@Test
public void testFromJsonObject() {

	JsonObject jsonObject = Json.createObjectBuilder()
			.add(PoseStamped.FIELD_HEADER, p1.getHeader().toJsonObject())
			.add(PoseStamped.FIELD_POSE, p1.getPose().toJsonObject())
			.build();
	PoseStamped p = PoseStamped.fromJsonObject(jsonObject);
	assertEquals(p1.toString(), p.toString());
	assertEquals(p1.toJsonObject(), p.toJsonObject());
	assertEquals(p1.getMessageType(), p.getMessageType());
	assertEquals(p1.getHeader(), p.getHeader());
	assertEquals(p1.getPose(), p.getPose());
	assertNotSame(p1, p);
	assertNotSame(p1.toString(), p.toString());
	assertNotSame(p1.toJsonObject(), p.toJsonObject());
}