@Test
public void create() {

  assertEquals("a/b", ContentType.create("a/b").toContentTypeString());
  assertEquals(ContentType.create("a/b;c=d;x=y"), ContentType.create("a/b;x=y;c=d"));
  assertEquals(ContentType.create("a/b;c=d;x=y"), ContentType.create("a/b; x=y; c=d"));
  assertEquals(ContentType.create("A/B"), ContentType.create("a/b"));
}