use Test::More tests => 3;
BEGIN {
require re::engine::Oniguruma;
re::engine::Oniguruma->import;
ok(exists $^H{regcomp}, '$^H{regcomp} exists');
cmp_ok($^H{regcomp}, '!=', 0);
re::engine::Oniguruma->unimport;
ok(!exists $^H{regcomp}, '$^H{regcomp} deleted');
}