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|
#!/usr/bin/env perl
use strict;
use warnings;
use Test::More;
use smartmatch 'rjbs';
{
package SmartOverload;
use overload '~~' => sub {
no warnings 'uninitialized';
return $_[1] eq ${ $_[0] };
}, fallback => 1;
}
{
package RegexOverload;
use overload 'qr' => sub {
return $_[0]->[0];
}, fallback => 1;
}
{
package StringOverload;
use overload '""' => sub {
return $_[0]->{val};
}, fallback => 1;
}
sub smart { my $val = shift; bless \$val, SmartOverload:: }
sub regex { my $val = shift; bless [qr/$val/], RegexOverload:: }
sub string { my $val = shift; bless { val => $val }, StringOverload:: }
my @tests = (
# undef
[ 1, undef, undef ],
[ 0, '', undef ],
[ 0, 0, undef ],
[ 0, '0', undef ],
[ 0, '0.0', undef ],
[ 0, '0 but true', undef ],
[ 0, 1, undef ],
[ 0, 'x', undef ],
[ 0, [], undef ],
[ 0, {}, undef ],
[ 0, sub {}, undef ],
[ 0, smart(''), undef ],
[ 0, regex(''), undef ],
[ 0, string(''), undef ],
# smart match overload
[ 1, "smart", smart('smart') ],
[ 1, string('smart'), smart('smart') ],
[ 0, "SMART", smart('smart') ],
[ 0, string('SMART'), smart('smart') ],
[ 0, smart('smart'), smart('smart') ],
[ 0, undef, smart('smart') ],
[ 0, 1, smart('smart') ],
# regex
[ 0, undef, qr/a/ ],
[ 1, undef, qr/a?/ ],
[ 1, "foo", qr/f/ ],
[ 0, "foo", qr/g/ ],
[ 1, 1, qr/1/ ],
[ 0, ['z'], qr/z/ ],
[ 1, ['z'], qr/^ARRAY/ ],
[ 0, {'y' => 'y'}, qr/y/ ],
[ 1, {'y' => 'y'}, qr/^HASH/ ],
[ 1, string('foo'), qr/^foo$/ ],
[ 0, regex('foo'), qr/foo/ ],
[ 1, regex('foo'), qr/^Regex/ ],
[ 1, qr/foo/, qr/\(\?\^\:foo\)/ ],
# regex overload
[ 0, undef, regex('a') ],
[ 1, undef, regex('a?') ],
[ 1, "foo", regex('f') ],
[ 0, "foo", regex('g') ],
[ 1, 1, regex('1') ],
[ 0, ['z'], regex('z') ],
[ 1, ['z'], regex('^ARRAY') ],
[ 0, {'y' => 'y'}, regex('y') ],
[ 1, {'y' => 'y'}, regex('^HASH') ],
[ 1, string('foo'), regex('^foo$') ],
[ 0, regex('foo'), regex('foo') ],
[ 1, regex('foo'), regex('^Regex') ],
[ 1, qr/foo/, regex('\(\?\^\:foo\)') ],
# code
[ 1, undef, sub { 1 } ],
[ 1, '', sub { 1 } ],
[ 1, 0, sub { 1 } ],
[ 1, '0', sub { 1 } ],
[ 1, '0.0', sub { 1 } ],
[ 1, '0 but true', sub { 1 } ],
[ 1, 1, sub { 1 } ],
[ 1, 'x', sub { 1 } ],
[ 1, [], sub { 1 } ],
[ 1, {}, sub { 1 } ],
[ 1, sub {}, sub { 1 } ],
[ 1, smart(''), sub { 1 } ],
[ 1, regex(''), sub { 1 } ],
[ 1, string(''), sub { 1 } ],
[ 0, undef, sub { 0 } ],
[ 0, '', sub { 0 } ],
[ 0, 0, sub { 0 } ],
[ 0, '0', sub { 0 } ],
[ 0, '0.0', sub { 0 } ],
[ 0, '0 but true', sub { 0 } ],
[ 0, 1, sub { 0 } ],
[ 0, 'x', sub { 0 } ],
[ 0, [], sub { 0 } ],
[ 0, {}, sub { 0 } ],
[ 0, sub {}, sub { 0 } ],
[ 0, smart(''), sub { 0 } ],
[ 0, regex(''), sub { 0 } ],
[ 0, string(''), sub { 0 } ],
[ 1, ['a', 'b'], sub { ref $_[0] eq 'ARRAY' } ],
[ 1, ['a', 'b'], sub { $_[0]->[0] eq 'a' } ],
[ 1, string('x'), sub { $_[0] eq 'x' } ],
[ 1, smart('x'), sub { 'x' ~~ $_[0] } ],
[ 0, smart('x'), sub { 'y' ~~ $_[0] } ],
# any
[ 'die', undef, '' ],
[ 'die', undef, 0 ],
[ 'die', undef, '0' ],
[ 'die', undef, '0.0' ],
[ 'die', undef, '0 but true' ],
[ 'die', undef, 1 ],
[ 'die', undef, 'x' ],
[ 'die', undef, [] ],
[ 'die', undef, {} ],
[ 0, undef, sub {} ],
[ 1, undef, smart('') ],
[ 1, undef, regex('') ],
[ 'die', undef, string('') ],
);
for my $test (@tests) {
# shut up warnings about undef =~ regex
$SIG{__WARN__} = sub { } unless defined $test->[1];
if ($test->[0] eq 'die') {
ok(!eval { $test->[1] ~~ $test->[2]; 1 });
like($@, qr/invalid smart match/);
}
elsif ($test->[0]) {
ok($test->[1] ~~ $test->[2]);
}
else {
ok(!($test->[1] ~~ $test->[2]));
}
delete $SIG{__WARN__};
}
done_testing;
|
