public void GetSubsetWithNearValue_ReturnsNothing_ForEmptyArray()
{
var array = new int[] { };
TestHelper.AssertSequence(
Set.GetSubsetWithNearValue(array, 1));
}
public void GetSubsetWithNearValue_ReturnsNothing_WhenSumCannotBeCompleted()
{
var array = new[] { 2, 3, 4 };
TestHelper.AssertSequence(
Set.GetSubsetWithNearValue(array, 1));
}
public void GetSubsetWithNearValue_ReturnsTen_ForASumOfEleven_ExcludingFive()
{
var array = new[] { 5, 10 };
TestHelper.AssertSequence(
Set.GetSubsetWithNearValue(array, 11),
10);
}
public void GetSubsetWithNearValue_ReturnsOneTwoThree_ForASumOfTen()
{
var array = new[] { 1, 2, 3 };
TestHelper.AssertSequence(
Set.GetSubsetWithNearValue(array, 10),
3, 2, 1);
}
public void GetSubsetWithNearValue_ReturnsOneAndTwo_ForASumOfThree()
{
var array = new[] { 1, 2, 3, 4, 5 };
TestHelper.AssertSequence(
Set.GetSubsetWithNearValue(array, 3),
2, 1);
}
public void GetSubsetWithNearValue_ReturnsOne_WhenSkippingZeroes()
{
var array = new[] { 0, 0, 1 };
TestHelper.AssertSequence(
Set.GetSubsetWithNearValue(array, 1),
1);
}
public void GetSubsetWithNearValue_ReturnsOne_ForPerfectMatchingSumOfOne()
{
var array = new[] { 1 };
TestHelper.AssertSequence(
Set.GetSubsetWithNearValue(array, 1),
1);
}
public void GetSubsetWithNearValue_ReturnsTwo_ForPerfectFullyCompletedSumOfTwo()
{
var array = new[] { 1, 2 };
TestHelper.AssertSequence(
Set.GetSubsetWithNearValue(array, 2),
2);
}
public void GetSubsetWithNearValue_ReturnsTenOne_ForASumOfEleven_ExcludingOneTwoThree()
{
var array = new[] { 1, 2, 3, 10 };
TestHelper.AssertSequence(
Set.GetSubsetWithNearValue(array, 11),
10, 1);
}
public void GetSubsetWithNearValue_ThrowsException_ForZeroTargetSum()
{
Assert.Throws <ArgumentOutOfRangeException>(() =>
Set.GetSubsetWithNearValue(new int[] { }, 0));
}
public void GetSubsetWithNearValue_ThrowsException_ForNullSequence()
{
Assert.Throws <ArgumentNullException>(() =>
Set.GetSubsetWithNearValue(null, 1));
}
public void GetSubsetWithNearValue_ThrowsException_ForNegativeNumberInSequence()
{
Assert.Throws <ArgumentOutOfRangeException>(() =>
Set.GetSubsetWithNearValue(new[] { -1 }, 1));
}
