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|
#!/usr/bin/perl
use strict;
use warnings;
no warnings 'syntax';
use Regexp::Common;
use Test::More;
my $r = eval "require Test::Regexp; 1";
unless ($r) {
print "1..0 # SKIP Test::Regexp not found\n";
exit;
}
sub make_test {
my ($name, $base, @options) = @_;
my $pat = $base;
while (@options) {
my $opt = shift @options;
if (@options && $options [0] !~ /^-/) {
my $val = shift @options;
$pat = $$pat {$opt => $val};
$name .= ", $opt => $val";
}
else {
$pat = $$pat {$opt};
$name .= ", $opt";
}
}
my $keep = $$pat {-keep};
Test::Regexp:: -> new -> init (
pattern => $pat,
keep_pattern => $keep,
name => $name,
);
}
#
# Play with -base.
#
my @bases = (2, 5, 8, 16, 23, 36);
my %patterns;
my $PLAIN = 0;
my $SIGNED = 1;
foreach my $base (@bases) {
my $plain = make_test "Base $base integer pattern",
$RE {num} {int}, -base => $base;
my $signed = make_test "Base $base integer pattern",
$RE {num} {int}, -base => $base, -sign => '[-+]';
$patterns {$base} = [$plain, $signed];
}
my @chars = (0 .. 9, 'A' .. 'Z');
for (my $i = 0; $i < @chars; $i ++) {
my $char = $chars [$i];
foreach my $base (@bases) {
if ($i < $base) {
my $subj = $char;
$patterns {$base} [$PLAIN] -> match (
$subj, [$subj, "", $char],
test => "Single character in base"
);
$patterns {$base} [$SIGNED] -> no_match (
$subj, reason => "Not signed"
);
$subj = "-$char";
$patterns {$base} [$PLAIN] -> match (
$subj, [$subj, "-", $char],
test => "Signed (-) single character in base",
);
$patterns {$base} [$SIGNED] -> match (
$subj, [$subj, "-", $char],
test => "Signed (-) single character in base",
);
$subj = "+$char";
$patterns {$base} [$PLAIN] -> match (
$subj, [$subj, "+", $char],
test => "Signed (+) single character in base",
);
$patterns {$base} [$SIGNED] -> match (
$subj, [$subj, "+", $char],
test => "Signed (+) single character in base",
);
}
else {
for my $subj ($char, "-$char", "+$char") {
$patterns {$base} [$PLAIN] -> no_match (
$subj, reason => "Character '$char' out of base $base"
)
}
}
}
}
my $numbers = [
'00', '00000000000000000000', '0' x 100_000,
'11', '10101010101010101010', '11010100110100100111',
'12234', '4321', '1234' x 10_000,
'00000000000000000000000000000000000000000030000000000000',
'444444444444444444444444444444444444',
'1234567', '7654321', '12435147126123471234651263154211451235',
'412377132477712347716234512374712341541',
'2378AB21394CFF9932841EFFA9234', 'DEADBEEF', 'BABEFACE',
'87134F13241', 'FEDCBA9876543210' x 1_000,
'ASTORYWELLTOLD', 'BETTERL8THENNEVER', '4SALE',
'AS08142H5A87SDFYOUY4YR09TWRE7YGUASDFA99Q0ASHNR1KF98QERTOQ2C871C123R',
'AL0NGSTR1NGR3P34T3DM4NYT1M3S' x 3_000
];
my %numbers_by_base;
NUMBER: foreach my $number (@$numbers) {
my %buckets;
$buckets {$_} ++ for split // => $number;
for (my $i = @chars - 1; $i >= 0; $i --) {
if ($buckets {$chars [$i]}) {
push @{$numbers_by_base {$i + 1}} => $number;
next NUMBER;
}
}
}
my @base_numbers = sort {$a <=> $b} keys %numbers_by_base;
foreach my $base (@bases) {
my ($pattern, $signed_pattern) = @{$patterns {$base}};
foreach my $base_number (@base_numbers) {
foreach my $number (@{$numbers_by_base {$base_number}}) {
my $is_big = length ($number) > 100;
my $desc_number = $is_big ? "big number" : "number";
if ($base >= $base_number) {
my $subj = $number;
$pattern -> match ($subj, [$subj, "", $number],
test => "Unsigned $desc_number");
$signed_pattern -> no_match ($subj,
reason => "No sign for $desc_number");
$subj = "-$number";
$pattern -> match ($subj, [$subj, "-", $number],
test => "Signed (-) $desc_number");
$signed_pattern -> match ($subj, [$subj, "-", $number],
test => "Signed (-) $desc_number");
$subj = "+$number";
$pattern -> match ($subj, [$subj, "+", $number],
test => "Signed (+) $desc_number");
$signed_pattern -> match ($subj, [$subj, "+", $number],
test => "Signed (+) $desc_number");
}
else {
foreach my $subj ($number, "-$number", "+$number") {
$pattern -> no_match
($subj, reason => "Out of base characters");
$signed_pattern -> no_match
($subj, reason => "Out of base characters");
}
}
}
}
}
done_testing ();
__END__
|
