}
@Test
public void testSetTest2()
throws Exception {
MultiMap mmap = new CaseInsensitiveHeaders();
HashMap<String, String> headers = new HashMap<String, String>();
headers.put("", "");
headers.put("aaa", "bbb");
MultiMap result = mmap.setAll(headers);
assertNotNull(result);
assertFalse(result.isEmpty());
assertEquals(2, result.size());
assertEquals(": \naaa: bbb\n", result.toString());
}