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
|
#!./perl -w
my $w;
BEGIN {
chdir 't' if -d 't';
unshift @INC, '../lib' if -d '../lib';
$SIG{__WARN__} = sub {
if ($_[0] =~ /^Hides field 'b1' in base class/) {
$w++;
return;
}
print $_[0];
};
}
use strict;
use vars qw($DEBUG);
package B1;
use fields qw(b1 b2 b3);
package B2;
use fields '_b1';
use fields qw(b1 _b2 b2);
sub new { bless [], shift }
package D1;
use base 'B1';
use fields qw(d1 d2 d3);
package D2;
use base 'B1';
use fields qw(_d1 _d2);
use fields qw(d1 d2);
package D3;
use base 'B2';
use fields qw(b1 d1 _b1 _d1); # hide b1
package D4;
use base 'D3';
use fields qw(_d3 d3);
package M;
sub m {}
package D5;
use base qw(M B2);
package Foo::Bar;
use base 'B1';
package Foo::Bar::Baz;
use base 'Foo::Bar';
use fields qw(foo bar baz);
# Test repeatability for when modules get reloaded.
package B1;
use fields qw(b1 b2 b3);
package D3;
use base 'B2';
use fields qw(b1 d1 _b1 _d1); # hide b1
package main;
sub fstr
{
my $h = shift;
my @tmp;
for my $k (sort {$h->{$a} <=> $h->{$b}} keys %$h) {
my $v = $h->{$k};
push(@tmp, "$k:$v");
}
my $str = join(",", @tmp);
print "$h => $str\n" if $DEBUG;
$str;
}
my %expect = (
B1 => "b1:1,b2:2,b3:3",
B2 => "_b1:1,b1:2,_b2:3,b2:4",
D1 => "b1:1,b2:2,b3:3,d1:4,d2:5,d3:6",
D2 => "b1:1,b2:2,b3:3,_d1:4,_d2:5,d1:6,d2:7",
D3 => "b2:4,b1:5,d1:6,_b1:7,_d1:8",
D4 => "b2:4,b1:5,d1:6,_d3:9,d3:10",
D5 => "b1:2,b2:4",
'Foo::Bar::Baz' => 'b1:1,b2:2,b3:3,foo:4,bar:5,baz:6',
);
print "1..", int(keys %expect)+5, "\n";
my $testno = 0;
while (my($class, $exp) = each %expect) {
no strict 'refs';
my $fstr = fstr(\%{$class."::FIELDS"});
print "EXP: $exp\nGOT: $fstr\nnot " unless $fstr eq $exp;
print "ok ", ++$testno, "\n";
}
# Did we get the appropriate amount of warnings?
print "not " unless $w == 1;
print "ok ", ++$testno, "\n";
# A simple object creation and AVHV attribute access test
my B2 $obj1 = D3->new;
$obj1->{b1} = "B2";
my D3 $obj2 = $obj1;
$obj2->{b1} = "D3";
print "not " unless $obj1->[2] eq "B2" && $obj1->[5] eq "D3";
print "ok ", ++$testno, "\n";
# We should get compile time failures field name typos
eval q(my D3 $obj3 = $obj2; $obj3->{notthere} = "");
print "not " unless $@ && $@ =~ /^No such pseudo-hash field "notthere"/;
print "ok ", ++$testno, "\n";
#fields::_dump();
# check if
{
package Foo;
use fields qw(foo bar);
sub new { bless [], $_[0]; }
package main;
my Foo $a = Foo->new();
$a->{foo} = ['a', 'ok ' . ++$testno, 'c'];
$a->{bar} = { A => 'ok ' . ++$testno };
print $a->{foo}[1], "\n";
print $a->{bar}->{A}, "\n";
}
|
