public void NeedleInHaystack() { Int32 expected, actual; expected = -1; actual = _object.NeedleInHaystack(null, 0); Assert.AreEqual(expected, actual); expected = -1; actual = _object.NeedleInHaystack(new int[0].ToEnumerable(), 2); Assert.AreEqual(expected, actual); expected = 0; actual = _object.NeedleInHaystack(new[] { 4, 5, 2, 8, 3, 7, 1 }.ToEnumerable(), 4); Assert.AreEqual(expected, actual); expected = 2; actual = _object.NeedleInHaystack(new[] { 4, 5, 2, 8, 3, 7, 1 }.ToEnumerable(), 2); Assert.AreEqual(expected, actual); expected = 6; actual = _object.NeedleInHaystack(new[] { 4, 5, 2, 8, 3, 7, 1 }.ToEnumerable(), 1); Assert.AreEqual(expected, actual); expected = -1; actual = _object.NeedleInHaystack(new[] { 4, 5, 2, 8, 3, 7, 1 }.ToEnumerable(), 6); Assert.AreEqual(expected, actual); expected = -1; actual = _object.NeedleInHaystack(new[] { 6 }.ToEnumerable(), 7); Assert.AreEqual(expected, actual); expected = 0; actual = _object.NeedleInHaystack(new[] { 6 }.ToEnumerable(), 6); Assert.AreEqual(expected, actual); }