src.tck.java.time.serial.TCKZoneIdSerialization Maven / Gradle / Ivy
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* Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
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package tck.java.time.serial;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import tck.java.time.AbstractTCKTest;
import java.io.*;
import java.lang.reflect.Field;
import java.time.DateTimeException;
import java.time.ZoneId;
import java.time.zone.ZoneRulesException;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.fail;
/**
* Test serialization of ZoneId.
*/
@Test
public class TCKZoneIdSerialization extends AbstractTCKTest {
//-----------------------------------------------------------------------
@Test
public void test_serialization() throws Exception {
assertSerializable(ZoneId.of("Europe/London"));
assertSerializable(ZoneId.of("America/Chicago"));
}
@Test
public void test_serialization_format() throws Exception {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (DataOutputStream dos = new DataOutputStream(baos) ) {
dos.writeByte(7);
dos.writeUTF("Europe/London");
}
byte[] bytes = baos.toByteArray();
assertSerializedBySer(ZoneId.of("Europe/London"), bytes);
}
@Test
public void test_deserialization_lenient_characters() throws Exception {
// an ID can be loaded without validation during deserialization
String id = "QWERTYUIOPASDFGHJKLZXCVBNM~/._+-";
ZoneId deser = deserialize(id);
// getId, equals, hashCode, toString and normalized are OK
assertEquals(deser.getId(), id);
assertEquals(deser.toString(), id);
assertEquals(deser, deser);
assertEquals(deser.hashCode(), deser.hashCode());
assertEquals(deser.normalized(), deser);
// getting the rules is not
try {
deser.getRules();
fail();
} catch (ZoneRulesException ex) {
// expected
}
}
@Test(expectedExceptions=DateTimeException.class)
public void test_deserialization_lenient_badCharacters() throws Exception {
// an ID can be loaded without validation during deserialization
// but there is a check to ensure the ID format is valid
deserialize("|!?");
}
@Test(dataProvider="offsetBasedValid")
public void test_deserialization_lenient_offsetNotAllowed_noPrefix(String input, String resolvedId) throws Exception {
ZoneId deserialized = deserialize(input);
assertEquals(deserialized, ZoneId.of(input));
assertEquals(deserialized, ZoneId.of(resolvedId));
}
@Test(dataProvider="offsetBasedValidPrefix")
public void test_deserialization_lenient_offsetNotAllowed_prefixUTC(String input, String resolvedId, String offsetId) throws Exception {
ZoneId deserialized = deserialize("UTC" + input);
assertEquals(deserialized, ZoneId.of("UTC" + input));
assertEquals(deserialized, ZoneId.of("UTC" + resolvedId));
}
@Test(dataProvider="offsetBasedValidPrefix")
public void test_deserialization_lenient_offsetNotAllowed_prefixGMT(String input, String resolvedId, String offsetId) throws Exception {
ZoneId deserialized = deserialize("GMT" + input);
assertEquals(deserialized, ZoneId.of("GMT" + input));
assertEquals(deserialized, ZoneId.of("GMT" + resolvedId));
}
@Test(dataProvider="offsetBasedValidPrefix")
public void test_deserialization_lenient_offsetNotAllowed_prefixUT(String input, String resolvedId, String offsetId) throws Exception {
ZoneId deserialized = deserialize("UT" + input);
assertEquals(deserialized, ZoneId.of("UT" + input));
assertEquals(deserialized, ZoneId.of("UT" + resolvedId));
}
private ZoneId deserialize(String id) throws Exception {
String serClass = ZoneId.class.getPackage().getName() + ".Ser";
Class serCls = Class.forName(serClass);
Field field = serCls.getDeclaredField("serialVersionUID");
field.setAccessible(true);
long serVer = (Long) field.get(null);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (DataOutputStream dos = new DataOutputStream(baos)) {
dos.writeShort(ObjectStreamConstants.STREAM_MAGIC);
dos.writeShort(ObjectStreamConstants.STREAM_VERSION);
dos.writeByte(ObjectStreamConstants.TC_OBJECT);
dos.writeByte(ObjectStreamConstants.TC_CLASSDESC);
dos.writeUTF(serClass);
dos.writeLong(serVer);
dos.writeByte(ObjectStreamConstants.SC_EXTERNALIZABLE | ObjectStreamConstants.SC_BLOCK_DATA);
dos.writeShort(0); // number of fields
dos.writeByte(ObjectStreamConstants.TC_ENDBLOCKDATA); // end of classdesc
dos.writeByte(ObjectStreamConstants.TC_NULL); // no superclasses
dos.writeByte(ObjectStreamConstants.TC_BLOCKDATA);
dos.writeByte(1 + 2 + id.length()); // length of data (1 byte + 2 bytes UTF length + 32 bytes UTF)
dos.writeByte(7); // ZoneId
dos.writeUTF(id);
dos.writeByte(ObjectStreamConstants.TC_ENDBLOCKDATA); // end of blockdata
}
ZoneId deser = null;
try (ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()))) {
deser = (ZoneId) ois.readObject();
}
return deser;
}
//-----------------------------------------------------------------------
// regular factory and .normalized()
//-----------------------------------------------------------------------
@DataProvider(name="offsetBasedValid")
Object[][] data_offsetBasedValid() {
return new Object[][] {
{"Z", "Z"},
{"+0", "Z"},
{"-0", "Z"},
{"+00", "Z"},
{"+0000", "Z"},
{"+00:00", "Z"},
{"+000000", "Z"},
{"+00:00:00", "Z"},
{"-00", "Z"},
{"-0000", "Z"},
{"-00:00", "Z"},
{"-000000", "Z"},
{"-00:00:00", "Z"},
{"+5", "+05:00"},
{"+01", "+01:00"},
{"+0100", "+01:00"},
{"+01:00", "+01:00"},
{"+010000", "+01:00"},
{"+01:00:00", "+01:00"},
{"+12", "+12:00"},
{"+1234", "+12:34"},
{"+12:34", "+12:34"},
{"+123456", "+12:34:56"},
{"+12:34:56", "+12:34:56"},
{"-02", "-02:00"},
{"-5", "-05:00"},
{"-0200", "-02:00"},
{"-02:00", "-02:00"},
{"-020000", "-02:00"},
{"-02:00:00", "-02:00"},
};
}
//-----------------------------------------------------------------------
@DataProvider(name="offsetBasedValidPrefix")
Object[][] data_offsetBasedValidPrefix() {
return new Object[][] {
{"", "", "Z"},
{"+0", "", "Z"},
{"-0", "", "Z"},
{"+00", "", "Z"},
{"+0000", "", "Z"},
{"+00:00", "", "Z"},
{"+000000", "", "Z"},
{"+00:00:00", "", "Z"},
{"-00", "", "Z"},
{"-0000", "", "Z"},
{"-00:00", "", "Z"},
{"-000000", "", "Z"},
{"-00:00:00", "", "Z"},
{"+5", "+05:00", "+05:00"},
{"+01", "+01:00", "+01:00"},
{"+0100", "+01:00", "+01:00"},
{"+01:00", "+01:00", "+01:00"},
{"+010000", "+01:00", "+01:00"},
{"+01:00:00", "+01:00", "+01:00"},
{"+12", "+12:00", "+12:00"},
{"+1234", "+12:34", "+12:34"},
{"+12:34", "+12:34", "+12:34"},
{"+123456", "+12:34:56", "+12:34:56"},
{"+12:34:56", "+12:34:56", "+12:34:56"},
{"-02", "-02:00", "-02:00"},
{"-5", "-05:00", "-05:00"},
{"-0200", "-02:00", "-02:00"},
{"-02:00", "-02:00", "-02:00"},
{"-020000", "-02:00", "-02:00"},
{"-02:00:00", "-02:00", "-02:00"},
};
}
}
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