@Test
public void testToJSONObject() {

	SearchKeyword searchKeyword = new SearchKeyword(
		RandomTestUtil.randomString(), RandomTestUtil.randomInt(),
		RandomTestUtil.randomInt(), RandomTestUtil.randomInt());
	Assert.assertEquals(
		JSONUtil.put(
			"keyword", searchKeyword.getKeyword()
		).put(
			"position", searchKeyword.getPosition()
		).put(
			"searchVolume", searchKeyword.getSearchVolume()
		).put(
			"traffic", Math.toIntExact(searchKeyword.getTraffic())
		).toString(),
		String.valueOf(searchKeyword.toJSONObject()));
}