use warnings;
require './test.pl';
-plan( tests => 68 );
+plan( tests => 160 );
# type coersion on assignment
$foo = 'foo';
is($msg, '');
*foo = undef;
like($msg, qr/Undefined value assigned to typeglob/);
+
+ no warnings 'once';
+ # test warnings for converting globs to other forms
+ my $copy = *PWOMPF;
+ foreach ($copy, *SKREEE) {
+ $msg = '';
+ my $victim = sprintf "%d", $_;
+ like($msg, qr/Argument "\*main::[A-Z]{6}" isn't numeric in sprintf/,
+ "Warning on conversion to IV");
+ is($victim, 0);
+
+ $msg = '';
+ $victim = sprintf "%u", $_;
+ like($msg, qr/Argument "\*main::[A-Z]{6}" isn't numeric in sprintf/,
+ "Warning on conversion to UV");
+ is($victim, 0);
+
+ $msg = '';
+ $victim = sprintf "%e", $_;
+ like($msg, qr/Argument "\*main::[A-Z]{6}" isn't numeric in sprintf/,
+ "Warning on conversion to NV");
+ like($victim, qr/^0\.0+E\+?00/i, "Expect floating point zero");
+
+ $msg = '';
+ $victim = sprintf "%s", $_;
+ is($msg, '', "No warning on stringification");
+ is($victim, '' . $_);
+ }
}
my $test = curr_test();
{
my $w = '';
- $SIG{__WARN__} = sub { $w = $_[0] };
+ local $SIG{__WARN__} = sub { $w = $_[0] };
sub abc1 ();
local *abc1 = sub { };
is ($w, '');
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
+
+foreach (qw (oonk ga_shloip)) {
+ ok(!exists $::{$_}, "no symbols of any sort to start with for $_");
+}
+
+# A string in place of the typeglob is promoted to the function prototype
+$::{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, *STDOUT) {
+ 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 $value, "Correct type of value (" . ref($value) . ")");
+ is ($got, $value, "Value is correctly set");
+}
+
+delete $::{oonk};
+$::{oonk} = \"Value";
+
+*{"ga_shloip"} = \&{"oonk"};
+
+is (ref $::{ga_shloip}, 'SCALAR', "Export of proxy constant as is");
+is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original");
+is (eval 'ga_shloip', "Value", "Constant has correct value");
+is (ref $::{ga_shloip}, 'SCALAR',
+ "Inlining of constant doesn't change represenatation");
+
+delete $::{ga_shloip};
+
+eval 'sub ga_shloip (); 1' or die $@;
+is ($::{ga_shloip}, '', "Prototype is stored as an empty string");
+
+# Check that a prototype expands.
+*{"ga_shloip"} = \&{"oonk"};
+
+is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original");
+is (eval 'ga_shloip', "Value", "Constant has correct value");
+is (ref \$::{ga_shloip}, 'GLOB', "Symbol table has full typeglob");
+
+
+@::zwot = ('Zwot!');
+
+# Check that assignment to an existing typeglob works
+{
+ my $w = '';
+ local $SIG{__WARN__} = sub { $w = $_[0] };
+ *{"zwot"} = \&{"oonk"};
+ is($w, '', "Should be no warning");
+}
+
+is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original");
+is (eval 'zwot', "Value", "Constant has correct value");
+is (ref \$::{zwot}, 'GLOB', "Symbol table has full typeglob");
+is (join ('!', @::zwot), 'Zwot!', "Existing array still in typeglob");
+
+sub spritsits () {
+ "Traditional";
+}
+
+# Check that assignment to an existing subroutine works
+{
+ my $w = '';
+ local $SIG{__WARN__} = sub { $w = $_[0] };
+ *{"spritsits"} = \&{"oonk"};
+ like($w, qr/^Constant subroutine main::spritsits redefined/,
+ "Redefining a constant sub should warn");
+}
+
+is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original");
+is (eval 'spritsits', "Value", "Constant has correct value");
+is (ref \$::{spritsits}, 'GLOB', "Symbol table has full typeglob");
+
+my $result;
+# Check that assignment to an existing typeglob works
+{
+ my $w = '';
+ local $SIG{__WARN__} = sub { $w = $_[0] };
+ $result = *{"plunk"} = \&{"oonk"};
+ is($w, '', "Should be no warning");
+}
+
+is (ref \$result, 'GLOB',
+ "Non void assignment should still return a typeglob");
+
+is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original");
+is (eval 'plunk', "Value", "Constant has correct value");
+is (ref \$::{plunk}, 'GLOB', "Symbol table has full typeglob");
+
+my $gr = eval '\*plunk' or die;
+
+{
+ my $w = '';
+ local $SIG{__WARN__} = sub { $w = $_[0] };
+ $result = *{$gr} = \&{"oonk"};
+ is($w, '', "Redefining a constant sub to another constant sub with the same underlying value should not warn (It's just re-exporting, and that was always legal)");
+}
+
+is (ref $::{oonk}, 'SCALAR', "Export doesn't affect original");
+is (eval 'plunk', "Value", "Constant has correct value");
+is (ref \$::{plunk}, 'GLOB', "Symbol table has full typeglob");
+
+{
+ use vars qw($glook $smek $foof);
+ # Check reference assignment isn't affected by the SV type (bug #38439)
+ $glook = 3;
+ $smek = 4;
+ $foof = "halt and cool down";
+
+ my $rv = \*smek;
+ is($glook, 3);
+ *glook = $rv;
+ is($glook, 4);
+
+ my $pv = "";
+ $pv = \*smek;
+ is($foof, "halt and cool down");
+ *foof = $pv;
+ is($foof, 4);
+}
+
+format =
+.
+
+foreach my $value ([1,2,3], {1=>2}, *STDOUT{IO}, \&ok, *STDOUT{FORMAT}) {
+ # *STDOUT{IO} returns a reference to a PVIO. As it's blessed, ref returns
+ # IO::Handle, which isn't what we want.
+ my $type = $value;
+ $type =~ s/.*=//;
+ $type =~ s/\(.*//;
+ delete $::{oonk};
+ $::{oonk} = $value;
+ $proto = eval 'prototype \&oonk';
+ like ($@, qr/^Cannot convert a reference to $type to typeglob/,
+ "Cannot upgrade ref-to-$type to typeglob");
+}
+
+{
+ no warnings qw(once uninitialized);
+ my $g = \*clatter;
+ my $r = eval {no strict; ${*{$g}{SCALAR}}};
+ is ($@, '', "PERL_DONT_CREATE_GVSV shouldn't affect thingy syntax");
+
+ $g = \*vowm;
+ $r = eval {use strict; ${*{$g}{SCALAR}}};
+ is ($@, '',
+ "PERL_DONT_CREATE_GVSV shouldn't affect thingy syntax under strict");
+}
+
+{
+ # Bug reported by broquaint on IRC
+ *slosh::{HASH}->{ISA}=[];
+ slosh->import;
+ pass("gv_fetchmeth coped with the unexpected");
+
+ # An audit found these:
+ {
+ package slosh;
+ sub rip {
+ my $s = shift;
+ $s->SUPER::rip;
+ }
+ }
+ eval {slosh->rip;};
+ like ($@, qr/^Can't locate object method "rip"/, "Even with SUPER");
+
+ is(slosh->isa('swoosh'), '');
+
+ $CORE::GLOBAL::{"lock"}=[];
+ eval "no warnings; lock";
+ like($@, qr/^Not enough arguments for lock/,
+ "Can't trip up general keyword overloading");
+
+ $CORE::GLOBAL::{"readline"}=[];
+ eval "<STDOUT> if 0";
+ is($@, '', "Can't trip up readline overloading");
+
+ $CORE::GLOBAL::{"readpipe"}=[];
+ eval "`` if 0";
+ is($@, '', "Can't trip up readpipe overloading");
+}
__END__
Perl
Rules