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# -*- mode: perl; -*-
use strict;
use warnings;
use Test::More tests => 173;
my $class;
BEGIN {
$class = 'Math::BigRat';
use_ok($class);
}
while (<DATA>) {
s/#.*$//; # remove comments
s/\s+$//; # remove trailing whitespace
next unless length; # skip empty lines
my ($xval, $yval, $zval) = split /:/;
my ($x, $y, $got, @got);
for my $context_is_scalar (0, 1) {
for my $y_is_scalar (0, 1) {
my $test = qq|\$x = $class -> new("$xval");|;
$test .= $y_is_scalar
? qq| \$y = "$yval";|
: qq| \$y = $class -> new("$yval");|;
$test .= $context_is_scalar
? qq| \$got = \$x -> badd(\$y);|
: qq| \@got = \$x -> badd(\$y);|;
my $desc = "badd() in ";
$desc .= $context_is_scalar ? "scalar context" : "list context";
$desc .= $y_is_scalar ? " with y as scalar" : " with y as object";
subtest $desc,
sub {
plan tests => $context_is_scalar ? 7 : 8;
eval $test;
is($@, "", "'$test' gives emtpy \$\@");
if ($context_is_scalar) {
# Check output.
is(ref($got), $class,
"'$test' output arg is a $class");
is($got -> bstr(), $zval,
"'$test' output arg has the right value");
} else {
# Check number of output arguments.
cmp_ok(scalar @got, '==', 1,
"'$test' gives one output arg");
# Check output.
is(ref($got[0]), $class,
"'$test' output arg is a $class");
is($got[0] -> bstr(), $zval,
"'$test' output arg has the right value");
}
# Check the invocand.
is(ref($x), $class,
"'$test' invocand is still a $class");
is($x -> bstr(), $zval,
"'$test' invocand has the right value");
# Check the input argument.
if ($y_is_scalar) {
is(ref($y), '',
"'$test' second input arg is still a scalar");
is($y, $yval,
"'$test' second input arg is unmodified");
} else {
is(ref($y), $class,
"'$test' second input arg is still a $class");
is($y -> bstr(), $yval,
"'$test' second input arg is unmodified");
}
};
}
}
}
__DATA__
# x and/or y is NaN
NaN:NaN:NaN
NaN:-inf:NaN
NaN:-3:NaN
NaN:0:NaN
NaN:3:NaN
NaN:inf:NaN
-inf:NaN:NaN
-3:NaN:NaN
0:NaN:NaN
3:NaN:NaN
inf:NaN:NaN
# x = inf
inf:-inf:NaN
inf:-3:inf
inf:-2:inf
inf:-1:inf
inf:0:inf
inf:1:inf
inf:2:inf
inf:3:inf
inf:inf:inf
# x = -inf
-inf:-inf:-inf
-inf:-3:-inf
-inf:-2:-inf
-inf:-1:-inf
-inf:0:-inf
-inf:1:-inf
-inf:2:-inf
-inf:3:-inf
-inf:inf:NaN
# y = inf
-3:inf:inf
-2:inf:inf
-1:inf:inf
0:inf:inf
1:inf:inf
2:inf:inf
3:inf:inf
# y = -inf
-3:-inf:-inf
-2:-inf:-inf
-1:-inf:-inf
0:-inf:-inf
1:-inf:-inf
2:-inf:-inf
3:-inf:-inf
|
