public void GetUniqueNumber_NullIdsArray_NullReferenceException() { //Arrange int[] idsArr = null; var maxNumber = 999999; //Act //Assert Assert.Throws <NullReferenceException>(() => NumberRandomizer.GetUniqueNumber(idsArr, maxNumber)); }
public void GetUniqueNumber_idsArrIsFull_ArgumentException() { //Arrange var idsArr = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; var maxNumber = 10; //Act //Assert Assert.Throws <ArgumentException>(() => NumberRandomizer.GetUniqueNumber(idsArr, maxNumber)); }
public void GetUniqueNumber_NullIdsArray_CorrectExceptionMessage() { //Arrange int[] idsArr = null; var maxNumber = 999999; var expected = "usedNumbers cannot be null"; //Act var actual = Record.Exception(() => NumberRandomizer.GetUniqueNumber(idsArr, maxNumber)).Message.Trim(); //Assert Assert.Equal(expected, actual); }
public void GetUniqueNumber_FreeNumberLastItemIn999999_Return999999() { //Arrange var idsArr = Enumerable.Range(1, 999998); var maxNumber = 999999; var expected = 999999; //Act var actual = NumberRandomizer.GetUniqueNumber(idsArr, maxNumber); //Assert Assert.Equal(actual, expected); }
public void GetUniqueNumber_FreeNumber2Or4and6In10ItemsArray_Return2Or4Or6() { //Arrange var idsArr = new int[] { 1, 3, 5, 7, 8, 9, 10 }; var maxNumber = 10; var expected = new int[] { 2, 4, 6 }; //Act var actual = NumberRandomizer.GetUniqueNumber(idsArr, maxNumber); //Assert Assert.Contains(actual, expected); }
public void GetUniqueNumber_FirstSpinMaxNumber1_ShouldBe1() { //Arrange var idsArr = new int[] { }; var maxNumber = 1; var expected = 1; //Act var actual = NumberRandomizer.GetUniqueNumber(idsArr, maxNumber); //Assert Assert.Equal(expected, actual); }
public void GetUniqueNumber_idsArrIsFull_CorrectExceptionMessage() { //Arrange var idsArr = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; var maxNumber = 10; var expected = "No free numbers in this range"; //Act var actual = Record.Exception(() => NumberRandomizer.GetUniqueNumber(idsArr, maxNumber)).Message.Trim(); //Assert Assert.Equal(expected, actual); }
public void GetUniqueNumber_FreeNumber4_ShouldBe4() { //Arrange var idsArr = new int[] { 1, 2, 3, 5, 6, 7, 8, 9, 10 }; var maxNumber = 10; var expected = 4; //Act var actual = NumberRandomizer.GetUniqueNumber(idsArr, maxNumber); //Assert Assert.Equal(expected, actual); }
public void GetUniqueNumber_NegativeMaxNumber_CorrectExceptionMessage() { //Arrange var idsArr = new int[] { 1, 2, 3, 5, 6, 7, 8, 9, 10 }; var maxNumber = -10; var expected = "maxNumber cannot be less than zero"; //Act var actual = Record.Exception(() => NumberRandomizer.GetUniqueNumber(idsArr, maxNumber)).Message.Trim(); //Assert Assert.Equal(expected, actual); }