public void Given_ValidArray_Expect_ReturnsMaximumProduct(int[] d, int e)
{
int a = Subarray.MaximumProduct(d);
Assert.True(a == e, "Expected: " + e + " Actual: " + a);
}
public void Given_NullOrEmptyArray_Expect_ThrowsArguementException(int[] i)
{
Assert.Throws <ArgumentException>(() => Subarray.MaximumProduct(i));
}