public void GetPairWithIncreasingOrderMaximumDifference_TakesFuncIntoAccount()
{
var result =
Pairing.GetPairWithIncreasingOrderMaximumDifference(new[] { 0, -10, 10, -11 }, (l, r) => Math.Abs(l - r));
Assert.AreEqual((0, -11), result);
}
public void GetPairWithIncreasingOrderMaximumDifference_ThrowsException_ForNullSequence()
{
Assert.Throws <ArgumentNullException>(
() => Pairing.GetPairWithIncreasingOrderMaximumDifference((int[])null, Subtract));
}
public void GetPairWithIncreasingOrderMaximumDifference_ThrowsException_ForNullFunc()
{
Assert.Throws <ArgumentNullException>(
() => Pairing.GetPairWithIncreasingOrderMaximumDifference(new int[] { }, null));
}
public void GetPairWithIncreasingOrderMaximumDifference_ReturnsThePair_ForTwoIncreasingElements()
{
var result = Pairing.GetPairWithIncreasingOrderMaximumDifference(new[] { 1, 2 }, Subtract);
Assert.AreEqual((1, 2), result);
}
public void GetPairWithIncreasingOrderMaximumDifference_ReturnsNull_ForTwoDecreasingElements()
{
var result = Pairing.GetPairWithIncreasingOrderMaximumDifference(new[] { 2, 1 }, Subtract);
Assert.IsNull(result);
}
public void GetPairWithIncreasingOrderMaximumDifference_ReturnsNull_ForEmptySequence()
{
var result = Pairing.GetPairWithIncreasingOrderMaximumDifference(new int[] { }, Subtract);
Assert.IsNull(result);
}
public void GetPairWithIncreasingOrderMaximumDifference_WorksInterruptedSequence_3()
{
var result = Pairing.GetPairWithIncreasingOrderMaximumDifference(new[] { 10, 20, 8, 19, 7, 19, 6 }, Subtract);
Assert.AreEqual((7, 19), result);
}
public void GetPairWithIncreasingOrderMaximumDifference_WorksForPerfectSequenceOfThree()
{
var result = Pairing.GetPairWithIncreasingOrderMaximumDifference(new[] { 0, 1, 2 }, Subtract);
Assert.AreEqual((0, 2), result);
}
public void GetPairWithIncreasingOrderMaximumDifference_WorksForNegative()
{
var result = Pairing.GetPairWithIncreasingOrderMaximumDifference(new[] { 0, -100, 100 }, Subtract);
Assert.AreEqual((0, 100), result);
}
