File: 10_alias.t

package info (click to toggle)
libobject-import-perl 1.006-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 224 kB
  • sloc: perl: 218; makefile: 2
file content (151 lines) | stat: -rw-r--r-- 3,385 bytes parent folder | download
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
use warnings; use strict;
use Test::More tests => 55;

# test that the module keeps the reference to the object correctly

BEGIN { 
$::W4 = 0;
$SIG{__WARN__} = sub { 
	my($t) = @_;
	if ($t =~ m"\Awarning: Object::Import cannot find methods of " ||
		$t =~ m"\ASubroutine .* redefined at .*\bObject/Import\.pm ") 
	{
		$::W4++;
	}
	warn $t;
};
}

use Object::Import ();

{
package X;

sub bself {
	\$_[0];
}

$::DC = 0;
DESTROY {
	$::DC++;
}

}

{
package G;

use Test::More;
use Scalar::Util "reftype";

my $o0 = bless [], X::;
import Object::Import $o0, "prefix", "o0_";
my $o0b = o0_bself();
is(reftype($o0b), "REF", "o0 ref bself");
isnt(\$o0, $o0b, "o0 id bself");
is(reftype($$o0b), "ARRAY", "o0 ref self");
is($$o0b, $o0, "o0 id self");

my $o1 = bless [], X::;
import Object::Import \$o1, "deref", 1, "prefix", "o1_";
my $o1b = o1_bself();
is(reftype($o1b), "REF", "o1 ref bself");
is(\$o1, $o1b, "o1 id bself");
is(reftype($$o1b), "ARRAY", "o1 ref self");
is($$o1b, $o1, "o1 id self");
is($::DC, 0, "dcb 0");
$o1 = bless {}, X::;
is($::DC, 1, "dc 1");
is(reftype(o1_bself()), "REF", "o1 ref new bself");
is(o1_bself(), $o1b, "o1 id new bself");
is(reftype($$o1b), "HASH", "o1 ref new self");
is($$o1b, $o1, "o1 id new self");

my $k0;
eval { 
	${o0_bself()} = bless \$k0, X::; 
};
my $err0 = $@;
is($@, "", "o0 sneaky eval");
is(reftype(o0_bself()), "REF", "o0 ref sneaky bself");
is(o0_bself(), $o0b, "o0 id sneaky bself");
is(reftype($$o0b), "SCALAR", "o0 ref sneaky self");
isnt($$o0b, $o0, "o0 id sneaky self not");
is($$o0b, \$k0, "o0 id sneaky self");
is(reftype($o0), "ARRAY", "o0 ref sneaky var");
is($::DC, 1, "dcb 1");
$o0 = ();
is($::DC, 2, "dc 2");
is(${o0_bself()}, \$k0, "o0 id still sneaky self");

is($::DC, 2, "dcb 2");
my $k1;
eval { 
	${o1_bself()} = bless \$k1, X::; 
};
my $err1 = $@;
is($::DC, 3, "dc 3");
is($@, "", "o1 sneaky eval");
is(reftype(o1_bself()), "REF", "o1 ref sneaky bself");
is(o1_bself(), $o1b, "o1 id sneaky bself");
is(reftype($$o1b), "SCALAR", "o1 ref sneaky self");
is($$o1b, $o1, "o1 id sneaky self same");
is($$o1b, \$k1, "o1 id sneaky self");
is(reftype($o1), "SCALAR", "o1 ref sneaky var");
is($o1, \$k1, "o1 id sneaky var");
}

{
package G;

no warnings qw"redefine prototype";

is($::DC, 3, "dcb 3");
*o0_bself = sub { -1 };
is($::DC, 4, "dc 4 del sub");
*o1_bself = sub { -1 };
is($::DC, 5, "dc 5 del sub");
}

{
package G1;

use Test::More;
use Scalar::Util "reftype";

my $c0 = X::;
import Object::Import $c0, "prefix", "c0_";
my $c0b = c0_bself();
is(reftype($c0b), "SCALAR", "c0 ref bself");
isnt(\$c0, $c0b, "c0 id bself");
is(reftype($$c0b), undef, "c0 ref self");
is($$c0b, $c0, "c0 val self");

my $c1 = X::;
import Object::Import \$c1, "deref", 1, "prefix", "c1_";
my $c1b = c1_bself();
is(reftype($c1b), "SCALAR", "c1 ref bself");
is(\$c1, $c1b, "c1 id bself");
is(reftype($$c1b), undef, "c1 ref self");
is($$c1b, $c1, "c1 val self");

my @k0;
eval { 
	${c0_bself()} = bless \@k0, X::; 
};
my $err0 = $@;
is($@, "", "c0 sneaky eval");
is(reftype(c0_bself()), "REF", "c0 ref sneaky bself");
is(c0_bself(), $c0b, "c0 id sneaky bself");
is(reftype($$c0b), "ARRAY", "c0 ref sneaky self");
isnt($$c0b, $c0, "c0 id sneaky self not");
is($$c0b, \@k0, "c0 id sneaky self");
is(reftype($c0), undef, "o0 ref sneaky var");
is($c0, X::, "o0 val sneaky var");
}

is($::DC, 5, "dcf very end 5");

is($::W4, 0, "no warn");

__END__