[perl5.git] / t / uni / stash.t

#!./perl

#
# various stash tests
#

BEGIN {
    chdir 't' if -d 't';
    require './test.pl';
    set_up_inc('../lib');
}

use utf8;
use open qw( :utf8 :std );

plan( tests => 49 );

#These come from op/my_stash.t
{
    use constant Myクラス => 'ꕽ::Ʉ::ꔬz::ꢨᙇ';
    
    {
        package ꕽ::Ʉ::ꔬz::ꢨᙇ;
        1;
    }
    
    for (qw(ꕽ ꕽ:: Myクラス __PACKAGE__)) {
        eval "sub { my $_ \$obj = shift; }";
        ok ! $@, "op/my_stash.t test, $_";
    }
    
    use constant NòClàss => '노pӬ::ꕽ::Ꜻ::BӢz::ʙࡆ';
    
    for (qw(노pӬ 노pӬ:: NòClàss)) {
        eval "sub { my $_ \$obj = shift; }";
        ok $@, "op/my_stash.t test";
    }
}

#op/stash.t
{
    package ᛐⲞɲe::Šꇇᚽṙᆂṗ;
    $본go::ଶfʦbᚒƴ::scalar = 1;
    
    package main;
        
    # now tests with strictures
    
    {
        use strict;
        ok( !exists $piƓ::{bodine}, q(referencing a non-existent stash element doesn't produce stricture errors) );
    }

    SKIP: {
        eval { require B; 1 } or skip "no B", 28;
    
        *b = \&B::svref_2object;
        my $CVf_ANON = B::CVf_ANON();
    
        my $sub = do {
            package 온ꪵ;
            \&{"온ꪵ"};
        };
        delete $온ꪵ::{온ꪵ};
        my $gv = b($sub)->GV;
    
        object_ok( $gv, "B::GV", "deleted stash entry leaves CV with valid GV");
        is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set");
        is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name");
        is( eval { $gv->STASH->NAME }, "온ꪵ", "...but leaves stash intact");
    
        $sub = do {
            package tꖿ;
            \&{"tꖿ"};
        };
        %tꖿ:: = ();
        $gv = b($sub)->GV;
    
        object_ok( $gv, "B::GV", "cleared stash leaves CV with valid GV");
        is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set");
        is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name");
        is( eval { $gv->STASH->NAME }, "tꖿ", "...but leaves stash intact");
    
        $sub = do {
            package ᖟ레ￇ;
            \&{"ᖟ레ￇ"};
        };
        undef %ᖟ레ￇ::;
        $gv = b($sub)->GV;
    
        object_ok( $gv, "B::GV", "undefed stash leaves CV with valid GV");
        is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set");
        is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name");
        is( eval { $gv->STASH->NAME }, "__ANON__", "...and an __ANON__ stash");
    
        my $sub = do {
            package ꃖᚢ;
            sub { 1 };
        };
        %ꃖᚢ:: = ();
    
        my $gv = B::svref_2object($sub)->GV;
        ok($gv->isa(q/B::GV/), "cleared stash leaves anon CV with valid GV");
    
        my $st = eval { $gv->STASH->NAME };
        is($st, q/ꃖᚢ/, "...but leaves the stash intact");
    
        $sub = do {
            package fꢄᶹᵌ;
            sub { 1 };
        };
        undef %fꢄᶹᵌ::;
    
        $gv = B::svref_2object($sub)->GV;
        ok($gv->isa(q/B::GV/), "undefed stash leaves anon CV with valid GV");
    
        $st = eval { $gv->STASH->NAME };

        { local $TODO = 'STASHES not anonymized';
            is($st, q/__ANON__/, "...and an __ANON__ stash");
        }

        $sub = do {
            package sӥㄒ;
            \&{"sӥㄒ"}
        };
        my $stash_glob = delete $::{"sӥㄒ::"};
        # Now free the GV while the stash still exists (though detached)
        delete $$stash_glob{"sӥㄒ"};
        $gv = B::svref_2object($sub)->GV;
        ok($gv->isa(q/B::GV/),
        'anonymised CV whose stash is detached still has a GV');
        #fails because mro_gather_and_rename isn't clean
        is $gv->STASH->NAME, '__ANON__',
        'CV anonymised when its stash is detached becomes __ANON__::__ANON__';

        # CvSTASH should be null on a named sub if the stash has been deleted
        {
            package ＦŌŌ;
            sub Ƒಓ {}
            my $rfoo = \&Ƒಓ;
            package main;
            delete $::{'ＦŌŌ::'};
            my $cv = B::svref_2object($rfoo);
            # (is there a better way of testing for NULL ?)
            my $stash = $cv->STASH;
            like($stash, qr/B::SPECIAL/, "NULL CvSTASH on named sub");
        }
    
        # on glob reassignment, orphaned CV should have anon CvGV
    
        {
            my $r;
            eval q[
                package ＦŌŌ௨;
                sub Ƒ{};
                $r = \&Ƒ;
                *Ƒ = sub {};
            ];
            delete $ＦŌŌ௨::{Ƒ};
            my $cv = B::svref_2object($r);
            my $gv = $cv->GV;
            ok($gv->isa(q/B::GV/), "orphaned CV has valid GV");
            is($gv->NAME, '__ANON__', "orphaned CV has anon GV");
        }
    
        # deleting __ANON__ glob shouldn't break things
    
        {
            package ＦŌŌ３;
            sub 남えㄉ {};
            my $anon = sub {};
            my $남えㄉ = eval q[*남えㄉ{CODE}]; # not \&남えㄉ; need a real GV
            package main;
            delete $ＦŌŌ３::{남えㄉ}; # make named anonymous
    
            delete $ＦŌŌ３::{__ANON__}; # whoops!
            my ($cv,$gv);
            $cv = B::svref_2object($남えㄉ);
            $gv = $cv->GV;
            ok($gv->isa(q/B::GV/), "ex-named CV has valid GV");
            is($gv->NAME, '__ANON__', "ex-named CV has anon GV");
    
            $cv = B::svref_2object($anon);
            $gv = $cv->GV;
            ok($gv->isa(q/B::GV/), "anon CV has valid GV");
            is($gv->NAME, '__ANON__', "anon CV has anon GV");
        }
    
        {
            my $r;
            {
                package bᓙṗ;
    
                BEGIN {
                    $r = \&main::Ẃⱒcᴷ;
                }
            }
    
            my $br = B::svref_2object($r);
            is ($br->STASH->NAME, 'bᓙṗ',
                'stub records the package it was compiled in');
    
            # We need to take this reference "late", after the subroutine is
            # defined.
            $br = B::svref_2object(eval 'sub Ẃⱒcᴷ {}; \&Ẃⱒcᴷ');
            die $@ if $@;
    
            is ($br->STASH->NAME, 'main',
                'definition overrides the package it was compiled in');
            like ($br->FILE, qr/eval/,
                'definition overrides the file it was compiled in');
        }
    }
    
    # make sure having a sub called __ANON__ doesn't confuse perl.
    
    {
        package クラス;
        my $c;
        sub __ANON__ { $c = (caller(0))[3]; }
        {
            local $@;
            eval { ok(1); };
            ::like($@, qr/^Undefined subroutine &クラス::ok/);
        }
        __ANON__();
        ::is ($c, 'クラス::__ANON__', '__ANON__ sub called ok');
    }

    # Stashes that are effectively renamed
    {
        package rìle;
    
        use Config;
    
        my $obj  = bless [];
        my $globref = \*tàt;
    
        # effectively rename a stash
        *slìn:: = *rìle::; *rìle:: = *zòr::;
        
        ::is *$globref, "*rìle::tàt",
        'globs stringify the same way when stashes are moved';
        ::is ref $obj, "rìle",
        'ref() returns the same thing when an object’s stash is moved';
        ::like "$obj", qr "^rìle=ARRAY\(0x[\da-f]+\)\z",
        'objects stringify the same way when their stashes are moved';
        ::is eval '__PACKAGE__', 'rìle',
            '__PACKAGE__ returns the same when the current stash is moved';
    
        # Now detach it completely from the symtab, making it effect-
        # ively anonymous
        my $life_raft = \%slìn::;
        *slìn:: = *zòr::;
    
        ::is *$globref, "*rìle::tàt",
        'globs stringify the same way when stashes are detached';
        ::is ref $obj, "rìle",
        'ref() returns the same thing when an object’s stash is detached';
        ::like "$obj", qr "^rìle=ARRAY\(0x[\da-f]+\)\z",
        'objects stringify the same way when their stashes are detached';
        ::is eval '__PACKAGE__', 'rìle',
            '__PACKAGE__ returns the same when the current stash is detached';
    }
    
    # Setting the name during undef %stash:: should have no effect.
    {
        my $glob = \*Phòò::glòb;
        sub ò::DESTROY { eval '++$Phòò::bòr' }
        no strict 'refs';
        ${"Phòò::thòng1"} = bless [], "ò";
        undef %Phòò::;
        is "$$glob", "*__ANON__::glòb",
        "setting stash name during undef has no effect";
    }
    
    # [perl #88134] incorrect package structure
    {
        package Bèàr::;
        sub bàz{1}
        package main;
        ok eval { Bèàr::::bàz() },
        'packages ending with :: are self-consistent';
    }
    
    # [perl #88138] ' not equivalent to :: before a null
    ${"à'\0b"} = "c";
    is ${"à::\0b"}, "c", "' is equivalent to :: before a null";
}
Commit	Line	Data
abe837ce BF	1	#!./perl
	2
	3	#
	4	# various stash tests
	5	#
	6
	7	BEGIN {
	8	chdir 't' if -d 't';
abe837ce	9	require './test.pl';
d8e927e4	10	set_up_inc('../lib');
abe837ce BF	11	}
	12
	13	use utf8;
	14	use open qw( :utf8 :std );
	15
e35475de	16	plan( tests => 49 );
abe837ce BF	17
	18	#These come from op/my_stash.t
	19	{
	20	use constant Myクラス => 'ꕽ::Ʉ::ꔬz::ꢨᙇ';
	21
	22	{
	23	package ꕽ::Ʉ::ꔬz::ꢨᙇ;
	24	1;
	25	}
	26
	27	for (qw(ꕽ ꕽ:: Myクラス __PACKAGE__)) {
	28	eval "sub { my $_ \$obj = shift; }";
	29	ok ! $@, "op/my_stash.t test, $_";
	30	}
	31
	32	use constant NòClàss => '노pӬ::ꕽ::Ꜻ::BӢz::ʙࡆ';
	33
	34	for (qw(노pӬ 노pӬ:: NòClàss)) {
	35	eval "sub { my $_ \$obj = shift; }";
	36	ok $@, "op/my_stash.t test";
	37	}
	38	}
	39
	40	#op/stash.t
	41	{
abe837ce BF	42	package ᛐⲞɲe::Šꇇᚽṙᆂṗ;
	43	$본go::ଶfʦbᚒƴ::scalar = 1;
	44
	45	package main;
	46
abe837ce BF	47	# now tests with strictures
	48
	49	{
	50	use strict;
abe837ce BF	51	ok( !exists $piƓ::{bodine}, q(referencing a non-existent stash element doesn't produce stricture errors) );
	52	}
	53
	54	SKIP: {
8cb149dc	55	eval { require B; 1 } or skip "no B", 28;
abe837ce BF	56
	57	*b = \&B::svref_2object;
	58	my $CVf_ANON = B::CVf_ANON();
	59
	60	my $sub = do {
	61	package 온ꪵ;
	62	\&{"온ꪵ"};
	63	};
	64	delete $온ꪵ::{온ꪵ};
	65	my $gv = b($sub)->GV;
	66
bbce3ca6	67	object_ok( $gv, "B::GV", "deleted stash entry leaves CV with valid GV");
abe837ce BF	68	is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set");
	69	is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name");
	70	is( eval { $gv->STASH->NAME }, "온ꪵ", "...but leaves stash intact");
	71
	72	$sub = do {
	73	package tꖿ;
	74	\&{"tꖿ"};
	75	};
	76	%tꖿ:: = ();
	77	$gv = b($sub)->GV;
	78
bbce3ca6	79	object_ok( $gv, "B::GV", "cleared stash leaves CV with valid GV");
abe837ce BF	80	is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set");
	81	is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name");
	82	is( eval { $gv->STASH->NAME }, "tꖿ", "...but leaves stash intact");
	83
	84	$sub = do {
	85	package ᖟ레ￇ;
	86	\&{"ᖟ레ￇ"};
	87	};
	88	undef %ᖟ레ￇ::;
	89	$gv = b($sub)->GV;
	90
bbce3ca6	91	object_ok( $gv, "B::GV", "undefed stash leaves CV with valid GV");
abe837ce BF	92	is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set");
	93	is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name");
	94	is( eval { $gv->STASH->NAME }, "__ANON__", "...and an __ANON__ stash");
	95
	96	my $sub = do {
	97	package ꃖᚢ;
	98	sub { 1 };
	99	};
	100	%ꃖᚢ:: = ();
	101
	102	my $gv = B::svref_2object($sub)->GV;
	103	ok($gv->isa(q/B::GV/), "cleared stash leaves anon CV with valid GV");
	104
	105	my $st = eval { $gv->STASH->NAME };
	106	is($st, q/ꃖᚢ/, "...but leaves the stash intact");
	107
	108	$sub = do {
	109	package fꢄᶹᵌ;
	110	sub { 1 };
	111	};
	112	undef %fꢄᶹᵌ::;
	113
	114	$gv = B::svref_2object($sub)->GV;
	115	ok($gv->isa(q/B::GV/), "undefed stash leaves anon CV with valid GV");
	116
	117	$st = eval { $gv->STASH->NAME };
	118
	119	{ local $TODO = 'STASHES not anonymized';
	120	is($st, q/__ANON__/, "...and an __ANON__ stash");
	121	}
	122
	123	$sub = do {
	124	package sӥㄒ;
	125	\&{"sӥㄒ"}
	126	};
	127	my $stash_glob = delete $::{"sӥㄒ::"};
	128	# Now free the GV while the stash still exists (though detached)
	129	delete $$stash_glob{"sӥㄒ"};
	130	$gv = B::svref_2object($sub)->GV;
	131	ok($gv->isa(q/B::GV/),
	132	'anonymised CV whose stash is detached still has a GV');
	133	#fails because mro_gather_and_rename isn't clean
	134	is $gv->STASH->NAME, '__ANON__',
	135	'CV anonymised when its stash is detached becomes __ANON__::__ANON__';
	136
	137	# CvSTASH should be null on a named sub if the stash has been deleted
	138	{
	139	package ＦŌŌ;
	140	sub Ƒಓ {}
	141	my $rfoo = \&Ƒಓ;
	142	package main;
	143	delete $::{'ＦŌŌ::'};
	144	my $cv = B::svref_2object($rfoo);
	145	# (is there a better way of testing for NULL ?)
	146	my $stash = $cv->STASH;
	147	like($stash, qr/B::SPECIAL/, "NULL CvSTASH on named sub");
	148	}
	149
	150	# on glob reassignment, orphaned CV should have anon CvGV
	151
	152	{
	153	my $r;
	154	eval q[
	155	package ＦŌŌ௨;
156	sub Ƒ{};
157	$r = \&Ƒ;
158	*Ƒ = sub {};
159	];
160	delete $ＦŌŌ௨::{Ƒ};
161	my $cv = B::svref_2object($r);
162	my $gv = $cv->GV;
163	ok($gv->isa(q/B::GV/), "orphaned CV has valid GV");
164	is($gv->NAME, '__ANON__', "orphaned CV has anon GV");
165	}
166
167	# deleting __ANON__ glob shouldn't break things
168
169	{
170	package ＦŌŌ３;
171	sub 남えㄉ {};
172	my $anon = sub {};
6881372e	173	my $남えㄉ = eval q[*남えㄉ{CODE}]; # not \&남えㄉ; need a real GV
abe837ce BF	174	package main;
	175	delete $ＦŌŌ３::{남えㄉ}; # make named anonymous
	176
	177	delete $ＦŌŌ３::{__ANON__}; # whoops!
	178	my ($cv,$gv);
	179	$cv = B::svref_2object($남えㄉ);
	180	$gv = $cv->GV;
	181	ok($gv->isa(q/B::GV/), "ex-named CV has valid GV");
	182	is($gv->NAME, '__ANON__', "ex-named CV has anon GV");
	183
	184	$cv = B::svref_2object($anon);
	185	$gv = $cv->GV;
	186	ok($gv->isa(q/B::GV/), "anon CV has valid GV");
	187	is($gv->NAME, '__ANON__', "anon CV has anon GV");
	188	}
	189
	190	{
	191	my $r;
	192	{
	193	package bᓙṗ;
	194
	195	BEGIN {
	196	$r = \&main::Ẃⱒcᴷ;
	197	}
	198	}
	199
	200	my $br = B::svref_2object($r);
	201	is ($br->STASH->NAME, 'bᓙṗ',
	202	'stub records the package it was compiled in');
	203
	204	# We need to take this reference "late", after the subroutine is
	205	# defined.
	206	$br = B::svref_2object(eval 'sub Ẃⱒcᴷ {}; \&Ẃⱒcᴷ');
	207	die $@ if $@;
	208
	209	is ($br->STASH->NAME, 'main',
	210	'definition overrides the package it was compiled in');
	211	like ($br->FILE, qr/eval/,
	212	'definition overrides the file it was compiled in');
	213	}
	214	}
	215
	216	# make sure having a sub called __ANON__ doesn't confuse perl.
	217
	218	{
	219	package クラス;
	220	my $c;
	221	sub __ANON__ { $c = (caller(0))[3]; }
	222	{
	223	local $@;
	224	eval { ok(1); };
	225	::like($@, qr/^Undefined subroutine &クラス::ok/);
	226	}
	227	__ANON__();
	228	::is ($c, 'クラス::__ANON__', '__ANON__ sub called ok');
	229	}
	230
	231	# Stashes that are effectively renamed
2e434a10	232	{
abe837ce BF	233	package rìle;
	234
	235	use Config;
	236
	237	my $obj = bless [];
	238	my $globref = \*tàt;
	239
	240	# effectively rename a stash
	241	slìn:: = rìle::; rìle:: = zòr::;
	242
	243	::is $globref, "rìle::tàt",
	244	'globs stringify the same way when stashes are moved';
	245	::is ref $obj, "rìle",
	246	'ref() returns the same thing when an object’s stash is moved';
	247	::like "$obj", qr "^rìle=ARRAY\(0x[\da-f]+\)\z",
	248	'objects stringify the same way when their stashes are moved';
2b2e8705	249	::is eval '__PACKAGE__', 'rìle',
abe837ce	250	'__PACKAGE__ returns the same when the current stash is moved';
abe837ce BF	251
	252	# Now detach it completely from the symtab, making it effect-
	253	# ively anonymous
	254	my $life_raft = \%slìn::;
	255	slìn:: = zòr::;
	256
	257	::is $globref, "rìle::tàt",
	258	'globs stringify the same way when stashes are detached';
	259	::is ref $obj, "rìle",
	260	'ref() returns the same thing when an object’s stash is detached';
	261	::like "$obj", qr "^rìle=ARRAY\(0x[\da-f]+\)\z",
	262	'objects stringify the same way when their stashes are detached';
9343f4cf	263	::is eval '__PACKAGE__', 'rìle',
abe837ce	264	'__PACKAGE__ returns the same when the current stash is detached';
abe837ce BF	265	}
	266
	267	# Setting the name during undef %stash:: should have no effect.
2e434a10	268	{
abe837ce BF	269	my $glob = \*Phòò::glòb;
	270	sub ò::DESTROY { eval '++$Phòò::bòr' }
	271	no strict 'refs';
	272	${"Phòò::thòng1"} = bless [], "ò";
	273	undef %Phòò::;
	274	is "$$glob", "*__ANON__::glòb",
	275	"setting stash name during undef has no effect";
	276	}
	277
	278	# [perl #88134] incorrect package structure
	279	{
	280	package Bèàr::;
	281	sub bàz{1}
	282	package main;
	283	ok eval { Bèàr::::bàz() },
	284	'packages ending with :: are self-consistent';
	285	}
	286
	287	# [perl #88138] ' not equivalent to :: before a null
	288	${"à'\0b"} = "c";
	289	is ${"à::\0b"}, "c", "' is equivalent to :: before a null";
	290	}