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#!perl
#
# Verify that objectify() is able to convert a "foreign" object into what we
# want, when what we want is Math::BigInt or subclass thereof.
use strict;
use warnings;
package main;
use Test::More tests => 10;
use Math::BigInt;
###############################################################################
for my $class ('Math::BigInt', 'Math::BigInt::Subclass') {
# This object defines what we want.
my $int = $class -> new(10);
# Create various objects that should work with the object above after
# objectify() has done its thing.
my $int_percent1 = My::Percent::Int1 -> new(100);
is($int * $int_percent1, 10,
qq|\$class -> new(10);|
. q| $int_percent1 = My::Percent::Int1 -> new(100);|
. q| $int * $int_percent1|);
my $int_percent2 = My::Percent::Int2 -> new(100);
is($int * $int_percent2, 10,
qq|\$class -> new(10);|
. q| $int_percent2 = My::Percent::Int2 -> new(100);|
. q| $int * $int_percent2|);
my $int_percent3 = My::Percent::Int3 -> new(100);
is($int * $int_percent3, 10,
qq|\$class -> new(10);|
. q| $int_percent3 = My::Percent::Int3 -> new(100);|
. q| $int * $int_percent3|);
my $int_percent4 = My::Percent::Int4 -> new(100);
is($int * $int_percent4, 10,
qq|\$class -> new(10);|
. q| $int_percent4 = My::Percent::Int4 -> new(100);|
. q| $int * $int_percent4|);
my $int_percent5 = My::Percent::Int5 -> new(100);
is($int * $int_percent5, 10,
qq|\$class -> new(10);|
. q| $int_percent5 = My::Percent::Int5 -> new(100);|
. q| $int * $int_percent5|);
}
###############################################################################
# Class supports as_int(), which returns a Math::BigInt.
package My::Percent::Int1;
sub new {
my $class = shift;
my $num = shift;
return bless \$num, $class;
}
sub as_int {
my $self = shift;
return Math::BigInt -> new($$self / 100);
}
###############################################################################
# Class supports as_int(), which returns a scalar.
package My::Percent::Int2;
sub new {
my $class = shift;
my $num = shift;
return bless \$num, $class;
}
sub as_int {
my $self = shift;
return $$self / 100;
}
###############################################################################
# Class does not support as_int(), but supports as_number(), which returns a
# Math::BigInt.
package My::Percent::Int3;
sub new {
my $class = shift;
my $num = shift;
return bless \$num, $class;
}
sub as_number {
my $self = shift;
return Math::BigInt -> new($$self / 100);
}
###############################################################################
# Class does not support as_int(), but supports as_number(), which returns a
# scalar.
package My::Percent::Int4;
sub new {
my $class = shift;
my $num = shift;
return bless \$num, $class;
}
sub as_number {
my $self = shift;
return $$self / 100;
}
###############################################################################
# Class supports neither as_int() or as_number().
package My::Percent::Int5;
use overload '""' => sub { $_[0] -> as_string(); };
sub new {
my $class = shift;
my $num = shift;
return bless \$num, $class;
}
sub as_string {
my $self = shift;
return $$self / 100;
}
###############################################################################
package Math::BigInt::Subclass;
use base 'Math::BigInt';
|
