public void testOpenSelector() throws IOException {
Selector selector = SystemUtils.openSelector();
assertNotNull(selector);
assertTrue(selector.isOpen());
if (SystemUtils.isLinuxPlatform()) {
final String pollClassName = selector.provider().getClass()
.getCanonicalName();
assertTrue(pollClassName.equals("sun.nio.ch.EPollSelectorProvider")
|| pollClassName.equals("sun.nio.ch.PollSelectorProvider"));
}
Selector selector2 = SystemUtils.openSelector();