WechatTicketSystem/src/test/java/love/sola/netsupport/util/GsonTest.java

package love.sola.netsupport.util;

import com.google.gson.*;
import love.sola.netsupport.enums.ISP;
import org.junit.Test;

import java.util.Date;

/**
 * @author Sola {@literal <dev@sola.love>}
 */
public class GsonTest {

	@Test
	public void testJsonDate() {
		Gson gson = new GsonBuilder()
				.registerTypeAdapter(Date.class, (JsonDeserializer<Date>) (json, typeOfT, context) -> new Date(json.getAsJsonPrimitive().getAsLong()))
				.registerTypeAdapter(Date.class, (JsonSerializer<Date>) (src, typeOfSrc, context) -> new JsonPrimitive(src.getTime()))
				.registerTypeAdapter(ISP.class, (JsonDeserializer<ISP>) (json, typeOfT, context) -> ISP.fromId(json.getAsJsonPrimitive().getAsInt()))
				.registerTypeAdapter(ISP.class, (JsonSerializer<ISP>) (src, typeOfSrc, context) -> new JsonPrimitive(src.id))
				.create();
		Date date = new Date();
		assert gson.fromJson(gson.toJson(date), Date.class).compareTo(date) == 0;
		assert gson.fromJson(gson.toJson(ISP.TELECOM), ISP.class) == ISP.TELECOM;
		assert gson.toJson(ISP.TELECOM).equals("1");
	}

}