blob: 611d9fad27a4e961ba443867c0078a56f5060fa6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
#!/usr/bin/perl -w
use strict;
use Test::More tests => 6;
###############################################################################
package Math::BigFloat::Test;
use Math::BigFloat;
require Exporter;
use vars qw/@ISA/;
@ISA = qw/Exporter Math::BigFloat/;
use overload;
sub isa
{
my ($self,$class) = @_;
return if $class =~ /^Math::Big(Int|Float)/; # we aren't one of these
UNIVERSAL::isa($self,$class);
}
sub bmul
{
return __PACKAGE__->new(123);
}
sub badd
{
return __PACKAGE__->new(321);
}
###############################################################################
package main;
# use Math::BigInt upgrade => 'Math::BigFloat';
use Math::BigFloat upgrade => 'Math::BigFloat::Test';
use vars qw ($scale $class $try $x $y $z $f @args $ans $ans1 $ans1_str $setup
$ECL $CL);
$class = "Math::BigFloat";
$CL = "Math::BigInt::Calc";
$ECL = "Math::BigFloat::Test";
is (Math::BigFloat->upgrade(),$ECL);
is (Math::BigFloat->downgrade()||'','');
$x = $class->new(123); $y = $ECL->new(123); $z = $x->bmul($y);
is (ref($z),$ECL); is ($z,123);
$x = $class->new(123); $y = $ECL->new(123); $z = $x->badd($y);
is (ref($z),$ECL); is ($z,321);
# not yet:
# require 'upgrade.inc'; # all tests here for sharing
|
