3 # Regression tests for attributes.pm and the C< : attrs> syntax.
13 $SIG{__WARN__} = sub { die @_ };
20 eval_ok 'sub t1 ($) : locked { $_[0]++ }';
21 eval_ok 'sub t2 : locked { $_[0]++ }';
22 eval_ok 'sub t3 ($) : locked ;';
23 eval_ok 'sub t4 : locked ;';
24 our $anon1; eval_ok '$anon1 = sub ($) : locked:method { $_[0]++ }';
25 our $anon2; eval_ok '$anon2 = sub : locked : method { $_[0]++ }';
26 our $anon3; eval_ok '$anon3 = sub : method { $_[0]->[1] }';
28 eval 'sub e1 ($) : plugh ;';
29 like $@, qr/^Invalid CODE attributes?: ["']?plugh["']? at/;
31 eval 'sub e2 ($) : plugh(0,0) xyzzy ;';
32 like $@, qr/^Invalid CODE attributes: ["']?plugh\(0,0\)["']? /;
34 eval 'sub e3 ($) : plugh(0,0 xyzzy ;';
35 like $@, qr/Unterminated attribute parameter in attribute list at/;
37 eval 'sub e4 ($) : plugh + xyzzy ;';
38 like $@, qr/Invalid separator character '[+]' in attribute list at/;
40 eval_ok 'my main $x : = 0;';
41 eval_ok 'my $x : = 0;';
43 eval_ok 'my ($x) : = 0;';
45 eval_ok 'my ($x) : ;';
46 eval_ok 'my ($x,$y) : = 0;';
47 eval_ok 'my ($x,$y) ;';
48 eval_ok 'my ($x,$y) : ;';
50 eval 'my ($x,$y) : plugh;';
51 like $@, qr/^Invalid SCALAR attribute: ["']?plugh["']? at/;
53 sub A::MODIFY_SCALAR_ATTRIBUTES { return }
54 eval 'my A $x : plugh;';
55 like $@, qr/^SCALAR package attribute may clash with future reserved word: ["']?plugh["']? at/;
57 eval 'my A $x : plugh plover;';
58 like $@, qr/^SCALAR package attributes may clash with future reserved words: ["']?plugh["']? /;
60 eval 'package Cat; my Cat @socks;';
61 like $@, qr/^Can't declare class for non-scalar \@socks in "my"/;
63 sub X::MODIFY_CODE_ATTRIBUTES { die "$_[0]" }
66 *Y::bar = \&X::foo; # second time for -w
67 eval 'package Z; sub Y::bar : foo';
70 eval 'package Z; sub Y::baz : locked {}';
71 my @attrs = eval 'attributes::get \&Y::baz';
72 is "@attrs", "locked";
74 @attrs = eval 'attributes::get $anon1';
75 is "@attrs", "locked method";
78 sub Z::FETCH_CODE_ATTRIBUTES { return 'Z' }
79 my $thunk = eval 'bless +sub : method locked { 1 }, "Z"';
82 @attrs = eval 'attributes::get $thunk';
83 is "@attrs", "locked method Z";
85 # Test ability to modify existing sub's (or XSUB's) attributes.
86 eval 'package A; sub X { $_[0] } sub X : lvalue';
87 @attrs = eval 'attributes::get \&A::X';
88 is "@attrs", "lvalue";
90 # Above not with just 'pure' built-in attributes.
91 sub Z::MODIFY_CODE_ATTRIBUTES { (); }
92 eval 'package Z; sub L { $_[0] } sub L : Z lvalue';
93 @attrs = eval 'attributes::get \&Z::L';
94 is "@attrs", "lvalue Z";
96 # Begin testing attributes that tie
101 sub TIESCALAR { my $x = $_[1]; bless \$x, $_[0]; }
102 sub FETCH { ${$_[0]} }
108 sub MODIFY_SCALAR_ATTRIBUTES { tie ${$_[1]}, 'Ttie', -1; (); }
114 my $x : TieLoop = $i;
115 $x != $i*2 and ::is $x, $i*2;
120 eval 'our ${""} : foo = 1';
121 like $@, qr/Can't declare scalar dereference in our/;
122 eval 'my $$foo : bar = 1';
123 like $@, qr/Can't declare scalar dereference in my/;