gson-comments/gson/src/test/java/com/google/gson/functional/JavaUtilConcurrentAtomicTes...

118 lines
3.9 KiB
Java

/*
* 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.functional;
import static com.google.common.truth.Truth.assertThat;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.LongSerializationPolicy;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicIntegerArray;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicLongArray;
import org.junit.Before;
import org.junit.Test;
/**
* Functional test for Json serialization and deserialization for classes in java.util.concurrent.atomic
*/
public class JavaUtilConcurrentAtomicTest {
private Gson gson;
@Before
public void setUp() throws Exception {
gson = new Gson();
}
@Test
public void testAtomicBoolean() {
AtomicBoolean target = gson.fromJson("true", AtomicBoolean.class);
assertThat(target.get()).isTrue();
String json = gson.toJson(target);
assertThat(json).isEqualTo("true");
}
@Test
public void testAtomicInteger() {
AtomicInteger target = gson.fromJson("10", AtomicInteger.class);
assertThat(target.get()).isEqualTo(10);
String json = gson.toJson(target);
assertThat(json).isEqualTo("10");
}
@Test
public void testAtomicLong() {
AtomicLong target = gson.fromJson("10", AtomicLong.class);
assertThat(target.get()).isEqualTo(10);
String json = gson.toJson(target);
assertThat(json).isEqualTo("10");
}
@Test
public void testAtomicLongWithStringSerializationPolicy() {
Gson gson = new GsonBuilder()
.setLongSerializationPolicy(LongSerializationPolicy.STRING)
.create();
AtomicLongHolder target = gson.fromJson("{\"value\":\"10\"}", AtomicLongHolder.class);
assertThat(target.value.get()).isEqualTo(10);
String json = gson.toJson(target);
assertThat(json).isEqualTo("{\"value\":\"10\"}");
}
@Test
public void testAtomicIntegerArray() {
AtomicIntegerArray target = gson.fromJson("[10, 13, 14]", AtomicIntegerArray.class);
assertThat(target.length()).isEqualTo(3);
assertThat(target.get(0)).isEqualTo(10);
assertThat(target.get(1)).isEqualTo(13);
assertThat(target.get(2)).isEqualTo(14);
String json = gson.toJson(target);
assertThat(json).isEqualTo("[10,13,14]");
}
@Test
public void testAtomicLongArray() {
AtomicLongArray target = gson.fromJson("[10, 13, 14]", AtomicLongArray.class);
assertThat(target.length()).isEqualTo(3);
assertThat(target.get(0)).isEqualTo(10);
assertThat(target.get(1)).isEqualTo(13);
assertThat(target.get(2)).isEqualTo(14);
String json = gson.toJson(target);
assertThat(json).isEqualTo("[10,13,14]");
}
@Test
public void testAtomicLongArrayWithStringSerializationPolicy() {
Gson gson = new GsonBuilder()
.setLongSerializationPolicy(LongSerializationPolicy.STRING)
.create();
AtomicLongArray target = gson.fromJson("[\"10\", \"13\", \"14\"]", AtomicLongArray.class);
assertThat(target.length()).isEqualTo(3);
assertThat(target.get(0)).isEqualTo(10);
assertThat(target.get(1)).isEqualTo(13);
assertThat(target.get(2)).isEqualTo(14);
String json = gson.toJson(target);
assertThat(json).isEqualTo("[\"10\",\"13\",\"14\"]");
}
private static class AtomicLongHolder {
AtomicLong value;
}
}