CollectionUtil.java

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package com.yubico.internal.util;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.SortedSet;
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import java.util.TreeSet;
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public class CollectionUtil {
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  /**
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   * Make an unmodifiable shallow copy of the argument.
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   *
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   * @return A shallow copy of <code>m</code> which cannot be modified
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   */
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  public static <K, V> Map<K, V> immutableMap(Map<K, V> m) {
21 1 1. immutableMap : replaced return value with Collections.emptyMap for com/yubico/internal/util/CollectionUtil::immutableMap → KILLED
 
    return Collections.unmodifiableMap(new HashMap<>(m));
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  }
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  /**
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   * Make an unmodifiable shallow copy of the argument.
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   *
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   * @return A shallow copy of <code>l</code> which cannot be modified
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   */
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  public static <T> List<T> immutableList(List<T> l) {
30 1 1. immutableList : replaced return value with Collections.emptyList for com/yubico/internal/util/CollectionUtil::immutableList → KILLED
 
    return Collections.unmodifiableList(new ArrayList<>(l));
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  }
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  /**
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   * Alias of <code>s == null ? Collections.emptyList() : CollectionUtil.immutableList(s)</code>.
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   */
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  public static <T> List<T> immutableListOrEmpty(List<T> l) {
37 2 1. immutableListOrEmpty : negated conditional → NO_COVERAGE
2. immutableListOrEmpty : replaced return value with Collections.emptyList for com/yubico/internal/util/CollectionUtil::immutableListOrEmpty → NO_COVERAGE
 
    return l == null ? Collections.emptyList() : immutableList(l);
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  }
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  /**
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   * Make an unmodifiable shallow copy of the argument.
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   *
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   * @return A shallow copy of <code>s</code> which cannot be modified
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   */
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  public static <T> Set<T> immutableSet(Set<T> s) {
46 1 1. immutableSet : replaced return value with Collections.emptySet for com/yubico/internal/util/CollectionUtil::immutableSet → KILLED
 
    return Collections.unmodifiableSet(new HashSet<>(s));
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  }
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  /** Alias of <code>s == null ? Collections.emptySet() : CollectionUtil.immutableSet(s)</code>. */
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  public static <T> Set<T> immutableSetOrEmpty(Set<T> s) {
51 2 1. immutableSetOrEmpty : replaced return value with Collections.emptySet for com/yubico/internal/util/CollectionUtil::immutableSetOrEmpty → NO_COVERAGE
2. immutableSetOrEmpty : negated conditional → NO_COVERAGE
 
    return s == null ? Collections.emptySet() : immutableSet(s);
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  }
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  /**
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   * Make an unmodifiable shallow copy of the argument.
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   *
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   * @return A shallow copy of <code>s</code> which cannot be modified
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   */
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  public static <T> SortedSet<T> immutableSortedSet(Set<T> s) {
60 1 1. immutableSortedSet : replaced return value with null for com/yubico/internal/util/CollectionUtil::immutableSortedSet → KILLED
 
    return Collections.unmodifiableSortedSet(new TreeSet<>(s));
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  }
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}

Mutations

21

1.1
Location : immutableMap
Killed by : com.yubico.internal.util.CollectionUtilSpec replaced return value with Collections.emptyMap for com/yubico/internal/util/CollectionUtil::immutableMap → KILLED
30

1.1
Location : immutableList
Killed by : com.yubico.internal.util.CollectionUtilSpec replaced return value with Collections.emptyList for com/yubico/internal/util/CollectionUtil::immutableList → KILLED
37

1.1
Location : immutableListOrEmpty
Killed by : none negated conditional → NO_COVERAGE

2.2
Location : immutableListOrEmpty
Killed by : none replaced return value with Collections.emptyList for com/yubico/internal/util/CollectionUtil::immutableListOrEmpty → NO_COVERAGE
46

1.1
Location : immutableSet
Killed by : com.yubico.internal.util.CollectionUtilSpec replaced return value with Collections.emptySet for com/yubico/internal/util/CollectionUtil::immutableSet → KILLED
51

1.1
Location : immutableSetOrEmpty
Killed by : none replaced return value with Collections.emptySet for com/yubico/internal/util/CollectionUtil::immutableSetOrEmpty → NO_COVERAGE

2.2
Location : immutableSetOrEmpty
Killed by : none negated conditional → NO_COVERAGE
60

1.1
Location : immutableSortedSet
Killed by : com.yubico.internal.util.CollectionUtilSpec replaced return value with null for com/yubico/internal/util/CollectionUtil::immutableSortedSet → KILLED

Active mutators

Tests examined


Report generated by PIT 1.15.0