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
|
#!./perl
#
# test method calls and autoloading.
#
print "1..20\n";
@A::ISA = 'B';
@B::ISA = 'C';
sub C::d {"C::d"}
sub D::d {"D::d"}
my $cnt = 0;
sub test {
print "# got `$_[0]', expected `$_[1]'\nnot " unless $_[0] eq $_[1];
# print "not " unless shift eq shift;
print "ok ", ++$cnt, "\n"
}
test( A->d, "C::d"); # Update hash table;
*B::d = \&D::d; # Import now.
test (A->d, "D::d"); # Update hash table;
{
local *B::d;
eval 'sub B::d {"B::d1"}'; # Import now.
test (A->d, "B::d1"); # Update hash table;
undef &B::d;
test ((eval { A->d }, ($@ =~ /Undefined subroutine/)), 1);
}
test (A->d, "D::d"); # Back to previous state
eval 'sub B::d {"B::d2"}'; # Import now.
test (A->d, "B::d2"); # Update hash table;
# What follows is hardly guarantied to work, since the names in scripts
# are already linked to "pruned" globs. Say, `undef &B::d' if it were
# after `delete $B::{d}; sub B::d {}' would reach an old subroutine.
undef &B::d;
delete $B::{d};
test (A->d, "C::d"); # Update hash table;
eval 'sub B::d {"B::d3"}'; # Import now.
test (A->d, "B::d3"); # Update hash table;
delete $B::{d};
*dummy::dummy = sub {}; # Mark as updated
test (A->d, "C::d");
eval 'sub B::d {"B::d4"}'; # Import now.
test (A->d, "B::d4"); # Update hash table;
delete $B::{d}; # Should work without any help too
test (A->d, "C::d");
*A::x = *A::d; # See if cache incorrectly follows synonyms
A->d;
test (eval { A->x } || "nope", "nope");
eval <<'EOF';
sub C::e;
BEGIN { *B::e = \&C::e } # Shouldn't prevent AUTOLOAD in original pkg
sub Y::f;
$counter = 0;
@X::ISA = 'Y';
@Y::ISA = 'B';
sub B::AUTOLOAD {
my $c = ++$counter;
my $method = $B::AUTOLOAD;
my $msg = "B: In $method, $c";
eval "sub $method { \$msg }";
goto &$method;
}
sub C::AUTOLOAD {
my $c = ++$counter;
my $method = $C::AUTOLOAD;
my $msg = "C: In $method, $c";
eval "sub $method { \$msg }";
goto &$method;
}
EOF
test(A->e(), "C: In C::e, 1"); # We get a correct autoload
test(A->e(), "C: In C::e, 1"); # Which sticks
test(A->ee(), "B: In A::ee, 2"); # We get a generic autoload, method in top
test(A->ee(), "B: In A::ee, 2"); # Which sticks
test(Y->f(), "B: In Y::f, 3"); # We vivify a correct method
test(Y->f(), "B: In Y::f, 3"); # Which sticks
# This test is not intended to be reasonable. It is here just to let you
# know that you broke some old construction. Feel free to rewrite the test
# if your patch breaks it.
*B::AUTOLOAD = sub {
my $c = ++$counter;
my $method = $AUTOLOAD;
*$AUTOLOAD = sub { "new B: In $method, $c" };
goto &$AUTOLOAD;
};
test(A->eee(), "new B: In A::eee, 4"); # We get a correct $autoload
test(A->eee(), "new B: In A::eee, 4"); # Which sticks
|
