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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,
);
}
#
# Some basic patterns: plain integers, signed integers, unsigned integers.
#
my $integer = make_test "Integer pattern" => $RE {num} {int};
my $signed_integer = make_test "Integer pattern" => $RE {num} {int},
-sign => '[-+]';
my $unsigned_integer = make_test "Integer pattern" => $RE {num} {int},
-sign => '';
foreach my $digit (0 .. 9) {
$integer -> match ( $digit, [ $digit, "", $digit],
test => "Single digit");
$integer -> match ("-$digit", ["-$digit", "-", $digit],
test => "Single digit, with minus sign");
$integer -> match ("+$digit", ["+$digit", "+", $digit],
test => "Single digit, with plus sign");
$signed_integer -> no_match ($digit, reason => "No sign");
$signed_integer -> match ("-$digit", ["-$digit", "-", $digit],
test => "Single digit, with minus sign");
$signed_integer -> match ("+$digit", ["+$digit", "+", $digit],
test => "Single digit, with plus sign");
$unsigned_integer -> match ( $digit, [ $digit, "", $digit],
test => "Single digit");
$unsigned_integer -> no_match ("-$digit", reason => "Number has - sign");
$unsigned_integer -> no_match ("+$digit", reason => "Number has + sign");
}
foreach my $letter ('A' .. 'Z') {
my $reason = "Cannot match letters";
$integer -> no_match ( $letter, reason => $reason);
$integer -> no_match ("-$letter", reason => $reason);
$integer -> no_match ("+$letter", reason => $reason);
$signed_integer -> no_match ( $letter, reason => $reason);
$signed_integer -> no_match ("-$letter", reason => $reason);
$signed_integer -> no_match ("+$letter", reason => $reason);
$unsigned_integer -> no_match ( $letter, reason => $reason);
$unsigned_integer -> no_match ("-$letter", reason => $reason);
$unsigned_integer -> no_match ("+$letter", reason => $reason);
}
my @numbers = qw [
123456789 987654321 00 00000
918710985710984523480938457287510917634178356017501984571273461782346
2109381270129857102931405984051817410923193913810985
123981098509850493582357010910371947524594785923602871749187249504395
000000000000000000000000000000000000000000000000000000000000000000000001
12890991823457 09857109247120 0000000090000000000000009000000000000000
];
my @big_numbers = (
'123456789' x 100,
'0' x 10_000,
);
my @failures = (
[" 12345" => "Leading space"],
["123 " => "Trailing space"],
["-+1234" => "Double sign"],
["--54311" => "Double sign"],
["- 897" => "Space after sign"],
["" => "Empty string"],
["-" => "Sign only"],
["1234 678" => "Space in number"],
["1234+678" => "Sign in number"],
["678A90" => "Letter in number"],
["0x1234" => "Hex number"],
["0b1234" => "Octal number"],
["Bla bla" => "Garbage"],
);
foreach my $number (@numbers) {
$integer -> match ( $number , [ $number , "", $number],
test => "Unsigned number");
$integer -> match ("-$number", ["-$number", "-", $number],
test => "Number with minus sign");
$integer -> match ("+$number", ["+$number", "+", $number],
test => "Number with plus sign");
$signed_integer -> no_match ($number, reason => "Number is unsigned");
$signed_integer -> match ("-$number", ["-$number", "-", $number],
test => "Number with minus sign");
$signed_integer -> match ("+$number", ["+$number", "+", $number],
test => "Number with plus sign");
$unsigned_integer -> match ( $number , [ $number , "", $number],
test => "Unsigned number");
$unsigned_integer -> no_match ("-$number", reason => "Number has - sign");
$unsigned_integer -> no_match ("+$number", reason => "Number has + sign");
}
foreach my $number (@big_numbers) {
$integer -> match ( $number , [ $number , "", $number],
test => "Unsigned big number");
$integer -> match ("-$number", ["-$number", "-", $number],
test => "Big number with minus sign");
$integer -> match ("+$number", ["+$number", "+", $number],
test => "Big number with plus sign");
$signed_integer -> no_match ($number, reason => "Number is unsigned");
$signed_integer -> match ("-$number", ["-$number", "-", $number],
test => "Big number with minus sign");
$signed_integer -> match ("+$number", ["+$number", "+", $number],
test => "Big number with plus sign");
$unsigned_integer -> match ( $number , [ $number , "", $number],
test => "Unsigned big number");
$unsigned_integer -> no_match ("-$number", reason => "Number has - sign");
$unsigned_integer -> no_match ("+$number", reason => "Number has + sign");
}
foreach my $failure (@failures) {
my ($subject, $reason) = @$failure;
$integer -> no_match ($subject, reason => $reason);
$signed_integer -> no_match ($subject, reason => $reason);
}
done_testing ();
__END__
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