@Test
public void testToString() {

	CentralizedThreadLocal<?> centralizedThreadLocal =
		new CentralizedThreadLocal<>("test");
	Assert.assertEquals("test", centralizedThreadLocal.toString());
	centralizedThreadLocal = new CentralizedThreadLocal<>(null);
	Assert.assertEquals(
		CentralizedThreadLocal.class.getName() + "@" +
			Integer.toHexString(centralizedThreadLocal.hashCode()),
		centralizedThreadLocal.toString());
}