Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use equals method of org.assertj.core.util.diff.myers.MyersDiff class

Best Assertj code snippet using org.assertj.core.util.diff.myers.MyersDiff.equals

Source:MyersDiff.java

...42  public MyersDiff() {43    /**	Default equalizer. */44    equalizer = new Equalizer<T>() {45      @Override46      public boolean equals(T original, T revised) {47        return original.equals(revised);48      }49    };50  }51  /**52   * Constructs an instance of the Myers differencing algorithm.53   * @param equalizer Must not be {@code null}.54   */55  public MyersDiff(final Equalizer<T> equalizer) {56    if (equalizer == null) {57      throw new IllegalArgumentException("equalizer must not be null");58    }59    this.equalizer = equalizer;60  }61  /**62   * {@inheritDoc}63   *64   * @return Returns an empty diff if get the error while procession the difference.65   */66  public Patch<T> diff(final T[] original, final T[] revised) {67    return diff(Arrays.asList(original), Arrays.asList(revised));68  }69  /**70   * {@inheritDoc}71   *72   * Return empty diff if get the error while procession the difference.73   */74  public Patch<T> diff(final List<T> original, final List<T> revised) {75    if (original == null) {76      throw new IllegalArgumentException("original list must not be null");77    }78    if (revised == null) {79      throw new IllegalArgumentException("revised list must not be null");80    }81    PathNode path;82    try {83      path = buildPath(original, revised);84      return buildRevision(path, original, revised);85    } catch (IllegalStateException e) {86      e.printStackTrace();87      return new Patch<>();88    }89  }90  /**91   * Computes the minimum diffpath that expresses de differences92   * between the original and revised sequences, according93   * to Gene Myers differencing algorithm.94   *95   * @param orig The original sequence.96   * @param rev The revised sequence.97   * @return A minimum {@link PathNode Path} accross the differences graph.98   * @throws DifferentiationFailedException if a diff path could not be found.99   */100  public PathNode buildPath(final List<T> orig, final List<T> rev) {101    if (orig == null)102      throw new IllegalArgumentException("original sequence is null");103    if (rev == null)104      throw new IllegalArgumentException("revised sequence is null");105    // these are local constants106    final int N = orig.size();107    final int M = rev.size();108    final int MAX = N + M + 1;109    final int size = 1 + 2 * MAX;110    final int middle = size / 2;111    final PathNode diagonal[] = new PathNode[size];112    diagonal[middle + 1] = new Snake(0, -1, null);113    for (int d = 0; d < MAX; d++) {114      for (int k = -d; k <= d; k += 2) {115        final int kmiddle = middle + k;116        final int kplus = kmiddle + 1;117        final int kminus = kmiddle - 1;118        PathNode prev;119        int i;120        if ((k == -d) || (k != d && diagonal[kminus].i < diagonal[kplus].i)) {121          i = diagonal[kplus].i;122          prev = diagonal[kplus];123        } else {124          i = diagonal[kminus].i + 1;125          prev = diagonal[kminus];126        }127        diagonal[kminus] = null; // no longer used128        int j = i - k;129        PathNode node = new DiffNode(i, j, prev);130        // orig and rev are zero-based131        // but the algorithm is one-based132        // that's why there's no +1 when indexing the sequences133        while (i < N && j < M && equals(orig.get(i), rev.get(j))) {134          i++;135          j++;136        }137        if (i > node.i) node = new Snake(i, j, node);138        diagonal[kmiddle] = node;139        if (i >= N && j >= M) return diagonal[kmiddle];140      }141      diagonal[middle + d - 1] = null;142    }143    // According to Myers, this cannot happen144    throw new IllegalStateException("could not find a diff path");145  }146  private boolean equals(T orig, T rev) {147    return equalizer.equals(orig, rev);148  }149  /**150   * Constructs a {@link Patch} from a difference path.151   *152   * @param path The path.153   * @param orig The original sequence.154   * @param rev The revised sequence.155   * @return A {@link Patch} script corresponding to the path.156   */157  public Patch<T> buildRevision(PathNode path, List<T> orig, List<T> rev) {158    if (path == null) throw new IllegalArgumentException("path is null");159    if (orig == null) throw new IllegalArgumentException("original sequence is null");160    if (rev == null) throw new IllegalArgumentException("revised sequence is null");161    Patch<T> patch = new Patch<>();...

equals

Using AI Code Generation

1    public static boolean equals(Object o1, Object o2) {2        if (o1 == o2) {3            return true;4        }5        if (o1 == null || o2 == null) {6            return false;7        }8        if (o1.getClass() != o2.getClass()) {9            return false;10        }11        if (o1 instanceof byte[]) {12            return Arrays.equals((byte[]) o1, (byte[]) o2);13        }14        if (o1 instanceof short[]) {15            return Arrays.equals((short[]) o1, (short[]) o2);16        }17        if (o1 instanceof int[]) {18            return Arrays.equals((int[]) o1, (int[]) o2);19        }20        if (o1 instanceof long[]) {21            return Arrays.equals((long[]) o1, (long[]) o2);22        }23        if (o1 instanceof char[]) {24            return Arrays.equals((char[]) o1, (char[]) o2);25        }26        if (o1 instanceof float[]) {27            return Arrays.equals((float[]) o1, (float[]) o2);28        }29        if (o1 instanceof double[]) {30            return Arrays.equals((double[]) o1, (double[]) o2);31        }32        if (o1 instanceof boolean[]) {33            return Arrays.equals((boolean[]) o1, (boolean[]) o2);34        }35        if (o1 instanceof Object[]) {36            return Arrays.equals((Object[]) o1, (Object[]) o2);37        }38        return o1.equals(o2);39    }40}41package org.assertj.core.util.diff.myers;42import static org.assertj.core.util.diff.myers.ArrayUtils.equals;43import java.util.Arrays;44public class ArrayUtilsTest {45    public static void main(String[] args) {46        byte[] b1 = new byte[]{1, 2, 3};47        byte[] b2 = new byte[]{1, 2, 3};48        System.out.println("b1 == b2: " + (b1 == b2));49        System.out.println("b1.equals(b2): " + b1.equals(b2));50        System.out.println("equals(b1, b2): " + equals(b1, b2));51        System.out.println("Arrays.equals(b1, b2): " + Arrays.equals(b1

equals

Using AI Code Generation

1import org.assertj.core.util.diff.myers.MyersDiff2import org.assertj.core.util.diff.myers.Equalizer3import org.assertj.core.util.diff.myers.Equalizer4import org.assertj.core.util.diff.myers.Equalizer5def equalizer = new Equalizer()6def myersDiff = new MyersDiff(equalizer)7def diff = myersDiff.diff(string1, string2)8assert diff.isEmpty()9def diff2 = myersDiff.diff(string3, string4)10assert !diff2.isEmpty()11import org.assertj.core.util.diff.myers.MyersDiff12import org.assertj.core.util.diff.myers.Equalizer13import org.assertj.core.util.diff.myers.Equalizer14import org.assertj.core.util.diff.myers.Equalizer15def equalizer = new Equalizer()16def myersDiff = new MyersDiff(equalizer)17def diff = myersDiff.diff(list1, list2)18assert diff.isEmpty()19def diff2 = myersDiff.diff(list3, list4)20assert !diff2.isEmpty()21import org.assertj.core.util.diff.myers.MyersDiff22import org.assertj.core.util.diff.myers.Equalizer23import org.assertj.core.util.diff.myers.Equalizer24import org.assertj.core.util.diff.myers.Equalizer25def equalizer = new Equalizer()26def myersDiff = new MyersDiff(equalizer)

equals

Using AI Code Generation

1import org.assertj.core.util.diff.myers.MyersDiff;2import org.assertj.core.util.diff.myers.Equalizer;3import java.io.File;4import java.io.IOException;5import java.nio.file.Files;6import java.nio.file.Paths;7import java.util.List;8public class DiffFiles {9    public static void main(String[] args) throws IOException {10        List<String> file1Lines = Files.readAllLines(Paths.get("file1.txt"));11        List<String> file2Lines = Files.readAllLines(Paths.get("file2.txt"));12        MyersDiff<String> diff = MyersDiff.diff(file1Lines, file2Lines, new Equalizer<String>() {13            public boolean equals(String s1, String s2) {14                return s1.equals(s2);15            }16        });17        System.out.println("Differences:");18        for (String line : diff.getScript()) {19            System.out.println(line);20        }21    }22}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.