1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
#!./perl
# Regression tests for attributes.pm and the C< : attrs> syntax.
BEGIN {
if ($ENV{PERL_CORE_MINITEST}) {
print "1..0 # skip: miniperl can't load attributes\n";
exit 0;
}
chdir 't' if -d 't';
@INC = '../lib';
require './test.pl';
}
use warnings;
plan 90;
$SIG{__WARN__} = sub { die @_ };
sub eval_ok ($;$) {
eval shift;
is( $@, '', @_);
}
eval_ok 'sub t1 ($) : locked { $_[0]++ }';
eval_ok 'sub t2 : locked { $_[0]++ }';
eval_ok 'sub t3 ($) : locked ;';
eval_ok 'sub t4 : locked ;';
our $anon1; eval_ok '$anon1 = sub ($) : locked:method { $_[0]++ }';
our $anon2; eval_ok '$anon2 = sub : locked : method { $_[0]++ }';
our $anon3; eval_ok '$anon3 = sub : method { $_[0]->[1] }';
eval 'sub e1 ($) : plugh ;';
like $@, qr/^Invalid CODE attributes?: ["']?plugh["']? at/;
eval 'sub e2 ($) : plugh(0,0) xyzzy ;';
like $@, qr/^Invalid CODE attributes: ["']?plugh\(0,0\)["']? /;
eval 'sub e3 ($) : plugh(0,0 xyzzy ;';
like $@, qr/Unterminated attribute parameter in attribute list at/;
eval 'sub e4 ($) : plugh + xyzzy ;';
like $@, qr/Invalid separator character '[+]' in attribute list at/;
eval_ok 'my main $x : = 0;';
eval_ok 'my $x : = 0;';
eval_ok 'my $x ;';
eval_ok 'my ($x) : = 0;';
eval_ok 'my ($x) ;';
eval_ok 'my ($x) : ;';
eval_ok 'my ($x,$y) : = 0;';
eval_ok 'my ($x,$y) ;';
eval_ok 'my ($x,$y) : ;';
eval 'my ($x,$y) : plugh;';
like $@, qr/^Invalid SCALAR attribute: ["']?plugh["']? at/;
# bug #16080
eval '{my $x : plugh}';
like $@, qr/^Invalid SCALAR attribute: ["']?plugh["']? at/;
eval '{my ($x,$y) : plugh(})}';
like $@, qr/^Invalid SCALAR attribute: ["']?plugh\(}\)["']? at/;
# More syntax tests from the attributes manpage
eval 'my $x : switch(10,foo(7,3)) : expensive;';
like $@, qr/^Invalid SCALAR attributes: ["']?switch\(10,foo\(7,3\)\) : expensive["']? at/;
eval q/my $x : Ugly('\(") :Bad;/;
like $@, qr/^Invalid SCALAR attributes: ["']?Ugly\('\\\("\) : Bad["']? at/;
eval 'my $x : _5x5;';
like $@, qr/^Invalid SCALAR attribute: ["']?_5x5["']? at/;
eval 'my $x : locked method;';
like $@, qr/^Invalid SCALAR attributes: ["']?locked : method["']? at/;
eval 'my $x : switch(10,foo();';
like $@, qr/^Unterminated attribute parameter in attribute list at/;
eval q/my $x : Ugly('(');/;
like $@, qr/^Unterminated attribute parameter in attribute list at/;
eval 'my $x : 5x5;';
like $@, qr/error/;
eval 'my $x : Y2::north;';
like $@, qr/Invalid separator character ':' in attribute list at/;
sub A::MODIFY_SCALAR_ATTRIBUTES { return }
eval 'my A $x : plugh;';
like $@, qr/^SCALAR package attribute may clash with future reserved word: ["']?plugh["']? at/;
eval 'my A $x : plugh plover;';
like $@, qr/^SCALAR package attributes may clash with future reserved words: ["']?plugh["']? /;
no warnings 'reserved';
eval 'my A $x : plugh;';
is $@, '';
eval 'package Cat; my Cat @socks;';
like $@, qr/^Can't declare class for non-scalar \@socks in "my"/;
sub X::MODIFY_CODE_ATTRIBUTES { die "$_[0]" }
sub X::foo { 1 }
*Y::bar = \&X::foo;
*Y::bar = \&X::foo; # second time for -w
eval 'package Z; sub Y::bar : foo';
like $@, qr/^X at /;
eval 'package Z; sub Y::baz : locked {}';
my @attrs = eval 'attributes::get \&Y::baz';
is "@attrs", "locked";
@attrs = eval 'attributes::get $anon1';
is "@attrs", "locked method";
sub Z::DESTROY { }
sub Z::FETCH_CODE_ATTRIBUTES { return 'Z' }
my $thunk = eval 'bless +sub : method locked { 1 }, "Z"';
is ref($thunk), "Z";
@attrs = eval 'attributes::get $thunk';
is "@attrs", "locked method Z";
# Test attributes on predeclared subroutines:
eval 'package A; sub PS : lvalue';
@attrs = eval 'attributes::get \&A::PS';
is "@attrs", "lvalue";
# Test ability to modify existing sub's (or XSUB's) attributes.
eval 'package A; sub X { $_[0] } sub X : lvalue';
@attrs = eval 'attributes::get \&A::X';
is "@attrs", "lvalue";
# Above not with just 'pure' built-in attributes.
sub Z::MODIFY_CODE_ATTRIBUTES { (); }
eval 'package Z; sub L { $_[0] } sub L : Z lvalue';
@attrs = eval 'attributes::get \&Z::L';
is "@attrs", "lvalue Z";
# Begin testing attributes that tie
{
package Ttie;
sub DESTROY {}
sub TIESCALAR { my $x = $_[1]; bless \$x, $_[0]; }
sub FETCH { ${$_[0]} }
sub STORE {
::pass;
${$_[0]} = $_[1]*2;
}
package Tloop;
sub MODIFY_SCALAR_ATTRIBUTES { tie ${$_[1]}, 'Ttie', -1; (); }
}
eval_ok '
package Tloop;
for my $i (0..2) {
my $x : TieLoop = $i;
$x != $i*2 and ::is $x, $i*2;
}
';
# bug #15898
eval 'our ${""} : foo = 1';
like $@, qr/Can't declare scalar dereference in "our"/;
eval 'my $$foo : bar = 1';
like $@, qr/Can't declare scalar dereference in "my"/;
my @code = qw(lvalue locked method);
my @other = qw(shared unique);
my %valid;
$valid{CODE} = {map {$_ => 1} @code};
$valid{SCALAR} = {map {$_ => 1} @other};
$valid{ARRAY} = $valid{HASH} = $valid{SCALAR};
our ($scalar, @array, %hash);
foreach my $value (\&foo, \$scalar, \@array, \%hash) {
my $type = ref $value;
foreach my $negate ('', '-') {
foreach my $attr (@code, @other) {
my $attribute = $negate . $attr;
eval "use attributes __PACKAGE__, \$value, '$attribute'";
if ($valid{$type}{$attr}) {
if ($attribute eq '-shared') {
like $@, qr/^A variable may not be unshared/;
} else {
is( $@, '', "$type attribute $attribute");
}
} else {
like $@, qr/^Invalid $type attribute: $attribute/,
"Bogus $type attribute $attribute should fail";
}
}
}
}
# this will segfault if it fails
sub PVBM () { 'foo' }
{ my $dummy = index 'foo', PVBM }
ok !defined(attributes::get(\PVBM)),
'PVBMs don\'t segfault attributes::get';
|
