package com.alibaba.json.bvt.parser;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import junit.framework.Assert;
import junit.framework.TestCase;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.TypeReference;
import com.alibaba.fastjson.util.TypeUtils;
public class TypeUtilsTest4 extends TestCase {
public void test_array() throws Exception {
Assert.assertEquals(0, TypeUtils.cast(new Entity[0], Object[].class, null).length);
}
public void test_ParameterizedType() throws Exception {
Assert.assertEquals(Integer.valueOf(123),
((ArrayList<Object>) TypeUtils.cast(Collections.singleton(123),
new TypeReference<ArrayList<Object>>() {
}.getType(), null)).get(0));
}
public void test_ParameterizedType2() throws Exception {
Assert.assertEquals("123",
((HashMap<Object, String>) TypeUtils.cast(Collections.singletonMap("name", 123),
new TypeReference<HashMap<Object, String>>() {
}.getType(), null)).get("name"));
}
public void test_ParameterizedType_error() throws Exception {
Exception error = null;
try {
TypeUtils.cast(Collections.singleton(123), new TypeReference<HashMap<Object, String>>() {
}.getType(), null);
} catch (Exception ex) {
error = ex;
}
Assert.assertNotNull(error);
}
public void test_error() throws Exception {
Exception error = null;
try {
TypeUtils.cast("xxx", Object[].class, null);
} catch (Exception ex) {
error = ex;
}
Assert.assertNotNull(error);
}
public void test_error_2() throws Exception {
Exception error = null;
try {
TypeUtils.cast(123, new TypeReference<Object[]>() {
}.getType(), null);
} catch (Exception ex) {
error = ex;
}
Assert.assertNotNull(error);
}
public void test_exception() throws Exception {
JSONObject object = (JSONObject) JSON.toJSON(new RuntimeException());
object.put("class", "xxx");
Assert.assertEquals(Exception.class, JSON.parseObject(object.toJSONString(), Exception.class).getClass());
}
public static class Entity {
}
}