summaryrefslogtreecommitdiff
path: root/cpan/bignum/t/bigint.t
blob: de9526e07be197a6eef5c201dced3005361c0ebe (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
# -*- mode: perl; -*-

###############################################################################

use strict;
use warnings;

use Test::More tests => 15;

use bigint;

###############################################################################
# general tests

my $x = 5;
is(ref($x), 'Math::BigInt', '$x = 5 makes $x a Math::BigInt');

# todo:  is(2 + 2.5, 4.5);                              # should still work
# todo: $x = 2 + 3.5; is(ref($x), 'Math::BigFloat');

$x = 2 ** 255;
is(ref($x), 'Math::BigInt', '$x = 2 ** 255 makes $x a Math::BigInt');

is(12->bfac(), 479001600, '12->bfac() = 479001600');
is(9/4, 2, '9/4 = 2');

is(4.5 + 4.5, 8, '4.5 + 4.5 = 8');                         # truncate
is(ref(4.5 + 4.5), 'Math::BigInt', '4.5 + 4.5 makes a Math::BigInt');

###############################################################################
# accuracy and precision

is(bigint->accuracy(), undef, 'get accuracy');
bigint->accuracy(12);
is(bigint->accuracy(), 12, 'get accuracy again');
bigint->accuracy(undef);
is(bigint->accuracy(), undef, 'get accuracy again');

is(bigint->precision(), undef, 'get precision');
bigint->precision(12);
is(bigint->precision(), 12, 'get precision again');
bigint->precision(undef);
is(bigint->precision(), undef, 'get precision again');

is(bigint->round_mode(), 'even', 'get round mode');
bigint->round_mode('odd');
is(bigint->round_mode(), 'odd', 'get round mode again');
bigint->round_mode('even');
is(bigint->round_mode(), 'even', 'get round mode again');