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
|
=pod
=encoding utf-8
=head1 PURPOSE
Create anonymous methods with C<method>.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2013-2014, 2017 by Toby Inkster.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
use strict;
use warnings;
use Test::More;
use Test::Fatal;
use Kavorka;
my $foo = method {
return { '$self' => $self, '@_' => \@_ };
};
my ($bar, $baz) = (
method () {
return { '$self' => $self, '@_' => \@_ };
},
method ($x, $y) {
return { '$self' => $self, '@_' => \@_, '$x' => \$x, '$y' => \$y };
},
);
my $quux = method ($x, $y, ...)
{
return { '$self' => $self, '@_' => \@_, '$x' => \$x, '$y' => \$y };
}
;
is_deeply(
__PACKAGE__->$foo(),
{ '$self' => 'main', '@_' => [] },
'anon method with no signature; called with empty list',
);
is_deeply(
__PACKAGE__->$foo(1..4),
{ '$self' => 'main', '@_' => [1..4] },
'anon method with no signature; called with arguments',
);
is_deeply(
__PACKAGE__->$bar,
{ '$self' => 'main', '@_' => [] },
'anon method with empty signature',
);
#line 68
like(
exception { __PACKAGE__->$bar(1..4) },
qr{\AExpected 0 parameters},
'anon method with empty signature throws exception if passed arguments',
);
is_deeply(
__PACKAGE__->$baz(1..2),
{ '$self' => 'main', '@_' => [1..2], '$x' => \1, '$y' => \2 },
'anon method with positional parameters',
);
#line 81
like(
exception { __PACKAGE__->$baz(1..4) },
qr{\AExpected 2 parameters},
'anon method with positional parameters throws exception if passed too many arguments',
);
#line 88
like(
exception { __PACKAGE__->$baz(1) },
qr{\AExpected 2 parameters},
'anon method with positional parameters throws exception if passed too few arguments',
);
#line 95
is(
exception { __PACKAGE__->$baz(undef, undef) },
undef,
'an explicit undef satisfies positional parameters',
);
is_deeply(
__PACKAGE__->$quux(1..2),
{ '$self' => 'main', '@_' => [1..2], '$x' => \1, '$y' => \2 },
'anon method with positional parameters and yadayada',
);
#line 108
is(
exception { __PACKAGE__->$quux(1..4) },
undef,
'anon method with positional parameters and yadayada throws no exception if passed too many arguments',
);
#line 115
like(
exception { __PACKAGE__->$quux(1) },
qr{\AExpected at least 2 parameters},
'anon method with positional parameters and yadayada throws exception if passed too few arguments',
);
#line 121
is(
exception { __PACKAGE__->$quux(undef, undef) },
undef,
'an explicit undef satisfies positional parameters with yadayada',
);
is_deeply(
[ __PACKAGE__->${ \ method{} }(1..3) ],
[],
'an empty method body returns nothing',
);
done_testing;
|
