IntChromosomeSwapMutationHandler.java

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package net.bmahe.genetics4j.core.mutation.chromosome.swapmutation;
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import java.util.Arrays;
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import java.util.Objects;
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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.Chromosome;
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import net.bmahe.genetics4j.core.chromosomes.IntChromosome;
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import net.bmahe.genetics4j.core.mutation.chromosome.ChromosomeMutationHandler;
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import net.bmahe.genetics4j.core.spec.chromosome.ChromosomeSpec;
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import net.bmahe.genetics4j.core.spec.chromosome.IntChromosomeSpec;
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import net.bmahe.genetics4j.core.spec.mutation.MutationPolicy;
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import net.bmahe.genetics4j.core.spec.mutation.SwapMutation;
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public class IntChromosomeSwapMutationHandler implements ChromosomeMutationHandler<IntChromosome> {
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	private final RandomGenerator randomGenerator;
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	public IntChromosomeSwapMutationHandler(final RandomGenerator _randomGenerator) {
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		Objects.requireNonNull(_randomGenerator);
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24 1 1. <init> : Removed assignment to member variable randomGenerator → SURVIVED
 
		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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		Objects.requireNonNull(mutationPolicy);
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		Objects.requireNonNull(chromosome);
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32 9 1. canHandle : removed conditional - replaced equality check with true → SURVIVED
2. canHandle : removed conditional - replaced equality check with true → SURVIVED
3. canHandle : replaced boolean return with true for net/bmahe/genetics4j/core/mutation/chromosome/swapmutation/IntChromosomeSwapMutationHandler::canHandle → SURVIVED
4. canHandle : Substituted 0 with 1 → NO_COVERAGE
5. canHandle : removed conditional - replaced equality check with false → KILLED
6. canHandle : negated conditional → KILLED
7. canHandle : removed conditional - replaced equality check with false → KILLED
8. canHandle : Substituted 1 with 0 → KILLED
9. canHandle : negated conditional → KILLED
 
		return mutationPolicy instanceof SwapMutation && chromosome instanceof IntChromosomeSpec;
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	}
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	@Override
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	public IntChromosome mutate(final MutationPolicy mutationPolicy, final Chromosome chromosome) {
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		Objects.requireNonNull(mutationPolicy);
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		Objects.requireNonNull(chromosome);
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		Validate.isInstanceOf(SwapMutation.class, mutationPolicy);
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		Validate.isInstanceOf(IntChromosome.class, chromosome);
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		final SwapMutation swapMutation = (SwapMutation) mutationPolicy;
43 5 1. mutate : removed call to net/bmahe/genetics4j/core/spec/mutation/SwapMutation::isNumSwapFixed → NO_COVERAGE
2. mutate : removed conditional - replaced equality check with true → NO_COVERAGE
3. mutate : removed conditional - replaced equality check with false → NO_COVERAGE
4. mutate : negated conditional → NO_COVERAGE
5. mutate : removed call to net/bmahe/genetics4j/core/spec/mutation/SwapMutation::numSwap → NO_COVERAGE
 
		final int numSwap = swapMutation.isNumSwapFixed() ? swapMutation.numSwap()
44 5 1. mutate : removed call to net/bmahe/genetics4j/core/spec/mutation/SwapMutation::numSwap → NO_COVERAGE
2. mutate : Substituted 1 with 0 → NO_COVERAGE
3. mutate : replaced call to java/util/random/RandomGenerator::nextInt with argument → NO_COVERAGE
4. mutate : Replaced integer addition with subtraction → NO_COVERAGE
5. mutate : removed call to java/util/random/RandomGenerator::nextInt → NO_COVERAGE
 
				: 1 + randomGenerator.nextInt(swapMutation.numSwap());
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		final IntChromosome intChromosome = (IntChromosome) chromosome;
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48 1 1. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::getValues → NO_COVERAGE
 
		final int[] values = intChromosome.getValues();
49 2 1. mutate : replaced call to java/util/Arrays::copyOf with argument → NO_COVERAGE
2. mutate : removed call to java/util/Arrays::copyOf → NO_COVERAGE
 
		final int[] newValues = Arrays.copyOf(values, values.length);
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51 5 1. mutate : Substituted 0 with 1 → NO_COVERAGE
2. mutate : removed conditional - replaced comparison check with false → NO_COVERAGE
3. mutate : changed conditional boundary → NO_COVERAGE
4. mutate : negated conditional → NO_COVERAGE
5. mutate : removed conditional - replaced comparison check with true → NO_COVERAGE
 
		for (int i = 0; i < numSwap; i++) {
52 3 1. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::getNumAlleles → NO_COVERAGE
2. mutate : replaced call to java/util/random/RandomGenerator::nextInt with argument → NO_COVERAGE
3. mutate : removed call to java/util/random/RandomGenerator::nextInt → NO_COVERAGE
 
			final int value1Index = randomGenerator.nextInt(intChromosome.getNumAlleles());
53 3 1. mutate : replaced call to java/util/random/RandomGenerator::nextInt with argument → NO_COVERAGE
2. mutate : removed call to java/util/random/RandomGenerator::nextInt → NO_COVERAGE
3. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::getNumAlleles → NO_COVERAGE
 
			final int value2Index = randomGenerator.nextInt(intChromosome.getNumAlleles());
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			final int value1 = newValues[value1Index];
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			final int value2 = newValues[value2Index];
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			newValues[value1Index] = value2;
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			newValues[value2Index] = value1;
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		}
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62 2 1. mutate : replaced return value with null for net/bmahe/genetics4j/core/mutation/chromosome/swapmutation/IntChromosomeSwapMutationHandler::mutate → NO_COVERAGE
2. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::getSize → NO_COVERAGE
 
		return new IntChromosome(intChromosome.getSize(),
63 1 1. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::getMinValue → NO_COVERAGE
 
				intChromosome.getMinValue(),
64 2 1. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::<init> → NO_COVERAGE
2. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::getMaxValue → NO_COVERAGE
 
				intChromosome.getMaxValue(),
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				newValues);
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	}
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}

Mutations

24

1.1
Location : <init>
Killed by : none Removed assignment to member variable randomGenerator → SURVIVED Covering tests

32

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

2.2
Location : canHandle
Killed by : none removed conditional - replaced equality check with true → SURVIVED Covering tests

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

4.4
Location : canHandle
Killed by : none removed conditional - replaced equality check with true → SURVIVED Covering tests

5.5
Location : canHandle
Killed by : net.bmahe.genetics4j.core.mutation.SupersimpleTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.SupersimpleTest]/[method:simple()] removed conditional - replaced equality check with false → KILLED

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

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

8.8
Location : canHandle
Killed by : none replaced boolean return with true for net/bmahe/genetics4j/core/mutation/chromosome/swapmutation/IntChromosomeSwapMutationHandler::canHandle → SURVIVED Covering tests

9.9
Location : canHandle
Killed by : none Substituted 0 with 1 → NO_COVERAGE

43

1.1
Location : mutate
Killed by : none removed call to net/bmahe/genetics4j/core/spec/mutation/SwapMutation::isNumSwapFixed → NO_COVERAGE

2.2
Location : mutate
Killed by : none removed conditional - replaced equality check with true → NO_COVERAGE

3.3
Location : mutate
Killed by : none removed conditional - replaced equality check with false → NO_COVERAGE

4.4
Location : mutate
Killed by : none negated conditional → NO_COVERAGE

5.5
Location : mutate
Killed by : none removed call to net/bmahe/genetics4j/core/spec/mutation/SwapMutation::numSwap → NO_COVERAGE

44

1.1
Location : mutate
Killed by : none removed call to net/bmahe/genetics4j/core/spec/mutation/SwapMutation::numSwap → NO_COVERAGE

2.2
Location : mutate
Killed by : none Substituted 1 with 0 → NO_COVERAGE

3.3
Location : mutate
Killed by : none replaced call to java/util/random/RandomGenerator::nextInt with argument → NO_COVERAGE

4.4
Location : mutate
Killed by : none Replaced integer addition with subtraction → NO_COVERAGE

5.5
Location : mutate
Killed by : none removed call to java/util/random/RandomGenerator::nextInt → NO_COVERAGE

48

1.1
Location : mutate
Killed by : none removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::getValues → NO_COVERAGE

49

1.1
Location : mutate
Killed by : none replaced call to java/util/Arrays::copyOf with argument → NO_COVERAGE

2.2
Location : mutate
Killed by : none removed call to java/util/Arrays::copyOf → NO_COVERAGE

51

1.1
Location : mutate
Killed by : none Substituted 0 with 1 → NO_COVERAGE

2.2
Location : mutate
Killed by : none removed conditional - replaced comparison check with false → NO_COVERAGE

3.3
Location : mutate
Killed by : none changed conditional boundary → NO_COVERAGE

4.4
Location : mutate
Killed by : none negated conditional → NO_COVERAGE

5.5
Location : mutate
Killed by : none removed conditional - replaced comparison check with true → NO_COVERAGE

52

1.1
Location : mutate
Killed by : none removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::getNumAlleles → NO_COVERAGE

2.2
Location : mutate
Killed by : none replaced call to java/util/random/RandomGenerator::nextInt with argument → NO_COVERAGE

3.3
Location : mutate
Killed by : none removed call to java/util/random/RandomGenerator::nextInt → NO_COVERAGE

53

1.1
Location : mutate
Killed by : none replaced call to java/util/random/RandomGenerator::nextInt with argument → NO_COVERAGE

2.2
Location : mutate
Killed by : none removed call to java/util/random/RandomGenerator::nextInt → NO_COVERAGE

3.3
Location : mutate
Killed by : none removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::getNumAlleles → NO_COVERAGE

62

1.1
Location : mutate
Killed by : none replaced return value with null for net/bmahe/genetics4j/core/mutation/chromosome/swapmutation/IntChromosomeSwapMutationHandler::mutate → NO_COVERAGE

2.2
Location : mutate
Killed by : none removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::getSize → NO_COVERAGE

63

1.1
Location : mutate
Killed by : none removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::getMinValue → NO_COVERAGE

64

1.1
Location : mutate
Killed by : none removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::<init> → NO_COVERAGE

2.2
Location : mutate
Killed by : none removed call to net/bmahe/genetics4j/core/chromosomes/IntChromosome::getMaxValue → NO_COVERAGE

Active mutators

Tests examined


Report generated by PIT 1.25.7 support