public void Operate_AllConditionsPassed_ZeroMutationChance_ReturnsOriginalDv()
{
var mutator = new MutationConditional(
insideMutationDoNothing,
o => Convert.ToDouble(o) >= double.MinValue);
var newDv = mutator.Operate(testDv);
Assert.Equal(testDv, newDv);
}
public void Operate_ConditionPassesForOneElement_OneMutationDesired_ReturnsCorrectlyMutatedDv()
{
var mutator = new MutationConditional(
insideMutation,
o => Convert.ToDouble(o) < 0.01);
var newDv = mutator.Operate(testDv);
Assert.NotEqual(testDv, newDv);
Assert.Equal(testDv.Count, newDv.Count);
var changedValue = Convert.ToDouble(newDv.Last());
var oldValue = Convert.ToDouble(testDv.Last());
Assert.True(Math.Abs(Math.Abs(oldValue - changedValue) - mutation) < 1e-8);
}
public void Operate_AllConditionsPassed_OneMutationDesired_ReturnsMutatedDv()
{
var mutator = new MutationConditional(
insideMutation,
o => Convert.ToDouble(o) >= double.MinValue);
var newDv = mutator.Operate(testDv);
Assert.NotEqual(testDv, newDv);
Assert.Equal(testDv.Count, newDv.Count);
var changedValue = newDv.Where((v, i) => (double)v != (double)testDv.ElementAt(i)).Select(d => (double)d);
Assert.True(changedValue.Count() == 1);
var oldValue = testDv.Where((v, i) => (double)v != (double)newDv.ElementAt(i)).Select(d => (double)d);
Assert.True(Math.Abs(Math.Abs(oldValue.First() - changedValue.First()) - mutation) < 1e-8);
}
