#!perl
BEGIN {
unless ($ENV{AUTHOR_TESTING}) {
require Test::More;
Test::More::plan(skip_all =>
'these tests are for testing by the author');
}
}
use strict;
use warnings;
use Test::More tests => 5385;
###############################################################################
# Read and load configuration file and backend library.
use Config::Tiny ();
my $config_file = 't/author-lib.ini';
my $config = Config::Tiny -> read('t/author-lib.ini')
or die Config::Tiny -> errstr();
# Read the library to test.
our $LIB = $config->{_}->{lib};
die "No library defined in file '$config_file'"
unless defined $LIB;
die "Invalid library name '$LIB' in file '$config_file'"
unless $LIB =~ /^[A-Za-z]\w*(::\w+)*\z/;
# Load the library.
eval "require $LIB";
die $@ if $@;
###############################################################################
use lib 't';
use Math::BigInt::Lib::TestUtil qw< randstr >;
can_ok($LIB, '_acmp');
# Generate test data.
my @data;
# Small integers.
for my $a (0 .. 10) {
for my $b (0 .. 10) {
push @data, [ $a, $b, $a <=> $b ];
}
}
# Integers close to a power of ten.
for my $n (2 .. 26) {
my $x = "9" x $n; # e.g., "9999"
my $y = "1" . ("0" x $n); # e.g., "10000"
my $z = "1" . ("0" x ($n - 1)) . "1"; # e.g., "10001"
push @data, [ $x, $x, 0 ];
push @data, [ $x, $y, -1 ];
push @data, [ $x, $z, -1 ];
push @data, [ $y, $x, 1 ];
push @data, [ $y, $y, 0 ];
push @data, [ $y, $z, -1 ];
push @data, [ $z, $x, 1 ];
push @data, [ $z, $y, 1 ];
push @data, [ $z, $z, 0 ];
}
# Random large integers.
for (1 .. 1000) {
my $na = 2 + int rand 35; # number of digits in $a
my $nb = 2 + int rand 35; # number of digits in $a
my $a = randstr($na, 10); # generate $a
my $b = randstr($na, 10); # generate $b
my $cmp = length($a) <=> length($b) || $a cmp $b;
push @data, [ $a, $b, $cmp ];
}
# List context.
for (my $i = 0 ; $i <= $#data ; ++ $i) {
my ($in0, $in1, $out0) = @{ $data[$i] };
my ($x, $y, @got);
my $test = qq|\$x = $LIB->_new("$in0"); |
. qq|\$y = $LIB->_new("$in1"); |
. qq|\@got = $LIB->_acmp(\$x, \$y);|;
diag("\n$test\n\n") if $ENV{AUTHOR_DEBUGGING};
eval $test;
is($@, "", "'$test' gives emtpy \$\@");
subtest "_new() in list context: $test", sub {
plan tests => 3,
cmp_ok(scalar @got, "==", 1,
"'$test' one output arg");
is(ref($got[0]), "",
"'$test' output arg is a Perl scalar");
is($got[0], $out0,
"'$test' output arg has the right value");
};
}
# Scalar context.
for (my $i = 0 ; $i <= $#data ; ++ $i) {
my ($in0, $in1, $out0) = @{ $data[$i] };
my ($x, $y, $got);
my $test = qq|\$x = $LIB->_new("$in0"); |
. qq|\$y = $LIB->_new("$in1"); |
. qq|\$got = $LIB->_acmp(\$x, \$y);|;
diag("\n$test\n\n") if $ENV{AUTHOR_DEBUGGING};
eval $test;
is($@, "", "'$test' gives emtpy \$\@");
subtest "_new() in scalar context: $test", sub {
plan tests => 2,
is(ref($got), "",
"'$test' output arg is a Perl scalar");
is($got, $out0,
"'$test' output arg has the right value");
};
}