public void Non_decreasingArrayTest(int[] givenArr, bool expectedResult)
{
//Action
var actualResult = Non_decreasingArray.CheckPossibility(givenArr);
//Assert
Assert.AreEqual(expectedResult, actualResult);
}
public void CheckPossibilityTests()
{
Non_decreasingArray obj = new Non_decreasingArray();
var arr = new int[] { 4, 2, 3 };
var x = obj.CheckPossibility(arr);//t
arr = new int[] { 4, 2, 1 };
x = obj.CheckPossibility(arr);//f
arr = new int[] { 3, 4, 2, 3 };
x = obj.CheckPossibility(arr);//f
arr = new int[] { 3 };
x = obj.CheckPossibility(arr);//t
arr = new int[] { 2, 3, 3, 2, 4 };
x = obj.CheckPossibility(arr);//t
}