch');
$_ = 'var="foo"';
/(\")/;
print "not " unless $1 and /$1/;
print "ok $test\n";
$test++;
$a=qr/(?{++$b})/;
$b = 7;
/$a$a/;
print "not " unless $b eq '9';
print "ok $test\n";
$test++;
$c="$a";
/$a$a/;
print "not " unless $b eq '11';
print "ok $test\n";
$test++;
{
use re "eval";
/$a$c$a/;
print "not " unless $b eq '14';
print "ok $test\n";
$test++;
no re "eval";
$match = eval { /$a$c$a/ };
print "not "
unless $b eq '14' and $@ =~ /Eval-group not allowed/ and not $match;
print "ok $test\n";
$test++;
}
{
package aa;
$c = 2;
$::c = 3;
'' =~ /(?{ $c = 4 })/;
print "not " unless $c == 4;
}
print "ok $test\n";
$test++;
print "not " unless $c == 3;
print "ok $test\n";
$test++;
sub must_warn_pat {
my $warn_pat = shift;
return sub { print "not " unless $_[0] =~ /$warn_pat/ }
}
sub must_warn {
my ($warn_pat, $code) = @_;
local $^W; local %SIG;
eval 'BEGIN { $^W = 1; $SIG{__WARN__} = $warn_pat };' . $code;
print "ok $test\n";
$test++;
}
sub make_must_warn {
my $warn_pat = shift;
return sub { must_warn(must_warn_pat($warn_pat)) }
}
my $for_future = make_must_warn('reserved for future extensions');
&$for_future('q(a:[b]:) =~ /[x[:foo:]]/');
&$for_future('q(a=[b]=) =~ /[x[=foo=]]/');
&$for_future('q(a.[b].) =~ /[x[.foo.]]/');
# test if failure of patterns returns empty list
$_ = 'aaa';
@_ = /bbb/;
print "not " if @_;
print "ok $test\n";
$test++;
@_ = /bbb/g;
print "not " if @_;
print "ok $test\n";
$test++;
@_ = /(bbb)/;
print "not " if @_;
print "ok $test\n";
$test++;
@_ = /(bbb)/g;
print "not " if @_;
print "ok $test\n";
$test++;
# see if matching against temporaries (created via pp_helem()) is safe
{ foo => "ok $test\n".$^X }->{foo} =~ /^(.*)\n/g;
print "$1\n";
$test++;