com.helger.commons.collection.impl.CommonsHashSet Java Examples

@Test
public void testAll ()
{
  final ICommonsSet <Class <?>> aClasses = new CommonsHashSet <> ();
  final ICommonsSet <String> aFilenames = new CommonsHashSet <> ();
  for (final EUBL23DocumentType e : EUBL23DocumentType.values ())
  {
    assertNotNull (e.getImplementationClass ());
    assertTrue (StringHelper.hasText (e.getLocalName ()));
    assertTrue (StringHelper.hasText (e.getNamespaceURI ()));
    assertTrue (e.getAllXSDResources ().size () >= 1);
    for (final IReadableResource aRes : e.getAllXSDResources ())
      assertTrue (e.name (), aRes.exists ());
    assertNotNull (e.getSchema ());
    assertSame (e.getSchema (), e.getSchema ());
    assertSame (e, EUBL23DocumentType.valueOf (e.name ()));
    assertTrue (aClasses.add (e.getImplementationClass ()));
    assertTrue (aFilenames.add (e.getAllXSDResources ().getFirst ().getPath ()));
  }
}
 

@Test
public void testIterable ()
{
  final Iterable <String> aCont = new MockIterable ("a", "b", "c");
  assertTrue (EqualsHelper.equalsCollection (aCont, aCont));
  assertTrue (EqualsHelper.equalsCollection (aCont, new MockIterable ("a", "b", "c")));
  assertTrue (EqualsHelper.equalsCollection (new MockIterable (), new MockIterable ()));

  assertFalse (EqualsHelper.equalsCollection (aCont, new MockIterable ()));
  assertFalse (EqualsHelper.equalsCollection (new MockIterable (), aCont));
  assertFalse (EqualsHelper.equalsCollection (aCont, new MockIterable ("a", "b")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new MockIterable ("A", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new MockIterable ("a", "B", "c")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new MockIterable ("a", "b", "C")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new MockIterable ("a", "b", "c", "d")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsHashSet <> ("a", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aCont, ArrayHelper.newArray ("a", "b", "c")));
}
 

@Test
public void testArray ()
{
  final String [] aArray = ArrayHelper.newArray ("a", "b", "c");
  assertTrue (EqualsHelper.equalsCollection (aArray, aArray));
  assertTrue (EqualsHelper.equalsCollection (aArray, ArrayHelper.newArray ("a", "b", "c")));
  assertTrue (EqualsHelper.equalsCollection (new String [0], new String [] {}));

  assertFalse (EqualsHelper.equalsCollection (aArray, new String [0]));
  assertFalse (EqualsHelper.equalsCollection (new String [0], aArray));
  assertFalse (EqualsHelper.equalsCollection (aArray, ArrayHelper.newArray ("a", "b")));
  assertFalse (EqualsHelper.equalsCollection (aArray, ArrayHelper.newArray ("A", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aArray, ArrayHelper.newArray ("a", "B", "c")));
  assertFalse (EqualsHelper.equalsCollection (aArray, ArrayHelper.newArray ("a", "b", "C")));
  assertFalse (EqualsHelper.equalsCollection (aArray, ArrayHelper.newArray ("a", "b", "c", "d")));
  assertFalse (EqualsHelper.equalsCollection (aArray, new CommonsArrayList <> ("a", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aArray, new CommonsHashSet <> ("a", "b", "c")));
}
 

@Test
public void testMap ()
{
  final StringMap aMap = new StringMap ("a", "b").add ("c", "d");
  assertTrue (EqualsHelper.equalsCollection (aMap, aMap));
  assertTrue (EqualsHelper.equalsCollection (aMap, CollectionHelper.makeUnmodifiable (aMap)));
  assertTrue (EqualsHelper.equalsCollection (aMap, Collections.synchronizedMap (aMap)));
  assertTrue (EqualsHelper.equalsCollection (aMap, new StringMap ("a", "b").add ("c", "d")));
  assertTrue (EqualsHelper.equalsCollection (new CommonsHashMap <Integer, Integer> (), new CommonsHashMap <Double, Float> ()));

  assertFalse (EqualsHelper.equalsCollection (aMap, new CommonsHashMap <Integer, Integer> ()));
  assertFalse (EqualsHelper.equalsCollection (new CommonsHashMap <Integer, Integer> (), aMap));
  assertFalse (EqualsHelper.equalsCollection (aMap, new StringMap ("a", "b")));
  assertFalse (EqualsHelper.equalsCollection (aMap, new StringMap ("A", "b").add ("c", "d")));
  assertFalse (EqualsHelper.equalsCollection (aMap, new StringMap ("a", "B").add ("c", "d")));
  assertFalse (EqualsHelper.equalsCollection (aMap, new StringMap ("a", "b").add ("C", "d")));
  assertFalse (EqualsHelper.equalsCollection (aMap, new StringMap ("a", "b").add ("c", "D")));
  assertFalse (EqualsHelper.equalsCollection (aMap, new StringMap ("a", "b").add ("c", "d").add ("e", "f")));
  assertFalse (EqualsHelper.equalsCollection (aMap, new CommonsArrayList <> ("a", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aMap, new CommonsHashSet <> ("a", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aMap, ArrayHelper.newArray ("a", "b", "c")));
}
 

@Test
public void testSet ()
{
  final ICommonsSet <String> aCont = new CommonsHashSet <> ("a", "b", "c");
  assertTrue (EqualsHelper.equalsCollection (aCont, aCont));
  assertTrue (EqualsHelper.equalsCollection (aCont, CollectionHelper.makeUnmodifiable (aCont)));
  assertTrue (EqualsHelper.equalsCollection (aCont, Collections.synchronizedSet (aCont)));
  assertTrue (EqualsHelper.equalsCollection (aCont, new CommonsHashSet <> (aCont)));
  assertTrue (EqualsHelper.equalsCollection (aCont, new CommonsLinkedHashSet <> (aCont)));
  assertTrue (EqualsHelper.equalsCollection (aCont, new CommonsTreeSet <> (aCont)));
  assertTrue (EqualsHelper.equalsCollection (new CommonsHashSet <String> (), new CommonsLinkedHashSet <String> ()));
  assertTrue (EqualsHelper.equalsCollection (new CommonsTreeSet <String> (), new CommonsHashSet <String> ()));

  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsHashSet <String> ()));
  assertFalse (EqualsHelper.equalsCollection (new CommonsHashSet <String> (), aCont));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsTreeSet <String> ()));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsHashSet <> ("a", "b")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsHashSet <> ("A", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsHashSet <> ("a", "B", "c")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsHashSet <> ("a", "b", "C")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsHashSet <> ("a", "b", "c", "d")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsArrayList <> ("a", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aCont, ArrayHelper.newArray ("a", "b", "c")));
}
 

@Test
public void testList ()
{
  final ICommonsList <String> aCont = new CommonsArrayList <> ("a", "b", "c");
  assertTrue (EqualsHelper.equalsCollection (aCont, aCont));
  assertTrue (EqualsHelper.equalsCollection (aCont, CollectionHelper.makeUnmodifiable (aCont)));
  assertTrue (EqualsHelper.equalsCollection (aCont, Collections.synchronizedList (aCont)));
  assertTrue (EqualsHelper.equalsCollection (aCont, new CommonsArrayList <> (aCont)));
  assertTrue (EqualsHelper.equalsCollection (aCont, new CommonsLinkedList <> (aCont)));
  assertTrue (EqualsHelper.equalsCollection (aCont, new CommonsVector <> (aCont)));
  assertTrue (EqualsHelper.equalsCollection (aCont, new NonBlockingStack <> (aCont)));
  assertTrue (EqualsHelper.equalsCollection (new CommonsArrayList <String> (), new CommonsLinkedList <String> ()));
  assertTrue (EqualsHelper.equalsCollection (new NonBlockingStack <String> (), new CommonsVector <String> ()));
  assertTrue (EqualsHelper.equalsCollection (new NonBlockingStack <String> (), new Stack <String> ()));

  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsLinkedList <String> ()));
  assertFalse (EqualsHelper.equalsCollection (new CommonsLinkedList <String> (), aCont));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsArrayList <String> ()));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsArrayList <> ("a", "b")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsArrayList <> ("A", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsArrayList <> ("a", "B", "c")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsArrayList <> ("a", "b", "C")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsArrayList <> ("a", "b", "c", "d")));
  assertFalse (EqualsHelper.equalsCollection (aCont, new CommonsHashSet <> ("a", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aCont, ArrayHelper.newArray ("a", "b", "c")));
}
 

@Ignore ("Simply wrong assumption")
@Test
public void testRedundancy ()
{
  final ICommonsList <String> aInputList = new CommonsArrayList <> ("a", "b", "c", "d", "e", "f", "g", "h");

  // Build all permutations of the input list, using all available slots
  final ICommonsSet <ICommonsList <String>> aSimplePermutations = new CommonsHashSet <> ();
  CombinationGenerator.addAllPermutations (aInputList, aInputList.size (), aSimplePermutations);

  // Flexible combination generator
  final ICommonsSet <ICommonsList <String>> aFlexiblePermutations = CombinationGeneratorFlexible.getCombinations (aInputList,
                                                                                                                  true);
  assertTrue (aFlexiblePermutations.size () >= aSimplePermutations.size ());

  // Now the assumptions: I assume that all permutations from the flexible
  // generator are also contained in all permutations
  for (final ICommonsList <String> aList : aFlexiblePermutations)
    assertTrue (aList.toString (), aSimplePermutations.contains (aList));
}
 

@Nonnull
private MapBasedNamespaceContext _addMapping (@Nonnull final String sPrefix,
                                              @Nonnull final String sNamespaceURI,
                                              final boolean bAllowOverwrite)
{
  ValueEnforcer.notNull (sPrefix, "Prefix");
  ValueEnforcer.notNull (sNamespaceURI, "NamespaceURI");
  if (!bAllowOverwrite && m_aPrefix2NS.containsKey (sPrefix))
    throw new IllegalArgumentException ("The prefix '" +
                                        sPrefix +
                                        "' is already registered to '" +
                                        m_aPrefix2NS.get (sPrefix) +
                                        "'!");

  if (sPrefix.equals (XMLConstants.DEFAULT_NS_PREFIX))
    m_sDefaultNamespaceURI = sNamespaceURI;
  m_aPrefix2NS.put (sPrefix, sNamespaceURI);
  m_aNS2Prefix.computeIfAbsent (sNamespaceURI, x -> new CommonsHashSet <> ()).add (sPrefix);
  return this;
}
 

@Test
public void testCtor ()
{
  NonBlockingStack <String> st = new NonBlockingStack <> ();
  assertTrue (st.isEmpty ());
  assertFalse (st.iterator ().hasNext ());
  st = new NonBlockingStack <> ("s", "t");
  assertEquals (2, st.size ());
  assertEquals ("s", st.firstElement ());
  assertTrue (st.iterator ().hasNext ());
  st = new NonBlockingStack <> ((String []) null);
  assertTrue (st.isEmpty ());
  assertFalse (st.iterator ().hasNext ());
  st = new NonBlockingStack <> (new CommonsArrayList <> ("s", "t"));
  assertEquals (2, st.size ());
  assertEquals ("s", st.firstElement ());
  assertTrue (st.iterator ().hasNext ());
  st = new NonBlockingStack <> (new CommonsHashSet <String> ());
  assertTrue (st.isEmpty ());
  assertFalse (st.iterator ().hasNext ());
  st = new NonBlockingStack <> (new NonBlockingStack <> ("s", "t"));
  assertEquals (2, st.size ());
  assertEquals ("s", st.firstElement ());
  assertTrue (st.iterator ().hasNext ());
}
 

@Test
public void testGetDifference ()
{
  final ICommonsList <String> l1 = newList ("Hello", "Welt", "from", "Vienna");
  final ICommonsList <String> l2 = newList ("Welt", "from");

  // Result should be "Hello" and "Vienna"
  final Set <String> ret = getDifference (l1, l2);
  assertNotNull (ret);
  assertEquals (2, ret.size ());
  assertTrue (ret.contains ("Hello"));
  assertFalse (ret.contains ("Welt"));
  assertFalse (ret.contains ("from"));
  assertTrue (ret.contains ("Vienna"));

  assertEquals (4, getDifference (l1, new CommonsVector <String> ()).size ());
  assertEquals (4, getDifference (l1, null).size ());
  assertEquals (0, getDifference (new CommonsHashSet <String> (), l2).size ());
  assertEquals (0, getDifference (null, l2).size ());
}
 

@Test
public void testStringCombination2 ()
{
  final ICommonsList <String> aElements = new CommonsArrayList <> (A, B, B, C);
  final CombinationGenerator <String> x = new CombinationGenerator <> (aElements, 0);
  assertEquals (BigInteger.ONE, x.getTotalCombinations ());
  assertEquals (BigInteger.ONE, x.getCombinationsLeft ());

  final ICommonsList <ICommonsList <String>> aResultsWithDuplicates = new CommonsArrayList <> ();
  final ICommonsSet <ICommonsList <String>> aResultsWithoutDuplicates = new CommonsHashSet <> ();
  while (x.hasNext ())
  {
    final ICommonsList <String> aResult = x.next ();
    aResultsWithDuplicates.add (aResult);
    aResultsWithoutDuplicates.add (aResult);
  }
  assertEquals (1, aResultsWithDuplicates.size ());
  assertEquals (1, aResultsWithoutDuplicates.size ());
}
 

private void _testPutRandom (final float fillFactor)
{
  final Random aRandom = new Random ();
  final int SIZE = 100 * 1000;
  final Set <Integer> set = new CommonsHashSet <> (SIZE);
  final int [] vals = new int [SIZE];
  while (set.size () < SIZE)
    set.add (Integer.valueOf (aRandom.nextInt ()));
  int i = 0;
  for (final Integer v : set)
    vals[i++] = v.intValue ();

  final IntDoubleMap map = _makeMap (100, fillFactor);
  for (i = 0; i < vals.length; ++i)
  {
    assertEquals ("Inserting " + vals[i], IntDoubleMap.NO_VALUE, map.put (vals[i], vals[i]), DELTA);
    assertEquals (i + 1, map.size ());
    assertEquals (vals[i], map.get (vals[i]), DELTA);
  }
  // now check the final state
  for (i = 0; i < vals.length; ++i)
    assertEquals (vals[i], map.get (vals[i]), DELTA);
}
 

private void _testPutRandom (final float fillFactor)
{
  final Random aRandom = new Random ();
  final int SIZE = 100 * 1000;
  final Set <Integer> set = new CommonsHashSet <> (SIZE);
  final int [] vals = new int [SIZE];
  while (set.size () < SIZE)
    set.add (Integer.valueOf (aRandom.nextInt ()));
  int i = 0;
  for (final Integer v : set)
    vals[i++] = v.intValue ();

  final IntFloatMap map = _makeMap (100, fillFactor);
  for (i = 0; i < vals.length; ++i)
  {
    assertEquals ("Inserting " + vals[i], IntFloatMap.NO_VALUE, map.put (vals[i], vals[i]), DELTA);
    assertEquals (i + 1, map.size ());
    assertEquals (vals[i], map.get (vals[i]), DELTA);
  }
  // now check the final state
  for (i = 0; i < vals.length; ++i)
    assertEquals (vals[i], map.get (vals[i]), DELTA);
}
 

private void _testPutRandom (final float fillFactor)
{
  final Random aRandom = new Random ();
  final int SIZE = 100 * 1000;
  final ICommonsSet <Integer> set = new CommonsHashSet <> (SIZE);
  final int [] vals = new int [SIZE];
  while (set.size () < SIZE)
    set.add (Integer.valueOf (aRandom.nextInt ()));
  int i = 0;
  for (final Integer v : set)
    vals[i++] = v.intValue ();

  final IntObjectMap <String> map = _makeMap (100, fillFactor);
  for (i = 0; i < vals.length; ++i)
  {
    assertNull ("Inserting " + vals[i], map.put (vals[i], _make (vals[i])));
    assertEquals (i + 1, map.size ());
    assertEquals (_make (vals[i]), map.get (vals[i]));
  }
  // now check the final state
  for (i = 0; i < vals.length; ++i)
    assertEquals (_make (vals[i]), map.get (vals[i]));
}
 

private void _testPutRandom (final float fillFactor)
{
  final Random aRandom = new Random ();
  final int SIZE = 100 * 1000;
  final ICommonsSet <Integer> set = new CommonsHashSet <> (SIZE);
  final int [] vals = new int [SIZE];
  while (set.size () < SIZE)
    set.add (Integer.valueOf (aRandom.nextInt ()));
  int i = 0;
  for (final Integer v : set)
    vals[i++] = v.intValue ();

  final IntIntMap map = _makeMap (100, fillFactor);
  for (i = 0; i < vals.length; ++i)
  {
    assertEquals (0, map.put (vals[i], vals[i]));
    assertEquals (i + 1, map.size ());
    assertEquals (vals[i], map.get (vals[i]));
  }
  // now check the final state
  for (i = 0; i < vals.length; ++i)
    assertEquals (vals[i], map.get (vals[i]));
}
 

@Test
public void testAll ()
{
  final ICommonsSet <Class <?>> aClasses = new CommonsHashSet <> ();
  final ICommonsSet <String> aFilenames = new CommonsHashSet <> ();
  for (final EUBL22DocumentType e : EUBL22DocumentType.values ())
  {
    assertNotNull (e.getImplementationClass ());
    assertTrue (StringHelper.hasText (e.getLocalName ()));
    assertTrue (StringHelper.hasText (e.getNamespaceURI ()));
    assertTrue (e.getAllXSDResources ().size () >= 1);
    for (final IReadableResource aRes : e.getAllXSDResources ())
      assertTrue (e.name (), aRes.exists ());
    assertNotNull (e.getSchema ());
    assertSame (e.getSchema (), e.getSchema ());
    assertSame (e, EUBL22DocumentType.valueOf (e.name ()));
    assertTrue (aClasses.add (e.getImplementationClass ()));
    assertTrue (aFilenames.add (e.getAllXSDResources ().getFirst ().getPath ()));
  }
}
 

public CSSPropertyEnum (@Nonnull final ECSSProperty eProp,
                        @Nullable final ECSSVendorPrefix eVendorPrefix,
                        @Nullable final ICSSPropertyCustomizer aCustomizer,
                        @Nonnull @Nonempty final String... aEnumValues)
{
  super (eProp, eVendorPrefix, aCustomizer);
  ValueEnforcer.notEmptyNoNullValue (aEnumValues, "EnumValues");
  m_aEnumValues = new CommonsHashSet <> (aEnumValues.length);
  for (final String sPotentialValue : aEnumValues)
  {
    if (StringHelper.hasNoText (sPotentialValue))
      throw new IllegalArgumentException ("At least one enumeration value is empty");
    m_aEnumValues.add (sPotentialValue);
  }
}
 

@Test
public void testIsEmptyCollection ()
{
  assertTrue (isEmpty ((Collection <?>) null));
  assertTrue (isEmpty ((Map <?, ?>) null));
  assertTrue (isEmpty (new CommonsArrayList <String> ()));
  assertTrue (isEmpty (new CommonsVector <String> ()));
  assertTrue (isEmpty (new CommonsHashSet <String> ()));
  assertTrue (isEmpty (new CommonsTreeSet <String> ()));
  assertTrue (isEmpty (new CommonsHashMap <String, String> ()));
  assertTrue (isEmpty (new CommonsLinkedHashMap <String, String> ()));

  assertFalse (isEmpty (newList ("Hallo")));
  assertFalse (isEmpty (newMap ("Hallo", "Welt")));
}
 

@Test
public void testShortArray ()
{
  final short [] aShorts = new short [] { 4, 5, 4 };
  assertFalse (TypeConverter.convert (aShorts, List.class).isEmpty ());
  assertFalse (TypeConverter.convert (aShorts, CommonsArrayList.class).isEmpty ());
  assertFalse (TypeConverter.convert (aShorts, Set.class).isEmpty ());
  assertFalse (TypeConverter.convert (aShorts, CommonsHashSet.class).isEmpty ());
  assertFalse (TypeConverter.convert (aShorts, CommonsLinkedHashSet.class).isEmpty ());
  assertEquals (3, TypeConverter.convert (aShorts, String [].class).length);
}
 

@Test
public void testLongArray ()
{
  final long [] aLongs = new long [] { 10, 111, 1212 };
  assertFalse (TypeConverter.convert (aLongs, List.class).isEmpty ());
  assertFalse (TypeConverter.convert (aLongs, CommonsArrayList.class).isEmpty ());
  assertFalse (TypeConverter.convert (aLongs, Set.class).isEmpty ());
  assertFalse (TypeConverter.convert (aLongs, CommonsHashSet.class).isEmpty ());
  assertFalse (TypeConverter.convert (aLongs, CommonsLinkedHashSet.class).isEmpty ());
  assertEquals (3, TypeConverter.convert (aLongs, String [].class).length);
}
 

@Test
public void testFirstAndLast ()
{
  final ICommonsList <String> aList = newList ("s1", "s2", "s3");
  final Set <String> aSet = new CommonsLinkedHashSet <> (aList);

  assertNull (removeFirstElement (new CommonsArrayList <String> ()));
  assertNull (removeFirstElement ((ICommonsList <String>) null));

  assertEquals ("s1", getFirstElement (aList));
  assertEquals ("s1", getFirstElement (aSet));
  assertEquals ("s1", getFirstElement ((Iterable <String>) aSet));
  assertEquals ("s1", removeFirstElement (aList));
  assertNull (getFirstElement (new CommonsArrayList <String> ()));
  assertNull (getFirstElement (new CommonsHashSet <String> ()));
  assertNull (getFirstElement ((Iterable <String>) new CommonsHashSet <String> ()));
  assertNull (getFirstElement ((ICommonsList <String>) null));
  assertNull (getFirstElement ((Set <String>) null));
  assertNull (getFirstElement ((Iterable <String>) null));

  assertNull (removeLastElement (new CommonsArrayList <> ()));
  assertNull (removeLastElement ((ICommonsList <String>) null));

  assertEquals ("s3", getLastElement (aList));
  assertEquals ("s3", getLastElement (aSet));
  assertEquals ("s3", getLastElement ((Iterable <String>) aSet));
  assertEquals ("s3", removeLastElement (aList));
  assertNull (getLastElement (new CommonsArrayList <String> ()));
  assertNull (getLastElement (new CommonsHashSet <String> ()));
  assertNull (getLastElement ((Iterable <String>) new CommonsHashSet <String> ()));
  assertNull (getLastElement ((ICommonsList <String>) null));
  assertNull (getLastElement ((Set <String>) null));
  assertNull (getLastElement ((Iterable <String>) null));
}
 

@Nonnull
@ReturnsMutableCopy
public static CommonsHashSet <Integer> newPrimitiveSet (@Nullable final int... aValues)
{
  final CommonsHashSet <Integer> ret = new CommonsHashSet <> ();
  if (aValues != null)
    for (final int aValue : aValues)
      ret.add (Integer.valueOf (aValue));
  return ret;
}
 

@Test
public void testComplex ()
{
  final ICommonsMap <ICommonsList <String>, ICommonsSet <String>> aMap = new CommonsHashMap <> ();
  aMap.put (new CommonsArrayList <> ("a", "b", "c"), new CommonsHashSet <> ("a", "b", "c"));
  aMap.put (new CommonsArrayList <> ("a", "b", "d"), new CommonsHashSet <> ("a", "b", "d"));
  assertTrue (EqualsHelper.equalsCollection (aMap, CollectionHelper.newMap (aMap)));

  assertFalse (EqualsHelper.equalsCollection (aMap, ArrayHelper.newArray ("a", "b", "c", "d")));
  assertFalse (EqualsHelper.equalsCollection (aMap, new CommonsArrayList <> ("a", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aMap, new CommonsHashSet <> ("a", "b", "c")));
  final ICommonsMap <String, String> aMap1a = new CommonsHashMap <> ();
  aMap1a.put ("a", "b");
  assertFalse (EqualsHelper.equalsCollection (aMap, aMap1a));
  final ICommonsMap <ICommonsList <String>, String> aMap2 = new CommonsHashMap <> ();
  aMap2.put (new CommonsArrayList <> ("a", "b", "c"), "d");
  aMap2.put (new CommonsArrayList <> ("a", "b", "d"), "e");
  aMap2.put (new CommonsArrayList <> ("a", "b", "e"), null);
  aMap2.put (null, "g");
  assertFalse (EqualsHelper.equalsCollection (aMap, aMap2));
  assertFalse (EqualsHelper.equalsCollection (aMap2, aMap));
  final ICommonsMap <String, ICommonsList <String>> aMap3 = new CommonsHashMap <> ();
  aMap3.put ("d", new CommonsArrayList <> ("a", "b", "c"));
  aMap3.put ("e", new CommonsArrayList <> ("a", "b", "d"));
  aMap3.put (null, new CommonsArrayList <> ("a", "b", "e"));
  aMap3.put ("g", null);
  assertFalse (EqualsHelper.equalsCollection (aMap, aMap3));
  assertFalse (EqualsHelper.equalsCollection (aMap3, aMap));
}
 

@Test
public void testArrayComplex ()
{
  final ICommonsList <String> [] aArray = ArrayHelper.newArray (new CommonsArrayList <> ("a", "b"), new CommonsArrayList <> ("c", "d"));
  assertTrue (EqualsHelper.equalsCollection (aArray, aArray));
  assertTrue (EqualsHelper.equalsCollection (aArray,
                                             ArrayHelper.newArray (new CommonsArrayList <> ("a", "b"),
                                                                   new CommonsArrayList <> ("c", "d"))));
  assertTrue (EqualsHelper.equalsCollection (new ICommonsList <?> [0], new ICommonsList <?> [] {}));

  assertFalse (EqualsHelper.equalsCollection (aArray, new ICommonsList <?> [0]));
  assertFalse (EqualsHelper.equalsCollection (new ICommonsList <?> [0], aArray));
  assertFalse (EqualsHelper.equalsCollection (aArray, ArrayHelper.newArray (new CommonsArrayList <> ("a", "b"))));
  assertFalse (EqualsHelper.equalsCollection (aArray,
                                              ArrayHelper.newArray (new CommonsArrayList <> ("A", "b"),
                                                                    new CommonsArrayList <> ("c", "d"))));
  assertFalse (EqualsHelper.equalsCollection (aArray,
                                              ArrayHelper.newArray (new CommonsArrayList <> ("a", "b"),
                                                                    new CommonsArrayList <> ("c", "D"))));
  assertFalse (EqualsHelper.equalsCollection (aArray,
                                              ArrayHelper.newArray (new CommonsArrayList <> ("a", "b"),
                                                                    new CommonsArrayList <> ("c", "d"),
                                                                    new CommonsArrayList <> ("e", "f"))));
  assertFalse (EqualsHelper.equalsCollection (aArray,
                                              ArrayHelper.newArray (new CommonsArrayList <> ("a", "b"), (ICommonsList <String>) null)));
  assertFalse (EqualsHelper.equalsCollection (aArray, new CommonsArrayList <> ("a", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aArray, new CommonsHashSet <> ("a", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aArray, ArrayHelper.newArray ("a", "b", "c")));
  assertFalse (EqualsHelper.equalsCollection (aArray, ArrayHelper.newArray ("a", null, "c")));
}
 

@Nonnull
@ReturnsMutableCopy
@CodingStyleguideUnaware
public Set <Map.Entry <KEYTYPE, VALUETYPE>> entrySet ()
{
  final ICommonsSet <Map.Entry <KEYTYPE, VALUETYPE>> aSet = new CommonsHashSet <> (size ());
  if (m_bHasElement)
    aSet.add (new MapEntry <> (m_aKey, m_aValue));
  return aSet;
}
 

@Nonnull
@ReturnsMutableCopy
public static CommonsHashSet <Long> newPrimitiveSet (@Nullable final long... aValues)
{
  final CommonsHashSet <Long> ret = new CommonsHashSet <> ();
  if (aValues != null)
    for (final long aValue : aValues)
      ret.add (Long.valueOf (aValue));
  return ret;
}
 

@Nonnull
@ReturnsMutableCopy
public static CommonsHashSet <Short> newPrimitiveSet (@Nullable final short... aValues)
{
  final CommonsHashSet <Short> ret = new CommonsHashSet <> ();
  if (aValues != null)
    for (final short aValue : aValues)
      ret.add (Short.valueOf (aValue));
  return ret;
}
 

@Test
public void testExplodeToOrderedSet ()
{
  ICommonsOrderedSet <String> ret = StringHelper.getExplodedToOrderedSet ("@", "a@b@@c");
  assertEquals (new CommonsHashSet <> ("a", "b", "", "c"), ret);
  ret = StringHelper.getExplodedToOrderedSet ("uu", "auubuuuuuuc");
  assertEquals (new CommonsHashSet <> ("a", "b", "", "", "c"), ret);
  ret = StringHelper.getExplodedToOrderedSet (".", "a.b...c");
  assertEquals (new CommonsHashSet <> ("a", "b", "", "", "c"), ret);
  ret = StringHelper.getExplodedToOrderedSet ("o", "boo:and:foo");
  assertEquals (new CommonsHashSet <> ("b", "", ":and:f", "", ""), ret);
  ret = StringHelper.getExplodedToOrderedSet ("@", "@a@b@@c");
  assertEquals (new CommonsHashSet <> ("", "a", "b", "", "c"), ret);
  ret = StringHelper.getExplodedToOrderedSet ("@", "a@b@@c@");
  assertEquals (new CommonsHashSet <> ("a", "b", "", "c", ""), ret);
  ret = StringHelper.getExplodedToOrderedSet ("@", "@a@b@@c@");
  assertEquals (new CommonsHashSet <> ("", "a", "b", "", "c", ""), ret);
  assertTrue (StringHelper.getExplodedToOrderedSet ("@", null).isEmpty ());

  try
  {
    StringHelper.getExplodedToOrderedSet (null, "@a@b@@c@");
    fail ();
  }
  catch (final NullPointerException ex)
  {}
}
 

@Test
public void testExplodeToSet ()
{
  ICommonsSet <String> ret = StringHelper.getExplodedToSet ("@", "a@b@@c");
  assertEquals (new CommonsHashSet <> ("a", "b", "", "c"), ret);
  ret = StringHelper.getExplodedToSet ("uu", "auubuuuuuuc");
  assertEquals (new CommonsHashSet <> ("a", "b", "", "", "c"), ret);
  ret = StringHelper.getExplodedToSet (".", "a.b...c");
  assertEquals (new CommonsHashSet <> ("a", "b", "", "", "c"), ret);
  ret = StringHelper.getExplodedToSet ("o", "boo:and:foo");
  assertEquals (new CommonsHashSet <> ("b", "", ":and:f", "", ""), ret);
  ret = StringHelper.getExplodedToSet ("@", "@a@b@@c");
  assertEquals (new CommonsHashSet <> ("", "a", "b", "", "c"), ret);
  ret = StringHelper.getExplodedToSet ("@", "a@b@@c@");
  assertEquals (new CommonsHashSet <> ("a", "b", "", "c", ""), ret);
  ret = StringHelper.getExplodedToSet ("@", "@a@b@@c@");
  assertEquals (new CommonsHashSet <> ("", "a", "b", "", "c", ""), ret);
  assertTrue (StringHelper.getExplodedToSet ("@", null).isEmpty ());

  try
  {
    StringHelper.getExplodedToSet (null, "@a@b@@c@");
    fail ();
  }
  catch (final NullPointerException ex)
  {}
}
 

/**
 * @return A copy of the set with all property names for which warnings were
 *         emitted.
 */
@Nonnull
@ReturnsMutableCopy
public static ICommonsSet <String> getAllWarnedPropertyNames ()
{
  // Convert from CopyOnWrite to regular HashSet
  return new CommonsHashSet <> (s_aWarnedPropertyNames);
}