gson/src/test/java/com/google/gson/internal/LazilyParsedNumberTest.java


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/*
 * Copyright (C) 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.gson.internal;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.math.BigDecimal;
import org.junit.Test;

public class LazilyParsedNumberTest {
  @Test
  public void testHashCode() {
    LazilyParsedNumber n1 = new LazilyParsedNumber("1");
    LazilyParsedNumber n1Another = new LazilyParsedNumber("1");
    assertEquals(n1.hashCode(), n1Another.hashCode());
  }

  @Test
  public void testEquals() {
    LazilyParsedNumber n1 = new LazilyParsedNumber("1");
    LazilyParsedNumber n1Another = new LazilyParsedNumber("1");
    assertTrue(n1.equals(n1Another));
  }

  @Test
  public void testJavaSerialization() throws IOException, ClassNotFoundException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    ObjectOutputStream objOut = new ObjectOutputStream(out);
    objOut.writeObject(new LazilyParsedNumber("123"));
    objOut.close();

    ObjectInputStream objIn = new ObjectInputStream(new ByteArrayInputStream(out.toByteArray()));
    Number deserialized = (Number) objIn.readObject();
    assertEquals(new BigDecimal("123"), deserialized);
  }
}