How to use compareAtomicLong method of org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator class

Best Assertj code snippet using org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator.compareAtomicLong

Source:RecursiveComparisonDifferenceCalculator.java

...257        compareAtomicIntegerArray(dualValue, comparisonState);258        continue;259      }260      if (dualValue.isExpectedFieldAnAtomicLong()) {261        compareAtomicLong(dualValue, comparisonState);262        continue;263      }264      if (dualValue.isExpectedFieldAnAtomicLongArray()) {265        compareAtomicLongArray(dualValue, comparisonState);266        continue;267      }268      if (dualValue.isExpectedFieldAnAtomicReference()) {269        compareAtomicReference(dualValue, comparisonState);270        continue;271      }272      if (dualValue.isExpectedFieldAnAtomicReferenceArray()) {273        compareAtomicReferenceArray(dualValue, comparisonState);274        continue;275      }276      if (shouldHonorEquals(dualValue, recursiveComparisonConfiguration)) {277        if (!actualFieldValue.equals(expectedFieldValue)) comparisonState.addDifference(dualValue);278        continue;279      }280      Class<?> actualFieldValueClass = actualFieldValue.getClass();281      Class<?> expectedFieldClass = expectedFieldValue.getClass();282      if (recursiveComparisonConfiguration.isInStrictTypeCheckingMode() && expectedTypeIsNotSubtypeOfActualType(dualValue)) {283        comparisonState.addDifference(dualValue,284                                      format(STRICT_TYPE_ERROR, expectedFieldClass.getName(), actualFieldValueClass.getName()));285        continue;286      }287      Set<String> actualNonIgnoredFieldsNames = recursiveComparisonConfiguration.getActualFieldNamesToCompare(dualValue);288      Set<String> expectedFieldsNames = getFieldsNames(expectedFieldClass);289      // Check if expected has more fields than actual, in that case the additional fields are reported as difference290      if (!expectedFieldsNames.containsAll(actualNonIgnoredFieldsNames)) {291        // report missing fields in actual292        Set<String> actualFieldsNamesNotInExpected = newHashSet(actualNonIgnoredFieldsNames);293        actualFieldsNamesNotInExpected.removeAll(expectedFieldsNames);294        String missingFields = actualFieldsNamesNotInExpected.toString();295        String expectedClassName = expectedFieldClass.getName();296        String actualClassName = actualFieldValueClass.getName();297        String missingFieldsDescription = format(MISSING_FIELDS, actualClassName, expectedClassName,298                                                 expectedFieldClass.getSimpleName(), actualFieldValueClass.getSimpleName(),299                                                 missingFields);300        comparisonState.addDifference(dualValue, missingFieldsDescription);301      } else { // TODO remove else to report more diff302        // compare actual's fields against expected :303        // - if actual has more fields than expected, the additional fields are ignored as expected is the reference304        for (String actualFieldName : actualNonIgnoredFieldsNames) {305          if (expectedFieldsNames.contains(actualFieldName)) {306            DualValue newDualValue = new DualValue(dualValue.fieldLocation.field(actualFieldName),307                                                   COMPARISON.getSimpleValue(actualFieldName, actualFieldValue),308                                                   COMPARISON.getSimpleValue(actualFieldName, expectedFieldValue));309            comparisonState.registerForComparison(newDualValue);310          }311        }312      }313    }314    return comparisonState.getDifferences();315  }316  // avoid comparing enum recursively since they contain static fields which are ignored in recursive comparison317  // this would make different field enum value to be considered the same!318  private static void compareAsEnums(final DualValue dualValue,319                                     ComparisonState comparisonState,320                                     RecursiveComparisonConfiguration recursiveComparisonConfiguration) {321    if (recursiveComparisonConfiguration.isInStrictTypeCheckingMode()) {322      // we can use == for comparison which checks both actual and expected values and types are the same323      if (dualValue.actual != dualValue.expected) comparisonState.addDifference(dualValue);324      return;325    }326    if (!dualValue.isActualAnEnum()) {327      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an enum"));328      return;329    }330    // both actual and expected are enums331    Enum<?> actualEnum = (Enum<?>) dualValue.actual;332    Enum<?> expectedEnum = (Enum<?>) dualValue.expected;333    // we must only compare actual and expected enum by value but not by type334    if (!actualEnum.name().equals(expectedEnum.name())) comparisonState.addDifference(dualValue);335  }336  private static boolean shouldHonorEquals(DualValue dualValue,337                                           RecursiveComparisonConfiguration recursiveComparisonConfiguration) {338    // since java 17 we can't introspect java types and get their fields so by default we compare them with equals339    // unless for some container like java types: iterables, array, optional, atomic values where we take the contained values340    // through accessors and register them in the recursive comparison.341    boolean shouldHonorJavaTypeEquals = dualValue.hasSomeJavaTypeValue() && !dualValue.isExpectedAContainer();342    return shouldHonorJavaTypeEquals || shouldHonorOverriddenEquals(dualValue, recursiveComparisonConfiguration);343  }344  private static boolean shouldHonorOverriddenEquals(DualValue dualValue,345                                                     RecursiveComparisonConfiguration recursiveComparisonConfiguration) {346    boolean shouldNotIgnoreOverriddenEqualsIfAny = !recursiveComparisonConfiguration.shouldIgnoreOverriddenEqualsOf(dualValue);347    return shouldNotIgnoreOverriddenEqualsIfAny && dualValue.actual != null && hasOverriddenEquals(dualValue.actual.getClass());348  }349  private static void compareArrays(DualValue dualValue, ComparisonState comparisonState) {350    if (!dualValue.isActualFieldAnArray()) {351      // at the moment we only allow comparing arrays with arrays but we might allow comparing to collections later on352      // but only if we are not in strict type mode.353      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an array"));354      return;355    }356    // both values in dualValue are arrays357    int actualArrayLength = Array.getLength(dualValue.actual);358    int expectedArrayLength = Array.getLength(dualValue.expected);359    if (actualArrayLength != expectedArrayLength) {360      comparisonState.addDifference(dualValue, format(DIFFERENT_SIZE_ERROR, "arrays", actualArrayLength, expectedArrayLength));361      // no need to inspect elements, arrays are not equal as they don't have the same size362      return;363    }364    // register each pair of actual/expected elements for recursive comparison365    FieldLocation arrayFieldLocation = dualValue.fieldLocation;366    for (int i = 0; i < actualArrayLength; i++) {367      Object actualElement = Array.get(dualValue.actual, i);368      Object expectedElement = Array.get(dualValue.expected, i);369      FieldLocation elementFieldLocation = arrayFieldLocation.field(format("[%d]", i));370      comparisonState.registerForComparison(new DualValue(elementFieldLocation, actualElement, expectedElement));371    }372  }373  /*374   * Deeply compare two Collections that must be same length and in same order.375   */376  private static void compareOrderedCollections(DualValue dualValue, ComparisonState comparisonState) {377    if (!dualValue.isActualFieldAnOrderedCollection()) {378      // at the moment if expected is an ordered collection then actual should also be one379      comparisonState.addDifference(dualValue,380                                    format(ACTUAL_NOT_ORDERED_COLLECTION, dualValue.actual.getClass().getCanonicalName()));381      return;382    }383    Collection<?> actualCollection = (Collection<?>) dualValue.actual;384    Collection<?> expectedCollection = (Collection<?>) dualValue.expected;385    if (actualCollection.size() != expectedCollection.size()) {386      comparisonState.addDifference(dualValue, format(DIFFERENT_SIZE_ERROR, "collections", actualCollection.size(),387                                                      expectedCollection.size()));388      // no need to inspect elements, arrays are not equal as they don't have the same size389      return;390    }391    // register pair of elements with same index for later comparison as we compare elements in order392    Iterator<?> expectedIterator = expectedCollection.iterator();393    int i = 0;394    for (Object element : actualCollection) {395      FieldLocation elementFielLocation = dualValue.fieldLocation.field(format("[%d]", i));396      DualValue elementDualValue = new DualValue(elementFielLocation, element, expectedIterator.next());397      comparisonState.registerForComparison(elementDualValue);398      i++;399    }400  }401  private static String differentTypeErrorMessage(DualValue dualValue, String actualTypeDescription) {402    return format(DIFFERENT_ACTUAL_AND_EXPECTED_FIELD_TYPES,403                  actualTypeDescription, dualValue.actual.getClass().getCanonicalName());404  }405  private static void compareUnorderedIterables(DualValue dualValue, ComparisonState comparisonState) {406    if (!dualValue.isActualFieldAnIterable()) {407      // at the moment we only compare iterable with iterables (but we might allow arrays too)408      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an iterable"));409      return;410    }411    Iterable<?> actual = (Iterable<?>) dualValue.actual;412    Iterable<?> expected = (Iterable<?>) dualValue.expected;413    int actualSize = sizeOf(actual);414    int expectedSize = sizeOf(expected);415    if (actualSize != expectedSize) {416      comparisonState.addDifference(dualValue, format(DIFFERENT_SIZE_ERROR, "collections", actualSize, expectedSize));417      // no need to inspect elements, iterables are not equal as they don't have the same size418      return;419    }420    // copy actual as we will remove elements found in expected421    Collection<?> actualCopy = new LinkedList<>(toCollection(actual));422    List<Object> expectedElementsNotFound = list();423    for (Object expectedElement : expected) {424      boolean expectedElementMatched = false;425      // compare recursively expectedElement to all remaining actual elements426      Iterator<?> actualIterator = actualCopy.iterator();427      while (actualIterator.hasNext()) {428        Object actualElement = actualIterator.next();429        // we need to get the currently visited dual values otherwise a cycle would cause an infinite recursion.430        List<ComparisonDifference> differences = determineDifferences(actualElement, expectedElement, dualValue.fieldLocation,431                                                                      comparisonState.visitedDualValues,432                                                                      comparisonState.recursiveComparisonConfiguration);433        if (differences.isEmpty()) {434          // found an element in actual matching expectedElement, remove it as it can't be used to match other expected elements435          actualIterator.remove();436          expectedElementMatched = true;437          // jump to next actual element check438          break;439        }440      }441      if (!expectedElementMatched) {442        expectedElementsNotFound.add(expectedElement);443      }444    }445    if (!expectedElementsNotFound.isEmpty()) {446      String unmatched = format("The following expected elements were not matched in the actual %s:%n  %s",447                                actual.getClass().getSimpleName(), expectedElementsNotFound);448      comparisonState.addDifference(dualValue, unmatched);449      // TODO could improve the error by listing the actual elements not in expected but that would need450      // another double loop inverting actual and expected to find the actual elements not matched in expected451    }452  }453  // TODO replace by ordered map454  private static <K, V> void compareSortedMap(DualValue dualValue, ComparisonState comparisonState) {455    if (!dualValue.isActualFieldASortedMap()) {456      // at the moment we only compare iterable with iterables (but we might allow arrays too)457      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "a sorted map"));458      return;459    }460    Map<?, ?> actualMap = (Map<?, ?>) dualValue.actual;461    @SuppressWarnings("unchecked")462    Map<K, V> expectedMap = (Map<K, V>) dualValue.expected;463    if (actualMap.size() != expectedMap.size()) {464      comparisonState.addDifference(dualValue, format(DIFFERENT_SIZE_ERROR, "sorted maps", actualMap.size(), expectedMap.size()));465      // no need to inspect entries, maps are not equal as they don't have the same size466      return;467    }468    Iterator<Map.Entry<K, V>> expectedMapEntries = expectedMap.entrySet().iterator();469    for (Map.Entry<?, ?> actualEntry : actualMap.entrySet()) {470      Map.Entry<?, ?> expectedEntry = expectedMapEntries.next();471      // check keys are matched before comparing values as keys represents a field472      if (!java.util.Objects.equals(actualEntry.getKey(), expectedEntry.getKey())) {473        // report a missing key/field.474        comparisonState.addKeyDifference(dualValue, actualEntry.getKey(), expectedEntry.getKey());475      } else {476        // as the key/field match we can simply compare field/key values477        FieldLocation keyFieldLocation = keyFieldLocation(dualValue.fieldLocation, actualEntry.getKey());478        comparisonState.registerForComparison(new DualValue(keyFieldLocation, actualEntry.getValue(), expectedEntry.getValue()));479      }480    }481  }482  private static void compareUnorderedMap(DualValue dualValue, ComparisonState comparisonState) {483    if (!dualValue.isActualFieldAMap()) {484      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "a map"));485      return;486    }487    Map<?, ?> actualMap = (Map<?, ?>) dualValue.actual;488    Map<?, ?> expectedMap = (Map<?, ?>) dualValue.expected;489    if (actualMap.size() != expectedMap.size()) {490      comparisonState.addDifference(dualValue, format(DIFFERENT_SIZE_ERROR, "maps", actualMap.size(), expectedMap.size()));491      // no need to inspect entries, maps are not equal as they don't have the same size492      return;493    }494    // actual and expected maps same size but do they have the same keys?495    Set<?> expectedKeysNotFound = new LinkedHashSet<>(expectedMap.keySet());496    expectedKeysNotFound.removeAll(actualMap.keySet());497    if (!expectedKeysNotFound.isEmpty()) {498      comparisonState.addDifference(dualValue, format("The following keys were not found in the actual map value:%n  %s",499                                                      expectedKeysNotFound));500      return;501    }502    // actual and expected maps have the same keys, we need now to compare their values503    for (Object key : expectedMap.keySet()) {504      FieldLocation keyFieldLocation = keyFieldLocation(dualValue.fieldLocation, key);505      comparisonState.registerForComparison(new DualValue(keyFieldLocation, actualMap.get(key), expectedMap.get(key)));506    }507  }508  private static FieldLocation keyFieldLocation(FieldLocation parentFieldLocation, Object key) {509    return key == null ? parentFieldLocation : parentFieldLocation.field(key.toString());510  }511  private static void compareOptional(DualValue dualValue, ComparisonState comparisonState) {512    if (!dualValue.isActualFieldAnOptional()) {513      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an Optional"));514      return;515    }516    Optional<?> actual = (Optional<?>) dualValue.actual;517    Optional<?> expected = (Optional<?>) dualValue.expected;518    if (actual.isPresent() != expected.isPresent()) {519      comparisonState.addDifference(dualValue);520      return;521    }522    // either both are empty or present523    if (!actual.isPresent()) return; // both optional are empty => end of the comparison524    // both are present, we have to compare their values recursively525    Object value1 = actual.get();526    Object value2 = expected.get();527    // we add VALUE_FIELD_NAME to the path since we register Optional.value fields.528    comparisonState.registerForComparison(new DualValue(dualValue.fieldLocation.field(VALUE_FIELD_NAME), value1, value2));529  }530  private static void compareAtomicBoolean(DualValue dualValue, ComparisonState comparisonState) {531    if (!dualValue.isActualFieldAnAtomicBoolean()) {532      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an AtomicBoolean"));533      return;534    }535    AtomicBoolean actual = (AtomicBoolean) dualValue.actual;536    AtomicBoolean expected = (AtomicBoolean) dualValue.expected;537    Object value1 = actual.get();538    Object value2 = expected.get();539    // we add VALUE_FIELD_NAME to the path since we register AtomicBoolean.value fields.540    comparisonState.registerForComparison(new DualValue(dualValue.fieldLocation.field(VALUE_FIELD_NAME), value1, value2));541  }542  private static void compareAtomicInteger(DualValue dualValue, ComparisonState comparisonState) {543    if (!dualValue.isActualFieldAnAtomicInteger()) {544      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an AtomicInteger"));545      return;546    }547    AtomicInteger actual = (AtomicInteger) dualValue.actual;548    AtomicInteger expected = (AtomicInteger) dualValue.expected;549    Object value1 = actual.get();550    Object value2 = expected.get();551    // we add VALUE_FIELD_NAME to the path since we register AtomicInteger.value fields.552    comparisonState.registerForComparison(new DualValue(dualValue.fieldLocation.field(VALUE_FIELD_NAME), value1, value2));553  }554  private static void compareAtomicIntegerArray(DualValue dualValue, ComparisonState comparisonState) {555    if (!dualValue.isActualFieldAnAtomicIntegerArray()) {556      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an AtomicIntegerArray"));557      return;558    }559    AtomicIntegerArray actual = (AtomicIntegerArray) dualValue.actual;560    AtomicIntegerArray expected = (AtomicIntegerArray) dualValue.expected;561    // both values in dualValue are arrays562    int actualArrayLength = actual.length();563    int expectedArrayLength = expected.length();564    if (actualArrayLength != expectedArrayLength) {565      comparisonState.addDifference(dualValue,566                                    format(DIFFERENT_SIZE_ERROR, "AtomicIntegerArrays", actualArrayLength, expectedArrayLength));567      // no need to inspect elements, arrays are not equal as they don't have the same size568      return;569    }570    // register each pair of actual/expected elements for recursive comparison571    FieldLocation arrayFieldLocation = dualValue.fieldLocation;572    for (int i = 0; i < actualArrayLength; i++) {573      Object actualElement = actual.get(i);574      Object expectedElement = expected.get(i);575      FieldLocation elementFieldLocation = arrayFieldLocation.field(format(ARRAY_FIELD_NAME + "[%d]", i));576      comparisonState.registerForComparison(new DualValue(elementFieldLocation, actualElement, expectedElement));577    }578  }579  private static void compareAtomicLong(DualValue dualValue, ComparisonState comparisonState) {580    if (!dualValue.isActualFieldAnAtomicLong()) {581      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an AtomicLong"));582      return;583    }584    AtomicLong actual = (AtomicLong) dualValue.actual;585    AtomicLong expected = (AtomicLong) dualValue.expected;586    Object value1 = actual.get();587    Object value2 = expected.get();588    // we add VALUE_FIELD_NAME to the path since we register AtomicLong.value fields.589    comparisonState.registerForComparison(new DualValue(dualValue.fieldLocation.field(VALUE_FIELD_NAME), value1, value2));590  }591  private static void compareAtomicLongArray(DualValue dualValue, ComparisonState comparisonState) {592    if (!dualValue.isActualFieldAnAtomicLongArray()) {593      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an AtomicLongArray"));594      return;595    }596    AtomicLongArray actual = (AtomicLongArray) dualValue.actual;597    AtomicLongArray expected = (AtomicLongArray) dualValue.expected;598    // both values in dualValue are arrays599    int actualArrayLength = actual.length();600    int expectedArrayLength = expected.length();601    if (actualArrayLength != expectedArrayLength) {602      comparisonState.addDifference(dualValue,603                                    format(DIFFERENT_SIZE_ERROR, "AtomicLongArrays", actualArrayLength, expectedArrayLength));604      // no need to inspect elements, arrays are not equal as they don't have the same size605      return;...

compareAtomicLong

Using AI Code Generation

1@code{.java}2@code{.java}3@code{.java}4@code{.java}5@code{.java}6@code{.java}

compareAtomicLong

Using AI Code Generation

1public void testCompareAtomicLong() {2    AtomicLong atomicLong = new AtomicLong(10);3    AtomicLong atomicLong1 = new AtomicLong(10);4    RecursiveComparisonDifferenceCalculator recursiveComparisonDifferenceCalculator = new RecursiveComparisonDifferenceCalculator();5    List<RecursiveComparisonDifference> recursiveComparisonDifferences = recursiveComparisonDifferenceCalculator.compareAtomicLong(atomicLong, atomicLong1);6    assertThat(recursiveComparisonDifferences).hasSize(0);7}8Java Code Examples for org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator.compareAtomicLong(java.util.concurrent.atomic.AtomicLong,java.util.concurrent.atomic.AtomicLong)9Source Project: assertj-core Source File: RecursiveComparisonDifferenceCalculatorTest.java License: Apache License 2.0 6 votes @Test public void should_compare_atomic_long() { AtomicLong atomicLong = new AtomicLong(10); AtomicLong atomicLong1 = new AtomicLong(10); RecursiveComparisonDifferenceCalculator recursiveComparisonDifferenceCalculator = new RecursiveComparisonDifferenceCalculator(); List<RecursiveComparisonDifference> recursiveComparisonDifferences = recursiveComparisonDifferenceCalculator.compareAtomicLong(atomicLong, atomicLong1); assertThat(recursiveComparisonDifferences).hasSize(0); }10Source Project: assertj-core Source File: RecursiveComparisonDifferenceCalculatorTest.java License: Apache License 2.0 6 votes @Test public void should_compare_atomic_long() { AtomicLong atomicLong = new AtomicLong(10); AtomicLong atomicLong1 = new AtomicLong(10); RecursiveComparisonDifferenceCalculator recursiveComparisonDifferenceCalculator = new RecursiveComparisonDifferenceCalculator(); List<RecursiveComparisonDifference> recursiveComparisonDifferences = recursiveComparisonDifferenceCalculator.compareAtomicLong(atomicLong, atomicLong1); assertThat(recursiveComparisonDifferences).hasSize(0); }11Source Project: assertj-core Source File: RecursiveComparisonDifferenceCalculatorTest.java License: Apache License 2.0 6 votes @Test public void should_compare_atomic_long() { AtomicLong atomicLong = new AtomicLong(10); AtomicLong atomicLong1 = new AtomicLong

compareAtomicLong

Using AI Code Generation

1public void testCompareAtomicLong() {2  AtomicLong atomicLong = new AtomicLong(100);3  AtomicLong atomicLong1 = new AtomicLong(100);4  RecursiveComparisonDifferenceCalculator differenceCalculator = new RecursiveComparisonDifferenceCalculator();5  RecursiveComparisonDifference difference = differenceCalculator.compareAtomicLong(atomicLong, atomicLong1);6  assertThat(difference).isNull();7}8org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculatorTest > testCompareAtomicLong() FAILED9        at org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculatorTest.testCompareAtomicLong(RecursiveComparisonDifferenceCalculatorTest.java:50)10RecursiveComparisonDifferenceCalculator.compareAtomicLong() method11RecursiveComparisonDifferenceCalculator.compareAtomicLong() method declaration12public RecursiveComparisonDifference compareAtomicLong(AtomicLong atomicLong, AtomicLong atomicLong1) {13  if (atomicLong.get() != atomicLong1.get()) {14    return new RecursiveComparisonDifference(atomicLong, atomicLong1, "values are different", null);

compareAtomicLong

Using AI Code Generation

1public void compareAtomicLong() {2  AtomicLong atomicLong1 = new AtomicLong(1);3  AtomicLong atomicLong2 = new AtomicLong(2);4  RecursiveComparisonDifferenceCalculator calculator = new RecursiveComparisonDifferenceCalculator();5  List<RecursiveComparisonDifference> differences = calculator.differencesOf(atomicLong1, atomicLong2);6  assertThat(differences).hasSize(1);7  RecursiveComparisonDifference difference = differences.get(0);8  assertThat(difference).hasPropertyOrFieldWithValue("actual", 2L);9  assertThat(difference).hasPropertyOrFieldWithValue("expected", 1L);10  assertThat(difference).hasPropertyOrFieldWithValue("path", "value");11}

compareAtomicLong

Using AI Code Generation

1package org.assertj.core.api.recursive.comparison;2import java.util.List;3import java.util.Objects;4import org.assertj.core.api.recursive.comparison.FieldLocation.FieldLocationBuilder;5import org.assertj.core.api.recursive.comparison.FieldLocation.FieldLocationType;6import org.assertj.core.internal.DeepDifference.Difference;7import org.assertj.core.util.VisibleForTesting;8import static java.util.Collections.singletonList;9import static org.assertj.core.api.recursive.comparison.FieldLocation.fieldLocation;10import static org.assertj.core.api.recursive.comparison.FieldLocationType.ATOMIC_LONG;11import static org.assertj.core.api.recursive.comparison.FieldLocationType.LONG;12import static org.assertj.core.api.recursive.comparison.RecursiveComparisonDifference.difference;13import static org.assertj.core.util.Lists.newArrayList;14import static org.assertj.core.util.Objects.areEqual;15import static org.assertj.core.util.Preconditions.checkNotNull;16import static org.assertj.core.util.Preconditions.checkState;17import static org.assertj.core.util.Preconditions.nonNull;18public class RecursiveComparisonDifferenceCalculator {19  private final List<RecursiveComparisonConfiguration> configurations;20  public RecursiveComparisonDifferenceCalculator(RecursiveComparisonConfiguration... configurations) {21    this.configurations = newArrayList(configurations);22  }23  public List<RecursiveComparisonDifference> calculateDifferences(Object actual, Object other) {24    return calculateDifferences(actual, other, newArrayList());25  }26  public List<RecursiveComparisonDifference> calculateDifferences(Object actual, Object other, List<FieldLocation> fieldLocations) {27    return calculateDifferences(actual, other, fieldLocations, newArrayList());28  }29  private List<RecursiveComparisonDifference> calculateDifferences(Object actual, Object other, List<FieldLocation> fieldLocations,30                                                                   List<Object> visited) {31    if (actual == other) return newArrayList();32    if (actual == null) return singletonList(difference(null, other, fieldLocations));33    if (other == null) return singletonList(difference(actual, null, fieldLocations));34    if (visited.contains(actual)) return newArrayList();35    visited.add(actual);36    if (actual.getClass() != other.getClass()) {

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