[gitmo/Package-Stash.git] / t / impl-selection / basic-pp.t

#!/usr/bin/env perl
use strict;
use warnings;
use Test::More;
use Test::Fatal;

BEGIN { $Package::Stash::IMPLEMENTATION = 'PP' }

use Package::Stash;

ok(exists $INC{'Package/Stash/PP.pm'}, "loaded PP");
ok(!exists $INC{'Package/Stash/XS.pm'}, "didn't load XS");

like(exception { Package::Stash->name }, qr/Can't call name as a class method/,
   q{... can't call name() as a class method});

{
    package Foo;

    use constant SOME_CONSTANT => 1;
}

# ----------------------------------------------------------------------
## tests adding a HASH

my $foo_stash = Package::Stash->new('Foo');
ok(!defined($Foo::{foo}), '... the %foo slot has not been created yet');
ok(!$foo_stash->has_symbol('%foo'), '... the object agrees');
ok(!defined($Foo::{foo}), '... checking doesn\' vivify');

is(exception {
    $foo_stash->add_symbol('%foo' => { one => 1 });
}, undef, '... created %Foo::foo successfully');

# ... scalar should NOT be created here

ok(!$foo_stash->has_symbol('$foo'), '... SCALAR shouldnt have been created too');
ok(!$foo_stash->has_symbol('@foo'), '... ARRAY shouldnt have been created too');
ok(!$foo_stash->has_symbol('&foo'), '... CODE shouldnt have been created too');

ok(defined($Foo::{foo}), '... the %foo slot was created successfully');
ok($foo_stash->has_symbol('%foo'), '... the meta agrees');

# check the value ...

{
    no strict 'refs';
    ok(exists ${'Foo::foo'}{one}, '... our %foo was initialized correctly');
    is(${'Foo::foo'}{one}, 1, '... our %foo was initialized correctly');
}

my $foo = $foo_stash->get_symbol('%foo');
is_deeply({ one => 1 }, $foo, '... got the right package variable back');

# ... make sure changes propogate up

$foo->{two} = 2;

{
    no strict 'refs';
    is(\%{'Foo::foo'}, $foo_stash->get_symbol('%foo'), '... our %foo is the same as the metas');

    ok(exists ${'Foo::foo'}{two}, '... our %foo was updated correctly');
    is(${'Foo::foo'}{two}, 2, '... our %foo was updated correctly');
}

# ----------------------------------------------------------------------
## test adding an ARRAY

ok(!defined($Foo::{bar}), '... the @bar slot has not been created yet');

is(exception {
    $foo_stash->add_symbol('@bar' => [ 1, 2, 3 ]);
}, undef, '... created @Foo::bar successfully');

ok(defined($Foo::{bar}), '... the @bar slot was created successfully');
ok($foo_stash->has_symbol('@bar'), '... the meta agrees');

# ... why does this not work ...

ok(!$foo_stash->has_symbol('$bar'), '... SCALAR shouldnt have been created too');
ok(!$foo_stash->has_symbol('%bar'), '... HASH shouldnt have been created too');
ok(!$foo_stash->has_symbol('&bar'), '... CODE shouldnt have been created too');

# check the value itself

{
    no strict 'refs';
    is(scalar @{'Foo::bar'}, 3, '... our @bar was initialized correctly');
    is(${'Foo::bar'}[1], 2, '... our @bar was initialized correctly');
}

# ----------------------------------------------------------------------
## test adding a SCALAR

ok(!defined($Foo::{baz}), '... the $baz slot has not been created yet');

is(exception {
    $foo_stash->add_symbol('$baz' => 10);
}, undef, '... created $Foo::baz successfully');

ok(defined($Foo::{baz}), '... the $baz slot was created successfully');
ok($foo_stash->has_symbol('$baz'), '... the meta agrees');

ok(!$foo_stash->has_symbol('@baz'), '... ARRAY shouldnt have been created too');
ok(!$foo_stash->has_symbol('%baz'), '... HASH shouldnt have been created too');
ok(!$foo_stash->has_symbol('&baz'), '... CODE shouldnt have been created too');

is(${$foo_stash->get_symbol('$baz')}, 10, '... got the right value back');

{
    no strict 'refs';
    ${'Foo::baz'} = 1;

    is(${'Foo::baz'}, 1, '... our $baz was assigned to correctly');
    is(${$foo_stash->get_symbol('$baz')}, 1, '... the meta agrees');
}

# ----------------------------------------------------------------------
## test adding a CODE

ok(!defined($Foo::{funk}), '... the &funk slot has not been created yet');

is(exception {
    $foo_stash->add_symbol('&funk' => sub { "Foo::funk" });
}, undef, '... created &Foo::funk successfully');

ok(defined($Foo::{funk}), '... the &funk slot was created successfully');
ok($foo_stash->has_symbol('&funk'), '... the meta agrees');

ok(!$foo_stash->has_symbol('$funk'), '... SCALAR shouldnt have been created too');
ok(!$foo_stash->has_symbol('@funk'), '... ARRAY shouldnt have been created too');
ok(!$foo_stash->has_symbol('%funk'), '... HASH shouldnt have been created too');

{
    no strict 'refs';
    ok(defined &{'Foo::funk'}, '... our &funk exists');
}

is(Foo->funk(), 'Foo::funk', '... got the right value from the function');

# ----------------------------------------------------------------------
## test multiple slots in the glob

my $ARRAY = [ 1, 2, 3 ];
my $CODE = sub { "Foo::foo" };

is(exception {
    $foo_stash->add_symbol('@foo' => $ARRAY);
}, undef, '... created @Foo::foo successfully');

ok($foo_stash->has_symbol('@foo'), '... the @foo slot was added successfully');
is($foo_stash->get_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');

is(exception {
    $foo_stash->add_symbol('&foo' => $CODE);
}, undef, '... created &Foo::foo successfully');

ok($foo_stash->has_symbol('&foo'), '... the meta agrees');
is($foo_stash->get_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');

is(exception {
    $foo_stash->add_symbol('$foo' => 'Foo::foo');
}, undef, '... created $Foo::foo successfully');

ok($foo_stash->has_symbol('$foo'), '... the meta agrees');
my $SCALAR = $foo_stash->get_symbol('$foo');
is($$SCALAR, 'Foo::foo', '... got the right scalar value back');

{
    no strict 'refs';
    is(${'Foo::foo'}, 'Foo::foo', '... got the right value from the scalar');
}

is(exception {
    $foo_stash->remove_symbol('%foo');
}, undef, '... removed %Foo::foo successfully');

ok(!$foo_stash->has_symbol('%foo'), '... the %foo slot was removed successfully');
ok($foo_stash->has_symbol('@foo'), '... the @foo slot still exists');
ok($foo_stash->has_symbol('&foo'), '... the &foo slot still exists');
ok($foo_stash->has_symbol('$foo'), '... the $foo slot still exists');

is($foo_stash->get_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
is($foo_stash->get_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
is($foo_stash->get_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');

{
    no strict 'refs';
    ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
    ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
    ok(defined(*{"Foo::foo"}{CODE}), '... the &foo slot has NOT been removed');
    ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
}

is(exception {
    $foo_stash->remove_symbol('&foo');
}, undef, '... removed &Foo::foo successfully');

ok(!$foo_stash->has_symbol('&foo'), '... the &foo slot no longer exists');

ok($foo_stash->has_symbol('@foo'), '... the @foo slot still exists');
ok($foo_stash->has_symbol('$foo'), '... the $foo slot still exists');

is($foo_stash->get_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
is($foo_stash->get_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');

{
    no strict 'refs';
    ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
    ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
    ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
    ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
}

is(exception {
    $foo_stash->remove_symbol('$foo');
}, undef, '... removed $Foo::foo successfully');

ok(!$foo_stash->has_symbol('$foo'), '... the $foo slot no longer exists');

ok($foo_stash->has_symbol('@foo'), '... the @foo slot still exists');

is($foo_stash->get_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');

{
    no strict 'refs';
    ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
    ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
    ok(!defined(${"Foo::foo"}), '... the $foo slot has now been removed');
    ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
}

{
    my $syms = $foo_stash->get_all_symbols;
    is_deeply(
        [ sort keys %{ $syms } ],
        [ sort $foo_stash->list_all_symbols ],
        '... the fetched symbols are the same as the listed ones'
    );
}

{
    my $syms = $foo_stash->get_all_symbols('CODE');

    is_deeply(
        [ sort keys %{ $syms } ],
        [ sort $foo_stash->list_all_symbols('CODE') ],
        '... the fetched symbols are the same as the listed ones'
    );

    foreach my $symbol (keys %{ $syms }) {
        is($syms->{$symbol}, $foo_stash->get_symbol('&' . $symbol), '... got the right symbol');
    }
}

{
    $foo_stash->add_symbol('%zork');
    ok(!$foo_stash->has_symbol('$zork'),
       "add_symbol with single argument doesn't vivify scalar slot");

    my $syms = $foo_stash->get_all_symbols('HASH');

    is_deeply(
        [ sort keys %{ $syms } ],
        [ sort $foo_stash->list_all_symbols('HASH') ],
        '... the fetched symbols are the same as the listed ones'
    );

    foreach my $symbol (keys %{ $syms }) {
        is($syms->{$symbol}, $foo_stash->get_symbol('%' . $symbol), '... got the right symbol');
    }

    no warnings 'once';
    is_deeply(
        $syms,
        { zork => \%Foo::zork },
        "got the right ones",
    );
}

# check some errors

like(exception {
    $foo_stash->add_symbol('@bar', {})
}, qr/HASH.*is not of type ARRAY/, "can't initialize a slot with the wrong type of value");

like(exception {
    $foo_stash->add_symbol('bar', [])
}, qr/ARRAY.*is not of type IO/, "can't initialize a slot with the wrong type of value");

like(exception {
    $foo_stash->add_symbol('$bar', sub { })
}, qr/CODE.*is not of type SCALAR/, "can't initialize a slot with the wrong type of value");

{
    package Bar;
    open *foo, '<', $0;
}

like(exception {
    $foo_stash->add_symbol('$bar', *Bar::foo{IO})
}, qr/IO.*is not of type SCALAR/, "can't initialize a slot with the wrong type of value");

# check compile time manipulation

{
    package Baz;

    our $foo = 23;
    our @foo = "bar";
    our %foo = (baz => 1);
    sub foo { }
    open *foo, '<', $0;
    BEGIN { Package::Stash->new(__PACKAGE__)->remove_symbol('&foo') }
}

{
    my $stash = Package::Stash->new('Baz');
    is(${ $stash->get_symbol('$foo') }, 23, "got \$foo");
    is_deeply($stash->get_symbol('@foo'), ['bar'], "got \@foo");
    is_deeply($stash->get_symbol('%foo'), {baz => 1}, "got \%foo");
    ok(!$stash->has_symbol('&foo'), "got \&foo");
    is($stash->get_symbol('foo'), *Baz::foo{IO}, "got foo");
}

{
    package Quux;

    our $foo = 23;
    our @foo = "bar";
    our %foo = (baz => 1);
    sub foo { }
    open *foo, '<', $0;
}

{
    my $stash = Package::Stash->new('Quux');

    my %expect = (
        '$foo' => \23,
        '@foo' => ["bar"],
        '%foo' => { baz => 1 },
        '&foo' => \&Quux::foo,
        'foo'  => *Quux::foo{IO},
    );

    for my $sym ( sort keys %expect ) {
        is_deeply(
            $stash->get_symbol($sym),
            $expect{$sym},
            "got expected value for $sym"
        );
    }

    $stash->add_symbol('%bar' => {x => 42});

    $expect{'%bar'} = {x => 42};

    for my $sym ( sort keys %expect ) {
        is_deeply(
            $stash->get_symbol($sym),
            $expect{$sym},
            "got expected value for $sym"
        );
    }

    $stash->add_symbol('%bar' => {x => 43});

    $expect{'%bar'} = {x => 43};

    for my $sym ( sort keys %expect ) {
        is_deeply(
            $stash->get_symbol($sym),
            $expect{$sym},
            "got expected value for $sym"
        );
    }
}

{
    package Quuux;
    our $foo;
    our @foo;
    our @bar;
    our %baz;
    sub baz { }
    use constant quux => 1;
    use constant quuux => [];
    sub quuuux;
}

{
    my $quuux = Package::Stash->new('Quuux');
    is_deeply(
        [sort $quuux->list_all_symbols],
        [qw(BEGIN bar baz foo quuuux quuux quux)],
        "list_all_symbols",
    );
    { local $TODO = $] < 5.010
          ? "undef scalars aren't visible on 5.8"
          : undef;
    is_deeply(
        [sort $quuux->list_all_symbols('SCALAR')],
        [qw(foo)],
        "list_all_symbols SCALAR",
    );
    }
    is_deeply(
        [sort $quuux->list_all_symbols('ARRAY')],
        [qw(bar foo)],
        "list_all_symbols ARRAY",
    );
    is_deeply(
        [sort $quuux->list_all_symbols('HASH')],
        [qw(baz)],
        "list_all_symbols HASH",
    );
    is_deeply(
        [sort $quuux->list_all_symbols('CODE')],
        [qw(baz quuuux quuux quux)],
        "list_all_symbols CODE",
    );
}

for my $package ('Foo:Bar', 'Foo/Bar', 'Foo Bar', 'Foo:::Bar', '') {
    like(
        exception { Package::Stash->new($package) },
        qr/^$package is not a module name/,
        "$package is not a module name"
    );
}

like(
    exception { Package::Stash->new([]) },
    qr/^Package::Stash->new must be passed the name of the package to access/,
    "module name must be a string"
);

like(
    exception { Package::Stash->new(undef) },
    qr/^Package::Stash->new must be passed the name of the package to access/,
    "module name must be a string"
);

done_testing;
Commit	Line	Data
a5129e53	1	#!/usr/bin/env perl
	2	use strict;
	3	use warnings;
	4	use Test::More;
	5	use Test::Fatal;
	6
	7	BEGIN { $Package::Stash::IMPLEMENTATION = 'PP' }
	8
	9	use Package::Stash;
	10
	11	ok(exists $INC{'Package/Stash/PP.pm'}, "loaded PP");
	12	ok(!exists $INC{'Package/Stash/XS.pm'}, "didn't load XS");
	13
	14	like(exception { Package::Stash->name }, qr/Can't call name as a class method/,
	15	q{... can't call name() as a class method});
	16
	17	{
	18	package Foo;
	19
	20	use constant SOME_CONSTANT => 1;
	21	}
	22
	23	# ----------------------------------------------------------------------
	24	## tests adding a HASH
	25
	26	my $foo_stash = Package::Stash->new('Foo');
	27	ok(!defined($Foo::{foo}), '... the %foo slot has not been created yet');
	28	ok(!$foo_stash->has_symbol('%foo'), '... the object agrees');
	29	ok(!defined($Foo::{foo}), '... checking doesn\' vivify');
	30
	31	is(exception {
	32	$foo_stash->add_symbol('%foo' => { one => 1 });
	33	}, undef, '... created %Foo::foo successfully');
	34
	35	# ... scalar should NOT be created here
	36
	37	ok(!$foo_stash->has_symbol('$foo'), '... SCALAR shouldnt have been created too');
	38	ok(!$foo_stash->has_symbol('@foo'), '... ARRAY shouldnt have been created too');
	39	ok(!$foo_stash->has_symbol('&foo'), '... CODE shouldnt have been created too');
	40
	41	ok(defined($Foo::{foo}), '... the %foo slot was created successfully');
	42	ok($foo_stash->has_symbol('%foo'), '... the meta agrees');
	43
	44	# check the value ...
	45
	46	{
	47	no strict 'refs';
	48	ok(exists ${'Foo::foo'}{one}, '... our %foo was initialized correctly');
	49	is(${'Foo::foo'}{one}, 1, '... our %foo was initialized correctly');
	50	}
	51
	52	my $foo = $foo_stash->get_symbol('%foo');
	53	is_deeply({ one => 1 }, $foo, '... got the right package variable back');
	54
	55	# ... make sure changes propogate up
	56
	57	$foo->{two} = 2;
	58
	59	{
	60	no strict 'refs';
	61	is(\%{'Foo::foo'}, $foo_stash->get_symbol('%foo'), '... our %foo is the same as the metas');
	62
	63	ok(exists ${'Foo::foo'}{two}, '... our %foo was updated correctly');
	64	is(${'Foo::foo'}{two}, 2, '... our %foo was updated correctly');
65	}
66
67	# ----------------------------------------------------------------------
68	## test adding an ARRAY
69
70	ok(!defined($Foo::{bar}), '... the @bar slot has not been created yet');
71
72	is(exception {
73	$foo_stash->add_symbol('@bar' => [ 1, 2, 3 ]);
74	}, undef, '... created @Foo::bar successfully');
75
76	ok(defined($Foo::{bar}), '... the @bar slot was created successfully');
77	ok($foo_stash->has_symbol('@bar'), '... the meta agrees');
78
79	# ... why does this not work ...
80
81	ok(!$foo_stash->has_symbol('$bar'), '... SCALAR shouldnt have been created too');
82	ok(!$foo_stash->has_symbol('%bar'), '... HASH shouldnt have been created too');
83	ok(!$foo_stash->has_symbol('&bar'), '... CODE shouldnt have been created too');
84
85	# check the value itself
86
87	{
88	no strict 'refs';
89	is(scalar @{'Foo::bar'}, 3, '... our @bar was initialized correctly');
90	is(${'Foo::bar'}[1], 2, '... our @bar was initialized correctly');
91	}
92
93	# ----------------------------------------------------------------------
94	## test adding a SCALAR
95
96	ok(!defined($Foo::{baz}), '... the $baz slot has not been created yet');
97
98	is(exception {
99	$foo_stash->add_symbol('$baz' => 10);
100	}, undef, '... created $Foo::baz successfully');
101
102	ok(defined($Foo::{baz}), '... the $baz slot was created successfully');
103	ok($foo_stash->has_symbol('$baz'), '... the meta agrees');
104
105	ok(!$foo_stash->has_symbol('@baz'), '... ARRAY shouldnt have been created too');
106	ok(!$foo_stash->has_symbol('%baz'), '... HASH shouldnt have been created too');
107	ok(!$foo_stash->has_symbol('&baz'), '... CODE shouldnt have been created too');
108
109	is(${$foo_stash->get_symbol('$baz')}, 10, '... got the right value back');
110
111	{
112	no strict 'refs';
113	${'Foo::baz'} = 1;
114
115	is(${'Foo::baz'}, 1, '... our $baz was assigned to correctly');
116	is(${$foo_stash->get_symbol('$baz')}, 1, '... the meta agrees');
117	}
118
119	# ----------------------------------------------------------------------
120	## test adding a CODE
121
122	ok(!defined($Foo::{funk}), '... the &funk slot has not been created yet');
123
124	is(exception {
125	$foo_stash->add_symbol('&funk' => sub { "Foo::funk" });
126	}, undef, '... created &Foo::funk successfully');
127
128	ok(defined($Foo::{funk}), '... the &funk slot was created successfully');
129	ok($foo_stash->has_symbol('&funk'), '... the meta agrees');
130
131	ok(!$foo_stash->has_symbol('$funk'), '... SCALAR shouldnt have been created too');
132	ok(!$foo_stash->has_symbol('@funk'), '... ARRAY shouldnt have been created too');
133	ok(!$foo_stash->has_symbol('%funk'), '... HASH shouldnt have been created too');
134
135	{
136	no strict 'refs';
137	ok(defined &{'Foo::funk'}, '... our &funk exists');
138	}
139
140	is(Foo->funk(), 'Foo::funk', '... got the right value from the function');
141
142	# ----------------------------------------------------------------------
143	## test multiple slots in the glob
144
145	my $ARRAY = [ 1, 2, 3 ];
146	my $CODE = sub { "Foo::foo" };
147
148	is(exception {
149	$foo_stash->add_symbol('@foo' => $ARRAY);
150	}, undef, '... created @Foo::foo successfully');
151
152	ok($foo_stash->has_symbol('@foo'), '... the @foo slot was added successfully');
153	is($foo_stash->get_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
154
155	is(exception {
156	$foo_stash->add_symbol('&foo' => $CODE);
157	}, undef, '... created &Foo::foo successfully');
158
159	ok($foo_stash->has_symbol('&foo'), '... the meta agrees');
160	is($foo_stash->get_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
161
162	is(exception {
163	$foo_stash->add_symbol('$foo' => 'Foo::foo');
164	}, undef, '... created $Foo::foo successfully');
165
166	ok($foo_stash->has_symbol('$foo'), '... the meta agrees');
167	my $SCALAR = $foo_stash->get_symbol('$foo');
168	is($$SCALAR, 'Foo::foo', '... got the right scalar value back');
169
170	{
171	no strict 'refs';
172	is(${'Foo::foo'}, 'Foo::foo', '... got the right value from the scalar');
173	}
174
175	is(exception {
176	$foo_stash->remove_symbol('%foo');
177	}, undef, '... removed %Foo::foo successfully');
178
179	ok(!$foo_stash->has_symbol('%foo'), '... the %foo slot was removed successfully');
180	ok($foo_stash->has_symbol('@foo'), '... the @foo slot still exists');
181	ok($foo_stash->has_symbol('&foo'), '... the &foo slot still exists');
182	ok($foo_stash->has_symbol('$foo'), '... the $foo slot still exists');
183
184	is($foo_stash->get_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
185	is($foo_stash->get_symbol('&foo'), $CODE, '... got the right value for &Foo::foo');
186	is($foo_stash->get_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');
187
188	{
189	no strict 'refs';
190	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
191	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
192	ok(defined(*{"Foo::foo"}{CODE}), '... the &foo slot has NOT been removed');
193	ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
194	}
195
196	is(exception {
197	$foo_stash->remove_symbol('&foo');
198	}, undef, '... removed &Foo::foo successfully');
199
200	ok(!$foo_stash->has_symbol('&foo'), '... the &foo slot no longer exists');
201
202	ok($foo_stash->has_symbol('@foo'), '... the @foo slot still exists');
203	ok($foo_stash->has_symbol('$foo'), '... the $foo slot still exists');
204
205	is($foo_stash->get_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
206	is($foo_stash->get_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo');
207
208	{
209	no strict 'refs';
210	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
211	ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
212	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
213	ok(defined(${"Foo::foo"}), '... the $foo slot has NOT been removed');
214	}
215
216	is(exception {
217	$foo_stash->remove_symbol('$foo');
218	}, undef, '... removed $Foo::foo successfully');
219
220	ok(!$foo_stash->has_symbol('$foo'), '... the $foo slot no longer exists');
221
222	ok($foo_stash->has_symbol('@foo'), '... the @foo slot still exists');
223
224	is($foo_stash->get_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo');
225
226	{
227	no strict 'refs';
228	ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully');
229	ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed');
230	ok(!defined(${"Foo::foo"}), '... the $foo slot has now been removed');
231	ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed');
232	}
233
234	{
235	my $syms = $foo_stash->get_all_symbols;
236	is_deeply(
237	[ sort keys %{ $syms } ],
238	[ sort $foo_stash->list_all_symbols ],
239	'... the fetched symbols are the same as the listed ones'
240	);
241	}
242
243	{
244	my $syms = $foo_stash->get_all_symbols('CODE');
245
246	is_deeply(
247	[ sort keys %{ $syms } ],
248	[ sort $foo_stash->list_all_symbols('CODE') ],
249	'... the fetched symbols are the same as the listed ones'
250	);
251
252	foreach my $symbol (keys %{ $syms }) {
253	is($syms->{$symbol}, $foo_stash->get_symbol('&' . $symbol), '... got the right symbol');
254	}
255	}
256
257	{
258	$foo_stash->add_symbol('%zork');
abe3605b	259	ok(!$foo_stash->has_symbol('$zork'),
abe3605b	260	"add_symbol with single argument doesn't vivify scalar slot");
a5129e53	261
	262	my $syms = $foo_stash->get_all_symbols('HASH');
	263
	264	is_deeply(
	265	[ sort keys %{ $syms } ],
	266	[ sort $foo_stash->list_all_symbols('HASH') ],
	267	'... the fetched symbols are the same as the listed ones'
	268	);
	269
	270	foreach my $symbol (keys %{ $syms }) {
	271	is($syms->{$symbol}, $foo_stash->get_symbol('%' . $symbol), '... got the right symbol');
	272	}
	273
	274	no warnings 'once';
	275	is_deeply(
	276	$syms,
	277	{ zork => \%Foo::zork },
	278	"got the right ones",
	279	);
	280	}
	281
	282	# check some errors
	283
	284	like(exception {
	285	$foo_stash->add_symbol('@bar', {})
	286	}, qr/HASH.*is not of type ARRAY/, "can't initialize a slot with the wrong type of value");
	287
	288	like(exception {
	289	$foo_stash->add_symbol('bar', [])
	290	}, qr/ARRAY.*is not of type IO/, "can't initialize a slot with the wrong type of value");
	291
	292	like(exception {
	293	$foo_stash->add_symbol('$bar', sub { })
	294	}, qr/CODE.*is not of type SCALAR/, "can't initialize a slot with the wrong type of value");
	295
	296	{
	297	package Bar;
	298	open *foo, '<', $0;
	299	}
	300
	301	like(exception {
	302	$foo_stash->add_symbol('$bar', *Bar::foo{IO})
	303	}, qr/IO.*is not of type SCALAR/, "can't initialize a slot with the wrong type of value");
	304
	305	# check compile time manipulation
	306
	307	{
	308	package Baz;
	309
	310	our $foo = 23;
	311	our @foo = "bar";
	312	our %foo = (baz => 1);
	313	sub foo { }
	314	open *foo, '<', $0;
	315	BEGIN { Package::Stash->new(__PACKAGE__)->remove_symbol('&foo') }
	316	}
	317
	318	{
	319	my $stash = Package::Stash->new('Baz');
	320	is(${ $stash->get_symbol('$foo') }, 23, "got \$foo");
	321	is_deeply($stash->get_symbol('@foo'), ['bar'], "got \@foo");
	322	is_deeply($stash->get_symbol('%foo'), {baz => 1}, "got \%foo");
	323	ok(!$stash->has_symbol('&foo'), "got \&foo");
	324	is($stash->get_symbol('foo'), *Baz::foo{IO}, "got foo");
325	}
326
327	{
328	package Quux;
329
330	our $foo = 23;
331	our @foo = "bar";
332	our %foo = (baz => 1);
333	sub foo { }
334	open *foo, '<', $0;
335	}
336
337	{
338	my $stash = Package::Stash->new('Quux');
339
340	my %expect = (
341	'$foo' => \23,
342	'@foo' => ["bar"],
343	'%foo' => { baz => 1 },
344	'&foo' => \&Quux::foo,
345	'foo' => *Quux::foo{IO},
346	);
347
348	for my $sym ( sort keys %expect ) {
349	is_deeply(
350	$stash->get_symbol($sym),
351	$expect{$sym},
352	"got expected value for $sym"
353	);
354	}
355
356	$stash->add_symbol('%bar' => {x => 42});
357
358	$expect{'%bar'} = {x => 42};
359
360	for my $sym ( sort keys %expect ) {
361	is_deeply(
362	$stash->get_symbol($sym),
363	$expect{$sym},
364	"got expected value for $sym"
365	);
366	}
367
368	$stash->add_symbol('%bar' => {x => 43});
369
370	$expect{'%bar'} = {x => 43};
371
372	for my $sym ( sort keys %expect ) {
373	is_deeply(
374	$stash->get_symbol($sym),
375	$expect{$sym},
376	"got expected value for $sym"
377	);
378	}
379	}
380
381	{
382	package Quuux;
383	our $foo;
384	our @foo;
385	our @bar;
386	our %baz;
387	sub baz { }
388	use constant quux => 1;
389	use constant quuux => [];
390	sub quuuux;
391	}
392
393	{
394	my $quuux = Package::Stash->new('Quuux');
395	is_deeply(
396	[sort $quuux->list_all_symbols],
397	[qw(BEGIN bar baz foo quuuux quuux quux)],
398	"list_all_symbols",
399	);
7ef54f40	400	{ local $TODO = $] < 5.010
7ef54f40	401	? "undef scalars aren't visible on 5.8"
a5129e53	402	: undef;
	403	is_deeply(
	404	[sort $quuux->list_all_symbols('SCALAR')],
	405	[qw(foo)],
	406	"list_all_symbols SCALAR",
	407	);
	408	}
	409	is_deeply(
	410	[sort $quuux->list_all_symbols('ARRAY')],
	411	[qw(bar foo)],
	412	"list_all_symbols ARRAY",
	413	);
	414	is_deeply(
	415	[sort $quuux->list_all_symbols('HASH')],
	416	[qw(baz)],
	417	"list_all_symbols HASH",
	418	);
	419	is_deeply(
	420	[sort $quuux->list_all_symbols('CODE')],
	421	[qw(baz quuuux quuux quux)],
	422	"list_all_symbols CODE",
	423	);
	424	}
	425
abe3605b	426	for my $package ('Foo:Bar', 'Foo/Bar', 'Foo Bar', 'Foo:::Bar', '') {
	427	like(
	428	exception { Package::Stash->new($package) },
	429	qr/^$package is not a module name/,
	430	"$package is not a module name"
	431	);
	432	}
	433
	434	like(
	435	exception { Package::Stash->new([]) },
	436	qr/^Package::Stash->new must be passed the name of the package to access/,
	437	"module name must be a string"
	438	);
	439
	440	like(
	441	exception { Package::Stash->new(undef) },
	442	qr/^Package::Stash->new must be passed the name of the package to access/,
	443	"module name must be a string"
	444	);
	445
a5129e53	446	done_testing;