99 lines
2.2 KiB
Perl
99 lines
2.2 KiB
Perl
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#!./perl
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#
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# various typeglob tests
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#
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print "1..23\n";
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# type coersion on assignment
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$foo = 'foo';
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$bar = *main::foo;
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$bar = $foo;
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print ref(\$bar) eq 'SCALAR' ? "ok 1\n" : "not ok 1\n";
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$foo = *main::bar;
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# type coersion (not) on misc ops
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if ($foo) {
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print ref(\$foo) eq 'GLOB' ? "ok 2\n" : "not ok 2\n";
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}
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unless ($foo =~ /abcd/) {
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print ref(\$foo) eq 'GLOB' ? "ok 3\n" : "not ok 3\n";
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}
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if ($foo eq '*main::bar') {
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print ref(\$foo) eq 'GLOB' ? "ok 4\n" : "not ok 4\n";
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}
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# type coersion on substitutions that match
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$a = *main::foo;
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$b = $a;
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$a =~ s/^X//;
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print ref(\$a) eq 'GLOB' ? "ok 5\n" : "not ok 5\n";
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$a =~ s/^\*//;
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print $a eq 'main::foo' ? "ok 6\n" : "not ok 6\n";
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print ref(\$b) eq 'GLOB' ? "ok 7\n" : "not ok 7\n";
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# typeglobs as lvalues
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substr($foo, 0, 1) = "XXX";
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print ref(\$foo) eq 'SCALAR' ? "ok 8\n" : "not ok 8\n";
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print $foo eq 'XXXmain::bar' ? "ok 9\n" : "not ok 9\n";
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# returning glob values
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sub foo {
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local($bar) = *main::foo;
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$foo = *main::bar;
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return ($foo, $bar);
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}
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($fuu, $baa) = foo();
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if (defined $fuu) {
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print ref(\$fuu) eq 'GLOB' ? "ok 10\n" : "not ok 10\n";
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}
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if (defined $baa) {
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print ref(\$baa) eq 'GLOB' ? "ok 11\n" : "not ok 11\n";
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}
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# nested package globs
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# NOTE: It's probably OK if these semantics change, because the
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# fact that %X::Y:: is stored in %X:: isn't documented.
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# (I hope.)
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{ package Foo::Bar }
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print exists $Foo::{'Bar::'} ? "ok 12\n" : "not ok 12\n";
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print $Foo::{'Bar::'} eq '*Foo::Bar::' ? "ok 13\n" : "not ok 13\n";
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# test undef operator clearing out entire glob
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$foo = 'stuff';
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@foo = qw(more stuff);
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%foo = qw(even more random stuff);
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undef *foo;
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print +($foo || @foo || %foo) ? "not ok" : "ok", " 14\n";
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# test warnings from assignment of undef to glob
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{
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my $msg;
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local $SIG{__WARN__} = sub { $msg = $_[0] };
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local $^W = 1;
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*foo = 'bar';
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print $msg ? "not ok" : "ok", " 15\n";
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*foo = undef;
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print $msg ? "ok" : "not ok", " 16\n";
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}
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# test *glob{THING} syntax
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$x = "ok 17\n";
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@x = ("ok 18\n");
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%x = ("ok 19" => "\n");
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sub x { "ok 20\n" }
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print ${*x{SCALAR}}, @{*x{ARRAY}}, %{*x{HASH}}, &{*x{CODE}};
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*x = *STDOUT;
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print *{*x{GLOB}} eq "*main::STDOUT" ? "ok 21\n" : "not ok 21\n";
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print {*x{IO}} "ok 22\n";
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print {*x{FILEHANDLE}} "ok 23\n";
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