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|
#!perl
# test calling conventions, and :constant overloading
use strict;
use warnings;
use lib 't';
my $VERSION = '1.999715'; # adjust manually to match latest release
$VERSION = eval $VERSION;
use Test::More tests => 161;
##############################################################################
package Math::BigInt::Test;
use Math::BigInt;
our @ISA = qw/Math::BigInt/; # subclass of MBI
use overload;
##############################################################################
package Math::BigFloat::Test;
use Math::BigFloat;
our @ISA = qw/Math::BigFloat/; # subclass of MBI
use overload;
##############################################################################
package main;
use Math::BigInt try => 'Calc';
use Math::BigFloat;
my ($x, $y, $z, $u);
###############################################################################
# check whether op's accept normal strings, even when inherited by subclasses
# do one positive and one negative test to avoid false positives by "accident"
my ($method, $expected);
while (<DATA>) {
s/#.*$//; # remove comments
s/\s+$//; # remove trailing whitespace
next unless length; # skip empty lines
if (s/^&//) {
$method = $_;
next;
}
my @args = split /:/, $_, 99;
$expected = pop @args;
foreach my $class (qw/
Math::BigInt Math::BigFloat
Math::BigInt::Test Math::BigFloat::Test
/)
{
my $arg = $args[0] =~ /"/ || $args[0] eq "" ? $args[0]
: qq|"$args[0]"|;
my $try = "$class\->$method($arg);";
my $got = eval $try;
is($got, $expected, $try);
}
}
my $class = 'Math::BigInt';
my $try;
# test whether use Math::BigInt qw/VERSION/ works
$try = "use $class (" . ($VERSION . '1') .");";
$try .= ' $x = $class->new(123); $x = "$x";';
eval $try;
like($@, qr/ ^ Math::BigInt \s+ ( version \s+ )? \S+ \s+ required--this \s+
is \s+ only \s+ version \s+ \S+ /x,
$try);
# test whether fallback to calc works
$try = qq|use $class ($VERSION, "try", "foo, bar, ");|
. qq| $class\->config()->{lib};|;
$expected = eval $try;
like($expected, qr/^Math::BigInt::(Fast)?Calc\z/, $try);
# test whether constant works or not, also test for qw($VERSION)
# bgcd() is present in subclass, too
$try = qq|use $class ($VERSION, "bgcd", ":constant");|
. q| $x = 2**150; bgcd($x); $x = "$x";|;
$expected = eval $try;
is($expected, "1427247692705959881058285969449495136382746624", $try);
# test whether Math::BigInt::Scalar via use works (w/ dff. spellings of calc)
$try = qq|use $class ($VERSION, "lib", "Scalar");|
. q| $x = 2**10; $x = "$x";|;
$expected = eval $try;
is($expected, "1024", $try);
$try = qq|use $class ($VERSION, "lib", "$class\::Scalar");|
. q| $x = 2**10; $x = "$x";|;
$expected = eval $try;
is($expected, "1024", $try);
# all done
__END__
&is_zero
1:0
0:1
&is_one
1:1
0:0
&is_positive
1:1
-1:0
&is_negative
1:0
-1:1
&is_nan
abc:1
1:0
&is_inf
inf:1
0:0
&bstr
5:5
10:10
-10:-10
abc:NaN
"+inf":inf
"-inf":-inf
&bsstr
1:1e+0
0:0e+0
2:2e+0
200:2e+2
-5:-5e+0
-100:-1e+2
abc:NaN
"+inf":inf
&babs
-1:1
1:1
&bnot
-2:1
1:-2
&bzero
:0
&bnan
:NaN
abc:NaN
&bone
:1
"+":1
"-":-1
&binf
:inf
"+":inf
"-":-inf
|
