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13  * accompanied this code).
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24 /*
25  * This file is available under and governed by the GNU General Public
26  * License version 2 only, as published by the Free Software Foundation.
27  * However, the following notice accompanied the original version of this
28  * file:
29  *
30  * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
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35  * modification, are permitted provided that the following conditions are met:
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59  */
60 package tck.java.time.serial;
61 
62 import org.testng.annotations.DataProvider;
63 import org.testng.annotations.Test;
64 import tck.java.time.AbstractTCKTest;
65 
66 import java.io.*;
67 import java.lang.reflect.Field;
68 import java.time.DateTimeException;
69 import java.time.ZoneId;
70 import java.time.zone.ZoneRulesException;
71 
72 import static org.testng.Assert.assertEquals;
73 import static org.testng.Assert.fail;
74 
75 /**
76  * Test serialization of ZoneId.
77  */
78 @Test
79 public class TCKZoneIdSerialization extends AbstractTCKTest {
80 
81     //-----------------------------------------------------------------------
82     @Test
test_serialization()83     public void test_serialization() throws Exception {
84         assertSerializable(ZoneId.of("Europe/London"));
85         assertSerializable(ZoneId.of("America/Chicago"));
86     }
87 
88     @Test
test_serialization_format()89     public void test_serialization_format() throws Exception {
90         ByteArrayOutputStream baos = new ByteArrayOutputStream();
91         try (DataOutputStream dos = new DataOutputStream(baos) ) {
92             dos.writeByte(7);
93             dos.writeUTF("Europe/London");
94         }
95         byte[] bytes = baos.toByteArray();
96         assertSerializedBySer(ZoneId.of("Europe/London"), bytes);
97     }
98 
99     @Test
test_deserialization_lenient_characters()100     public void test_deserialization_lenient_characters() throws Exception {
101         // an ID can be loaded without validation during deserialization
102         String id = "QWERTYUIOPASDFGHJKLZXCVBNM~/._+-";
103         ZoneId deser = deserialize(id);
104         // getId, equals, hashCode, toString and normalized are OK
105         assertEquals(deser.getId(), id);
106         assertEquals(deser.toString(), id);
107         assertEquals(deser, deser);
108         assertEquals(deser.hashCode(), deser.hashCode());
109         assertEquals(deser.normalized(), deser);
110         // getting the rules is not
111         try {
112             deser.getRules();
113             fail();
114         } catch (ZoneRulesException ex) {
115             // expected
116         }
117     }
118 
119     @Test(expectedExceptions=DateTimeException.class)
test_deserialization_lenient_badCharacters()120     public void test_deserialization_lenient_badCharacters() throws Exception {
121         // an ID can be loaded without validation during deserialization
122         // but there is a check to ensure the ID format is valid
123         deserialize("|!?");
124     }
125 
126     @Test(dataProvider="offsetBasedValid")
test_deserialization_lenient_offsetNotAllowed_noPrefix(String input, String resolvedId)127     public void test_deserialization_lenient_offsetNotAllowed_noPrefix(String input, String resolvedId) throws Exception {
128         ZoneId deserialized = deserialize(input);
129         assertEquals(deserialized, ZoneId.of(input));
130         assertEquals(deserialized, ZoneId.of(resolvedId));
131     }
132 
133     @Test(dataProvider="offsetBasedValidPrefix")
test_deserialization_lenient_offsetNotAllowed_prefixUTC(String input, String resolvedId, String offsetId)134     public void test_deserialization_lenient_offsetNotAllowed_prefixUTC(String input, String resolvedId, String offsetId) throws Exception {
135         ZoneId deserialized = deserialize("UTC" + input);
136         assertEquals(deserialized, ZoneId.of("UTC" + input));
137         assertEquals(deserialized, ZoneId.of("UTC" + resolvedId));
138     }
139 
140     @Test(dataProvider="offsetBasedValidPrefix")
test_deserialization_lenient_offsetNotAllowed_prefixGMT(String input, String resolvedId, String offsetId)141     public void test_deserialization_lenient_offsetNotAllowed_prefixGMT(String input, String resolvedId, String offsetId) throws Exception {
142         ZoneId deserialized = deserialize("GMT" + input);
143         assertEquals(deserialized, ZoneId.of("GMT" + input));
144         assertEquals(deserialized, ZoneId.of("GMT" + resolvedId));
145     }
146 
147     @Test(dataProvider="offsetBasedValidPrefix")
test_deserialization_lenient_offsetNotAllowed_prefixUT(String input, String resolvedId, String offsetId)148     public void test_deserialization_lenient_offsetNotAllowed_prefixUT(String input, String resolvedId, String offsetId) throws Exception {
149         ZoneId deserialized = deserialize("UT" + input);
150         assertEquals(deserialized, ZoneId.of("UT" + input));
151         assertEquals(deserialized, ZoneId.of("UT" + resolvedId));
152     }
153 
deserialize(String id)154     private ZoneId deserialize(String id) throws Exception {
155         String serClass = ZoneId.class.getPackage().getName() + ".Ser";
156         Class<?> serCls = Class.forName(serClass);
157         Field field = serCls.getDeclaredField("serialVersionUID");
158         field.setAccessible(true);
159         long serVer = (Long) field.get(null);
160         ByteArrayOutputStream baos = new ByteArrayOutputStream();
161         try (DataOutputStream dos = new DataOutputStream(baos)) {
162             dos.writeShort(ObjectStreamConstants.STREAM_MAGIC);
163             dos.writeShort(ObjectStreamConstants.STREAM_VERSION);
164             dos.writeByte(ObjectStreamConstants.TC_OBJECT);
165             dos.writeByte(ObjectStreamConstants.TC_CLASSDESC);
166             dos.writeUTF(serClass);
167             dos.writeLong(serVer);
168             dos.writeByte(ObjectStreamConstants.SC_EXTERNALIZABLE | ObjectStreamConstants.SC_BLOCK_DATA);
169             dos.writeShort(0);  // number of fields
170             dos.writeByte(ObjectStreamConstants.TC_ENDBLOCKDATA);  // end of classdesc
171             dos.writeByte(ObjectStreamConstants.TC_NULL);  // no superclasses
172             dos.writeByte(ObjectStreamConstants.TC_BLOCKDATA);
173             dos.writeByte(1 + 2 + id.length());  // length of data (1 byte + 2 bytes UTF length + 32 bytes UTF)
174             dos.writeByte(7);  // ZoneId
175             dos.writeUTF(id);
176             dos.writeByte(ObjectStreamConstants.TC_ENDBLOCKDATA);  // end of blockdata
177         }
178         ZoneId deser = null;
179         try (ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()))) {
180             deser = (ZoneId) ois.readObject();
181         }
182         return deser;
183     }
184 
185     //-----------------------------------------------------------------------
186     // regular factory and .normalized()
187     //-----------------------------------------------------------------------
188     @DataProvider(name="offsetBasedValid")
data_offsetBasedValid()189     Object[][] data_offsetBasedValid() {
190         return new Object[][] {
191                 {"Z", "Z"},
192                 {"+0", "Z"},
193                 {"-0", "Z"},
194                 {"+00", "Z"},
195                 {"+0000", "Z"},
196                 {"+00:00", "Z"},
197                 {"+000000", "Z"},
198                 {"+00:00:00", "Z"},
199                 {"-00", "Z"},
200                 {"-0000", "Z"},
201                 {"-00:00", "Z"},
202                 {"-000000", "Z"},
203                 {"-00:00:00", "Z"},
204                 {"+5", "+05:00"},
205                 {"+01", "+01:00"},
206                 {"+0100", "+01:00"},
207                 {"+01:00", "+01:00"},
208                 {"+010000", "+01:00"},
209                 {"+01:00:00", "+01:00"},
210                 {"+12", "+12:00"},
211                 {"+1234", "+12:34"},
212                 {"+12:34", "+12:34"},
213                 {"+123456", "+12:34:56"},
214                 {"+12:34:56", "+12:34:56"},
215                 {"-02", "-02:00"},
216                 {"-5", "-05:00"},
217                 {"-0200", "-02:00"},
218                 {"-02:00", "-02:00"},
219                 {"-020000", "-02:00"},
220                 {"-02:00:00", "-02:00"},
221         };
222     }
223 
224     //-----------------------------------------------------------------------
225     @DataProvider(name="offsetBasedValidPrefix")
data_offsetBasedValidPrefix()226     Object[][] data_offsetBasedValidPrefix() {
227         return new Object[][] {
228                 {"", "", "Z"},
229                 {"+0", "", "Z"},
230                 {"-0", "", "Z"},
231                 {"+00", "", "Z"},
232                 {"+0000", "", "Z"},
233                 {"+00:00", "", "Z"},
234                 {"+000000", "", "Z"},
235                 {"+00:00:00", "", "Z"},
236                 {"-00", "", "Z"},
237                 {"-0000", "", "Z"},
238                 {"-00:00", "", "Z"},
239                 {"-000000", "", "Z"},
240                 {"-00:00:00", "", "Z"},
241                 {"+5", "+05:00", "+05:00"},
242                 {"+01", "+01:00", "+01:00"},
243                 {"+0100", "+01:00", "+01:00"},
244                 {"+01:00", "+01:00", "+01:00"},
245                 {"+010000", "+01:00", "+01:00"},
246                 {"+01:00:00", "+01:00", "+01:00"},
247                 {"+12", "+12:00", "+12:00"},
248                 {"+1234", "+12:34", "+12:34"},
249                 {"+12:34", "+12:34", "+12:34"},
250                 {"+123456", "+12:34:56", "+12:34:56"},
251                 {"+12:34:56", "+12:34:56", "+12:34:56"},
252                 {"-02", "-02:00", "-02:00"},
253                 {"-5", "-05:00", "-05:00"},
254                 {"-0200", "-02:00", "-02:00"},
255                 {"-02:00", "-02:00", "-02:00"},
256                 {"-020000", "-02:00", "-02:00"},
257                 {"-02:00:00", "-02:00", "-02:00"},
258         };
259     }
260 
261 
262 
263 }
264