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use strict;
use warnings;
use Test::More;
BEGIN { plan tests => 9 };
BEGIN { $ENV{PERL_JSON_BACKEND} ||= "JSON::backportPP"; }
use JSON -support_by_pp;
eval q| require Math::BigInt |;
SKIP: {
skip "Can't load Math::BigInt.", 9 if ($@);
my $v = Math::BigInt->VERSION;
$v =~ s/_.+$// if $v;
my $fix = !$v ? '+'
: $v < 1.6 ? '+'
: '';
my $json = JSON->new;
$json->allow_nonref->allow_bignum(1);
$json->convert_blessed->allow_blessed;
my $num = $json->decode(q|100000000000000000000000000000000000000|);
ok($num->isa('Math::BigInt'));
is("$num", $fix . '100000000000000000000000000000000000000');
is($json->encode($num), $fix . '100000000000000000000000000000000000000');
SKIP: { skip "requires $JSON::BackendModule 2.91_03 or newer", 2 if $JSON::BackendModulePP and eval $JSON::BackendModulePP->VERSION < 2.91_03;
$num = $json->decode(q|10|);
ok(!(ref $num and $num->isa('Math::BigInt')), 'small integer is not a BigInt');
ok(!(ref $num and $num->isa('Math::BigFloat')), 'small integer is not a BigFloat');
}
$num = $json->decode(q|2.0000000000000000001|);
ok($num->isa('Math::BigFloat'));
is("$num", '2.0000000000000000001');
is($json->encode($num), '2.0000000000000000001');
SKIP: { skip "requires $JSON::BackendModule 2.90 or newer", 1 if $JSON::BackendModulePP and eval $JSON::BackendModulePP->VERSION < 2.90;
is($json->encode([Math::BigInt->new("0")]), "[${fix}0]", "zero bigint is 0 (the number), not '0' (the string)" );
}
}
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