public void TestBestTimeToBuySellStockWithBadInput()
{
int[] input = { 7, 6, 4, 3, 1 };
int profit = BestTimeToBuySellStock.MaxProfit(input);
Assert.IsTrue(profit == 0);
}
public void TestBestTimeToBuySellStockWithNormalInput()
{
int[] input = { 7, 1, 5, 3, 6, 4 };
int profit = BestTimeToBuySellStock.MaxProfit(input);
Assert.IsTrue(profit == 5);
}