@Test
void testContainsSimple() {

    HttpField field = new HttpField("name", "SomeValue");
    assertTrue(field.contains("somevalue"));
    assertTrue(field.contains("sOmEvAlUe"));
    assertTrue(field.contains("SomeValue"));
    assertFalse(field.contains("other"));
    assertFalse(field.contains("some"));
    assertFalse(field.contains("Some"));
    assertFalse(field.contains("value"));
    assertFalse(field.contains("v"));
    assertFalse(field.contains(""));
    assertFalse(field.contains(null));
    field = new HttpField(HttpHeader.CONNECTION, "Upgrade, HTTP2-Settings");
    assertTrue(field.contains("Upgrade"));
    assertTrue(field.contains("HTTP2-Settings"));
}