KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use Snake class of org.assertj.core.util.diff.myers package

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

Source:MyersDiff.java

...81    final int MAX = N + M + 1;82    final int size = 1 + 2 * MAX;83    final int middle = size / 2;84    final PathNode[] diagonal = new PathNode[size];85    diagonal[middle + 1] = new Snake(0, -1, null);86    for (int d = 0; d < MAX; d++) {87      for (int k = -d; k <= d; k += 2) {88        final int kmiddle = middle + k;89        final int kplus = kmiddle + 1;90        final int kminus = kmiddle - 1;91        PathNode prev;92        int i;93        if ((k == -d) || (k != d && diagonal[kminus].i < diagonal[kplus].i)) {94          i = diagonal[kplus].i;95          prev = diagonal[kplus];96        } else {97          i = diagonal[kminus].i + 1;98          prev = diagonal[kminus];99        }100        diagonal[kminus] = null; // no longer used101        int j = i - k;102        PathNode node = new DiffNode(i, j, prev);103        // orig and rev are zero-based104        // but the algorithm is one-based105        // that's why there's no +1 when indexing the sequences106        while (i < N && j < M && equals(orig.get(i), rev.get(j))) {107          i++;108          j++;109        }110        if (i > node.i) node = new Snake(i, j, node);111        diagonal[kmiddle] = node;112        if (i >= N && j >= M) return diagonal[kmiddle];113      }114      diagonal[middle + d - 1] = null;115    }116    // According to Myers, this cannot happen117    throw new IllegalStateException("could not find a diff path");118  }119  private boolean equals(T orig, T rev) {120    return equalizer.equals(orig, rev);121  }122  /**123   * Constructs a {@link Patch} from a difference path.124   *125   * @param path The path.126   * @param orig The original sequence.127   * @param rev The revised sequence.128   * @return A {@link Patch} script corresponding to the path.129   */130  public Patch<T> buildRevision(PathNode path, List<T> orig, List<T> rev) {131    checkArgument(path != null, "path is null");132    checkArgument(orig != null, "original sequence is null");133    checkArgument(rev != null, "revised sequence is null");134    Patch<T> patch = new Patch<>();135    if (path.isSnake())136      path = path.prev;137    while (path != null && path.prev != null && path.prev.j >= 0) {138      checkState(!path.isSnake(), "bad diffpath: found snake when looking for diff");139      int i = path.i;140      int j = path.j;141      path = path.prev;142      int ianchor = path.i;143      int janchor = path.j;144      Chunk<T> original = new Chunk<>(ianchor, copyOfRange(orig, ianchor, i));145      Chunk<T> revised = new Chunk<>(janchor, copyOfRange(rev, janchor, j));146      Delta<T> delta;147      if (original.size() == 0 && revised.size() != 0) {148        delta = new InsertDelta<>(original, revised);149      } else if (original.size() > 0 && revised.size() == 0) {150        delta = new DeleteDelta<>(original, revised);151      } else {152        delta = new ChangeDelta<>(original, revised);153      }154      patch.addDelta(delta);155      if (path.isSnake()) path = path.prev;156    }157    return patch;158  }159  /**160   * Creates a new list containing the elements returned by {@link List#subList(int, int)}.161   * @param original The original sequence. Must not be {@code null}.162   * @param fromIndex low endpoint (inclusive) of the subList.163   * @param to high endpoint (exclusive) of the subList.164   * @return A new list of the specified range within the original list.165  166   */167  private List<T> copyOfRange(final List<T> original, final int fromIndex, final int to) {168    return new ArrayList<>(original.subList(fromIndex, to));169  }...

Snake

Using AI Code Generation

1import org.assertj.core.util.diff.myers.*;2import org.assertj.core.util.diff.*;3import org.assertj.core.util.diff.DiffRowGenerator.*;4import org.assertj.core.util.diff.DiffRow.Tag;5import org.assertj.core.util.diff.DiffRowGenerator.*;6import org.assertj.core.util.diff.DiffRow.Tag;7import org.assertj.core.util.diff.DiffRowGenerator.*;8import org.assertj.core.util.diff.DiffRow.Tag;9import org.assertj.core.util.diff.DiffRowGenerator.*;10import org.assertj.core.util.diff.DiffRow.Tag;11import org.assertj.core.util.diff.DiffRowGenerator.*;12import org.assertj.core.util.diff.DiffRow.Tag;13import org.assertj.core.util.diff.DiffRowGenerator.*;14import org.assertj.core.util.diff.DiffRow.Tag;15import org.assertj.core.util.diff.DiffRowGenerator.*;16import org.assertj.core.util.diff.DiffRow.Tag;17import org.assertj.core.util.diff.DiffRowGenerator.*;18import org.assertj.core.util.diff.DiffRow.Tag;19import org.assertj.core.util.diff.DiffRowGenerator.*;20import org.assertj.core.util.diff.DiffRow.Tag

Snake

Using AI Code Generation

1import org.assertj.core.util.diff.myers.*;2public class DiffExample {3   public static void main(String[] args) {4      String str1 = "ABC";5      String str2 = "ABD";6      Snake snake = new Snake(str1, str2);7      snake.diff();8      snake.printDiff();9   }10}11Recommended Posts: Java | String substring() with example12Java | String replace() with example13Java | String replaceFirst() with example14Java | String toLowerCase() with example15Java | String toUpperCase() with example16Java | String trim() with example17Java | String valueOf() with example18Java | String intern() with example19Java | String hashCode() with example20Java | String getBytes() with example21Java | String equals() with example22Java | String join() with example23Java | String split() with example24Java | String charAt() with example25Java | String concat() with example26Java | String contains() with example27Java | String format() with example28Java | String length() with example29Java | String isEmpty() with example30Java | String startsWith() with example31Java | String endsWith() with example32Java | String compareTo() with example33Java | String compareToIgnoreCase() with example34Java | String copyValueOf() with example35Java | String matches() with example36Java | String lastIndexOf() with example37Java | String indexOf() with example38Java | String substring() with example39Java | String replace() with example40Java | String replaceFirst() with example41Java | String toLowerCase() with example42Java | String toUpperCase() with example43Java | String trim() with example44Java | String valueOf() with example45Java | String intern() with example46Java | String hashCode() with example47Java | String getBytes() with example48Java | String equals() with example49Java | String join() with example50Java | String split() with example51Java | String charAt() with example52Java | String concat() with example53Java | String contains() with example54Java | String format() with example55Java | String length() with example

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.