bind_variant
EXPECT_EQ(-EINVAL, bind_variant(unix_stream_fd, &self->srv0));
EXPECT_EQ(-EINVAL, bind_variant(unix_stream_fd, &self->srv1))
EXPECT_EQ(-EINVAL, bind_variant(unix_dgram_fd, &self->srv0));
EXPECT_EQ(-EINVAL, bind_variant(unix_dgram_fd, &self->srv1));
EXPECT_EQ(0, bind_variant(bind_fd, &self->srv0));
EXPECT_EQ(-EACCES, bind_variant(bind_fd, &self->srv1));
ret = bind_variant(bind_fd, &self->srv0);
ret = bind_variant(bind_fd, &self->srv0);
ret = bind_variant(bind_fd, &self->srv0);
ret = bind_variant(bind_fd, &self->srv0);
EXPECT_EQ(-EACCES, bind_variant(sock_fd, &self->srv0));
ret = bind_variant(bind_fd, srv);
ret = bind_variant(bind_fd, &self->unspec_any0);
ret = bind_variant(bind_fd, &self->unspec_any0);
ret = bind_variant(bind_fd, &self->unspec_srv0);
EXPECT_EQ(0, bind_variant(bind_fd, &self->srv0));