#!/usr/bin/perl -w
use strict;
use Test::More;
BEGIN
{
$| = 1;
chdir 't' if -d 't';
unshift @INC, '../lib'; # for running manually
plan tests => 55;
}
# test whether Math::BigInt->config() and Math::BigFloat->config() works
use Math::BigInt lib => 'Calc';
use Math::BigFloat;
my $mbi = 'Math::BigInt'; my $mbf = 'Math::BigFloat';
##############################################################################
# BigInt
ok ($mbi->can('config'));
my $cfg = $mbi->config();
ok (ref($cfg),'HASH');
is ($cfg->{lib},'Math::BigInt::Calc', 'lib');
is ($cfg->{lib_version}, $Math::BigInt::Calc::VERSION, 'lib_version');
is ($cfg->{class},$mbi,'class');
is ($cfg->{upgrade}||'','', 'upgrade');
is ($cfg->{div_scale},40, 'div_Scale');
is ($cfg->{precision}||0,0, 'precision'); # should test for undef
is ($cfg->{accuracy}||0,0,'accuracy');
is ($cfg->{round_mode},'even','round_mode');
is ($cfg->{trap_nan},0, 'trap_nan');
is ($cfg->{trap_inf},0, 'trap_inf');
is ($mbi->config('lib'), 'Math::BigInt::Calc', 'config("lib")');
# can set via hash ref?
$cfg = $mbi->config( { trap_nan => 1 } );
is ($cfg->{trap_nan},1, 'can set via hash ref');
# reset for later
$mbi->config( trap_nan => 0 );
##############################################################################
# BigFloat
ok ($mbf->can('config'));
$cfg = $mbf->config();
ok (ref($cfg),'HASH');
is ($cfg->{lib},'Math::BigInt::Calc', 'lib');
is ($cfg->{with},'Math::BigInt::Calc', 'with');
is ($cfg->{lib_version}, $Math::BigInt::Calc::VERSION, 'lib_version');
is ($cfg->{class},$mbf,'class');
is ($cfg->{upgrade}||'','', 'upgrade');
is ($cfg->{div_scale},40, 'div_Scale');
is ($cfg->{precision}||0,0, 'precision'); # should test for undef
is ($cfg->{accuracy}||0,0,'accuracy');
is ($cfg->{round_mode},'even','round_mode');
is ($cfg->{trap_nan},0, 'trap_nan');
is ($cfg->{trap_inf},0, 'trap_inf');
is ($mbf->config('lib'), 'Math::BigInt::Calc', 'config("lib")');
# can set via hash ref?
$cfg = $mbf->config( { trap_nan => 1 } );
is ($cfg->{trap_nan},1, 'can set via hash ref');
# reset for later
$mbf->config( trap_nan => 0 );
##############################################################################
# test setting values
my $test = {
trap_nan => 1,
trap_inf => 1,
accuracy => 2,
precision => 3,
round_mode => 'zero',
div_scale => '100',
upgrade => 'Math::BigInt::SomeClass',
downgrade => 'Math::BigInt::SomeClass',
};
my $c;
foreach my $key (keys %$test)
{
# see if setting in MBI works
eval ( "$mbi\->config( $key => '$test->{$key}' );" );
$c = $mbi->config(); ok ("$key = $c->{$key}", "$key = $test->{$key}");
$c = $mbf->config();
# see if setting it in MBI leaves MBF alone
if (($c->{$key}||0) ne $test->{$key})
{
is (1,1);
}
else
{
is ("$key eq $c->{$key}","$key ne $test->{$key}", "$key");
}
# see if setting in MBF works
eval ( "$mbf\->config( $key => '$test->{$key}' );" );
$c = $mbf->config(); ok ("$key = $c->{$key}", "$key = $test->{$key}");
}
##############################################################################
# test setting illegal keys (should croak)
$@ = ""; my $never_reached = 0;
eval ("$mbi\->config( 'some_garbage' => 1 ); $never_reached = 1;");
is ($never_reached,0);
$@ = ""; $never_reached = 0;
eval ("$mbf\->config( 'some_garbage' => 1 ); $never_reached = 1;");
is ($never_reached,0);
# this does not work. Why?
#ok ($@ eq "Illegal keys 'some_garbage' passed to Math::BigInt->config() at ./config.t line 104", 1);
# all tests done