BitChromosome.java

package net.bmahe.genetics4j.core.chromosomes;

import java.util.BitSet;

import org.apache.commons.lang3.Validate;

/**
 * A chromosome implementation that represents genetic information as a sequence of bits.
 * 
 * <p>BitChromosome is commonly used for binary optimization problems, feature selection,
 * and any application where the solution can be encoded as a bit string. Each bit (allele)
 * can be either 0 or 1, representing boolean choices or binary features.
 * 
 * <p>This implementation is immutable and uses a {@link BitSet} for efficient storage
 * and manipulation of the bit sequence.
 * 
 * <p>Common use cases include:
 * <ul>
 * <li>Binary optimization problems (knapsack, subset selection)</li>
 * <li>Feature selection in machine learning</li>
 * <li>Boolean satisfiability problems</li>
 * <li>Circuit design and logic optimization</li>
 * </ul>
 * 
 * @see Chromosome
 * @see java.util.BitSet
 */
public class BitChromosome implements Chromosome {

	private final int numBits;
	private final BitSet bitSet;

	/**
	 * Creates a new bit chromosome with the specified number of bits and initial values.
	 * 
	 * @param _numBits the number of bits in this chromosome, must be positive
	 * @param _bitSet the initial bit values for this chromosome
	 * @throws IllegalArgumentException if numBits is zero or negative, if bitSet is null,
	 *                                  or if numBits exceeds the bitSet size
	 */
	public BitChromosome(final int _numBits, final BitSet _bitSet) {
		Validate.isTrue(_numBits > 0, "numBits can't be zero or negative");
		Validate.notNull(_bitSet);
		Validate.isTrue(_numBits <= _bitSet.size());

		this.numBits = _numBits;
		this.bitSet = new BitSet(numBits);
		this.bitSet.or(_bitSet);
	}

	@Override
	public int getNumAlleles() {
		return numBits;
	}

	/**
	 * Returns the bit value at the specified index.
	 * 
	 * @param index the index of the bit to retrieve (0-based)
	 * @return {@code true} if the bit is set (1), {@code false} if clear (0)
	 * @throws IllegalArgumentException if index is negative or greater than or equal to numBits
	 */
	public boolean getBit(final int index) {
		Validate.isTrue(index >= 0);
		Validate.isTrue(index < numBits);

		return bitSet.get(index);
	}

	/**
	 * Returns the underlying BitSet containing all bit values.
	 * 
	 * <p>The returned BitSet is a copy and modifications to it will not affect this chromosome.
	 * 
	 * @return a BitSet containing the bit values of this chromosome
	 */
	public BitSet getBitSet() {
		return bitSet;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((bitSet == null) ? 0 : bitSet.hashCode());
		result = prime * result + numBits;
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		BitChromosome other = (BitChromosome) obj;
		if (bitSet == null) {
			if (other.bitSet != null)
				return false;
		} else if (!bitSet.equals(other.bitSet))
			return false;
		if (numBits != other.numBits)
			return false;
		return true;
	}

	@Override
	public String toString() {
		return "BitChromosome [numBits=" + numBits + ", bitSet=" + bitSet + "]";
	}
}




























Active mutators

CONDITIONALS_BOUNDARY
CONSTRUCTOR_CALLS
EMPTY_RETURNS
EXPERIMENTAL_ARGUMENT_PROPAGATION
EXPERIMENTAL_BIG_DECIMAL
EXPERIMENTAL_BIG_INTEGER
EXPERIMENTAL_MEMBER_VARIABLE
EXPERIMENTAL_NAKED_RECEIVER
EXPERIMENTAL_REMOVE_SWITCH_MUTATOR_[0-99]
EXPERIMENTAL_SWITCH
FALSE_RETURNS
INCREMENTS
INLINE_CONSTS
INVERT_NEGS
MATH
NEGATE_CONDITIONALS
NON_VOID_METHOD_CALLS
NULL_RETURNS
PRIMITIVE_RETURNS
REMOVE_CONDITIONALS_EQUAL_ELSE
REMOVE_CONDITIONALS_EQUAL_IF
REMOVE_CONDITIONALS_ORDER_ELSE
REMOVE_CONDITIONALS_ORDER_IF
REMOVE_INCREMENTS
TRUE_RETURNS
VOID_METHOD_CALLS

Tests examined

net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] (8 ms)
net.bmahe.genetics4j.core.GenotypeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.GenotypeTest]/[method:simple()] (1 ms)
net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] (1 ms)
net.bmahe.genetics4j.core.EASystemTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.EASystemTest]/[method:testEvaluateOnce()] (8 ms)
net.bmahe.genetics4j.core.EASystemTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.EASystemTest]/[method:testEvaluateOnceWithDifferentGenerations()] (18 ms)
net.bmahe.genetics4j.core.EASystemTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.EASystemTest]/[method:testEvolveWithPostEvaluationProcessor()] (23 ms)
net.bmahe.genetics4j.core.EASystemTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.EASystemTest]/[method:testEvolveWithBitChromosome()] (59 ms)
net.bmahe.genetics4j.core.combination.singlepointcrossover.BitChromosomeSinglePointCrossoverTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.combination.singlepointcrossover.BitChromosomeSinglePointCrossoverTest]/[method:combineTest()] (1 ms)
net.bmahe.genetics4j.core.combination.multipointcrossover.BitChromosomeMultiPointCrossoverTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.combination.multipointcrossover.BitChromosomeMultiPointCrossoverTest]/[method:combineTest()] (2 ms)
net.bmahe.genetics4j.core.util.GenotypeGeneratorTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.util.GenotypeGeneratorTest]/[method:usingDefaultGenerator()] (5 ms)
net.bmahe.genetics4j.core.chromosomes.factory.BitChromosomeFactoryTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.factory.BitChromosomeFactoryTest]/[method:generateTest()] (1315 ms)
net.bmahe.genetics4j.core.EASystemTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.EASystemTest]/[method:testEvolveWithImmediateTermination()] (1733 ms)

Report generated by PIT 1.19.6

1		package net.bmahe.genetics4j.core.chromosomes;
2
3		import java.util.BitSet;
4
5		import org.apache.commons.lang3.Validate;
6
7		/**
8		* A chromosome implementation that represents genetic information as a sequence of bits.
9		*
10		* <p>BitChromosome is commonly used for binary optimization problems, feature selection,
11		* and any application where the solution can be encoded as a bit string. Each bit (allele)
12		* can be either 0 or 1, representing boolean choices or binary features.
13		*
14		* <p>This implementation is immutable and uses a {@link BitSet} for efficient storage
15		* and manipulation of the bit sequence.
16		*
17		* <p>Common use cases include:
18		* <ul>
19		* <li>Binary optimization problems (knapsack, subset selection)</li>
20		* <li>Feature selection in machine learning</li>
21		* <li>Boolean satisfiability problems</li>
22		* <li>Circuit design and logic optimization</li>
23		* </ul>
24		*
25		* @see Chromosome
26		* @see java.util.BitSet
27		*/
28		public class BitChromosome implements Chromosome {
29
30		private final int numBits;
31		private final BitSet bitSet;
32
33		/**
34		* Creates a new bit chromosome with the specified number of bits and initial values.
35		*
36		* @param _numBits the number of bits in this chromosome, must be positive
37		* @param _bitSet the initial bit values for this chromosome
38		* @throws IllegalArgumentException if numBits is zero or negative, if bitSet is null,
39		* or if numBits exceeds the bitSet size
40		*/
41		public BitChromosome(final int _numBits, final BitSet _bitSet) {
42		Validate.isTrue(_numBits > 0, "numBits can't be zero or negative");
43		Validate.notNull(_bitSet);
44		Validate.isTrue(_numBits <= _bitSet.size());
45
46	1 1. <init> : Removed assignment to member variable numBits → KILLED	this.numBits = _numBits;
47	2 1. <init> : Removed assignment to member variable bitSet → KILLED 2. <init> : removed call to java/util/BitSet::<init> → KILLED	this.bitSet = new BitSet(numBits);
48	1 1. <init> : removed call to java/util/BitSet::or → KILLED	this.bitSet.or(_bitSet);
49		}
50
51		@Override
52		public int getNumAlleles() {
53	1 1. getNumAlleles : replaced int return with 0 for net/bmahe/genetics4j/core/chromosomes/BitChromosome::getNumAlleles → KILLED	return numBits;
54		}
55
56		/**
57		* Returns the bit value at the specified index.
58		*
59		* @param index the index of the bit to retrieve (0-based)
60		* @return {@code true} if the bit is set (1), {@code false} if clear (0)
61		* @throws IllegalArgumentException if index is negative or greater than or equal to numBits
62		*/
63		public boolean getBit(final int index) {
64		Validate.isTrue(index >= 0);
65		Validate.isTrue(index < numBits);
66
67	3 1. getBit : removed call to java/util/BitSet::get → KILLED 2. getBit : replaced boolean return with true for net/bmahe/genetics4j/core/chromosomes/BitChromosome::getBit → KILLED 3. getBit : replaced boolean return with false for net/bmahe/genetics4j/core/chromosomes/BitChromosome::getBit → KILLED	return bitSet.get(index);
68		}
69
70		/**
71		* Returns the underlying BitSet containing all bit values.
72		*
73		* <p>The returned BitSet is a copy and modifications to it will not affect this chromosome.
74		*
75		* @return a BitSet containing the bit values of this chromosome
76		*/
77		public BitSet getBitSet() {
78	1 1. getBitSet : replaced return value with null for net/bmahe/genetics4j/core/chromosomes/BitChromosome::getBitSet → KILLED	return bitSet;
79		}
80
81		@Override
82		public int hashCode() {
83	1 1. hashCode : Substituted 31 with 32 → NO_COVERAGE	final int prime = 31;
84	1 1. hashCode : Substituted 1 with 0 → NO_COVERAGE	int result = 1;
85	8 1. hashCode : Replaced integer addition with subtraction → NO_COVERAGE 2. hashCode : negated conditional → NO_COVERAGE 3. hashCode : Substituted 31 with 32 → NO_COVERAGE 4. hashCode : removed conditional - replaced equality check with true → NO_COVERAGE 5. hashCode : removed conditional - replaced equality check with false → NO_COVERAGE 6. hashCode : Substituted 0 with 1 → NO_COVERAGE 7. hashCode : Replaced integer multiplication with division → NO_COVERAGE 8. hashCode : removed call to java/util/BitSet::hashCode → NO_COVERAGE	result = prime * result + ((bitSet == null) ? 0 : bitSet.hashCode());
86	3 1. hashCode : Replaced integer addition with subtraction → NO_COVERAGE 2. hashCode : Substituted 31 with 32 → NO_COVERAGE 3. hashCode : Replaced integer multiplication with division → NO_COVERAGE	result = prime * result + numBits;
87	1 1. hashCode : replaced int return with 0 for net/bmahe/genetics4j/core/chromosomes/BitChromosome::hashCode → NO_COVERAGE	return result;
88		}
89
90		@Override
91		public boolean equals(Object obj) {
92	2 1. equals : negated conditional → SURVIVED 2. equals : removed conditional - replaced equality check with true → SURVIVED	if (this == obj)
93	2 1. equals : Substituted 1 with 0 → KILLED 2. equals : replaced boolean return with false for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → KILLED	return true;
94	3 1. equals : removed conditional - replaced equality check with false → SURVIVED 2. equals : removed conditional - replaced equality check with true → KILLED 3. equals : negated conditional → KILLED	if (obj == null)
95	2 1. equals : replaced boolean return with true for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → NO_COVERAGE 2. equals : Substituted 0 with 1 → NO_COVERAGE	return false;
96	5 1. equals : removed call to java/lang/Object::getClass → KILLED 2. equals : removed conditional - replaced equality check with true → KILLED 3. equals : removed conditional - replaced equality check with false → KILLED 4. equals : negated conditional → KILLED 5. equals : removed call to java/lang/Object::getClass → KILLED	if (getClass() != obj.getClass())
97	2 1. equals : replaced boolean return with true for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → SURVIVED 2. equals : Substituted 0 with 1 → SURVIVED	return false;
98		BitChromosome other = (BitChromosome) obj;
99	3 1. equals : removed conditional - replaced equality check with false → SURVIVED 2. equals : removed conditional - replaced equality check with true → KILLED 3. equals : negated conditional → KILLED	if (bitSet == null) {
100	3 1. equals : removed conditional - replaced equality check with false → NO_COVERAGE 2. equals : removed conditional - replaced equality check with true → NO_COVERAGE 3. equals : negated conditional → NO_COVERAGE	if (other.bitSet != null)
101	2 1. equals : Substituted 0 with 1 → NO_COVERAGE 2. equals : replaced boolean return with true for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → NO_COVERAGE	return false;
102	4 1. equals : removed conditional - replaced equality check with false → SURVIVED 2. equals : removed conditional - replaced equality check with true → KILLED 3. equals : negated conditional → KILLED 4. equals : removed call to java/util/BitSet::equals → KILLED	} else if (!bitSet.equals(other.bitSet))
103	2 1. equals : replaced boolean return with true for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → NO_COVERAGE 2. equals : Substituted 0 with 1 → NO_COVERAGE	return false;
104	3 1. equals : removed conditional - replaced equality check with false → SURVIVED 2. equals : negated conditional → KILLED 3. equals : removed conditional - replaced equality check with true → KILLED	if (numBits != other.numBits)
105	2 1. equals : replaced boolean return with true for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → NO_COVERAGE 2. equals : Substituted 0 with 1 → NO_COVERAGE	return false;
106	2 1. equals : replaced boolean return with false for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → KILLED 2. equals : Substituted 1 with 0 → KILLED	return true;
107		}
108
109		@Override
110		public String toString() {
111	2 1. toString : removed call to java/lang/String::valueOf → NO_COVERAGE 2. toString : replaced return value with "" for net/bmahe/genetics4j/core/chromosomes/BitChromosome::toString → NO_COVERAGE	return "BitChromosome [numBits=" + numBits + ", bitSet=" + bitSet + "]";
112		}
113		}
		Mutations
46		1.1 Location : <init> Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] Removed assignment to member variable numBits → KILLED
47		1.1 Location : <init> Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] Removed assignment to member variable bitSet → KILLED 2.2 Location : <init> Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] removed call to java/util/BitSet::<init> → KILLED
48		1.1 Location : <init> Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] removed call to java/util/BitSet::or → KILLED
53		1.1 Location : getNumAlleles Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] replaced int return with 0 for net/bmahe/genetics4j/core/chromosomes/BitChromosome::getNumAlleles → KILLED
67		1.1 Location : getBit Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] removed call to java/util/BitSet::get → KILLED 2.2 Location : getBit Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] replaced boolean return with true for net/bmahe/genetics4j/core/chromosomes/BitChromosome::getBit → KILLED 3.3 Location : getBit Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] replaced boolean return with false for net/bmahe/genetics4j/core/chromosomes/BitChromosome::getBit → KILLED
78		1.1 Location : getBitSet Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] replaced return value with null for net/bmahe/genetics4j/core/chromosomes/BitChromosome::getBitSet → KILLED
83		1.1 Location : hashCode Killed by : none Substituted 31 with 32 → NO_COVERAGE
84		1.1 Location : hashCode Killed by : none Substituted 1 with 0 → NO_COVERAGE
85		1.1 Location : hashCode Killed by : none Replaced integer addition with subtraction → NO_COVERAGE 2.2 Location : hashCode Killed by : none negated conditional → NO_COVERAGE 3.3 Location : hashCode Killed by : none Substituted 31 with 32 → NO_COVERAGE 4.4 Location : hashCode Killed by : none removed conditional - replaced equality check with true → NO_COVERAGE 5.5 Location : hashCode Killed by : none removed conditional - replaced equality check with false → NO_COVERAGE 6.6 Location : hashCode Killed by : none Substituted 0 with 1 → NO_COVERAGE 7.7 Location : hashCode Killed by : none Replaced integer multiplication with division → NO_COVERAGE 8.8 Location : hashCode Killed by : none removed call to java/util/BitSet::hashCode → NO_COVERAGE
86		1.1 Location : hashCode Killed by : none Replaced integer addition with subtraction → NO_COVERAGE 2.2 Location : hashCode Killed by : none Substituted 31 with 32 → NO_COVERAGE 3.3 Location : hashCode Killed by : none Replaced integer multiplication with division → NO_COVERAGE
87		1.1 Location : hashCode Killed by : none replaced int return with 0 for net/bmahe/genetics4j/core/chromosomes/BitChromosome::hashCode → NO_COVERAGE
92		1.1 Location : equals Killed by : none negated conditional → SURVIVED Covering tests Covered by tests: net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] net.bmahe.genetics4j.core.GenotypeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.GenotypeTest]/[method:simple()] 2.2 Location : equals Killed by : none removed conditional - replaced equality check with true → SURVIVED Covering tests Covered by tests: net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] net.bmahe.genetics4j.core.GenotypeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.GenotypeTest]/[method:simple()]
93		1.1 Location : equals Killed by : net.bmahe.genetics4j.core.GenotypeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.GenotypeTest]/[method:simple()] Substituted 1 with 0 → KILLED 2.2 Location : equals Killed by : net.bmahe.genetics4j.core.GenotypeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.GenotypeTest]/[method:simple()] replaced boolean return with false for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → KILLED
94		1.1 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] removed conditional - replaced equality check with true → KILLED 2.2 Location : equals Killed by : none removed conditional - replaced equality check with false → SURVIVED Covering tests Covered by tests: net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] net.bmahe.genetics4j.core.GenotypeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.GenotypeTest]/[method:simple()] 3.3 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] negated conditional → KILLED
95		1.1 Location : equals Killed by : none replaced boolean return with true for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → NO_COVERAGE 2.2 Location : equals Killed by : none Substituted 0 with 1 → NO_COVERAGE
96		1.1 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] removed call to java/lang/Object::getClass → KILLED 2.2 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] removed conditional - replaced equality check with true → KILLED 3.3 Location : equals Killed by : net.bmahe.genetics4j.core.GenotypeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.GenotypeTest]/[method:simple()] removed conditional - replaced equality check with false → KILLED 4.4 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] negated conditional → KILLED 5.5 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] removed call to java/lang/Object::getClass → KILLED
97		1.1 Location : equals Killed by : none replaced boolean return with true for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → SURVIVED Covering tests Covered by tests: net.bmahe.genetics4j.core.GenotypeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.GenotypeTest]/[method:simple()] 2.2 Location : equals Killed by : none Substituted 0 with 1 → SURVIVED Covering tests Covered by tests: net.bmahe.genetics4j.core.GenotypeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.GenotypeTest]/[method:simple()]
99		1.1 Location : equals Killed by : none removed conditional - replaced equality check with false → SURVIVED Covering tests Covered by tests: net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] 2.2 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] removed conditional - replaced equality check with true → KILLED 3.3 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] negated conditional → KILLED
100		1.1 Location : equals Killed by : none removed conditional - replaced equality check with false → NO_COVERAGE 2.2 Location : equals Killed by : none removed conditional - replaced equality check with true → NO_COVERAGE 3.3 Location : equals Killed by : none negated conditional → NO_COVERAGE
101		1.1 Location : equals Killed by : none Substituted 0 with 1 → NO_COVERAGE 2.2 Location : equals Killed by : none replaced boolean return with true for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → NO_COVERAGE
102		1.1 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] removed conditional - replaced equality check with true → KILLED 2.2 Location : equals Killed by : none removed conditional - replaced equality check with false → SURVIVED Covering tests Covered by tests: net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] 3.3 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] negated conditional → KILLED 4.4 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] removed call to java/util/BitSet::equals → KILLED
103		1.1 Location : equals Killed by : none replaced boolean return with true for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → NO_COVERAGE 2.2 Location : equals Killed by : none Substituted 0 with 1 → NO_COVERAGE
104		1.1 Location : equals Killed by : none removed conditional - replaced equality check with false → SURVIVED Covering tests Covered by tests: net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] 2.2 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] negated conditional → KILLED 3.3 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] removed conditional - replaced equality check with true → KILLED
105		1.1 Location : equals Killed by : none replaced boolean return with true for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → NO_COVERAGE 2.2 Location : equals Killed by : none Substituted 0 with 1 → NO_COVERAGE
106		1.1 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] replaced boolean return with false for net/bmahe/genetics4j/core/chromosomes/BitChromosome::equals → KILLED 2.2 Location : equals Killed by : net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.chromosomes.BitChromosomeTest]/[method:simple()] Substituted 1 with 0 → KILLED
111		1.1 Location : toString Killed by : none removed call to java/lang/String::valueOf → NO_COVERAGE 2.2 Location : toString Killed by : none replaced return value with "" for net/bmahe/genetics4j/core/chromosomes/BitChromosome::toString → NO_COVERAGE

BitChromosome.java

Mutations

Active mutators

Tests examined