public void FindZeroSum_ThreeNumbersNotAddingToZero_ReturnsValue()
{
// arrange
int[] a = { 1, 2, 3 };
ArrayOperations ops = new ArrayOperations();
// act
int[] actual = ops.FindZeroSum(a);
// assert
Assert.IsNull(actual);
}
public void FindZeroSum_ThreeNumbersAddingToZero_ReturnsValue()
{
// arrange
int[] a = { 1, 2, -3 };
int[] expected = { 0, 1, 2 };
ArrayOperations ops = new ArrayOperations();
// act
int[] actual = ops.FindZeroSum(a);
Array.Sort(actual);
// assert
Assert.IsTrue(expected.SequenceEqual(actual));
}
public void FindZeroSum_LargeArrayThreeAddingToZero_ReturnsValue()
{
// arrange
int[] a = { 4, 3, 6, 9, 1, 5, -3, 123, 2, 439 };
int[] expected = { 4, 6, 8 };
ArrayOperations ops = new ArrayOperations();
// act
int[] actual = ops.FindZeroSum(a);
Array.Sort(actual);
// assert
Assert.IsTrue(expected.SequenceEqual(actual));
}