BitChromosomeRandomMutationHandler.java

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package net.bmahe.genetics4j.core.mutation.chromosome.randommutation;
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import java.util.BitSet;
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import java.util.random.RandomGenerator;
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import org.apache.commons.lang3.Validate;
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import net.bmahe.genetics4j.core.chromosomes.BitChromosome;
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import net.bmahe.genetics4j.core.chromosomes.Chromosome;
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import net.bmahe.genetics4j.core.mutation.chromosome.ChromosomeMutationHandler;
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import net.bmahe.genetics4j.core.spec.chromosome.BitChromosomeSpec;
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import net.bmahe.genetics4j.core.spec.chromosome.ChromosomeSpec;
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import net.bmahe.genetics4j.core.spec.mutation.MutationPolicy;
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import net.bmahe.genetics4j.core.spec.mutation.RandomMutation;
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public class BitChromosomeRandomMutationHandler implements ChromosomeMutationHandler<BitChromosome> {
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	private final RandomGenerator randomGenerator;
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	public BitChromosomeRandomMutationHandler(final RandomGenerator _randomGenerator) {
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		Validate.notNull(_randomGenerator);
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23 1 1. <init> : Removed assignment to member variable randomGenerator → KILLED
 
		this.randomGenerator = _randomGenerator;
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	}
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	@Override
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	public boolean canHandle(final MutationPolicy mutationPolicy, final ChromosomeSpec chromosome) {
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		Validate.notNull(mutationPolicy);
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		Validate.notNull(chromosome);
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31 9 1. canHandle : removed conditional - replaced equality check with true → SURVIVED
2. canHandle : removed conditional - replaced equality check with true → KILLED
3. canHandle : replaced boolean return with true for net/bmahe/genetics4j/core/mutation/chromosome/randommutation/BitChromosomeRandomMutationHandler::canHandle → KILLED
4. canHandle : negated conditional → KILLED
5. canHandle : removed conditional - replaced equality check with false → KILLED
6. canHandle : Substituted 0 with 1 → KILLED
7. canHandle : Substituted 1 with 0 → KILLED
8. canHandle : negated conditional → KILLED
9. canHandle : removed conditional - replaced equality check with false → KILLED
 
		return mutationPolicy instanceof RandomMutation && chromosome instanceof BitChromosomeSpec;
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	}
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	@Override
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	public BitChromosome mutate(final MutationPolicy mutationPolicy, final Chromosome chromosome) {
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		Validate.notNull(mutationPolicy);
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		Validate.notNull(chromosome);
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		Validate.isInstanceOf(RandomMutation.class, mutationPolicy);
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		Validate.isInstanceOf(BitChromosome.class, chromosome);
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		final BitChromosome bitChromosome = (BitChromosome) chromosome;
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43 2 1. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/BitChromosome::getNumAlleles → SURVIVED
2. mutate : removed call to java/util/BitSet::<init> → KILLED
 
		final BitSet newBitSet = new BitSet(bitChromosome.getNumAlleles());
44 6 1. mutate : changed conditional boundary → SURVIVED
2. mutate : Substituted 0 with 1 → SURVIVED
3. mutate : removed conditional - replaced comparison check with true → TIMED_OUT
4. mutate : removed conditional - replaced comparison check with false → KILLED
5. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/BitChromosome::getNumAlleles → KILLED
6. mutate : negated conditional → KILLED
 
		for (int i = 0; i < bitChromosome.getNumAlleles(); i++) {
45 2 1. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/BitChromosome::getBitSet → KILLED
2. mutate : removed call to java/util/BitSet::or → KILLED
 
			newBitSet.or(bitChromosome.getBitSet());
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		}
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48 3 1. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/BitChromosome::getNumAlleles → KILLED
2. mutate : replaced call to java/util/random/RandomGenerator::nextInt with argument → KILLED
3. mutate : removed call to java/util/random/RandomGenerator::nextInt → KILLED
 
		final int bitFlipIndex = randomGenerator.nextInt(bitChromosome.getNumAlleles());
49 1 1. mutate : removed call to java/util/BitSet::flip → KILLED
 
		newBitSet.flip(bitFlipIndex);
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51 2 1. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/BitChromosome::getNumAlleles → KILLED
2. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/BitChromosome::<init> → KILLED
 
		final BitChromosome newBitChromosome = new BitChromosome(bitChromosome.getNumAlleles(), newBitSet);
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53 1 1. mutate : replaced return value with null for net/bmahe/genetics4j/core/mutation/chromosome/randommutation/BitChromosomeRandomMutationHandler::mutate → KILLED
 
		return newBitChromosome;
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	}
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}

Mutations

23

1.1
Location : <init>
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] Removed assignment to member variable randomGenerator → KILLED

31

1.1
Location : canHandle
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:canHandle()] removed conditional - replaced equality check with true → KILLED

2.2
Location : canHandle
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:canHandle()] replaced boolean return with true for net/bmahe/genetics4j/core/mutation/chromosome/randommutation/BitChromosomeRandomMutationHandler::canHandle → KILLED

3.3
Location : canHandle
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:canHandle()] negated conditional → KILLED

4.4
Location : canHandle
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:canHandle()] removed conditional - replaced equality check with false → KILLED

5.5
Location : canHandle
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:canHandle()] Substituted 0 with 1 → KILLED

6.6
Location : canHandle
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:canHandle()] Substituted 1 with 0 → KILLED

7.7
Location : canHandle
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:canHandle()] negated conditional → KILLED

8.8
Location : canHandle
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:canHandle()] removed conditional - replaced equality check with false → KILLED

9.9
Location : canHandle
Killed by : none removed conditional - replaced equality check with true → SURVIVED Covering tests

43

1.1
Location : mutate
Killed by : none removed call to net/bmahe/genetics4j/core/chromosomes/BitChromosome::getNumAlleles → SURVIVED Covering tests

2.2
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] removed call to java/util/BitSet::<init> → KILLED

44

1.1
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] removed conditional - replaced comparison check with false → KILLED

2.2
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] removed call to net/bmahe/genetics4j/core/chromosomes/BitChromosome::getNumAlleles → KILLED

3.3
Location : mutate
Killed by : none removed conditional - replaced comparison check with true → TIMED_OUT

4.4
Location : mutate
Killed by : none changed conditional boundary → SURVIVED Covering tests

5.5
Location : mutate
Killed by : none Substituted 0 with 1 → SURVIVED Covering tests

6.6
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] negated conditional → KILLED

45

1.1
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] removed call to net/bmahe/genetics4j/core/chromosomes/BitChromosome::getBitSet → KILLED

2.2
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] removed call to java/util/BitSet::or → KILLED

48

1.1
Location : mutate
Killed by : net.bmahe.genetics4j.core.EASystemTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.EASystemTest]/[method:testEvolveWithPostEvaluationProcessor()] removed call to net/bmahe/genetics4j/core/chromosomes/BitChromosome::getNumAlleles → KILLED

2.2
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] replaced call to java/util/random/RandomGenerator::nextInt with argument → KILLED

3.3
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] removed call to java/util/random/RandomGenerator::nextInt → KILLED

49

1.1
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] removed call to java/util/BitSet::flip → KILLED

51

1.1
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] removed call to net/bmahe/genetics4j/core/chromosomes/BitChromosome::getNumAlleles → KILLED

2.2
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] removed call to net/bmahe/genetics4j/core/chromosomes/BitChromosome::<init> → KILLED

53

1.1
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.chromosome.randommutation.BitChromosomeRandomMutationHandlerTest]/[method:mutateValidate()] replaced return value with null for net/bmahe/genetics4j/core/mutation/chromosome/randommutation/BitChromosomeRandomMutationHandler::mutate → KILLED

Active mutators

Tests examined


Report generated by PIT 1.20.3