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make gv_fullname() etc include a literal '^' for *^FOO style names
[perl5.git] / t / op / gv.t
CommitLineData
b9894134
PP
1#!./perl
2
3#
4# various typeglob tests
5#
6
9f1b1f2d
GS
7BEGIN {
8 chdir 't' if -d 't';
20822f61 9 @INC = '../lib';
9f1b1f2d
GS
10}
11
12use warnings;
13
4ad16c23 14print "1..53\n";
b9894134
PP
15
16# type coersion on assignment
17$foo = 'foo';
18$bar = *main::foo;
19$bar = $foo;
20print ref(\$bar) eq 'SCALAR' ? "ok 1\n" : "not ok 1\n";
21$foo = *main::bar;
22
23# type coersion (not) on misc ops
24
25if ($foo) {
26 print ref(\$foo) eq 'GLOB' ? "ok 2\n" : "not ok 2\n";
27}
28
29unless ($foo =~ /abcd/) {
30 print ref(\$foo) eq 'GLOB' ? "ok 3\n" : "not ok 3\n";
31}
32
33if ($foo eq '*main::bar') {
34 print ref(\$foo) eq 'GLOB' ? "ok 4\n" : "not ok 4\n";
35}
36
37# type coersion on substitutions that match
38$a = *main::foo;
39$b = $a;
40$a =~ s/^X//;
41print ref(\$a) eq 'GLOB' ? "ok 5\n" : "not ok 5\n";
42$a =~ s/^\*//;
43print $a eq 'main::foo' ? "ok 6\n" : "not ok 6\n";
44print ref(\$b) eq 'GLOB' ? "ok 7\n" : "not ok 7\n";
45
46# typeglobs as lvalues
47substr($foo, 0, 1) = "XXX";
48print ref(\$foo) eq 'SCALAR' ? "ok 8\n" : "not ok 8\n";
49print $foo eq 'XXXmain::bar' ? "ok 9\n" : "not ok 9\n";
50
51# returning glob values
52sub foo {
53 local($bar) = *main::foo;
54 $foo = *main::bar;
55 return ($foo, $bar);
56}
57
58($fuu, $baa) = foo();
59if (defined $fuu) {
60 print ref(\$fuu) eq 'GLOB' ? "ok 10\n" : "not ok 10\n";
61}
62
63if (defined $baa) {
64 print ref(\$baa) eq 'GLOB' ? "ok 11\n" : "not ok 11\n";
65}
66
85aff577
CS
67# nested package globs
68# NOTE: It's probably OK if these semantics change, because the
69# fact that %X::Y:: is stored in %X:: isn't documented.
70# (I hope.)
71
9f1b1f2d 72{ package Foo::Bar; no warnings 'once'; $test=1; }
85aff577
CS
73print exists $Foo::{'Bar::'} ? "ok 12\n" : "not ok 12\n";
74print $Foo::{'Bar::'} eq '*Foo::Bar::' ? "ok 13\n" : "not ok 13\n";
20408e3c
GS
75
76# test undef operator clearing out entire glob
77$foo = 'stuff';
78@foo = qw(more stuff);
79%foo = qw(even more random stuff);
80undef *foo;
7b8d334a 81print +($foo || @foo || %foo) ? "not ok" : "ok", " 14\n";
20408e3c
GS
82
83# test warnings from assignment of undef to glob
84{
85 my $msg;
86 local $SIG{__WARN__} = sub { $msg = $_[0] };
9f1b1f2d 87 use warnings;
20408e3c 88 *foo = 'bar';
7b8d334a 89 print $msg ? "not ok" : "ok", " 15\n";
20408e3c 90 *foo = undef;
7b8d334a 91 print $msg ? "ok" : "not ok", " 16\n";
20408e3c 92}
640b9ef6
SM
93
94# test *glob{THING} syntax
95$x = "ok 17\n";
96@x = ("ok 18\n");
97%x = ("ok 19" => "\n");
98sub x { "ok 20\n" }
99print ${*x{SCALAR}}, @{*x{ARRAY}}, %{*x{HASH}}, &{*x{CODE}};
f4d13ee9
JH
100format x =
101ok 21
102.
103print ref *x{FORMAT} eq "FORMAT" ? "ok 21\n" : "not ok 21\n";
640b9ef6 104*x = *STDOUT;
f4d13ee9
JH
105print *{*x{GLOB}} eq "*main::STDOUT" ? "ok 22\n" : "not ok 22\n";
106print {*x{IO}} "ok 23\n";
39b99f21 107
29a56bd6
JH
108{
109 my $warn;
110 local $SIG{__WARN__} = sub {
111 $warn .= $_[0];
112 };
113 my $val = *x{FILEHANDLE};
d1f145d3 114 print {*x{IO}} ($warn =~ /is deprecated/ ? "ok 24\n" : "not ok 24\n");
29a56bd6
JH
115
116}
117
35cd451c
GS
118# test if defined() doesn't create any new symbols
119
120{
f4d13ee9 121 my $test = 24;
35cd451c
GS
122
123 my $a = "SYM000";
124 print "not " if defined *{$a};
125 ++$test; print "ok $test\n";
126
127 print "not " if defined @{$a} or defined *{$a};
128 ++$test; print "ok $test\n";
129
130 print "not " if defined %{$a} or defined *{$a};
131 ++$test; print "ok $test\n";
132
133 print "not " if defined ${$a} or defined *{$a};
134 ++$test; print "ok $test\n";
135
136 print "not " if defined &{$a} or defined *{$a};
137 ++$test; print "ok $test\n";
138
139 *{$a} = sub { print "ok $test\n" };
140 print "not " unless defined &{$a} and defined *{$a};
141 ++$test; &{$a};
142}
640b9ef6 143
c9d5ac95
GS
144# although it *should* if you're talking about magicals
145
146{
f4d13ee9 147 my $test = 30;
c9d5ac95
GS
148
149 my $a = "]";
150 print "not " unless defined ${$a};
151 ++$test; print "ok $test\n";
152 print "not " unless defined *{$a};
153 ++$test; print "ok $test\n";
154
155 $a = "1";
156 "o" =~ /(o)/;
157 print "not " unless ${$a};
158 ++$test; print "ok $test\n";
159 print "not " unless defined *{$a};
160 ++$test; print "ok $test\n";
161 $a = "2";
162 print "not " if ${$a};
163 ++$test; print "ok $test\n";
164 print "not " unless defined *{$a};
165 ++$test; print "ok $test\n";
166 $a = "1x";
167 print "not " if defined ${$a};
168 ++$test; print "ok $test\n";
169 print "not " if defined *{$a};
170 ++$test; print "ok $test\n";
171 $a = "11";
172 "o" =~ /(((((((((((o)))))))))))/;
173 print "not " unless ${$a};
174 ++$test; print "ok $test\n";
175 print "not " unless defined *{$a};
176 ++$test; print "ok $test\n";
177}
178
179
bd2155e9
JH
180# [ID 20010526.001] localized glob loses value when assigned to
181
182$j=1; %j=(a=>1); @j=(1); local *j=*j; *j = sub{};
183
184print $j == 1 ? "ok 41\n" : "not ok 41\n";
185print $j{a} == 1 ? "ok 42\n" : "not ok 42\n";
186print $j[0] == 1 ? "ok 43\n" : "not ok 43\n";
187
99491443
GS
188# does pp_readline() handle glob-ness correctly?
189
190{
191 my $g = *foo;
192 $g = <DATA>;
193 print $g;
194}
195
fb24441d
RGS
196{
197 my $w = '';
198 $SIG{__WARN__} = sub { $w = $_[0] };
199 sub abc1 ();
200 local *abc1 = sub { };
201 print $w eq '' ? "ok 45\n" : "not ok 45\n# $w";
202 sub abc2 ();
203 local *abc2;
204 *abc2 = sub { };
205 print $w eq '' ? "ok 46\n" : "not ok 46\n# $w";
206 sub abc3 ();
207 *abc3 = sub { };
208 print $w =~ /Prototype mismatch/ ? "ok 47\n" : "not ok 47\n# $w";
209}
210
2b5e58c4
AMS
211{
212 # [17375] rcatline to formerly-defined undef was broken. Fixed in
213 # do_readline by checking SvOK. AMS, 20020918
214 my $x = "not ";
215 $x = undef;
216 $x .= <DATA>;
217 print $x;
218}
219
4ce457a6
TP
220{
221 # test the assignment of a GLOB to an LVALUE
222 my $e = '';
223 local $SIG{__DIE__} = sub { $e = $_[0] };
224 my $v;
225 sub f { $_[0] = 0; $_[0] = "a"; $_[0] = *DATA }
226 f($v);
227 print $v eq '*main::DATA' ? "ok 49\n" : "not ok 49\n# $e";
228 my $x = <$v>;
229 print $x || "not ok 50\n";
230}
231
232{
233 # GLOB assignment to tied element
234 local $SIG{__DIE__} = sub { $e = $_[0] };
235 sub T::TIEARRAY { bless [] => "T" }
236 sub T::STORE { $_[0]->[ $_[1] ] = $_[2] }
237 sub T::FETCH { $_[0]->[ $_[1] ] }
238 tie my @ary => "T";
239 $ary[0] = *DATA;
240 print $ary[0] eq '*main::DATA' ? "ok 51\n" : "not ok 51\n# $e";
241 my $x = readline $ary[0];
242 print $x || "not ok 52\n";
243}
244
4ad16c23
DM
245# stringified typeglob should escape leading control char
246print *^A eq "*main::^A" ? "ok 53\n" : "not ok 53\n";
247
99491443 248__END__
bd2155e9 249ok 44
2b5e58c4 250ok 48
4ce457a6
TP
251ok 50
252ok 52