qw(
"" stringify
-0+ numify) # Order of arguments unsignificant
+0+ numify) # Order of arguments insignificant
);
sub new {
package main;
$| = 1;
-use Test::More tests => 522;
+use Test::More tests => 558;
$a = new Oscalar "087";
}, 'deref';
# Hash:
my @cont = sort %$deref;
- if ("\t" eq "\011") { # ascii
+ if ("\t" eq "\011") { # ASCII
is("@cont", '23 5 fake foo');
}
- else { # ebcdic alpha-numeric sort order
+ else { # EBCDIC alpha-numeric sort order
is("@cont", 'fake foo 23 5');
}
my @keys = sort keys %$deref;
main::is("$int_x", 1054);
}
-# make sure that we don't inifinitely recurse
+# make sure that we don't infinitely recurse
{
my $c = 0;
package Recurse;
like(overload::StrVal(sub{1}), qr/^CODE\(0x[0-9a-f]+\)$/);
like(overload::StrVal(\*GLOB), qr/^GLOB\(0x[0-9a-f]+\)$/);
like(overload::StrVal(\$o), qr/^REF\(0x[0-9a-f]+\)$/);
- like(overload::StrVal(qr/a/), qr/^Regexp=SCALAR\(0x[0-9a-f]+\)$/);
+ like(overload::StrVal(qr/a/), qr/^Regexp=REGEXP\(0x[0-9a-f]+\)$/);
like(overload::StrVal($o), qr/^perl31793=ARRAY\(0x[0-9a-f]+\)$/);
like(overload::StrVal($of), qr/^perl31793_fb=ARRAY\(0x[0-9a-f]+\)$/);
like(overload::StrVal($no), qr/^no_overload=ARRAY\(0x[0-9a-f]+\)$/);
}
-# These are all check that overloaded values rather than reference addressess
+# These are all check that overloaded values rather than reference addresses
# are what is getting tested.
my ($two, $one, $un, $deux) = map {new Numify $_} 2, 1, 1, 2;
my ($ein, $zwei) = (1, 2);
my $obj;
$obj = bless {name => 'cool'}, 'Sklorsh';
$obj->delete;
- ok(eval {if ($obj) {1}; 1}, $@ || 'reblessed into nonexist namespace');
+ ok(eval {if ($obj) {1}; 1}, $@ || 'reblessed into nonexistent namespace');
$obj = bless {name => 'cool'}, 'Sklorsh';
$obj->delete_with_self;
like($warning, qr/isn't numeric/, 'cmp should return number');
}
+
+{
+ # Subtle bug pre 5.10, as a side effect of the overloading flag being
+ # stored on the reference rather than the referent. Despite the fact that
+ # objects can only be accessed via references (even internally), the
+ # referent actually knows that it's blessed, not the references. So taking
+ # a new, unrelated, reference to it gives an object. However, the
+ # overloading-or-not flag was on the reference prior to 5.10, and taking
+ # a new reference didn't (use to) copy it.
+
+ package kayo;
+
+ use overload '""' => sub {${$_[0]}};
+
+ sub Pie {
+ return "$_[0], $_[1]";
+ }
+
+ package main;
+
+ my $class = 'kayo';
+ my $string = 'bam';
+ my $crunch_eth = bless \$string, $class;
+
+ is("$crunch_eth", $string);
+ is ($crunch_eth->Pie("Meat"), "$string, Meat");
+
+ my $wham_eth = \$string;
+
+ is("$wham_eth", $string,
+ 'This reference did not have overloading in 5.8.8 and earlier');
+ is ($crunch_eth->Pie("Apple"), "$string, Apple");
+
+ my $class = ref $wham_eth;
+ $class =~ s/=.*//;
+
+ # Bless it back into its own class!
+ bless $wham_eth, $class;
+
+ is("$wham_eth", $string);
+ is ($crunch_eth->Pie("Blackbird"), "$string, Blackbird");
+}
+
+{
+ package numify_int;
+ use overload "0+" => sub { $_[0][0] += 1; 42 };
+ package numify_self;
+ use overload "0+" => sub { $_[0][0]++; $_[0] };
+ package numify_other;
+ use overload "0+" => sub { $_[0][0]++; $_[0][1] = bless [], 'numify_int' };
+ package numify_by_fallback;
+ use overload fallback => 1;
+
+ package main;
+ my $o = bless [], 'numify_int';
+ is(int($o), 42, 'numifies to integer');
+ is($o->[0], 1, 'int() numifies only once');
+
+ my $aref = [];
+ my $num_val = int($aref);
+ my $r = bless $aref, 'numify_self';
+ is(int($r), $num_val, 'numifies to self');
+ is($r->[0], 1, 'int() numifies once when returning self');
+
+ my $s = bless [], 'numify_other';
+ is(int($s), 42, 'numifies to numification of other object');
+ is($s->[0], 1, 'int() numifies once when returning other object');
+ is($s->[1][0], 1, 'returned object numifies too');
+
+ my $m = bless $aref, 'numify_by_fallback';
+ is(int($m), $num_val, 'numifies to usual reference value');
+ is(abs($m), $num_val, 'numifies to usual reference value');
+ is(-$m, -$num_val, 'numifies to usual reference value');
+ is(0+$m, $num_val, 'numifies to usual reference value');
+ is($m+0, $num_val, 'numifies to usual reference value');
+ is($m+$m, 2*$num_val, 'numifies to usual reference value');
+ is(0-$m, -$num_val, 'numifies to usual reference value');
+ is(1*$m, $num_val, 'numifies to usual reference value');
+ is($m/1, $num_val, 'numifies to usual reference value');
+ is($m%100, $num_val%100, 'numifies to usual reference value');
+ is($m**1, $num_val, 'numifies to usual reference value');
+
+ is(abs($aref), $num_val, 'abs() of ref');
+ is(-$aref, -$num_val, 'negative of ref');
+ is(0+$aref, $num_val, 'ref addition');
+ is($aref+0, $num_val, 'ref addition');
+ is($aref+$aref, 2*$num_val, 'ref addition');
+ is(0-$aref, -$num_val, 'subtraction of ref');
+ is(1*$aref, $num_val, 'multiplicaton of ref');
+ is($aref/1, $num_val, 'division of ref');
+ is($aref%100, $num_val%100, 'modulo of ref');
+ is($aref**1, $num_val, 'exponentiation of ref');
+}
+
+{
+ package CopyConstructorFallback;
+ use overload
+ '++' => sub { "$_[0]"; $_[0] },
+ fallback => 1;
+ sub new { bless {} => shift }
+
+ package main;
+
+ my $o = CopyConstructorFallback->new;
+ my $x = $o++; # would segfault
+ my $y = ++$o;
+ is($x, $o, "copy constructor falls back to assignment (postinc)");
+ is($y, $o, "copy constructor falls back to assignment (preinc)");
+}
+
+# EOF
projects / p5sagit/p5-mst-13.2.git / blobdiff