package com.jsoniter;
import com.jsoniter.spi.TypeLiteral;
import junit.framework.TestCase;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
public class TestExisting extends TestCase {
static {
// JsonIterator.setMode(DecodingMode.REFLECTION_MODE);
}
public static class TestObj1 {
public String field1;
public String field2;
}
public void test_direct_reuse() throws IOException {
TestObj1 testObj = new TestObj1();
testObj.field2 = "world";
JsonIterator iter = JsonIterator.parse("{ 'field1' : 'hello' }".replace('\'', '"'));
TestObj1 oldObj = testObj;
testObj = iter.read(testObj);
assertEquals("hello", testObj.field1);
assertEquals(System.identityHashCode(oldObj), System.identityHashCode(testObj));
}
public static class TestObj2 {
public String field3;
public TestObj1 field4;
}
public void test_indirect_reuse() throws IOException {
TestObj2 testObj = new TestObj2();
testObj.field4 = new TestObj1();
testObj.field4.field1 = "world";
JsonIterator iter = JsonIterator.parse("{ 'field3' : 'hello', 'field4': {'field2': 'hello'} }".replace('\'', '"'));
TestObj2 oldObj = testObj;
testObj = iter.read(testObj);
assertEquals("hello", testObj.field3);
assertEquals("hello", testObj.field4.field2);
assertEquals(System.identityHashCode(oldObj), System.identityHashCode(testObj));
}
public void test_reuse_list() throws IOException {
List list1 = new ArrayList();
JsonIterator iter = JsonIterator.parse("[1]");
List list2= iter.read(new TypeLiteral<List<Integer>>(){}, list1);
assertEquals(System.identityHashCode(list2), System.identityHashCode(list1));
}
public void test_reuse_linked_list() throws IOException {
LinkedList list1 = new LinkedList();
JsonIterator iter = JsonIterator.parse("[1]");
List list2= iter.read(new TypeLiteral<LinkedList<Integer>>(){}, list1);
assertEquals(System.identityHashCode(list2), System.identityHashCode(list1));
}
public void test_reuse_map() throws IOException {
JsonIterator iter = JsonIterator.parse("{ 'field1' : 'hello' }".replace('\'', '"'));
HashMap<String, Object> map1 = new HashMap<String, Object>();
map1.put("a", "b");
HashMap<String, Object> map2 = iter.read(map1);
assertEquals("b", map2.get("a"));
}
}