UnorderedLocalDescriptor.java

1 
/*******************************************************************************
2 
 * Copyright (C) 2026, Leo Galambos
3 
 * All rights reserved.
4 
 *
5 
 * Redistribution and use in source and binary forms, with or without
6 
 * modification, are permitted provided that the following conditions are met:
7 
 *
8 
 * 1. Redistributions of source code must retain the above copyright notice,
9 
 *    this list of conditions and the following disclaimer.
10 
 *
11 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 
 *    this list of conditions and the following disclaimer in the documentation
13 
 *    and/or other materials provided with the distribution.
14 
 *
15 
 * 3. All advertising materials mentioning features or use of this software must
16 
 *    display the following acknowledgement:
17 
 *    This product includes software developed by the Egothor project.
18 
 *
19 
 * 4. Neither the name of the copyright holder nor the names of its contributors
20 
 *    may be used to endorse or promote products derived from this software
21 
 *    without specific prior written permission.
22 
 *
23 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
27 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 
 * POSSIBILITY OF SUCH DAMAGE.
34 
 ******************************************************************************/
35 
package org.egothor.stemmer.trie;
36
37 
import java.util.Arrays;
38 
import java.util.Collections;
39 
import java.util.HashSet;
40 
import java.util.Set;
41
42 
/**
43 
 * Local descriptor preserving only unordered {@code getAll()} membership.
44 
 */
45 
/* default */ final class UnorderedLocalDescriptor {
46
47 
    /**
48 
     * Unordered distinct values.
49 
     */
50 
    private final Set<Object> distinctValues;
51
52 
    /**
53 
     * Creates a descriptor.
54 
     *
55 
     * @param distinctValues distinct values
56 
     */
57 
    private UnorderedLocalDescriptor(final Set<Object> distinctValues) {
58 
        this.distinctValues = distinctValues;
59 
    }
60
61 
    /**
62 
     * Creates a descriptor from an ordered value array.
63 
     *
64 
     * @param orderedValues ordered values
65 
     * @return descriptor
66 
     */
67 
    @SuppressWarnings("PMD.UseVarargs")
68 
    /* default */ static UnorderedLocalDescriptor of(final Object[] orderedValues) {
69 
        final Set<Object> distinct = new HashSet<>();
70 
        distinct.addAll(Arrays.asList(orderedValues));
71 1 1. of : replaced return value with null for org/egothor/stemmer/trie/UnorderedLocalDescriptor::of → KILLED
 
        return new UnorderedLocalDescriptor(Collections.unmodifiableSet(distinct));
72 
    }
73
74 
    @Override
75 
    public int hashCode() {
76 1 1. hashCode : replaced int return with 0 for org/egothor/stemmer/trie/UnorderedLocalDescriptor::hashCode → SURVIVED
 
        return this.distinctValues.hashCode();
77 
    }
78
79 
    @Override
80 
    public boolean equals(final Object other) {
81 1 1. equals : negated conditional → KILLED
 
        if (this == other) {
82 1 1. equals : replaced boolean return with false for org/egothor/stemmer/trie/UnorderedLocalDescriptor::equals → NO_COVERAGE
 
            return true;
83 
        }
84 1 1. equals : negated conditional → KILLED
 
        if (!(other instanceof UnorderedLocalDescriptor)) {
85 1 1. equals : replaced boolean return with true for org/egothor/stemmer/trie/UnorderedLocalDescriptor::equals → KILLED
 
            return false;
86 
        }
87 
        final UnorderedLocalDescriptor that = (UnorderedLocalDescriptor) other;
88 2 1. equals : replaced boolean return with true for org/egothor/stemmer/trie/UnorderedLocalDescriptor::equals → KILLED
2. equals : replaced boolean return with false for org/egothor/stemmer/trie/UnorderedLocalDescriptor::equals → KILLED
 
        return this.distinctValues.equals(that.distinctValues);
89 
    }
90 
}

Mutations

71

1.1
Location : of
Killed by : org.egothor.stemmer.trie.UnorderedLocalDescriptorTest.[engine:junit-jupiter]/[class:org.egothor.stemmer.trie.UnorderedLocalDescriptorTest]/[method:shouldIgnoreOrderingAndDuplicatesInEqualitySemantics()] replaced return value with null for org/egothor/stemmer/trie/UnorderedLocalDescriptor::of → KILLED

76

1.1
Location : hashCode
Killed by : none replaced int return with 0 for org/egothor/stemmer/trie/UnorderedLocalDescriptor::hashCode → SURVIVED Covering tests

81

1.1
Location : equals
Killed by : org.egothor.stemmer.trie.UnorderedLocalDescriptorTest.[engine:junit-jupiter]/[class:org.egothor.stemmer.trie.UnorderedLocalDescriptorTest]/[method:shouldIgnoreOrderingAndDuplicatesInEqualitySemantics()] negated conditional → KILLED

82

1.1
Location : equals
Killed by : none replaced boolean return with false for org/egothor/stemmer/trie/UnorderedLocalDescriptor::equals → NO_COVERAGE

84

1.1
Location : equals
Killed by : org.egothor.stemmer.trie.UnorderedLocalDescriptorTest.[engine:junit-jupiter]/[class:org.egothor.stemmer.trie.UnorderedLocalDescriptorTest]/[method:shouldDefensivelyIsolateDescriptorFromSourceArrayMutation()] negated conditional → KILLED

85

1.1
Location : equals
Killed by : org.egothor.stemmer.trie.UnorderedLocalDescriptorTest.[engine:junit-jupiter]/[class:org.egothor.stemmer.trie.UnorderedLocalDescriptorTest]/[method:shouldIgnoreOrderingAndDuplicatesInEqualitySemantics()] replaced boolean return with true for org/egothor/stemmer/trie/UnorderedLocalDescriptor::equals → KILLED

88

1.1
Location : equals
Killed by : org.egothor.stemmer.trie.UnorderedLocalDescriptorTest.[engine:junit-jupiter]/[class:org.egothor.stemmer.trie.UnorderedLocalDescriptorTest]/[method:shouldIgnoreOrderingAndDuplicatesInEqualitySemantics()] replaced boolean return with true for org/egothor/stemmer/trie/UnorderedLocalDescriptor::equals → KILLED

2.2
Location : equals
Killed by : org.egothor.stemmer.trie.UnorderedLocalDescriptorTest.[engine:junit-jupiter]/[class:org.egothor.stemmer.trie.UnorderedLocalDescriptorTest]/[method:shouldDefensivelyIsolateDescriptorFromSourceArrayMutation()] replaced boolean return with false for org/egothor/stemmer/trie/UnorderedLocalDescriptor::equals → KILLED

Active mutators

Tests examined


Report generated by PIT 1.22.1