public CaseInsensitiveMap() {
		this(DEFAULT_INITIAL_CAPACITY);
	}
@Test
	public void caseInsensitiveMapTest() {
		CaseInsensitiveMap<String, String> map = new CaseInsensitiveMap<>();
		map.put("aAA", "OK");
		assertEquals("OK", map.get("aaa"));
		assertEquals("OK", map.get("AAA"));
	}