public void TestMutate()
{
var input = BinaryConvertor.IntsToBinaryString(4, -123, 7, 7, 9, 0, -2);
var inputLength = input.Length;
var mutationImpls = new IMutator[]
{
new SimpleMutator(),
new RepeatableMutator(1, 1),
new RepeatableMutator(15, 0.7),
new AdaptiveMutator(1, 1),
new AdaptiveMutator(17, 1, 1, 0.5, 7),
new HackMutator(1, 1),
new HackMutator(10, 0.45)
};
foreach (var mutator in mutationImpls)
{
var algorithm = new Lab1_C.Algorithm(new AlgorithmOptions(
lowerBound: -100, // so random value won't ever match `-123`
mutator: mutator
));
var result = algorithm.Mutate(input);
Assert.AreNotEqual(input, result);
Assert.AreEqual(inputLength, result.Length);
}
}
public void TestZeroToString()
{
var expected = "".PadLeft(BinaryConvertor.IntBytes, '0');
var result = BinaryConvertor.IntsToBinaryString(0);
Assert.AreEqual(expected, result);
}
public void TestStringToZeros()
{
var input = "".PadLeft(BinaryConvertor.IntBytes * 4, '0');
var expected = new[] { 0, 0, 0, 0 };
var result = BinaryConvertor.BinaryStringToInts(input);
Assert.AreEqual(expected, result);
}
public void TestStringToInt()
{
var input = "1011010".PadLeft(BinaryConvertor.IntBytes, '0');
var expected = new[] { 0x5A };
var result = BinaryConvertor.BinaryStringToInts(input);
Assert.AreEqual(expected, result);
}
public void TestIntsToString()
{
var int1 = "1011010".PadLeft(BinaryConvertor.IntBytes, '0');
var int2 = "".PadLeft(BinaryConvertor.IntBytes, '0');
var int3 = "11111111".PadLeft(BinaryConvertor.IntBytes, '0');
var int4 = "1010101111001101".PadLeft(BinaryConvertor.IntBytes, '0');
var expected = int1 + int2 + int3 + int4;
var result = BinaryConvertor.IntsToBinaryString(0x5A, 0x0, 0xFF, 0xABCD);
Assert.AreEqual(expected, result);
}
public void TestStringToInts()
{
var int1 = "1011010".PadLeft(BinaryConvertor.IntBytes, '0');
var int2 = "".PadLeft(BinaryConvertor.IntBytes, '0');
var int3 = "11111111".PadLeft(BinaryConvertor.IntBytes, '0');
var int4 = "1010101111001101".PadLeft(BinaryConvertor.IntBytes, '0');
var input = int1 + int2 + int3 + int4;
var expected = new[] { 0x5A, 0x0, 0xFF, 0xABCD };
var result = BinaryConvertor.BinaryStringToInts(input);
Assert.AreEqual(expected, result);
}
public void TestTournament()
{
var candidates = new[]
{
BinaryConvertor.IntsToBinaryString(1, 1, 1, 1),
BinaryConvertor.IntsToBinaryString(0, 0, 0, 0),
BinaryConvertor.IntsToBinaryString(1, 0, 1, 0),
BinaryConvertor.IntsToBinaryString(1, 1, 0, 1)
}.ToList();
var expected = candidates[1];
var result = new Lab1_C.Algorithm().Tournament(new Sphere(), candidates, 4);
Assert.AreEqual(expected, result);
}
public void TestCrossoverLength()
{
var x = BinaryConvertor.IntsToBinaryString(1, 4, 6);
var y = BinaryConvertor.IntsToBinaryString(211, 0, 42);
var expected = x.Length;
var algorithm = new Lab1_C.Algorithm();
for (var i = 0; i < 100; ++i)
{
var result1 = algorithm.Crossover(x, y).Key.Length;
var result2 = algorithm.Crossover(x, y).Value.Length;
Assert.AreEqual(expected, result1);
Assert.AreEqual(expected, result2);
}
}
public void TestBinaryTournament()
{
var candidates = new[]
{
BinaryConvertor.IntsToBinaryString(12, 1, 10, 11),
BinaryConvertor.IntsToBinaryString(10, 0, 13, 0),
BinaryConvertor.IntsToBinaryString(8, 8, 0, 5)
}.ToList();
var algorithm = new Lab1_C.Algorithm();
for (var i = 0; i < 100; ++i)
{
var result = algorithm.Tournament(new Sphere(), candidates);
Assert.AreNotEqual(candidates[0], result);
}
}
