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Diffstat (limited to 'contrib/perl5/t/op/pat.t')
| -rwxr-xr-x | contrib/perl5/t/op/pat.t | 597 |
1 files changed, 597 insertions, 0 deletions
diff --git a/contrib/perl5/t/op/pat.t b/contrib/perl5/t/op/pat.t new file mode 100755 index 0000000..7d4278f --- /dev/null +++ b/contrib/perl5/t/op/pat.t @@ -0,0 +1,597 @@ +#!./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..141\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++; + |
