Practice 50 Swift Unit Testing Programming Questions

Practice 50 Swift Unit Testing Programming Questions

Q1. Write a Swift program to create a unit test to check if a function adds two numbers correctly.
  Input: Two integers 5 and 10.
  Output: The function should return 15.

Q2. Write a Swift program to create a unit test that verifies if a string is empty.
  Input: An empty string "".
  Output: The test should return true.

Q3. Write a Swift program to create a unit test to check if a function correctly multiplies two numbers.
  Input: Two integers 3 and 4.
  Output: The function should return 12.

Q4. Write a Swift program to create a unit test to verify if an array contains a specific element.
  Input: Array [1, 2, 3] and element 2.
  Output: The test should return true.

Q5. Write a Swift program to create a unit test to check if a number is even.
  Input: Number 4.
  Output: The test should return true.

Q6. Write a Swift program to create a unit test to check if a number is odd.
  Input: Number 5.
  Output: The test should return true.

Q7. Write a Swift program to create a unit test to verify if a function correctly returns the sum of an array.
  Input: Array [1, 2, 3, 4].
  Output: The sum should be 10.

Q8. Write a Swift program to create a unit test to check if a function returns the correct factorial of a number.
  Input: Number 5.
  Output: The factorial should be 120.

Q9. Write a Swift program to create a unit test to check if a string contains a specific substring.
  Input: String "hello world" and substring "world".
  Output: The test should return true.

Q10. Write a Swift program to create a unit test that verifies if a number is prime.
   Input: Number 7.
   Output: The test should return true.

Q11. Write a Swift program to create a unit test to check if a function correctly reverses a string.
   Input: String "hello".
   Output: The function should return "olleh".

Q12. Write a Swift program to create a unit test to check if a dictionary contains a specific key.
   Input: Dictionary [1: "one", 2: "two"] and key 2.
   Output: The test should return true.

Q13. Write a Swift program to create a unit test to check if a function returns the maximum value in an array.
   Input: Array [1, 5, 3, 7].
   Output: The maximum value should be 7.

Q14. Write a Swift program to create a unit test to verify if a string is a valid email address.
   Input: String "test@example.com".
   Output: The test should return true.

Q15. Write a Swift program to create a unit test to check if a function returns the correct average of an array.
   Input: Array [1, 2, 3, 4].
   Output: The average should be 2.5.

Q16. Write a Swift program to create a unit test to check if a number is within a given range.
   Input: Number 5 and range 1...10.
   Output: The test should return true.

Q17. Write a Swift program to create a unit test to check if a function returns the correct length of a string.
   Input: String "hello".
   Output: The length should be 5.

Q18. Write a Swift program to create a unit test to verify if a function correctly concatenates two strings.
   Input: Strings "hello" and "world".
   Output: The concatenated result should be "helloworld".

Q19. Write a Swift program to create a unit test to check if a string is a valid palindrome.
   Input: String "madam".
   Output: The test should return true.

Q20. Write a Swift program to create a unit test to verify if an array is sorted in ascending order.
   Input: Array [1, 2, 3, 4].
   Output: The test should return true.

Q21. Write a Swift program to create a unit test to check if a function correctly calculates the square of a number.
   Input: Number 5.
   Output: The square should be 25.

Q22. Write a Swift program to create a unit test to check if a function correctly converts a string to uppercase.
   Input: String "hello".
   Output: The function should return "HELLO".

Q23. Write a Swift program to create a unit test to check if a string has a specific length.
   Input: String "hello" and length 5.
   Output: The test should return true.

Q24. Write a Swift program to create a unit test to verify if a function correctly calculates the area of a circle.
   Input: Radius 5.
   Output: The area should be 78.54.

Q25. Write a Swift program to create a unit test to verify if a function checks if a string starts with a specific prefix.
   Input: String "hello" and prefix "he".
   Output: The test should return true.

Q26. Write a Swift program to create a unit test to check if a number is divisible by another number.
   Input: Number 10 and divisor 2.
   Output: The test should return true.

Q27. Write a Swift program to create a unit test to verify if a function calculates the area of a rectangle correctly.
   Input: Length 4 and width 6.
   Output: The area should be 24.

Q28. Write a Swift program to create a unit test to check if a function returns the correct sum of even numbers in an array.
   Input: Array [1, 2, 3, 4].
   Output: The sum of even numbers should be 6.

Q29. Write a Swift program to create a unit test to check if a function correctly finds the smallest number in an array.
   Input: Array [3, 5, 1, 7].
   Output: The smallest number should be 1.

Q30. Write a Swift program to create a unit test to check if a string contains only digits.
   Input: String "12345".
   Output: The test should return true.

Q31. Write a Swift program to create a unit test to verify if a function correctly calculates the difference between two numbers.
   Input: Numbers 10 and 3.
   Output: The difference should be 7.

Q32. Write a Swift program to create a unit test to check if a string contains only uppercase letters.
   Input: String "HELLO".
   Output: The test should return true.

Q33. Write a Swift program to create a unit test to check if a string contains only lowercase letters.
   Input: String "hello".
   Output: The test should return true.

Q34. Write a Swift program to create a unit test to check if a function correctly finds the index of an element in an array.
   Input: Array [1, 2, 3] and element 2.
   Output: The index should be 1.

Q35. Write a Swift program to create a unit test to check if a function correctly returns the last element of an array.
   Input: Array [1, 2, 3].
   Output: The last element should be 3.

Q36. Write a Swift program to create a unit test to verify if a string is a valid URL.
   Input: String "https://www.example.com".
   Output: The test should return true.

Q37. Write a Swift program to create a unit test to check if a function correctly finds the common elements between two arrays.
   Input: Arrays [1, 2, 3] and [2, 3, 4].
   Output: The common elements should be [2, 3].

Q38. Write a Swift program to create a unit test to check if a number is negative.
   Input: Number -5.
   Output: The test should return true.

Q39. Write a Swift program to create a unit test to check if a function correctly finds the length of the longest word in a string.
   Input: String "I love programming".
   Output: The length should be 11.

Q40. Write a Swift program to create a unit test to check if a function returns a string without spaces.
   Input: String "hello world".
   Output: The function should return "helloworld".

Q41. Write a Swift program to create a unit test to check if a function correctly counts the occurrences of a character in a string.
   Input: String "hello world" and character "o".
   Output: The count should be 2.

Q42. Write a Swift program to create a unit test to check if a function correctly removes whitespace from a string.
   Input: String " hello ".
   Output: The function should return "hello".

Q43. Write a Swift program to create a unit test to check if a number is a multiple of another number.
   Input: Number 15 and divisor 5.
   Output: The test should return true.

Q44. Write a Swift program to create a unit test to check if a function correctly checks for palindrome.
   Input: String "racecar".
   Output: The test should return true.

Q45. Write a Swift program to create a unit test to check if a function correctly rounds a number to two decimal places.
   Input: Number 3.14159.
   Output: The rounded number should be 3.14.

Q46. Write a Swift program to create a unit test to verify if a function correctly finds the longest common prefix of two strings.
   Input: Strings "flower" and "flow".
   Output: The common prefix should be "fl".

Q47. Write a Swift program to create a unit test to check if a function correctly merges two arrays.
   Input: Arrays [1, 2] and [3, 4].
   Output: The merged array should be [1, 2, 3, 4].

Q48. Write a Swift program to create a unit test to verify if a function correctly computes the power of a number.
   Input: Base 2 and exponent 3.
   Output: The result should be 8.

Q49. Write a Swift program to create a unit test to check if a number is positive.
   Input: Number 5.
   Output: The test should return true.

Q50. Write a Swift program to create a unit test to check if a function correctly returns the current time in seconds.
   Input: Current time (not required as input).
   Output: The function should return the current time in seconds.