Commit | Line | Data |
b9894134 |
1 | #!./perl |
2 | |
3 | # |
4 | # various typeglob tests |
5 | # |
6 | |
35cd451c |
7 | print "1..29\n"; |
b9894134 |
8 | |
9 | # type coersion on assignment |
10 | $foo = 'foo'; |
11 | $bar = *main::foo; |
12 | $bar = $foo; |
13 | print ref(\$bar) eq 'SCALAR' ? "ok 1\n" : "not ok 1\n"; |
14 | $foo = *main::bar; |
15 | |
16 | # type coersion (not) on misc ops |
17 | |
18 | if ($foo) { |
19 | print ref(\$foo) eq 'GLOB' ? "ok 2\n" : "not ok 2\n"; |
20 | } |
21 | |
22 | unless ($foo =~ /abcd/) { |
23 | print ref(\$foo) eq 'GLOB' ? "ok 3\n" : "not ok 3\n"; |
24 | } |
25 | |
26 | if ($foo eq '*main::bar') { |
27 | print ref(\$foo) eq 'GLOB' ? "ok 4\n" : "not ok 4\n"; |
28 | } |
29 | |
30 | # type coersion on substitutions that match |
31 | $a = *main::foo; |
32 | $b = $a; |
33 | $a =~ s/^X//; |
34 | print ref(\$a) eq 'GLOB' ? "ok 5\n" : "not ok 5\n"; |
35 | $a =~ s/^\*//; |
36 | print $a eq 'main::foo' ? "ok 6\n" : "not ok 6\n"; |
37 | print ref(\$b) eq 'GLOB' ? "ok 7\n" : "not ok 7\n"; |
38 | |
39 | # typeglobs as lvalues |
40 | substr($foo, 0, 1) = "XXX"; |
41 | print ref(\$foo) eq 'SCALAR' ? "ok 8\n" : "not ok 8\n"; |
42 | print $foo eq 'XXXmain::bar' ? "ok 9\n" : "not ok 9\n"; |
43 | |
44 | # returning glob values |
45 | sub foo { |
46 | local($bar) = *main::foo; |
47 | $foo = *main::bar; |
48 | return ($foo, $bar); |
49 | } |
50 | |
51 | ($fuu, $baa) = foo(); |
52 | if (defined $fuu) { |
53 | print ref(\$fuu) eq 'GLOB' ? "ok 10\n" : "not ok 10\n"; |
54 | } |
55 | |
56 | if (defined $baa) { |
57 | print ref(\$baa) eq 'GLOB' ? "ok 11\n" : "not ok 11\n"; |
58 | } |
59 | |
85aff577 |
60 | # nested package globs |
61 | # NOTE: It's probably OK if these semantics change, because the |
62 | # fact that %X::Y:: is stored in %X:: isn't documented. |
63 | # (I hope.) |
64 | |
65 | { package Foo::Bar } |
66 | print exists $Foo::{'Bar::'} ? "ok 12\n" : "not ok 12\n"; |
67 | print $Foo::{'Bar::'} eq '*Foo::Bar::' ? "ok 13\n" : "not ok 13\n"; |
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68 | |
69 | # test undef operator clearing out entire glob |
70 | $foo = 'stuff'; |
71 | @foo = qw(more stuff); |
72 | %foo = qw(even more random stuff); |
73 | undef *foo; |
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74 | print +($foo || @foo || %foo) ? "not ok" : "ok", " 14\n"; |
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75 | |
76 | # test warnings from assignment of undef to glob |
77 | { |
78 | my $msg; |
79 | local $SIG{__WARN__} = sub { $msg = $_[0] }; |
80 | local $^W = 1; |
81 | *foo = 'bar'; |
7b8d334a |
82 | print $msg ? "not ok" : "ok", " 15\n"; |
20408e3c |
83 | *foo = undef; |
7b8d334a |
84 | print $msg ? "ok" : "not ok", " 16\n"; |
20408e3c |
85 | } |
640b9ef6 |
86 | |
87 | # test *glob{THING} syntax |
88 | $x = "ok 17\n"; |
89 | @x = ("ok 18\n"); |
90 | %x = ("ok 19" => "\n"); |
91 | sub x { "ok 20\n" } |
92 | print ${*x{SCALAR}}, @{*x{ARRAY}}, %{*x{HASH}}, &{*x{CODE}}; |
93 | *x = *STDOUT; |
94 | print *{*x{GLOB}} eq "*main::STDOUT" ? "ok 21\n" : "not ok 21\n"; |
95 | print {*x{IO}} "ok 22\n"; |
96 | print {*x{FILEHANDLE}} "ok 23\n"; |
97 | |
35cd451c |
98 | # test if defined() doesn't create any new symbols |
99 | |
100 | { |
101 | my $test = 23; |
102 | |
103 | my $a = "SYM000"; |
104 | print "not " if defined *{$a}; |
105 | ++$test; print "ok $test\n"; |
106 | |
107 | print "not " if defined @{$a} or defined *{$a}; |
108 | ++$test; print "ok $test\n"; |
109 | |
110 | print "not " if defined %{$a} or defined *{$a}; |
111 | ++$test; print "ok $test\n"; |
112 | |
113 | print "not " if defined ${$a} or defined *{$a}; |
114 | ++$test; print "ok $test\n"; |
115 | |
116 | print "not " if defined &{$a} or defined *{$a}; |
117 | ++$test; print "ok $test\n"; |
118 | |
119 | *{$a} = sub { print "ok $test\n" }; |
120 | print "not " unless defined &{$a} and defined *{$a}; |
121 | ++$test; &{$a}; |
122 | } |
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123 | |