public void BlendAlphaCrossoverApplyTest()
{
TestRandom random = new TestRandom();
RealVector parent1, parent2, expected, actual;
DoubleValue alpha;
bool exceptionFired;
// The following test is not based on published examples
random.Reset();
random.DoubleNumbers = new double[] { 0.5, 0.5, 0.5, 0.5, 0.5 };
alpha = new DoubleValue(0.5);
parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
expected = new RealVector(new double[] { 0.3, 0.15, 0.3, 0.35, 0.45 });
actual = BlendAlphaCrossover.Apply(random, parent1, parent2, alpha);
Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
// The following test is not based on published examples
random.Reset();
random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25 };
alpha = new DoubleValue(0.25);
parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
expected = new RealVector(new double[] { 0.225, 0.1875, 0.3, 0.4625, 0.1875 });
actual = BlendAlphaCrossover.Apply(random, parent1, parent2, alpha);
Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
// The following test is not based on published examples
random.Reset();
random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25 };
alpha = new DoubleValue(-0.25); // negative values for alpha are not allowed
parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
expected = new RealVector(new double[] { 0.225, 0.1875, 0.3, 0.4625, 0.1875 });
exceptionFired = false;
try {
actual = BlendAlphaCrossover.Apply(random, parent1, parent2, alpha);
}
catch (System.ArgumentException) {
exceptionFired = true;
}
Assert.IsTrue(exceptionFired);
// The following test is not based on published examples
random.Reset();
random.DoubleNumbers = new double[] { 0.25, 0.75, 0.25, 0.75, 0.25, .75 };
alpha = new DoubleValue(0.25);
parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1, 0.9 }); // this parent is longer
parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
expected = new RealVector(new double[] { 0.225, 0.1875, 0.3, 0.4625, 0.1875 });
exceptionFired = false;
try {
actual = BlendAlphaCrossover.Apply(random, parent1, parent2, alpha);
}
catch (System.ArgumentException) {
exceptionFired = true;
}
Assert.IsTrue(exceptionFired);
}
public void SimulatedBinaryCrossoverApplyTest()
{
TestRandom random = new TestRandom();
RealVector parent1, parent2, expected, actual;
DoubleValue contiguity;
bool exceptionFired;
// The following test is not based on published examples
random.Reset();
random.DoubleNumbers = new double[] { 0.3, 0.9, 0.7, 0.2, 0.8, 0.1, 0.2, 0.3, 0.4, 0.8, 0.7 };
contiguity = new DoubleValue(0.3);
parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
expected = new RealVector(new double[] { 0.644880972204315, 0.0488239539275703, 0.3, 0.5, 0.1 });
actual = SimulatedBinaryCrossover.Apply(random, parent1, parent2, contiguity);
Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
// The following test is not based on published examples
random.Reset();
random.DoubleNumbers = new double[] { 0.3, 0.9, 0.7, 0.2, 0.8, 0.1, 0.2, 0.3, 0.4, 0.8, 0.7 };
contiguity = new DoubleValue(0.3);
parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1, 0.9 }); // this parent is longer
parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
exceptionFired = false;
try {
actual = SimulatedBinaryCrossover.Apply(random, parent1, parent2, contiguity);
}
catch (System.ArgumentException) {
exceptionFired = true;
}
Assert.IsTrue(exceptionFired);
// The following test is not based on published examples
random.Reset();
random.DoubleNumbers = new double[] { 0.3, 0.9, 0.7, 0.2, 0.8, 0.1, 0.2, 0.3, 0.4, 0.8, 0.7 };
contiguity = new DoubleValue(-0.3); // contiguity < 0
parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
exceptionFired = false;
try {
actual = SimulatedBinaryCrossover.Apply(random, parent1, parent2, contiguity);
}
catch (System.ArgumentException) {
exceptionFired = true;
}
Assert.IsTrue(exceptionFired);
}
public void UniformOnePositionManipulatorApplyTest()
{
TestRandom random = new TestRandom();
RealVector parent, expected;
DoubleMatrix bounds;
// The following test is not based on published examples
random.Reset();
random.IntNumbers = new int[] { 3 };
random.DoubleNumbers = new double[] { 0.2 };
parent = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
expected = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.3, 0.1 });
bounds = new DoubleMatrix(new double[, ] {
{ 0.2, 0.7 }
});
UniformOnePositionManipulator.Apply(random, parent, bounds);
Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(expected, parent));
}
public void MichalewiczNonUniformOnePositionManipulatorApplyTest()
{
TestRandom random = new TestRandom();
RealVector parent, expected;
DoubleValue generationsDependency;
DoubleMatrix bounds;
IntValue currentGeneration, maximumGenerations;
bool exceptionFired;
// The following test is not based on published examples
random.Reset();
random.IntNumbers = new int[] { 3 };
random.DoubleNumbers = new double[] { 0.2, 0.7 };
parent = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
expected = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.34, 0.1 });
bounds = new DoubleMatrix(new double[, ] {
{ 0.3, 0.7 }
});
generationsDependency = new DoubleValue(0.1);
currentGeneration = new IntValue(1);
maximumGenerations = new IntValue(4);
MichalewiczNonUniformOnePositionManipulator.Apply(random, parent, bounds, currentGeneration, maximumGenerations, generationsDependency);
Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(expected, parent));
// The following test is not based on published examples
exceptionFired = false;
random.Reset();
random.IntNumbers = new int[] { 3 };
random.DoubleNumbers = new double[] { 0.2, 0.7 };
parent = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
bounds = new DoubleMatrix(new double[, ] {
{ 0.3, 0.7 }
});
generationsDependency = new DoubleValue(0.1);
currentGeneration = new IntValue(5); //current generation > max generation
maximumGenerations = new IntValue(4);
try {
MichalewiczNonUniformOnePositionManipulator.Apply(random, parent, bounds, currentGeneration, maximumGenerations, generationsDependency);
} catch (System.ArgumentException) {
exceptionFired = true;
}
Assert.IsTrue(exceptionFired);
}
public void SinglePointCrossoverApplyTest()
{
TestRandom random = new TestRandom();
RealVector parent1, parent2, expected, actual;
bool exceptionFired;
// The following test is not based on published examples
random.Reset();
random.IntNumbers = new int[] { 3 };
parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1 });
parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
expected = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.2, 0.8 });
actual = SinglePointCrossover.Apply(random, parent1, parent2);
Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
// The following test is not based on published examples
random.Reset();
random.IntNumbers = new int[] { 2 };
parent1 = new RealVector(new double[] { 0.2, 0.2, 0.3, 0.5, 0.1, 0.9 }); // this parent is longer
parent2 = new RealVector(new double[] { 0.4, 0.1, 0.3, 0.2, 0.8 });
exceptionFired = false;
try {
actual = SinglePointCrossover.Apply(random, parent1, parent2);
}
catch (System.ArgumentException) {
exceptionFired = true;
}
Assert.IsTrue(exceptionFired);
// The following test is not based on published examples
random.Reset();
random.IntNumbers = new int[] { 5 }; // should not have an effect
parent1 = new RealVector(new double[] { 0.2, 0.4 });
parent2 = new RealVector(new double[] { 0.6, 0.1 });
expected = new RealVector(new double[] { 0.2, 0.1 });
actual = SinglePointCrossover.Apply(random, parent1, parent2);
Assert.IsTrue(Auxiliary.RealVectorIsAlmostEqualByPosition(actual, expected));
// The following test is not based on published examples
}
