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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}

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