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enable propagating exception objects via Perl_croak() in XS code
[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';
9 unshift @INC, '../lib';
10}
11
12use warnings;
13
99491443 14print "1..30\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}};
100*x = *STDOUT;
101print *{*x{GLOB}} eq "*main::STDOUT" ? "ok 21\n" : "not ok 21\n";
102print {*x{IO}} "ok 22\n";
103print {*x{FILEHANDLE}} "ok 23\n";
104
35cd451c
GS
105# test if defined() doesn't create any new symbols
106
107{
108 my $test = 23;
109
110 my $a = "SYM000";
111 print "not " if defined *{$a};
112 ++$test; print "ok $test\n";
113
114 print "not " if defined @{$a} or defined *{$a};
115 ++$test; print "ok $test\n";
116
117 print "not " if defined %{$a} or defined *{$a};
118 ++$test; print "ok $test\n";
119
120 print "not " if defined ${$a} or defined *{$a};
121 ++$test; print "ok $test\n";
122
123 print "not " if defined &{$a} or defined *{$a};
124 ++$test; print "ok $test\n";
125
126 *{$a} = sub { print "ok $test\n" };
127 print "not " unless defined &{$a} and defined *{$a};
128 ++$test; &{$a};
129}
640b9ef6 130
99491443
GS
131# does pp_readline() handle glob-ness correctly?
132
133{
134 my $g = *foo;
135 $g = <DATA>;
136 print $g;
137}
138
139__END__
140ok 30