public void Operate_OneMutationDesired_ZeroMutationChance_ReturnsOriginalDv()
{
var mutator = new MutationReplaceWithRandomNumber(
0, 1);
var newDv = mutator.Operate(testDv);
Assert.Equal(testDv, newDv);
}
public void Operate_ManyMutationsDesired_ReturnsMutatedDv()
{
var mutator = new MutationReplaceWithRandomNumber(
1, 10);
var newDv = mutator.Operate(testDv);
Assert.NotEqual(testDv, newDv);
Assert.Equal(testDv.Count, newDv.Count);
Assert.True(newDv.Where((v, i) => v == testDv.ElementAt(i)).Count()
<= testDv.Count - 1);
}
public void Operate_OneMutationDesired_ReturnsMutatedDv()
{
var mutator = new MutationReplaceWithRandomNumber(
1, 1);
var newDv = mutator.Operate(testDv);
// TODO: This can fail if it generates the same value it already had!
Assert.NotEqual(testDv, newDv);
Assert.Equal(testDv.Count, newDv.Count);
Assert.Equal(testDv.Count - 1,
newDv.Where((v, i) => v == testDv.ElementAt(i)).Count());
}
