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How to use compareUnorderedCollectionByHashCodes method of org.assertj.core.internal.DeepDifference class

Best Assertj code snippet using org.assertj.core.internal.DeepDifference.compareUnorderedCollectionByHashCodes

Source:DeepDifference.java

...392   * @return boolean false if the Collections are for certain not equals. A393   *         value of 'true' indicates that the Collections may be equal, and394   *         the sets items will be added to the Stack for further comparison.395   */396  private static <K, V> boolean compareUnorderedCollectionByHashCodes(Collection<K> col1, Collection<V> col2,397                                                                      List<String> path, Deque<DualKey> toCompare,398                                                                      Set<DualKey> visited) {399    Map<Integer, Object> fastLookup = new HashMap<>();400    for (Object o : col2) {401      fastLookup.put(deepHashCode(o), o);402    }403    for (Object o : col1) {404      Object other = fastLookup.get(deepHashCode(o));405      if (other == null) {406        // Item not even found in other Collection, no need to continue.407        return false;408      }409      DualKey dk = new DualKey(path, o, other);410      if (!visited.contains(dk)) {411        toCompare.addFirst(dk);412      }413    }414    return true;415  }416  /**417   * Deeply compares two collections referenced by dualKey. This method attempts418   * to quickly determine inequality by length, then if lengths match, in case of419   * collection type is Set and there are passed no custom comparators, there is used420   * comparison on hashcodes basis, otherwise each element from one collection is checked421   * for existence in another one using 'deep' comparison.422   */423  private static <K, V> boolean compareUnorderedCollection(Collection<K> col1, Collection<V> col2,424                                                           List<String> path, Deque<DualKey> toCompare,425                                                           Set<DualKey> visited,426                                                           Map<String, Comparator<?>> comparatorByPropertyOrField,427                                                           TypeComparators comparatorByType) {428    if (col1.size() != col2.size()) return false;429    boolean noCustomComparators = comparatorByPropertyOrField.isEmpty() && comparatorByType.isEmpty();430    if (noCustomComparators && col1 instanceof Set) {431      // this comparison is used for performance optimization reasons432      return compareUnorderedCollectionByHashCodes(col1, col2, path, toCompare, visited);433    }434    Collection<V> col2Copy = new LinkedList<>(col2);435    for (Object o1 : col1) {436      Iterator<V> iterator = col2Copy.iterator();437      while (iterator.hasNext()) {438        Object o2 = iterator.next();439        if (determineDifferences(o1, o2, path, comparatorByPropertyOrField, comparatorByType).isEmpty()) {440          iterator.remove();441          break;442        }443      }444    }445    return col2Copy.isEmpty();446  }...

compareUnorderedCollectionByHashCodes

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.DeepDifference;3import org.assertj.core.internal.DeepDifference.Difference;4import org.assertj.core.internal.DeepDifference.HashCodeAndIndex;5import org.assertj.core.internal.DeepDifference.HashCodeAndIndexList;6import java.util.ArrayList;7import java.util.Arrays;8import java.util.List;9public class CompareTwoCollectionsOfObjects {10    public static void main(String[] args) {11        List<String> list1 = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f", "g"));12        List<String> list2 = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f", "g"));13        List<String> list3 = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f", "g"));14        List<String> list4 = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f", "g"));15        List<String> list5 = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f", "g"));16        List<String> list6 = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f", "g"));17        List<String> list7 = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f", "g"));18        List<String> list8 = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f", "g"));19        List<String> list9 = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f", "g"));20        List<String> list10 = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f", "g"));21        List<String> list11 = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f", "g"));22        List<String> list12 = new ArrayList<>(Arrays.asList("a", "b", "c", "d", "e", "f", "g"));23        List<String> list13 = new ArrayList<>(Arrays

compareUnorderedCollectionByHashCodes

Using AI Code Generation

1    public void testCompareUnorderedCollectionByHashCodes() {2        List<String> list1 = new ArrayList<>();3        list1.add("A");4        list1.add("B");5        list1.add("C");6        list1.add("D");7        list1.add("E");8        list1.add("F");9        list1.add("G");10        list1.add("H");11        list1.add("I");12        list1.add("J");13        list1.add("K");14        list1.add("L");15        list1.add("M");16        list1.add("N");17        list1.add("O");18        list1.add("P");19        list1.add("Q");20        list1.add("R");21        list1.add("S");22        list1.add("T");23        list1.add("U");24        list1.add("V");25        list1.add("W");26        list1.add("X");27        list1.add("Y");28        list1.add("Z");29        List<String> list2 = new ArrayList<>();30        list2.add("A");31        list2.add("B");32        list2.add("C");33        list2.add("D");34        list2.add("E");35        list2.add("F");36        list2.add("G");37        list2.add("H");38        list2.add("I");39        list2.add("J");40        list2.add("K");41        list2.add("L");42        list2.add("M");43        list2.add("N");44        list2.add("O");45        list2.add("P");46        list2.add("Q");47        list2.add("R");48        list2.add("S");49        list2.add("T");50        list2.add("U");51        list2.add("V");52        list2.add("W");53        list2.add("X");54        list2.add("Y");55        list2.add("Z");56        DeepDifference deepDifference = new DeepDifference();57        assertThat(deepDifference.compareUnorderedCollectionByHashCodes(list1, list2)).isTrue();58    }59    public void testCompareUnorderedCollectionByHashCodesFail() {60        List<String> list1 = new ArrayList<>();61        list1.add("A");

compareUnorderedCollectionByHashCodes

Using AI Code Generation

1public class DeepDifferenceTest {2  public void should_return_no_difference_when_comparing_empty_collections() {3    assertThat(compareUnorderedCollectionByHashCodes(newArrayList(), newArrayList())).isEmpty();4  }5  public void should_return_no_difference_when_comparing_collections_with_same_elements() {6    assertThat(compareUnorderedCollectionByHashCodes(newArrayList("Luke", "Yoda"), newArrayList("Yoda", "Luke"))).isEmpty();7  }8  public void should_return_difference_when_comparing_collections_with_different_elements() {9    assertThat(compareUnorderedCollectionByHashCodes(newArrayList("Luke", "Yoda"), newArrayList("Yoda", "Leia")))10      .containsExactly("expected:<[Leia][]> but was:<[Luke][]>", "expected:<[]> but was:<[Luke][]>");11  }12  public void should_return_difference_when_comparing_collections_with_same_elements_but_different_order() {13    assertThat(compareUnorderedCollectionByHashCodes(newArrayList("Luke", "Yoda"), newArrayList("Yoda", "Luke")))14      .containsExactly("expected:<[]> but was:<[Luke][]>", "expected:<[]> but was:<[Luke][]>");15  }16  public void should_return_difference_when_comparing_collections_with_same_elements_but_different_order_and_duplicated_elements() {17    assertThat(compareUnorderedCollectionByHashCodes(newArrayList("Luke", "Yoda", "Luke"), newArrayList("Yoda", "Luke")))18      .containsExactly("expected:<[]> but was:<[Luke][]>", "expected:<[]> but was:<[Luke][]>");19  }20  public void should_return_difference_when_comparing_collections_with_same_elements_but_different_order_and_duplicated_elements_and_null_elements() {21    assertThat(compareUnorderedCollectionByHashCodes(newArrayList("Luke", "Yoda", null, "Luke"), newArrayList("Yoda", "Luke", null)))22      .containsExactly("expected:<[]> but was:<[Luke][]>", "expected:<[]> but was:<[Luke][]>");23  }24  public void should_return_difference_when_comparing_collections_with_same_elements_but_different_order_and_duplicated_elements_and_null_elements_and_different_types() {25    assertThat(compareUnorderedCollectionByHashCodes(newArrayList

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