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Name
Size
Permission
Date
Action
64bitint.t
8.14
KB
-r--r--r--
2014-12-27 11:49
alarm.t
1.5
KB
-r--r--r--
2014-12-27 11:49
anonsub.t
1.7
KB
-r--r--r--
2014-12-27 11:49
append.t
1.58
KB
-r--r--r--
2014-12-27 11:49
args.t
2.12
KB
-r--r--r--
2014-12-27 11:49
array.t
12.32
KB
-r--r--r--
2014-12-27 11:49
array_base.t
720
B
-r--r--r--
2014-12-27 11:49
assignwarn.t
1.52
KB
-r--r--r--
2014-12-27 11:49
attrhand.t
1.01
KB
-r--r--r--
2014-12-27 11:49
attrproto.t
6.55
KB
-r--r--r--
2014-12-27 11:49
attrs.t
10.73
KB
-r--r--r--
2014-12-27 11:49
auto.t
2.36
KB
-r--r--r--
2014-12-27 11:49
avhv.t
4.04
KB
-r--r--r--
2014-12-27 11:49
bless.t
4.12
KB
-r--r--r--
2014-12-27 11:49
blocks.t
2.95
KB
-r--r--r--
2014-12-27 11:49
bop.t
12.82
KB
-r--r--r--
2014-12-27 11:49
caller.pl
3.75
KB
-r--r--r--
2014-12-27 11:49
caller.t
8.14
KB
-r--r--r--
2014-12-27 11:49
chars.t
1.73
KB
-r--r--r--
2014-12-27 11:49
chdir.t
6.68
KB
-r--r--r--
2014-12-27 11:49
chop.t
7.67
KB
-r--r--r--
2014-12-27 11:49
chr.t
2.48
KB
-r--r--r--
2014-12-27 11:49
closure.t
19.6
KB
-r--r--r--
2014-12-27 11:49
closure_test.pl
327
B
-r--r--r--
2014-12-27 11:49
concat2.t
1.41
KB
-r--r--r--
2014-12-27 11:49
cond.t
282
B
-r--r--r--
2014-12-27 11:49
context.t
404
B
-r--r--r--
2014-12-27 11:49
coreamp.t
29.17
KB
-r--r--r--
2014-12-27 11:49
coresubs.t
4.87
KB
-r--r--r--
2014-12-27 11:49
cproto.t
3.6
KB
-r--r--r--
2014-12-27 11:49
crypt.t
1.17
KB
-r--r--r--
2014-12-27 11:49
current_sub.t
1.71
KB
-r--r--r--
2014-12-27 11:49
dbm.t
1.54
KB
-r--r--r--
2014-12-27 11:49
defined.t
551
B
-r--r--r--
2014-12-27 11:49
defins.t
4.84
KB
-r--r--r--
2014-12-27 11:49
delete.t
2.93
KB
-r--r--r--
2014-12-27 11:49
die.t
1.99
KB
-r--r--r--
2014-12-27 11:49
die_except.t
1.57
KB
-r--r--r--
2014-12-27 11:49
die_exit.t
1.9
KB
-r--r--r--
2014-12-27 11:49
die_keeperr.t
1.57
KB
-r--r--r--
2014-12-27 11:49
die_unwind.t
1.69
KB
-r--r--r--
2014-12-27 11:49
do.t
8.35
KB
-r--r--r--
2014-12-27 11:49
dor.t
2.64
KB
-r--r--r--
2014-12-27 11:49
each.t
7.09
KB
-r--r--r--
2014-12-27 11:49
each_array.t
5.48
KB
-r--r--r--
2014-12-27 11:49
eval.t
13.92
KB
-r--r--r--
2014-12-27 11:49
evalbytes.t
989
B
-r--r--r--
2014-12-27 11:49
exec.t
4.36
KB
-r--r--r--
2014-12-27 11:49
exists_sub.t
2.09
KB
-r--r--r--
2014-12-27 11:49
exp.t
1.47
KB
-r--r--r--
2014-12-27 11:49
fh.t
790
B
-r--r--r--
2014-12-27 11:49
filehandle.t
564
B
-r--r--r--
2014-12-27 11:49
filetest.t
11.97
KB
-r--r--r--
2014-12-27 11:49
filetest_stack_ok.t
1.12
KB
-r--r--r--
2014-12-27 11:49
filetest_t.t
1.18
KB
-r--r--r--
2014-12-27 11:49
flip.t
868
B
-r--r--r--
2014-12-27 11:49
for.t
12.77
KB
-r--r--r--
2014-12-27 11:49
fork.t
8.8
KB
-r--r--r--
2014-12-27 11:49
fresh_perl_utf8.t
411
B
-r--r--r--
2014-12-27 11:49
getpid.t
1.61
KB
-r--r--r--
2014-12-27 11:49
getppid.t
3.13
KB
-r--r--r--
2014-12-27 11:49
glob.t
4.22
KB
-r--r--r--
2014-12-27 11:49
gmagic.t
5.97
KB
-r--r--r--
2014-12-27 11:49
goto.t
14.85
KB
-r--r--r--
2014-12-27 11:49
goto_xs.t
2.98
KB
-r--r--r--
2014-12-27 11:49
grent.t
4.46
KB
-r--r--r--
2014-12-27 11:49
grep.t
6.66
KB
-r--r--r--
2014-12-27 11:49
groups.t
11.15
KB
-r--r--r--
2014-12-27 11:49
gv.t
30.15
KB
-r--r--r--
2014-12-27 11:49
hash-rt85026.t
1.57
KB
-r--r--r--
2014-12-27 11:49
hash.t
6.02
KB
-r--r--r--
2014-12-27 11:49
hashassign.t
18.85
KB
-r--r--r--
2014-12-27 11:49
hashwarn.t
2.05
KB
-r--r--r--
2014-12-27 11:49
heredoc.t
2.29
KB
-r--r--r--
2014-12-27 11:49
inc.t
6.72
KB
-r--r--r--
2014-12-27 11:49
inccode-tie.t
338
B
-r--r--r--
2014-12-27 11:49
inccode.t
11.19
KB
-r--r--r--
2014-12-27 11:49
incfilter.t
7.33
KB
-r--r--r--
2014-12-27 11:49
index.t
6.81
KB
-r--r--r--
2014-12-27 11:49
index_thr.t
56
B
-r--r--r--
2014-12-27 11:49
int.t
1.72
KB
-r--r--r--
2014-12-27 11:49
join.t
3.2
KB
-r--r--r--
2014-12-27 11:49
kill0.t
3.18
KB
-r--r--r--
2014-12-27 11:49
kill0_child
596
B
-r--r--r--
2014-12-27 11:49
kvaslice.t
4.66
KB
-r--r--r--
2014-12-27 11:49
kvhslice.t
5.44
KB
-r--r--r--
2014-12-27 11:49
lc.t
11.8
KB
-r--r--r--
2014-12-27 11:49
leaky-magic.t
3.43
KB
-r--r--r--
2014-12-27 11:49
length.t
5.03
KB
-r--r--r--
2014-12-27 11:49
lex.t
2.33
KB
-r--r--r--
2014-12-27 11:49
lex_assign.t
7.17
KB
-r--r--r--
2014-12-27 11:49
lexsub.t
19.62
KB
-r--r--r--
2014-12-27 12:24
lfs.t
6.2
KB
-r--r--r--
2014-12-27 11:49
list.t
5.31
KB
-r--r--r--
2014-12-27 11:52
local.t
17.11
KB
-r--r--r--
2014-12-27 11:49
localref.t
2.73
KB
-r--r--r--
2014-12-27 11:49
lock.t
465
B
-r--r--r--
2014-12-27 11:49
loopctl.t
17.88
KB
-r--r--r--
2014-12-27 11:49
lop.t
1.2
KB
-r--r--r--
2014-12-27 11:49
magic-27839.t
622
B
-r--r--r--
2014-12-27 11:49
magic.t
21.81
KB
-r--r--r--
2014-12-27 11:49
method.t
18.91
KB
-r--r--r--
2014-12-27 11:49
mkdir.t
1.25
KB
-r--r--r--
2014-12-27 11:49
my.t
4.29
KB
-r--r--r--
2014-12-27 11:49
my_stash.t
769
B
-r--r--r--
2014-12-27 11:49
mydef.t
5.51
KB
-r--r--r--
2014-12-27 11:49
negate.t
4.3
KB
-r--r--r--
2014-12-27 11:49
not.t
3.15
KB
-r--r--r--
2014-12-27 11:49
numconvert.t
8.33
KB
-r--r--r--
2014-12-27 11:49
oct.t
3.58
KB
-r--r--r--
2014-12-27 11:49
or.t
1.79
KB
-r--r--r--
2014-12-27 11:49
ord.t
2.48
KB
-r--r--r--
2014-12-27 11:49
overload_integer.t
506
B
-r--r--r--
2014-12-27 11:49
override.t
4.33
KB
-r--r--r--
2014-12-27 11:49
pack.t
65.34
KB
-r--r--r--
2014-12-27 11:49
packagev.t
5.97
KB
-r--r--r--
2014-12-27 11:49
pos.t
3.59
KB
-r--r--r--
2014-12-27 11:49
postfixderef.t
11.97
KB
-r--r--r--
2014-12-27 11:49
pow.t
2.34
KB
-r--r--r--
2014-12-27 11:49
print.t
692
B
-r--r--r--
2014-12-27 11:49
protowarn.t
1.35
KB
-r--r--r--
2014-12-27 11:49
push.t
3.03
KB
-r--r--r--
2014-12-27 11:49
pwent.t
6.63
KB
-r--r--r--
2014-12-27 11:49
qr.t
2.32
KB
-r--r--r--
2014-12-27 11:49
quotemeta.t
5.61
KB
-r--r--r--
2014-12-27 11:49
rand.t
8.31
KB
-r--r--r--
2014-12-27 11:49
range.t
9.25
KB
-r--r--r--
2014-12-27 11:49
read.t
2.28
KB
-r--r--r--
2014-12-27 11:49
readdir.t
2.09
KB
-r--r--r--
2014-12-27 11:49
readline.t
7.19
KB
-r--r--r--
2014-12-27 11:49
recurse.t
2.73
KB
-r--r--r--
2014-12-27 11:49
ref.t
22.74
KB
-r--r--r--
2014-12-27 11:49
repeat.t
4.8
KB
-r--r--r--
2014-12-27 11:49
require_37033.t
1.18
KB
-r--r--r--
2014-12-27 11:49
require_errors.t
3.68
KB
-r--r--r--
2014-12-27 11:49
reset.t
5.41
KB
-r--r--r--
2014-12-27 11:49
reverse.t
3.01
KB
-r--r--r--
2014-12-27 11:49
rt119311.t
5.58
KB
-r--r--r--
2014-12-27 11:49
runlevel.t
5.28
KB
-r--r--r--
2014-12-27 11:49
select.t
1.03
KB
-r--r--r--
2014-12-27 11:49
setpgrpstack.t
378
B
-r--r--r--
2014-12-27 11:49
sigdispatch.t
4.33
KB
-r--r--r--
2014-12-27 11:49
signatures.t
41.02
KB
-r--r--r--
2014-12-27 11:49
sigsystem.t
1.36
KB
-r--r--r--
2014-12-27 11:49
sleep.t
468
B
-r--r--r--
2014-12-27 11:49
smartkve.t
18.26
KB
-r--r--r--
2014-12-27 11:49
smartmatch.t
10.34
KB
-r--r--r--
2014-12-27 11:49
sort.t
28.4
KB
-r--r--r--
2015-01-10 13:17
splice.t
3.38
KB
-r--r--r--
2014-12-27 11:49
split.t
13.1
KB
-r--r--r--
2014-12-27 11:49
split_unicode.t
2.4
KB
-r--r--r--
2014-12-27 11:49
sprintf.t
28.5
KB
-r--r--r--
2014-12-27 11:49
sprintf2.t
5.49
KB
-r--r--r--
2014-12-27 11:49
srand.t
1.87
KB
-r--r--r--
2014-12-27 11:49
sselect.t
2.67
KB
-r--r--r--
2014-12-27 11:49
stash.t
9.01
KB
-r--r--r--
2014-12-27 11:49
stat.t
17.51
KB
-r--r--r--
2014-12-27 11:49
state.t
9.72
KB
-r--r--r--
2014-12-27 12:15
study.t
2.99
KB
-r--r--r--
2014-12-27 11:49
studytied.t
1.29
KB
-r--r--r--
2014-12-27 11:49
sub.t
6.54
KB
-r--r--r--
2014-12-27 11:49
sub_lval.t
24.2
KB
-r--r--r--
2014-12-27 11:49
substr.t
20.53
KB
-r--r--r--
2014-12-27 11:49
substr_thr.t
56
B
-r--r--r--
2014-12-27 11:49
svleak.pl
6
B
-r--r--r--
2014-12-27 11:49
svleak.t
15.93
KB
-r--r--r--
2015-01-10 12:06
switch.t
28.06
KB
-r--r--r--
2014-12-27 11:49
symbolcache.t
1.06
KB
-r--r--r--
2014-12-27 11:49
sysio.t
5
KB
-r--r--r--
2014-12-27 11:49
taint.t
66.84
KB
-r--r--r--
2014-12-27 12:32
threads-dirh.t
3.47
KB
-r--r--r--
2014-12-27 11:49
threads.t
9.3
KB
-r--r--r--
2014-12-27 11:49
threads_create.pl
42
B
-r--r--r--
2014-12-27 11:49
tie.t
28.34
KB
-r--r--r--
2014-12-27 11:49
tie_fetch_count.t
11.49
KB
-r--r--r--
2014-12-27 11:49
tiearray.t
4.53
KB
-r--r--r--
2014-12-27 11:49
tiehandle.t
5.27
KB
-r--r--r--
2014-12-27 11:49
time.t
7.86
KB
-r--r--r--
2015-01-17 11:51
time_loop.t
378
B
-r--r--r--
2014-12-27 11:49
tr.t
12.99
KB
-r--r--r--
2014-12-27 11:49
undef.t
3.15
KB
-r--r--r--
2014-12-27 11:49
universal.t
8.32
KB
-r--r--r--
2014-12-27 11:49
unlink.t
1.02
KB
-r--r--r--
2014-12-27 11:49
unshift.t
3.17
KB
-r--r--r--
2014-12-27 11:49
upgrade.t
1.15
KB
-r--r--r--
2014-12-27 11:49
utf8cache.t
3.83
KB
-r--r--r--
2014-12-27 11:49
utf8decode.t
7.59
KB
-r--r--r--
2014-12-27 11:49
utf8magic.t
808
B
-r--r--r--
2014-12-27 11:49
utfhash.t
5.33
KB
-r--r--r--
2014-12-27 11:49
utftaint.t
4.46
KB
-r--r--r--
2014-12-27 11:49
vec.t
2.87
KB
-r--r--r--
2014-12-27 11:49
ver.t
8.39
KB
-r--r--r--
2014-12-27 11:49
waitpid.t
973
B
-r--r--r--
2014-12-27 11:49
wantarray.t
874
B
-r--r--r--
2014-12-27 11:49
warn.t
4.15
KB
-r--r--r--
2014-12-27 11:49
while.t
3.81
KB
-r--r--r--
2014-12-27 11:49
write.t
39.99
KB
-r--r--r--
2015-01-24 15:03
yadayada.t
1.67
KB
-r--r--r--
2015-01-15 22:12
Save
Rename
#!./perl # A place to put some simple leak tests. Uses XS::APItest to make # PL_sv_count available, allowing us to run a bit of code multiple times and # see if the count increases. BEGIN { chdir 't'; @INC = '../lib'; require './test.pl'; eval { require XS::APItest; XS::APItest->import('sv_count'); 1 } or skip_all("XS::APItest not available"); } use Config; plan tests => 128; # run some code N times. If the number of SVs at the end of loop N is # greater than (N-1)*delta at the end of loop 1, we've got a leak # sub leak { my ($n, $delta, $code, @rest) = @_; my $sv0 = 0; my $sv1 = 0; for my $i (1..$n) { &$code(); $sv1 = sv_count(); $sv0 = $sv1 if $i == 1; } cmp_ok($sv1-$sv0, '<=', ($n-1)*$delta, @rest); } # Like leak, but run a string eval instead. # The code is used instead of the test name # if the name is absent. sub eleak { my ($n,$delta,$code,@rest) = @_; no warnings 'deprecated'; # Silence the literal control character warning leak $n, $delta, sub { eval $code }, @rest ? @rest : $code } # run some expression N times. The expr is concatenated N times and then # evaled, ensuring that that there are no scope exits between executions. # If the number of SVs at the end of expr N is greater than (N-1)*delta at # the end of expr 1, we've got a leak # sub leak_expr { my ($n, $delta, $expr, @rest) = @_; my $sv0 = 0; my $sv1 = 0; my $true = 1; # avoid stuff being optimised away my $code1 = "($expr || \$true)"; my $code = "$code1 && (\$sv0 = sv_count())" . ("&& $code1" x 4) . " && (\$sv1 = sv_count())"; if (eval $code) { cmp_ok($sv1-$sv0, '<=', ($n-1)*$delta, @rest); } else { fail("eval @rest: $@"); } } my @a; leak(5, 0, sub {}, "basic check 1 of leak test infrastructure"); leak(5, 0, sub {push @a,1;pop @a}, "basic check 2 of leak test infrastructure"); leak(5, 1, sub {push @a,1;}, "basic check 3 of leak test infrastructure"); # delete { my $key = "foo"; $key++ while exists $ENV{$key}; leak(2, 0, sub { delete local $ENV{$key} }, 'delete local on nonexistent env var'); } # Fatal warnings my $f = "use warnings FATAL =>"; my $all = "$f 'all';"; eleak(2, 0, "$f 'deprecated'; qq|\\c\{|", 'qq|\c{| with fatal warnings'); eleak(2, 0, "$f 'syntax'; qq|\\c`|", 'qq|\c`| with fatal warnings'); eleak(2, 0, "$all /\$\\ /", '/$\ / with fatal warnings'); eleak(2, 0, "$all s//\\1/", 's//\1/ with fatal warnings'); eleak(2, 0, "$all qq|\\i|", 'qq|\i| with fatal warnings'); eleak(2, 0, "$f 'digit'; qq|\\o{9}|", 'qq|\o{9}| with fatal warnings'); eleak(3, 1, "$f 'misc'; sub foo{} sub foo:lvalue", 'ignored :lvalue with fatal warnings'); eleak(2, 0, "no warnings; use feature ':all'; $f 'misc'; my sub foo{} sub foo:lvalue", 'ignored mysub :lvalue with fatal warnings'); eleak(2, 0, "no warnings; use feature ':all'; $all my sub foo{} sub foo:lvalue{}", 'fatal mysub redef warning'); eleak(2, 0, "$all sub foo{} sub foo{}", 'fatal sub redef warning'); eleak(2, 0, "$all *x=sub {}", 'fatal sub redef warning with sub-to-glob assignment'); eleak(2, 0, "$all *x=sub() {1}", 'fatal const sub redef warning with sub-to-glob assignment'); eleak(2, 0, "$all XS::APItest::newCONSTSUB(\\%main::=>name=>0=>1)", 'newCONSTSUB sub redefinition with fatal warnings'); eleak(2, 0, "$f 'misc'; my\$a,my\$a", 'double my with fatal warnings'); eleak(2, 0, "$f 'misc'; our\$a,our\$a", 'double our with fatal warnings'); eleak(2, 0, "$f 'closure'; sub foo { my \$x; format=\n\@\n\$x\n.\n} write; ", 'format closing over unavailable var with fatal warnings'); eleak(2, 0, "$all /(?{})?/ ", '(?{})? with fatal warnings'); eleak(2, 0, "$all /(?{})+/ ", '(?{})+ with fatal warnings'); eleak(2, 0, "$all /[\\i]/ ", 'invalid charclass escape with fatal warns'); eleak(2, 0, "$all /[:foo:]/ ", '/[:foo:]/ with fatal warnings'); eleak(2, 0, "$all /[a-\\d]/ ", '[a-\d] char class with fatal warnings'); eleak(2, 0, "$all v111111111111111111111111111111111111111111111111", 'vstring num overflow with fatal warnings'); eleak(2, 0, 'sub{<*>}'); # Use a random number of ops, so that the glob op does not reuse the same # address each time, giving us false passes. leak(2, 0, sub { eval '$x+'x(1 + rand() * 100) . '<*>'; }, 'freeing partly iterated glob'); eleak(2, 0, 'goto sub {}', 'goto &sub in eval'); eleak(2, 0, '() = sort { goto sub {} } 1,2', 'goto &sub in sort'); eleak(2, 0, '/(?{ goto sub {} })/', 'goto &sub in regexp'); sub TIEARRAY { bless [], $_[0] } sub FETCH { $_[0]->[$_[1]] } sub STORE { $_[0]->[$_[1]] = $_[2] } # local $tied_elem[..] leaks <20020502143736.N16831@dansat.data-plan.com>" { tie my @a, 'main'; leak(5, 0, sub {local $a[0]}, "local \$tied[0]"); } # Overloading require overload; eleak(2, 0, "BEGIN{overload::constant integer=>sub{}} 1,1,1,1,1,1,1,1,1,1", '"too many errors" from constant overloading returning undef'); # getting this one to leak was complicated; we have to unset LOCALIZE_HH: eleak(2, 0, 'BEGIN{overload::constant integer=>sub{}; $^H &= ~ 0x00020000} 1,1,1,1,1,1,1,1,1,1', '"too many errors" from constant overloading with $^H sabotaged'); eleak(2, 0, "BEGIN{overload::constant integer=>sub{}; undef %^H} 1,1,1,1,1,1,1,1,1,1", '"too many errors" from constant overloading with %^H undefined'); # [perl #74484] repeated tries leaked SVs on the tmps stack leak_expr(5, 0, q{"YYYYYa" =~ /.+?(a(.+?)|b)/ }, "trie leak"); # [perl #48004] map/grep didn't free tmps till the end { # qr/1/ just creates tmps that are hopefully freed per iteration my $s; my @a; my @count = (0) x 4; # pre-allocate # Using 0..3 with constant endpoints will cause an erroneous test fail- # ure, as the SV in the op tree needs to be copied (to protect it), # but copying happens *during iteration*, causing the number of SVs to # go up. Using a variable (0..$_3) will cause evaluation of the range # operator at run time, not compile time, so the values will already be # on the stack before grep starts. my $_3 = 3; grep qr/1/ && ($count[$_] = sv_count()) && 99, 0..$_3; is(@count[3] - @count[0], 0, "void grep expr: no new tmps per iter"); grep { qr/1/ && ($count[$_] = sv_count()) && 99 } 0..$_3; is(@count[3] - @count[0], 0, "void grep block: no new tmps per iter"); $s = grep qr/1/ && ($count[$_] = sv_count()) && 99, 0..$_3; is(@count[3] - @count[0], 0, "scalar grep expr: no new tmps per iter"); $s = grep { qr/1/ && ($count[$_] = sv_count()) && 99 } 0..$_3; is(@count[3] - @count[0], 0, "scalar grep block: no new tmps per iter"); @a = grep qr/1/ && ($count[$_] = sv_count()) && 99, 0..$_3; is(@count[3] - @count[0], 0, "list grep expr: no new tmps per iter"); @a = grep { qr/1/ && ($count[$_] = sv_count()) && 99 } 0..$_3; is(@count[3] - @count[0], 0, "list grep block: no new tmps per iter"); map qr/1/ && ($count[$_] = sv_count()) && 99, 0..$_3; is(@count[3] - @count[0], 0, "void map expr: no new tmps per iter"); map { qr/1/ && ($count[$_] = sv_count()) && 99 } 0..$_3; is(@count[3] - @count[0], 0, "void map block: no new tmps per iter"); $s = map qr/1/ && ($count[$_] = sv_count()) && 99, 0..$_3; is(@count[3] - @count[0], 0, "scalar map expr: no new tmps per iter"); $s = map { qr/1/ && ($count[$_] = sv_count()) && 99 } 0..$_3; is(@count[3] - @count[0], 0, "scalar map block: no new tmps per iter"); @a = map qr/1/ && ($count[$_] = sv_count()) && 99, 0..$_3; is(@count[3] - @count[0], 3, "list map expr: one new tmp per iter"); @a = map { qr/1/ && ($count[$_] = sv_count()) && 99 } 0..$_3; is(@count[3] - @count[0], 3, "list map block: one new tmp per iter"); } SKIP: { # broken by 304474c3, fixed by cefd5c7c, but didn't seem to cause # any other test failures # base test case from ribasushi (Peter Rabbitson) eval { require Scalar::Util; Scalar::Util->import("weaken"); 1; } or skip "no weaken", 1; my $weak; { $weak = my $in = {}; weaken($weak); my $out = { in => $in, in => undef } } ok(!$weak, "hash referenced weakened SV released"); } # prototype() errors leak(2,0, sub { eval { prototype "CORE::fu" } }, 'prototype errors'); # RT #72246: rcatline memory leak on bad $/ leak(2, 0, sub { my $f; open CATLINE, '<', \$f; local $/ = "\x{262E}"; my $str = "\x{2622}"; eval { $str .= <CATLINE> }; }, "rcatline leak" ); { my $RE = qr/ (?: <(?<tag> \s* [^>\s]+ )> )?? /xis; "<html><body></body></html>" =~ m/$RE/gcs; leak(5, 0, sub { my $tag = $+{tag}; }, "named regexp captures"); } eleak(2,0,'/[:]/'); eleak(2,0,'/[\xdf]/i'); eleak(2,0,'s![^/]!!'); eleak(2,0,'/[pp]/'); eleak(2,0,'/[[:ascii:]]/'); eleak(2,0,'/[[.zog.]]/'); eleak(2,0,'/[.zog.]/'); eleak(2,0,'/|\W/', '/|\W/ [perl #123198]'); eleak(2,0,'no warnings; /(?[])/'); eleak(2,0,'no warnings; /(?[[a]+[b]])/'); eleak(2,0,'no warnings; /(?[[a]-[b]])/'); eleak(2,0,'no warnings; /(?[[a]&[b]])/'); eleak(2,0,'no warnings; /(?[[a]|[b]])/'); eleak(2,0,'no warnings; /(?[[a]^[b]])/'); eleak(2,0,'no warnings; /(?[![a]])/'); eleak(2,0,'no warnings; /(?[\p{Word}])/'); eleak(2,0,'no warnings; /(?[[a]+)])/'); eleak(2,0,'no warnings; /(?[\d\d)])/'); # These can generate one ref count, but just once. eleak(4,1,'chr(0x100) =~ /[[:punct:]]/'); eleak(4,1,'chr(0x100) =~ /[[:^punct:]]/'); eleak(4,1,'chr(0x100) =~ /[[:word:]]/'); eleak(4,1,'chr(0x100) =~ /[[:^word:]]/'); eleak(2,0,'chr(0x100) =~ /\P{Assigned}/'); leak(2,0,sub { /(??{})/ }, '/(??{})/'); leak(2,0,sub { !$^V }, '[perl #109762] version object in boolean context'); # [perl #114356] run-time rexexp with unchanging pattern got # inflated refcounts eleak(2, 0, q{ my $x = "x"; "abc" =~ /$x/ for 1..5 }, '#114356'); eleak(2, 0, 'sub', '"sub" with nothing following'); eleak(2, 0, '+sub:a{}', 'anon subs with invalid attributes'); eleak(2, 0, 'no warnings; sub a{1 1}', 'sub with syntax error'); eleak(2, 0, 'no warnings; sub {1 1}', 'anon sub with syntax error'); eleak(2, 0, 'no warnings; use feature ":all"; my sub a{1 1}', 'my sub with syntax error'); # Reification (or lack thereof) leak(2, 0, sub { sub { local $_[0]; shift }->(1) }, 'local $_[0] on surreal @_, followed by shift'); leak(2, 0, sub { sub { local $_[0]; \@_ }->(1) }, 'local $_[0] on surreal @_, followed by reification'); sub recredef {} sub Recursive::Redefinition::DESTROY { *recredef = sub { CORE::state $x } # state makes it cloneable } leak(2, 0, sub { bless \&recredef, "Recursive::Redefinition"; eval "sub recredef{}" }, 'recursive sub redefinition'); # Syntax errors eleak(2, 0, '"${<<END}" ', 'unterminated here-doc in quotes in multiline eval'); eleak(2, 0, '"${<<END }"', 'unterminated here-doc in multiline quotes in eval'); leak(2, 0, sub { eval { do './op/svleak.pl' } }, 'unterminated here-doc in file'); eleak(2, 0, 'tr/9-0//'); eleak(2, 0, 'tr/a-z-0//'); eleak(2, 0, 'no warnings; nonexistent_function 33838', 'bareword followed by number'); eleak(2, 0, '//dd;'x20, '"too many errors" when parsing m// flags'); eleak(2, 0, 's///dd;'x20, '"too many errors" when parsing s/// flags'); eleak(2, 0, 'no warnings; 2 2;BEGIN{}', 'BEGIN block after syntax error'); { local %INC; # in case Errno is already loaded eleak(2, 0, 'no warnings; 2@!{', 'implicit "use Errno" after syntax error'); } eleak(2, 0, "\"\$\0\356\"", 'qq containing $ <null> something'); eleak(2, 0, 'END OF TERMS AND CONDITIONS', 'END followed by words'); eleak(2, 0, "+ + +;qq|\\N{a}|"x10,'qq"\N{a}" after errors'); eleak(2, 0, "qq|\\N{%}|", 'qq"\N{%}" (invalid charname)'); eleak(2, 0, "qq|\\N{au}|;", 'qq"\N{invalid}"'); eleak(2, 0, "qq|\\c|;"x10, '"too many errors" from qq"\c"'); eleak(2, 0, "qq|\\o|;"x10, '"too many errors" from qq"\o"'); eleak(2, 0, "qq|\\x{|;"x10, '"too many errors" from qq"\x{"'); eleak(2, 0, "qq|\\N|;"x10, '"too many errors" from qq"\N"'); eleak(2, 0, "qq|\\N{|;"x10, '"too many errors" from qq"\N{"'); eleak(2, 0, "qq|\\N{U+GETG}|;"x10,'"too many errors" from qq"\N{U+JUNK}"'); # [perl #114764] Attributes leak scalars leak(2, 0, sub { eval 'my $x : shared' }, 'my $x :shared used to leak'); eleak(2, 0, 'ref: 1', 'labels'); # Tied hash iteration was leaking if the hash was freed before itera- # tion was over. package t { sub TIEHASH { bless [] } sub FIRSTKEY { 0 } } leak(2, 0, sub { my $h = {}; tie %$h, t; each %$h; undef $h; }, 'tied hash iteration does not leak'); package explosive_scalar { sub TIESCALAR { my $self = shift; bless [undef, {@_}], $self } sub FETCH { die 'FETCH' if $_[0][1]{FETCH}; $_[0][0] } sub STORE { die 'STORE' if $_[0][1]{STORE}; $_[0][0] = $_[1] } } tie my $die_on_fetch, 'explosive_scalar', FETCH => 1; # List assignment was leaking when assigning explosive scalars to # aggregates. leak(2, 0, sub { eval {%a = ($die_on_fetch, 0)}; # key eval {%a = (0, $die_on_fetch)}; # value eval {%a = ($die_on_fetch, $die_on_fetch)}; # both eval {%a = ($die_on_fetch)}; # key, odd elements }, 'hash assignment does not leak'); leak(2, 0, sub { eval {@a = ($die_on_fetch)}; eval {($die_on_fetch, $b) = ($b, $die_on_fetch)}; # restore tie $die_on_fetch, 'explosive_scalar', FETCH => 1; }, 'array assignment does not leak'); # [perl #107000] package hhtie { sub TIEHASH { bless [] } sub STORE { $_[0][0]{$_[1]} = $_[2] } sub FETCH { die if $explosive; $_[0][0]{$_[1]} } sub FIRSTKEY { keys %{$_[0][0]}; each %{$_[0][0]} } sub NEXTKEY { each %{$_[0][0]} } } leak(2, 0, sub { eval q` BEGIN { $hhtie::explosive = 0; tie %^H, hhtie; $^H{foo} = bar; $hhtie::explosive = 1; } { 1; } `; }, 'hint-hash copying does not leak'); package explosive_array { sub TIEARRAY { bless [[], {}], $_[0] } sub FETCH { die if $_[0]->[1]{FETCH}; $_[0]->[0][$_[1]] } sub FETCHSIZE { die if $_[0]->[1]{FETCHSIZE}; scalar @{ $_[0]->[0] } } sub STORE { die if $_[0]->[1]{STORE}; $_[0]->[0][$_[1]] = $_[2] } sub CLEAR { die if $_[0]->[1]{CLEAR}; @{$_[0]->[0]} = () } sub EXTEND { die if $_[0]->[1]{EXTEND}; return } sub explode { my $self = shift; $self->[1] = {@_} } } leak(2, 0, sub { tie my @a, 'explosive_array'; tied(@a)->explode( STORE => 1 ); my $x = 0; eval { @a = ($x) }; }, 'explosive array assignment does not leak'); leak(2, 0, sub { my ($a, $b); eval { warn $die_on_fetch }; }, 'explosive warn argument'); leak(2, 0, sub { my $foo = sub { return $die_on_fetch }; my $res = eval { $foo->() }; my @res = eval { $foo->() }; }, 'function returning explosive does not leak'); leak(2, 0, sub { my $res = eval { {$die_on_fetch, 0} }; $res = eval { {0, $die_on_fetch} }; }, 'building anon hash with explosives does not leak'); leak(2, 0, sub { my $res = eval { [$die_on_fetch] }; }, 'building anon array with explosives does not leak'); leak(2, 0, sub { my @a; eval { push @a, $die_on_fetch }; }, 'pushing exploding scalar does not leak'); leak(2, 0, sub { eval { push @-, '' }; }, 'pushing onto read-only array does not leak'); # Run-time regexp code blocks { use re 'eval'; my @tests = ('[(?{})]','(?{})'); for my $t (@tests) { leak(2, 0, sub { / $t/; }, "/ \$x/ where \$x is $t does not leak"); leak(2, 0, sub { /(?{})$t/; }, "/(?{})\$x/ where \$x is $t does not leak"); } } { use warnings FATAL => 'all'; leak(2, 0, sub { no warnings 'once'; eval { printf uNopened 42 }; }, 'printfing to bad handle under fatal warnings does not leak'); open my $fh, ">", \my $buf; leak(2, 0, sub { eval { printf $fh chr 2455 }; }, 'wide fatal warning does not make printf leak'); close $fh or die $!; } leak(2,0,sub{eval{require untohunothu}}, 'requiring nonexistent module'); # [perl #120939] use constant const_av_xsub_leaked => 1 .. 3; leak(5, 0, sub { scalar &const_av_xsub_leaked }, "const_av_sub in scalar context");