#!perl
###############################################################################
use strict;
use warnings;
use Test::More tests => 51;
use bigint qw/hex oct/;
###############################################################################
# _constant tests
foreach (qw/
123:123
123.4:123
1.4:1
0.1:0
-0.1:0
-1.1:-1
-123.4:-123
-123:-123
123e2:123e2
123e-1:12
123e-4:0
123e-3:0
123.345e-1:12
123.456e+2:12345
1234.567e+3:1234567
1234.567e+4:1234567E1
1234.567e+6:1234567E3
/)
{
my ($x, $y) = split /:/;
is(bigint::_float_constant("$x"), "$y",
qq|bigint::_float_constant("$x") = $y|);
}
foreach (qw/
0100:64
0200:128
0x100:256
0b1001:9
/)
{
my ($x, $y) = split /:/;
is(bigint::_binary_constant("$x"), "$y",
qq|bigint::_binary_constant("$x") = "$y")|);
}
###############################################################################
# general tests
my $x = 5;
like(ref($x), qr/^Math::BigInt/, '$x = 5 makes $x a Math::BigInt'); # :constant
# todo: is(2 + 2.5, 4.5); # should still work
# todo: $x = 2 + 3.5; is(ref($x), 'Math::BigFloat');
$x = 2 ** 255;
like(ref($x), qr/^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 = 2'); # truncate
like(ref(4.5 + 4.5), qr/^Math::BigInt/, '4.5 + 4.5 makes a Math::BigInt');
###############################################################################
# accuracy and precision
is(bigint->accuracy(), undef, 'get accuracy');
is(bigint->accuracy(12), 12, 'set accuracy to 12');
is(bigint->accuracy(), 12, 'get accuracy again');
is(bigint->precision(), undef, 'get precision');
is(bigint->precision(12), 12, 'set precision to 12');
is(bigint->precision(), 12, 'get precision again');
is(bigint->round_mode(), 'even', 'get round mode');
is(bigint->round_mode('odd'), 'odd', 'set round mode');
is(bigint->round_mode(), 'odd', 'get round mode again');
###############################################################################
# hex() and oct()
my $class = 'Math::BigInt';
is(ref(hex(1)), $class, qq|ref(hex(1)) = $class|);
is(ref(hex(0x1)), $class, qq|ref(hex(0x1)) = $class|);
is(ref(hex("af")), $class, qq|ref(hex("af")) = $class|);
is(ref(hex("0x1")), $class, qq|ref(hex("0x1")) = $class|);
is(hex("af"), Math::BigInt->new(0xaf),
qq|hex("af") = Math::BigInt->new(0xaf)|);
is(ref(oct("0x1")), $class, qq|ref(oct("0x1")) = $class|);
is(ref(oct("01")), $class, qq|ref(oct("01")) = $class|);
is(ref(oct("0b01")), $class, qq|ref(oct("0b01")) = $class|);
is(ref(oct("1")), $class, qq|ref(oct("1")) = $class|);
is(ref(oct(" 1")), $class, qq|ref(oct(" 1")) = $class|);
is(ref(oct(" 0x1")), $class, qq|ref(oct(" 0x1")) = $class|);
is(ref(oct(0x1)), $class, qq|ref(oct(0x1)) = $class|);
is(ref(oct(01)), $class, qq|ref(oct(01)) = $class|);
is(ref(oct(0b01)), $class, qq|ref(oct(0b01)) = $class|);
is(ref(oct(1)), $class, qq|ref(oct(1)) = $class|);