DoubleChromosomeSwapMutationHandler.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.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.DoubleChromosome;
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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.DoubleChromosomeSpec;
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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 DoubleChromosomeSwapMutationHandler implements ChromosomeMutationHandler<DoubleChromosome> {
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	private final RandomGenerator randomGenerator;
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	public DoubleChromosomeSwapMutationHandler(final RandomGenerator _randomGenerator) {
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		Validate.notNull(_randomGenerator);
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23 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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		Validate.notNull(mutationPolicy);
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		Validate.notNull(chromosome);
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31 9 1. canHandle : replaced boolean return with true for net/bmahe/genetics4j/core/mutation/chromosome/swapmutation/DoubleChromosomeSwapMutationHandler::canHandle → NO_COVERAGE
2. canHandle : negated conditional → NO_COVERAGE
3. canHandle : Substituted 1 with 0 → NO_COVERAGE
4. canHandle : removed conditional - replaced equality check with true → NO_COVERAGE
5. canHandle : removed conditional - replaced equality check with false → NO_COVERAGE
6. canHandle : Substituted 0 with 1 → NO_COVERAGE
7. canHandle : negated conditional → NO_COVERAGE
8. canHandle : removed conditional - replaced equality check with true → NO_COVERAGE
9. canHandle : removed conditional - replaced equality check with false → NO_COVERAGE
		return mutationPolicy instanceof SwapMutation && chromosome instanceof DoubleChromosomeSpec;
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	}
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	@Override
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	public DoubleChromosome 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(SwapMutation.class, mutationPolicy);
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		Validate.isInstanceOf(DoubleChromosome.class, chromosome);
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		final SwapMutation swapMutation = (SwapMutation) mutationPolicy;
42 5 1. mutate : removed call to net/bmahe/genetics4j/core/spec/mutation/SwapMutation::numSwap → NO_COVERAGE
2. mutate : removed conditional - replaced equality check with false → NO_COVERAGE
3. mutate : removed conditional - replaced equality check with true → NO_COVERAGE
4. mutate : removed call to net/bmahe/genetics4j/core/spec/mutation/SwapMutation::isNumSwapFixed → NO_COVERAGE
5. mutate : negated conditional → NO_COVERAGE
		final int numSwap = swapMutation.isNumSwapFixed() ? swapMutation.numSwap()
43 5 1. mutate : Substituted 1 with 0 → NO_COVERAGE
2. mutate : removed call to java/util/random/RandomGenerator::nextInt → NO_COVERAGE
3. mutate : Replaced integer addition with subtraction → NO_COVERAGE
4. mutate : replaced call to java/util/random/RandomGenerator::nextInt with argument → NO_COVERAGE
5. mutate : removed call to net/bmahe/genetics4j/core/spec/mutation/SwapMutation::numSwap → NO_COVERAGE
				: 1 + randomGenerator.nextInt(swapMutation.numSwap());
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		final DoubleChromosome doubleChromosome = (DoubleChromosome) chromosome;
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47 1 1. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/DoubleChromosome::getValues → NO_COVERAGE
		final double[] values = doubleChromosome.getValues();
48 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 double[] newValues = Arrays.copyOf(values, values.length);
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50 5 1. mutate : negated conditional → NO_COVERAGE
2. mutate : changed conditional boundary → NO_COVERAGE
3. mutate : Substituted 0 with 1 → NO_COVERAGE
4. mutate : removed conditional - replaced comparison check with false → NO_COVERAGE
5. mutate : removed conditional - replaced comparison check with true → NO_COVERAGE
		for (int i = 0; i < numSwap; i++) {
51 3 1. mutate : removed call to java/util/random/RandomGenerator::nextInt → NO_COVERAGE
2. mutate : replaced call to java/util/random/RandomGenerator::nextInt with argument → NO_COVERAGE
3. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/DoubleChromosome::getNumAlleles → NO_COVERAGE
			final int value1Index = randomGenerator.nextInt(doubleChromosome.getNumAlleles());
52 3 1. mutate : removed call to java/util/random/RandomGenerator::nextInt → NO_COVERAGE
2. mutate : replaced call to java/util/random/RandomGenerator::nextInt with argument → NO_COVERAGE
3. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/DoubleChromosome::getNumAlleles → NO_COVERAGE
			final int value2Index = randomGenerator.nextInt(doubleChromosome.getNumAlleles());
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			final double value1 = newValues[value1Index];
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			final double 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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61 3 1. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/DoubleChromosome::getMinValue → NO_COVERAGE
2. mutate : replaced return value with null for net/bmahe/genetics4j/core/mutation/chromosome/swapmutation/DoubleChromosomeSwapMutationHandler::mutate → NO_COVERAGE
3. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/DoubleChromosome::getSize → NO_COVERAGE
		return new DoubleChromosome(doubleChromosome.getSize(), doubleChromosome.getMinValue(),
62 2 1. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/DoubleChromosome::getMaxValue → NO_COVERAGE
2. mutate : removed call to net/bmahe/genetics4j/core/chromosomes/DoubleChromosome::<init> → NO_COVERAGE
				doubleChromosome.getMaxValue(), newValues);
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	}
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}

Mutations

23

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

31

1.1
Location : canHandle
Killed by : none
replaced boolean return with true for net/bmahe/genetics4j/core/mutation/chromosome/swapmutation/DoubleChromosomeSwapMutationHandler::canHandle → NO_COVERAGE

2.2
Location : canHandle
Killed by : none
negated conditional → NO_COVERAGE

3.3
Location : canHandle
Killed by : none
Substituted 1 with 0 → NO_COVERAGE

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

5.5
Location : canHandle
Killed by : none
removed conditional - replaced equality check with false → NO_COVERAGE

6.6
Location : canHandle
Killed by : none
Substituted 0 with 1 → NO_COVERAGE

7.7
Location : canHandle
Killed by : none
negated conditional → NO_COVERAGE

8.8
Location : canHandle
Killed by : none
removed conditional - replaced equality check with true → NO_COVERAGE

9.9
Location : canHandle
Killed by : none
removed conditional - replaced equality check with false → NO_COVERAGE

42

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
removed conditional - replaced equality check with false → NO_COVERAGE

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

4.4
Location : mutate
Killed by : none
removed call to net/bmahe/genetics4j/core/spec/mutation/SwapMutation::isNumSwapFixed → NO_COVERAGE

5.5
Location : mutate
Killed by : none
negated conditional → NO_COVERAGE

43

1.1
Location : mutate
Killed by : none
Substituted 1 with 0 → 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
Replaced integer addition with subtraction → NO_COVERAGE

4.4
Location : mutate
Killed by : none
replaced call to java/util/random/RandomGenerator::nextInt with argument → NO_COVERAGE

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

47

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

48

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

50

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

2.2
Location : mutate
Killed by : none
changed conditional boundary → NO_COVERAGE

3.3
Location : mutate
Killed by : none
Substituted 0 with 1 → NO_COVERAGE

4.4
Location : mutate
Killed by : none
removed conditional - replaced comparison check with false → NO_COVERAGE

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

51

1.1
Location : mutate
Killed by : none
removed call to java/util/random/RandomGenerator::nextInt → 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 net/bmahe/genetics4j/core/chromosomes/DoubleChromosome::getNumAlleles → NO_COVERAGE

52

1.1
Location : mutate
Killed by : none
removed call to java/util/random/RandomGenerator::nextInt → 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 net/bmahe/genetics4j/core/chromosomes/DoubleChromosome::getNumAlleles → NO_COVERAGE

61

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

2.2
Location : mutate
Killed by : none
replaced return value with null for net/bmahe/genetics4j/core/mutation/chromosome/swapmutation/DoubleChromosomeSwapMutationHandler::mutate → NO_COVERAGE

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

62

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

2.2
Location : mutate
Killed by : none
removed call to net/bmahe/genetics4j/core/chromosomes/DoubleChromosome::<init> → NO_COVERAGE

Active mutators

Tests examined


Report generated by PIT 1.19.6