# various typeglob tests
#
-print "1..13\n";
+BEGIN {
+ chdir 't' if -d 't';
+ @INC = '../lib';
+}
+
+use warnings;
+
+require './test.pl';
+plan( tests => 97 );
# type coersion on assignment
$foo = 'foo';
$bar = *main::foo;
$bar = $foo;
-print ref(\$bar) eq 'SCALAR' ? "ok 1\n" : "not ok 1\n";
+is(ref(\$bar), 'SCALAR');
$foo = *main::bar;
# type coersion (not) on misc ops
-if ($foo) {
- print ref(\$foo) eq 'GLOB' ? "ok 2\n" : "not ok 2\n";
-}
+ok($foo);
+is(ref(\$foo), 'GLOB');
-unless ($foo =~ /abcd/) {
- print ref(\$foo) eq 'GLOB' ? "ok 3\n" : "not ok 3\n";
-}
+unlike ($foo, qr/abcd/);
+is(ref(\$foo), 'GLOB');
-if ($foo eq '*main::bar') {
- print ref(\$foo) eq 'GLOB' ? "ok 4\n" : "not ok 4\n";
-}
+is($foo, '*main::bar');
+is(ref(\$foo), 'GLOB');
# type coersion on substitutions that match
$a = *main::foo;
$b = $a;
$a =~ s/^X//;
-print ref(\$a) eq 'GLOB' ? "ok 5\n" : "not ok 5\n";
+is(ref(\$a), 'GLOB');
$a =~ s/^\*//;
-print $a eq 'main::foo' ? "ok 6\n" : "not ok 6\n";
-print ref(\$b) eq 'GLOB' ? "ok 7\n" : "not ok 7\n";
+is($a, 'main::foo');
+is(ref(\$b), 'GLOB');
# typeglobs as lvalues
substr($foo, 0, 1) = "XXX";
-print ref(\$foo) eq 'SCALAR' ? "ok 8\n" : "not ok 8\n";
-print $foo eq 'XXXmain::bar' ? "ok 9\n" : "not ok 9\n";
+is(ref(\$foo), 'SCALAR');
+is($foo, 'XXXmain::bar');
# returning glob values
sub foo {
}
($fuu, $baa) = foo();
-if (defined $fuu) {
- print ref(\$fuu) eq 'GLOB' ? "ok 10\n" : "not ok 10\n";
-}
+ok(defined $fuu);
+is(ref(\$fuu), 'GLOB');
-if (defined $baa) {
- print ref(\$baa) eq 'GLOB' ? "ok 11\n" : "not ok 11\n";
-}
+
+ok(defined $baa);
+is(ref(\$baa), 'GLOB');
# nested package globs
# NOTE: It's probably OK if these semantics change, because the
# fact that %X::Y:: is stored in %X:: isn't documented.
# (I hope.)
-{ package Foo::Bar }
-print exists $Foo::{'Bar::'} ? "ok 12\n" : "not ok 12\n";
-print $Foo::{'Bar::'} eq '*Foo::Bar::' ? "ok 13\n" : "not ok 13\n";
+{ package Foo::Bar; no warnings 'once'; $test=1; }
+ok(exists $Foo::{'Bar::'});
+is($Foo::{'Bar::'}, '*Foo::Bar::');
+
+
+# test undef operator clearing out entire glob
+$foo = 'stuff';
+@foo = qw(more stuff);
+%foo = qw(even more random stuff);
+undef *foo;
+is ($foo, undef);
+is (scalar @foo, 0);
+is (scalar %foo, 0);
+
+{
+ # test warnings from assignment of undef to glob
+ my $msg = '';
+ local $SIG{__WARN__} = sub { $msg = $_[0] };
+ use warnings;
+ *foo = 'bar';
+ is($msg, '');
+ *foo = undef;
+ like($msg, qr/Undefined value assigned to typeglob/);
+}
+
+my $test = curr_test();
+# test *glob{THING} syntax
+$x = "ok $test\n";
+++$test;
+@x = ("ok $test\n");
+++$test;
+%x = ("ok $test" => "\n");
+++$test;
+sub x { "ok $test\n" }
+print ${*x{SCALAR}}, @{*x{ARRAY}}, %{*x{HASH}}, &{*x{CODE}};
+# This needs to go here, after the print, as sub x will return the current
+# value of test
+++$test;
+format x =
+XXX This text isn't used. Should it be?
+.
+curr_test($test);
+
+is (ref *x{FORMAT}, "FORMAT");
+*x = *STDOUT;
+is (*{*x{GLOB}}, "*main::STDOUT");
+
+{
+ my $test = curr_test();
+
+ print {*x{IO}} "ok $test\n";
+ ++$test;
+
+ my $warn;
+ local $SIG{__WARN__} = sub {
+ $warn .= $_[0];
+ };
+ my $val = *x{FILEHANDLE};
+ print {*x{IO}} ($warn =~ /is deprecated/
+ ? "ok $test\n" : "not ok $test\n");
+ curr_test(++$test);
+}
+
+
+{
+ # test if defined() doesn't create any new symbols
+
+ my $a = "SYM000";
+ ok(!defined *{$a});
+
+ ok(!defined @{$a});
+ ok(!defined *{$a});
+
+ ok(!defined %{$a});
+ ok(!defined *{$a});
+
+ ok(!defined ${$a});
+ ok(!defined *{$a});
+
+ ok(!defined &{$a});
+ ok(!defined *{$a});
+
+ my $state = "not";
+ *{$a} = sub { $state = "ok" };
+ ok(defined &{$a});
+ ok(defined *{$a});
+ &{$a};
+ is ($state, 'ok');
+}
+
+{
+ # although it *should* if you're talking about magicals
+
+ my $a = "]";
+ ok(defined ${$a});
+ ok(defined *{$a});
+
+ $a = "1";
+ "o" =~ /(o)/;
+ ok(${$a});
+ ok(defined *{$a});
+ $a = "2";
+ ok(!${$a});
+ ok(defined *{$a});
+ $a = "1x";
+ ok(!defined ${$a});
+ ok(!defined *{$a});
+ $a = "11";
+ "o" =~ /(((((((((((o)))))))))))/;
+ ok(${$a});
+ ok(defined *{$a});
+}
+
+# [ID 20010526.001] localized glob loses value when assigned to
+
+$j=1; %j=(a=>1); @j=(1); local *j=*j; *j = sub{};
+
+is($j, 1);
+is($j{a}, 1);
+is($j[0], 1);
+
+{
+ # does pp_readline() handle glob-ness correctly?
+ my $g = *foo;
+ $g = <DATA>;
+ is ($g, "Perl\n");
+}
+
+{
+ my $w = '';
+ $SIG{__WARN__} = sub { $w = $_[0] };
+ sub abc1 ();
+ local *abc1 = sub { };
+ is ($w, '');
+ sub abc2 ();
+ local *abc2;
+ *abc2 = sub { };
+ is ($w, '');
+ sub abc3 ();
+ *abc3 = sub { };
+ like ($w, qr/Prototype mismatch/);
+}
+
+{
+ # [17375] rcatline to formerly-defined undef was broken. Fixed in
+ # do_readline by checking SvOK. AMS, 20020918
+ my $x = "not ";
+ $x = undef;
+ $x .= <DATA>;
+ is ($x, "Rules\n");
+}
+
+{
+ # test the assignment of a GLOB to an LVALUE
+ my $e = '';
+ local $SIG{__DIE__} = sub { $e = $_[0] };
+ my $v;
+ sub f { $_[0] = 0; $_[0] = "a"; $_[0] = *DATA }
+ f($v);
+ is ($v, '*main::DATA');
+ my $x = <$v>;
+ is ($x, "perl\n");
+}
+
+{
+ $e = '';
+ # GLOB assignment to tied element
+ local $SIG{__DIE__} = sub { $e = $_[0] };
+ sub T::TIEARRAY { bless [] => "T" }
+ sub T::STORE { $_[0]->[ $_[1] ] = $_[2] }
+ sub T::FETCH { $_[0]->[ $_[1] ] }
+ sub T::FETCHSIZE { @{$_[0]} }
+ tie my @ary => "T";
+ $ary[0] = *DATA;
+ is ($ary[0], '*main::DATA');
+ is ($e, '');
+ my $x = readline $ary[0];
+ is($x, "rocks\n");
+}
+
+{
+ # Need some sort of die or warn to get the global destruction text if the
+ # bug is still present
+ my $output = runperl(prog => <<'EOPROG');
+package M;
+$| = 1;
+sub DESTROY {eval {die qq{Farewell $_[0]}}; print $@}
+package main;
+
+bless \$A::B, 'M';
+*A:: = \*B::;
+EOPROG
+ like($output, qr/^Farewell M=SCALAR/, "DESTROY was called");
+ unlike($output, qr/global destruction/,
+ "unreferenced symbol tables should be cleaned up immediately");
+}
+
+# Possibly not the correct test file for these tests.
+# There are certain space optimisations implemented via promotion rules to
+# GVs
+
+ok(!exists $::{oonk}, "no symbols of any sort to start with");
+
+# A string in place of the typeglob is promoted to the function prototype
+$::{oonk} = "pie";
+my $proto = eval 'prototype \&oonk';
+die if $@;
+is ($proto, "pie", "String is promoted to prototype");
+
+
+# A reference to a value is used to generate a constant subroutine
+foreach my $value (3, "Perl rules", \42, qr/whatever/, [1,2,3], {1=>2},
+ \*STDIN, \&ok, \undef) {
+ delete $::{oonk};
+ $::{oonk} = \$value;
+ $proto = eval 'prototype \&oonk';
+ die if $@;
+ is ($proto, '', "Prototype for a constant subroutine is empty");
+
+ my $got = eval 'oonk';
+ die if $@;
+ is (ref $got, ref $value, "Correct type of value");
+ is ($got, $value, "Value is correctly set");
+}
+__END__
+Perl
+Rules
+perl
+rocks
projects / p5sagit/p5-mst-13.2.git / blobdiff