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
|
#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
BEGIN {
$] >= 5.026000 or plan skip_all => "No parse_subsignature()";
}
use feature 'signatures';
no warnings 'experimental';
use lib "t";
use testcase "t::func";
BEGIN { $^H{"t::func/func"}++ }
# basic sig
{
func withparam($x) { return $x + 1 }
is( withparam( 4 ), 5, 'func with param' );
}
# The following are additional tests that our pre-5.31.3 backported
# parse_subsignature() works correctly
{
func sum(@x) {
my $ret = 0;
$ret += $_ for @x;
return $ret;
}
is( sum( 10, 20, 30 ), 60, 'func with slurpy parameter' );
func firstandthird($x, $, $z) {
return $x . $z;
}
is( firstandthird(qw( a b c )), "ac", 'func with unnamed parameter' );
func withoptparam($one = 1) { return $one + 2 }
is( withoptparam, 3, 'func with optional param missing' );
is( withoptparam( 2 ), 4, 'func with optional param present' );
func has_whitespace (
$x
) {
return $x;
}
is( has_whitespace( "value" ), "value", 'func with whitespace in signature' );
# RT132284
func noparams() { return "constant" }
is( noparams, "constant", 'func with no params' );
like( dies { noparams( 1, 2, 3 ) },
# message was extended somewhere in perl 5.33
qr/^Too many arguments for subroutine 'main::noparams' (\(.*\) )?at /,
'Exception thrown from empty signature validation failure' );
}
# RT131571
{
func withattr :method ($self, @args) { }
ok( scalar( grep { m/^method$/ } attributes::get( \&withattr ) ),
'func with attr and signture does not collide' );
}
# RT155630
{
my $var = "outside";
func defaultfromoutside($var = $var) { return $var; }
is( defaultfromoutside(), "outside",
'variable in defaulting expression is not shadowed by its own parameter' );
# Not directly related to this bug but we might as well test this too
func defaultfromfirst($x, $y = $x) { return $y; }
is( defaultfromfirst( "first" ), "first",
'variable in later defaulting expression can see earlier params' );
}
done_testing;
|
