@Test
public void remove() {

	JsonArray jsonArray = new JsonArray();
	jsonArray.add("hoge");
	jsonArray.add(1);
	assertThat(jsonArray.getType(0), is(Type.STRING));
	jsonArray.remove("hoge");
	assertThat(jsonArray.getType(0), not(Type.STRING));
	assertThat(jsonArray.getType(0), is(Type.LONG));
}