public void WhereTest()
{
Lab1 testClass = new Lab1();
IEnumerable <int> resultFibonacciNumbers = testClass.FibonacciSequence(10);
IEnumerable <int> resultFibonacciEvenNumbers = resultFibonacciNumbers.Where(fibonacciNumber => fibonacciNumber % 2 == 0);
int[] evenFibonacciExpectedNumbers = { 0, 2, 8, 34 };
CollectionAssert.AreEqual(resultFibonacciEvenNumbers.ToArray(), evenFibonacciExpectedNumbers);
}
public void EveryOtherTest()
{
string[] originalList = { "red", "green", "blue", "cyan", "magenta", "yellow", "black" };
string[] evenExpected = { "red", "blue", "magenta", "black" };
string[] oddExpected = { "green", "cyan", "yellow" };
int[] originalListNumbers = { 0, 1, 2, 3, 4, 5 };
int[] evenExpectedNumbers = { 0, 2, 4 };
int[] oddExpectedNumbers = { 1, 3, 5 };
Lab1 testClass = new Lab1();
IEnumerable <int> resultFibonacciNumbers = testClass.FibonacciSequence(10);
int[] evenFibonacciExpectedNumbers = { 0, 1, 3, 8, 21 };
int[] oddFibonacciExpectedNumbers = { 1, 2, 5, 13, 34 };
IEnumerable <string> resultEven = originalList.EveryOther(true);
IEnumerable <string> resultOdd = originalList.EveryOther(false);
IEnumerable <int> resultEvenNumbers = originalListNumbers.EveryOther(true);
IEnumerable <int> resultOddNumbers = originalListNumbers.EveryOther(false);
IEnumerable <int> resultFibonacciEvenNumbers = resultFibonacciNumbers.EveryOther(true);
IEnumerable <int> resultFibonacciOddNumbers = resultFibonacciNumbers.EveryOther(false);
CollectionAssert.AreEqual(resultEven.ToArray(), evenExpected);
CollectionAssert.AreEqual(resultOdd.ToArray(), oddExpected);
CollectionAssert.AreEqual(resultEvenNumbers.ToArray(), evenExpectedNumbers);
CollectionAssert.AreEqual(resultOddNumbers.ToArray(), oddExpectedNumbers);
CollectionAssert.AreEqual(resultEvenNumbers.ToArray(), evenExpectedNumbers);
CollectionAssert.AreEqual(resultOddNumbers.ToArray(), oddExpectedNumbers);
CollectionAssert.AreEqual(resultFibonacciEvenNumbers.ToArray(), evenFibonacciExpectedNumbers);
CollectionAssert.AreEqual(resultFibonacciOddNumbers.ToArray(), oddFibonacciExpectedNumbers);
}
public void FibonacciSequenceTest()
{
int[] expected = new int[] { 0, 1, 1, 2, 3, 5, 8, 13, 21, 34 };
Lab1 testClass = new Lab1();
IEnumerable <int> result = testClass.FibonacciSequence(10);
foreach (int number in result)
{
Console.WriteLine(number);
}
// Assert.AreEqual(expected, result.ToArray());
CollectionAssert.AreEqual(expected, result.ToArray());
}
public void GroupByTest()
{
Lab1 testClass = new Lab1();
IEnumerable <int> resultFibonacciNumbers = testClass.FibonacciSequence(10);
IEnumerable <IGrouping <string, int> > resultFibonacciEvenAndOddNumbers = resultFibonacciNumbers.GroupBy(fibonacciNumber => fibonacciNumber % 2 == 0 ? "Even" : "Odd");
int[] evenFibonacciExpectedNumbers = { 0, 2, 8, 34 };
int[] oddFibonacciExpectedNumbers = { 1, 1, 3, 5, 13, 21 };
int[] evenFibonacciResultNumbers = resultFibonacciEvenAndOddNumbers.ToArray()[0].ToArray();
int[] oddFibonacciResultNumbers = resultFibonacciEvenAndOddNumbers.ToArray()[1].ToArray();
CollectionAssert.AreEqual(evenFibonacciResultNumbers.ToArray(), evenFibonacciExpectedNumbers);
CollectionAssert.AreEqual(oddFibonacciResultNumbers.ToArray(), oddFibonacciExpectedNumbers);
}