mirror of
https://github.com/Perl/perl5.git
synced 2026-01-26 08:38:23 +00:00
120 lines
3.3 KiB
Perl
120 lines
3.3 KiB
Perl
#./perl
|
|
|
|
use Test::More;
|
|
|
|
no warnings 'experimental::builtin';
|
|
use builtin qw(refaddr);
|
|
|
|
{
|
|
package Stringifies;
|
|
|
|
use overload (
|
|
fallback => 1,
|
|
'""' => sub { "foo" },
|
|
'0+' => sub { 42 },
|
|
cos => sub { "far side of overload table" },
|
|
);
|
|
|
|
sub new { bless {}, shift };
|
|
}
|
|
|
|
my $x = Stringifies->new;
|
|
my $y = qr//;
|
|
my $ystr = "$y";
|
|
|
|
is( "$x", "foo", "stringifies" );
|
|
is( "$y", $ystr, "stringifies qr//" );
|
|
is( 0 + $x, 42, "numifies" );
|
|
is( cos($x), "far side of overload table", "cosinusfies" );
|
|
|
|
{
|
|
no overloading;
|
|
is( "$x", overload::StrVal($x), "no stringification" );
|
|
is( "$y", overload::StrVal($y), "no stringification of qr//" );
|
|
is( 0 + $x, refaddr($x), "no numification" );
|
|
is( cos($x), cos(refaddr($x)), "no cosinusfication" );
|
|
|
|
{
|
|
no overloading '""';
|
|
is( "$x", overload::StrVal($x), "no stringification" );
|
|
is( "$y", overload::StrVal($y), "no stringification of qr//" );
|
|
is( 0 + $x, refaddr($x), "no numification" );
|
|
is( cos($x), cos(refaddr($x)), "no cosinusfication" );
|
|
}
|
|
}
|
|
|
|
{
|
|
no overloading '""';
|
|
|
|
is( "$x", overload::StrVal($x), "no stringification" );
|
|
is( "$y", overload::StrVal($y), "no stringification of qr//" );
|
|
is( 0 + $x, 42, "numifies" );
|
|
is( cos($x), "far side of overload table", "cosinusfies" );
|
|
|
|
my $q = qr/abc/;
|
|
ok "abc" =~ $q, '=~ qr// with no "" overloading';
|
|
ok "abcd" =~ /${q}d/, '=~ /foo$qr/ with no "" overloading';
|
|
{
|
|
no overloading 'qr';
|
|
my $q = qr/abc/;
|
|
ok "abc" =~ $q, '=~ qr// with no "" or qr overloading';
|
|
ok "abcd" =~ /${q}d/, '=~ /foo$qr/ with no "" or qr overloading';
|
|
}
|
|
|
|
{
|
|
no overloading;
|
|
is( "$x", overload::StrVal($x), "no stringification" );
|
|
is( "$y", overload::StrVal($y), "no stringification of qr//" );
|
|
is( 0 + $x, refaddr($x), "no numification" );
|
|
is( cos($x), cos(refaddr($x)), "no cosinusfication" );
|
|
}
|
|
|
|
use overloading '""';
|
|
|
|
is( "$x", "foo", "stringifies" );
|
|
is( "$y", $ystr, "stringifies qr//" );
|
|
is( 0 + $x, 42, "numifies" );
|
|
is( cos($x), "far side of overload table", "cosinusfies" );
|
|
|
|
no overloading '0+';
|
|
is( "$x", "foo", "stringifies" );
|
|
is( "$y", $ystr, "stringifies qr//" );
|
|
is( 0 + $x, refaddr($x), "no numification" );
|
|
is( cos($x), "far side of overload table", "cosinusfies" );
|
|
|
|
{
|
|
no overloading '""';
|
|
is( "$x", overload::StrVal($x), "no stringification" );
|
|
is( "$y", overload::StrVal($y), "no stringification of qr//" );
|
|
is( 0 + $x, refaddr($x), "no numification" );
|
|
is( cos($x), "far side of overload table", "cosinusfies" );
|
|
|
|
{
|
|
use overloading;
|
|
is( "$x", "foo", "stringifies" );
|
|
is( "$y", $ystr, "stringifies qr//" );
|
|
is( 0 + $x, 42, "numifies" );
|
|
is( cos($x), "far side of overload table", "cosinusfies" );
|
|
}
|
|
}
|
|
|
|
is( "$x", "foo", "stringifies" );
|
|
is( "$y", $ystr, "stringifies qr//" );
|
|
is( 0 + $x, refaddr($x), "no numification" );
|
|
is( cos($x), "far side of overload table", "cosinusfies" );
|
|
|
|
no overloading "cos";
|
|
is( "$x", "foo", "stringifies" );
|
|
is( "$y", $ystr, "stringifies qr//" );
|
|
is( 0 + $x, refaddr($x), "no numification" );
|
|
is( cos($x), cos(refaddr($x)), "no cosinusfication" );
|
|
|
|
BEGIN { ok(exists($^H{overloading}), "overloading hint present") }
|
|
|
|
use overloading;
|
|
|
|
BEGIN { ok(!exists($^H{overloading}), "overloading hint removed") }
|
|
}
|
|
|
|
done_testing();
|