public void GivenANumber_ReturnsCollatzSequence(int number, long[] expectedCollatzSequence)
{
// arrange
var sut = new LongestCollatzSequence();
// act
var sequence = sut.FindCollatzSequence(number);
// assert
Assert.True(sequence.SequenceEqual(expectedCollatzSequence));
}
public void GivenANumber_ReturnsNumberWithLongestCollatzSequence(int max, int expectedNumberWithLongestCollatzSequence)
{
// arrange
var sut = new LongestCollatzSequence();
// act
var numberWithLongestCollatzSequence = sut.FindNumberWithLongestCollatzSequence(max);
// assert
Assert.Equal(expectedNumberWithLongestCollatzSequence, numberWithLongestCollatzSequence);
}
public void TestMethod2()
{
//Arrange
int n = 1_000_000;
int expected = 837799;
//Act
var res = LongestCollatzSequence.Solve(n);
//Assert
Assert.AreEqual(expected, res);
}
public void TestLargeBest()
{
Assert.AreEqual(837799, LongestCollatzSequence.FindNumberOfStepsInCollatzSequenceFaster(ceiling: 1000000));
}
public void TestLargeFaster()
{
Assert.AreEqual(837799, LongestCollatzSequence.FindLongestCollatzSequenceFast(ceiling: 1000000));
}
