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      1 /*
      2  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
      3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
      4  *
      5  * This code is free software; you can redistribute it and/or modify it
      6  * under the terms of the GNU General Public License version 2 only, as
      7  * published by the Free Software Foundation.  Oracle designates this
      8  * particular file as subject to the "Classpath" exception as provided
      9  * by Oracle in the LICENSE file that accompanied this code.
     10  *
     11  * This code is distributed in the hope that it will be useful, but WITHOUT
     12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
     14  * version 2 for more details (a copy is included in the LICENSE file that
     15  * accompanied this code).
     16  *
     17  * You should have received a copy of the GNU General Public License version
     18  * 2 along with this work; if not, write to the Free Software Foundation,
     19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
     20  *
     21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
     22  * or visit www.oracle.com if you need additional information or have any
     23  * questions.
     24  */
     25 
     26 /*
     27  * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
     28  *
     29  * All rights reserved.
     30  *
     31  * Redistribution and use in source and binary forms, with or without
     32  * modification, are permitted provided that the following conditions are met:
     33  *
     34  *  * Redistributions of source code must retain the above copyright notice,
     35  *    this list of conditions and the following disclaimer.
     36  *
     37  *  * Redistributions in binary form must reproduce the above copyright notice,
     38  *    this list of conditions and the following disclaimer in the documentation
     39  *    and/or other materials provided with the distribution.
     40  *
     41  *  * Neither the name of JSR-310 nor the names of its contributors
     42  *    may be used to endorse or promote products derived from this software
     43  *    without specific prior written permission.
     44  *
     45  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     46  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     47  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     48  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     49  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     50  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     51  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     52  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     53  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     54  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     55  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     56  */
     57 package tck.java.time.temporal.serial;
     58 
     59 import static org.testng.Assert.assertEquals;
     60 import static org.testng.Assert.fail;
     61 
     62 import java.io.ByteArrayInputStream;
     63 import java.io.ByteArrayOutputStream;
     64 import org.testng.annotations.DataProvider;
     65 import org.testng.annotations.Test;
     66 import tck.java.time.AbstractTCKTest;
     67 
     68 import java.io.IOException;
     69 import java.io.ObjectInputStream;
     70 import java.io.ObjectOutputStream;
     71 import java.time.DayOfWeek;
     72 import java.time.temporal.WeekFields;
     73 import java.util.Arrays;
     74 
     75 /**
     76  * Test serialization of WeekFields.
     77  */
     78 @Test
     79 public class TCKWeekFieldsSerialization extends AbstractTCKTest {
     80 
     81     //-----------------------------------------------------------------------
     82     @Test(dataProvider="weekFields")
     83     public void test_serializable_singleton(DayOfWeek firstDayOfWeek, int minDays) throws IOException, ClassNotFoundException {
     84         WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
     85         assertSerializableSame(weekDef);  // spec state singleton
     86     }
     87 
     88     //-----------------------------------------------------------------------
     89     @DataProvider(name="weekFields")
     90     Object[][] data_weekFields() {
     91         Object[][] objects = new Object[49][];
     92         int i = 0;
     93         for (DayOfWeek firstDayOfWeek : DayOfWeek.values()) {
     94             for (int minDays = 1; minDays <= 7; minDays++) {
     95                 objects[i++] = new Object[] {firstDayOfWeek, minDays};
     96             }
     97         }
     98         return objects;
     99     }
    100 
    101     @Test
    102     public void test_invalid_serialform() throws Exception {
    103         WeekFields wf = WeekFields.of(DayOfWeek.MONDAY, 7);
    104         ByteArrayOutputStream baos = new ByteArrayOutputStream(64);
    105         ObjectOutputStream out = new ObjectOutputStream(baos);
    106         out.writeObject(wf);
    107         byte[] template = baos.toByteArray();
    108 
    109         // (minimalDays = 5) {
    110         byte[] good1 = {0, 0, 0, 5};
    111         byte[] val = Arrays.copyOf(template, template.length);
    112         System.arraycopy(good1, 0, val, 105, good1.length);
    113         try (ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(val))) {
    114             Object o = in.readObject();
    115             assertEquals(o, WeekFields.of(DayOfWeek.MONDAY, 5), "Should be MONDAY, min = 5");
    116         } catch (Exception ioe) {
    117             fail("Unexpected exception " + ioe);
    118         }
    119 
    120         // (minimalDays < 1) {
    121         byte[] bad1 = {0, 0, 0, 0};
    122         val = Arrays.copyOf(template, template.length);
    123         System.arraycopy(bad1, 0, val, 105, bad1.length);
    124         try (ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(val))) {
    125             in.readObject();
    126             fail("Invalid minimalDays < 1 " + WeekFields.class.getName());
    127         } catch (Exception ioe) {
    128             // Expected exception
    129         }
    130 
    131         // (minimalDays > 7) {
    132         byte[] bad2 = {0, 0, 0, 8};
    133         val = Arrays.copyOf(template, template.length);
    134         System.arraycopy(bad2, 0, val, 105, bad2.length);
    135         try (ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(val))) {
    136             in.readObject();
    137             fail("Invalid minimalDays > 7 " + WeekFields.class.getName());
    138         } catch (Exception ioe) {
    139             // Expected exception
    140         }
    141 
    142         // (StartDay = null) {
    143         byte[] bad3 = {0x70};
    144         val = Arrays.copyOf(template, 110);
    145         System.arraycopy(bad3, 0, val, 105 + 4, bad3.length);
    146         try (ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(val))) {
    147             in.readObject();
    148             fail("Invalid startDay == null " + WeekFields.class.getName());
    149         } catch (Exception ioe) {
    150             // Expected exception
    151         }
    152 
    153     }
    154 
    155 }
    156