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); }