public void InsertNumber_TestIndexOverFlow()
 => Assert.Throws <ArgumentOutOfRangeException>(() => BitModifier.InsertNumber(8, 15, 34, 0));
 public void InsertNumber_TestWithNegative()
 => Assert.Throws <ArgumentOutOfRangeException>(() => BitModifier.InsertNumber(8, 15, -4, -4));
 public void InsertNumber_TestEndLessThenStart()
 => Assert.Throws <ArgumentOutOfRangeException>(() => BitModifier.InsertNumber(8, 15, 15, 8));
 public int InsertNumber_TestWithDiffValues(int a, int b, int i, int j)
 => BitModifier.InsertNumber(a, b, i, j);