modules/cldc-compact/src/test/java/util/TestHashtable.java

   1 // -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
   2 // ---------------------------------------------------------------------------
   3 // SquirrelJME
   4 //     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   5 // ---------------------------------------------------------------------------
   6 // SquirrelJME is under the GNU General Public License v3+, or later.
   7 // See license.mkd for licensing and copyright information.
   8 // ---------------------------------------------------------------------------
   9
  10 package util;
  11
  12 import java.util.Hashtable;
  13 import java.util.Map;
  14
  15 /**
  16  * This is a test for {@link Hashtable}.
  17  *
  18  * @since 2019/05/05
  19  */
  20 public class TestHashtable
  21         extends TestHashMap
  22 {
  23         /**
  24          * Initializes the test using the base map.
  25          *
  26          * @since 2019/05/05
  27          */
  28         public TestHashtable()
  29         {
  30                 this(new Hashtable<Integer, String>());
  31         }
  32
  33         /**
  34          * Initializes the test using the given map.
  35          *
  36          * @param __m The map to use.
  37          * @throws NullPointerException On null arguments.
  38          * @since 2019/05/05
  39          */
  40         public TestHashtable(Map<Integer, String> __m)
  41                 throws NullPointerException
  42         {
  43                 super(__m);
  44         }
  45
  46         /**
  47          * {@inheritDoc}
  48          * @since 2019/05/05
  49          */
  50         @Override
  51         public void test()
  52         {
  53                 // Run basic HashMap test
  54                 super.test();
  55
  56                 // Initialize a map to work with
  57                 Map<Integer, String> map = this.map;
  58
  59                 // Null key should fail
  60                 boolean nullkey = false;
  61                 try
  62                 {
  63                         map.put(null, "Hiya!");
  64                 }
  65                 catch (NullPointerException e)
  66                 {
  67                         nullkey = true;
  68                 }
  69                 this.secondary("nullkey", nullkey);
  70
  71                 // Null value should fail
  72                 boolean nullval = false;
  73                 try
  74                 {
  75                         map.put(9876, null);
  76                 }
  77                 catch (NullPointerException e)
  78                 {
  79                         nullval = true;
  80                 }
  81                 this.secondary("nullval", nullval);
  82
  83                 // Cannot set values via the iterator either
  84                 Map.Entry<Integer, String> ent = map.entrySet().iterator().next();
  85                 boolean nullset = false;
  86                 try
  87                 {
  88                         ent.setValue(null);
  89                 }
  90                 catch (NullPointerException e)
  91                 {
  92                         nullset = true;
  93                 }
  94                 this.secondary("nullset", nullset);
  95         }
  96 }
  97