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#!/usr/bin/perl
use strict;
use warnings;
use Test::More;
plan skip_all => "This only applies to Perls before 5.10" if $] >= 5.010;
use Method::Signatures;
{
eval
q{
func neg_and_odd_and_prime ($x where [0..10]) {
return 1;
}
};
like $@, qr{\Q'where' constraint only available under Perl 5.10 or later.\E},
"Perls <5.10 properly error out on where constraints";
}
{
eval
q{
package Stuff;
use Method::Signatures;
method add($this //= 23, $that //= 42) {
return $this + $that;
}
};
like $@, qr{\Q'//=' defaults only available under Perl 5.10 or later.\E},
"Perls <5.10 properly error out on //= declaration";
}
{
eval
q{
package Stuff;
use Method::Signatures;
method add($this = 23 when '', $that = 42 when '') {
no warnings 'uninitialized';
return $this + $that;
}
};
like $@, qr{\Q'when' modifier on default only available under Perl 5.10 or later.\E},
"Perls <5.10 properly error out on 'when' conditions";
}
done_testing;
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