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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
#!./perl
print "1..40\n";
# Test glob operations.
$bar = "ok 1\n";
$foo = "ok 2\n";
{
local(*foo) = *bar;
print $foo;
}
print $foo;
$baz = "ok 3\n";
$foo = "ok 4\n";
{
local(*foo) = 'baz';
print $foo;
}
print $foo;
$foo = "ok 6\n";
{
local(*foo);
print $foo;
$foo = "ok 5\n";
print $foo;
}
print $foo;
# Test fake references.
$baz = "ok 7\n";
$bar = 'baz';
$foo = 'bar';
print $$$foo;
# Test real references.
$FOO = \$BAR;
$BAR = \$BAZ;
$BAZ = "ok 8\n";
print $$$FOO;
# Test references to real arrays.
@ary = (9,10,11,12);
$ref[0] = \@a;
$ref[1] = \@b;
$ref[2] = \@c;
$ref[3] = \@d;
for $i (3,1,2,0) {
push(@{$ref[$i]}, "ok $ary[$i]\n");
}
print @a;
print ${$ref[1]}[0];
print @{$ref[2]}[0];
print @{'d'};
# Test references to references.
$refref = \\$x;
$x = "ok 13\n";
print $$$refref;
# Test nested anonymous lists.
$ref = [[],2,[3,4,5,]];
print scalar @$ref == 3 ? "ok 14\n" : "not ok 14\n";
print $$ref[1] == 2 ? "ok 15\n" : "not ok 15\n";
print ${$$ref[2]}[2] == 5 ? "ok 16\n" : "not ok 16\n";
print scalar @{$$ref[0]} == 0 ? "ok 17\n" : "not ok 17\n";
print $ref->[1] == 2 ? "ok 18\n" : "not ok 18\n";
print $ref->[2]->[0] == 3 ? "ok 19\n" : "not ok 18\n";
# Test references to hashes of references.
$refref = \%whatever;
$refref->{"key"} = $ref;
print $refref->{"key"}->[2]->[0] == 3 ? "ok 20\n" : "not ok 20\n";
# Test to see if anonymous subarrays spring into existence.
$spring[5]->[0] = 123;
$spring[5]->[1] = 456;
push(@{$spring[5]}, 789);
print join(':',@{$spring[5]}) eq "123:456:789" ? "ok 21\n" : "not ok 21\n";
# Test to see if anonymous subhashes spring into existence.
@{$spring2{"foo"}} = (1,2,3);
$spring2{"foo"}->[3] = 4;
print join(':',@{$spring2{"foo"}}) eq "1:2:3:4" ? "ok 22\n" : "not ok 22\n";
# Test references to subroutines.
sub mysub { print "ok 23\n" }
$subref = \&mysub;
&$subref;
$subrefref = \\&mysub2;
&$$subrefref("ok 24\n");
sub mysub2 { print shift }
# Test the ref operator.
print ref $subref eq CODE ? "ok 25\n" : "not ok 25\n";
print ref $ref eq ARRAY ? "ok 26\n" : "not ok 26\n";
print ref $refref eq HASH ? "ok 27\n" : "not ok 27\n";
# Test anonymous hash syntax.
$anonhash = {};
print ref $anonhash eq HASH ? "ok 28\n" : "not ok 28\n";
$anonhash2 = {FOO => BAR, ABC => XYZ,};
print join('', sort values %$anonhash2) eq BARXYZ ? "ok 29\n" : "not ok 29\n";
# Test bless operator.
package MYHASH;
$object = bless $main'anonhash2;
print ref $object eq MYHASH ? "ok 30\n" : "not ok 30\n";
print $object->{ABC} eq XYZ ? "ok 31\n" : "not ok 31\n";
$object2 = bless {};
print ref $object2 eq MYHASH ? "ok 32\n" : "not ok 32\n";
# Test ordinary call on object method.
&mymethod($object,33);
sub mymethod {
local($THIS, @ARGS) = @_;
die 'Got a "' . ref($THIS). '" instead of a MYHASH'
unless ref $THIS eq MYHASH;
print $THIS->{FOO} eq BAR ? "ok $ARGS[0]\n" : "not ok $ARGS[0]\n";
}
# Test automatic destructor call.
$string = "not ok 34\n";
$object = "foo";
$string = "ok 34\n";
$main'anonhash2 = "foo";
$string = "";
DESTROY {
return unless $string;
print $string;
# Test that the object has already been "cursed".
print ref shift eq HASH ? "ok 35\n" : "not ok 35\n";
}
# Now test inheritance of methods.
package OBJ;
@ISA = (BASEOBJ);
$main'object = bless {FOO => foo, BAR => bar};
package main;
# Test arrow-style method invocation.
print $object->doit("BAR") eq bar ? "ok 36\n" : "not ok 36\n";
# Test indirect-object-style method invocation.
$foo = doit $object "FOO";
print $foo eq foo ? "ok 37\n" : "not ok 37\n";
sub BASEOBJ'doit {
local $ref = shift;
die "Not an OBJ" unless ref $ref eq OBJ;
$ref->{shift};
}
package FINALE;
{
$ref3 = bless ["ok 40\n"]; # package destruction
my $ref2 = bless ["ok 39\n"]; # lexical destruction
local $ref1 = bless ["ok 38\n"]; # dynamic destruction
1; # flush any temp values on stack
}
DESTROY {
print $_[0][0];
}
|