public void GetMember_ReturnsCorrectNumber_ForGivenIndex()
{
var expected = new[]
{ 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765 };
for (var i = 0; i < expected.Length; i++)
{
var result = FibonacciSequence.GetMember(i);
Assert.AreEqual(expected[i], result);
}
}
public void Enumerate_ThrowsException_ForNegativeCount()
{
Assert.Throws <ArgumentOutOfRangeException>(() =>
FibonacciSequence.Enumerate(-1));
}
public void Enumerate_ReturnsNothing_ForZeroCount()
{
TestHelper.AssertSequence(
FibonacciSequence.Enumerate(0));
}
public void Enumerate_ReturnsCorrectSequence_ForLongCount()
{
TestHelper.AssertSequence(
FibonacciSequence.Enumerate(21),
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765);
}
public void Enumerate_ReturnsCorrectSequence_ForCountOfTwo()
{
TestHelper.AssertSequence(
FibonacciSequence.Enumerate(2),
0, 1);
}
public void GetMember_ThrowsException_ForNegativeIndex()
{
Assert.Throws <ArgumentOutOfRangeException>(() => FibonacciSequence.GetMember(-1));
}
