# This file is encoded in UTF-2.
die "This file is not encoded in UTF-2.\n" if q{あ} ne "\xe3\x81\x82";

use strict;
use Char::UTF2;
print "1..4\n";

my $__FILE__ = __FILE__;

if ('あ' =~ ?(.)?b) {
    if (length($1) == 1) {
        print qq{ok - 1 'あ'=~?(.)?b; length(\$1)==1 $^X $__FILE__\n};
    }
    else {
        print qq{not ok - 1 'あ'=~?(.)?b; length(\$1)==1 $^X $__FILE__\n};
    }
}
else {
    print qq{not ok - 1 'あ'=~?(.)?b; length(\$1)==1 $^X $__FILE__\n};
}

if (@_ = 'あ' =~ ?(.)?bg) {
    if (scalar(@_) == length('あ')) {
        if (grep( ! /^1$/, map { length($_) } @_)) {
            print qq{not ok - 2 \@_='あ'=~?(.)?bg; grep(!/^1\$/,map{length(\$_)} \@_) $^X $__FILE__\n};
        }
        else {
            print qq{ok - 2 \@_='あ'=~?(.)?bg; grep(!/^1\$/,map{length(\$_)} \@_) $^X $__FILE__\n};
        }
    }
    else {
        print qq{not ok - 2 \@_='あ'=~?(.)?bg; grep(!/^1\$/,map{length(\$_)} \@_) $^X $__FILE__\n};
    }
}
else {
    print qq{not ok - 2 \@_='あ'=~?(.)?bg; grep(!/^1\$/,map{length(\$_)} \@_) $^X $__FILE__\n};
}

if ('あ' =~ m?(.)?b) {
    if (length($1) == 1) {
        print qq{ok - 3 'あ'=~m?(.)?b; length(\$1)==1 $^X $__FILE__\n};
    }
    else {
        print qq{not ok - 3 'あ'=~m?(.)?b; length(\$1)==1 $^X $__FILE__\n};
    }
}
else {
    print qq{not ok - 3 'あ'=~m?(.)?b; length(\$1)==1 $^X $__FILE__\n};
}

if (@_ = 'あ' =~ m?(.)?bg) {
    if (scalar(@_) == length('あ')) {
        if (grep( ! /^1$/, map { length($_) } @_)) {
            print qq{not ok - 4 \@_='あ'=~m?(.)?bg; grep(!/^1\$/,map{length(\$_)} \@_) $^X $__FILE__\n};
        }
        else {
            print qq{ok - 4 \@_='あ'=~m?(.)?bg; grep(!/^1\$/,map{length(\$_)} \@_) $^X $__FILE__\n};
        }
    }
    else {
        print qq{not ok - 4 \@_='あ'=~m?(.)?bg; grep(!/^1\$/,map{length(\$_)} \@_) $^X $__FILE__\n};
    }
}
else {
    print qq{not ok - 4 \@_='あ'=~m?(.)?bg; grep(!/^1\$/,map{length(\$_)} \@_) $^X $__FILE__\n};
}

__END__