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// MARK: Frameworks import XCTest // MARK: CalculatorInteractorTests class CalculatorInteractorTests: XCTestCase { // MARK: Variables var calculatorInteractor: CalculatorInteractor! // MARK: Setup Methods override func setUp() { super.setUp() calculatorInteractor = CalculatorInteractor() } // MARK: Addition Tests func testAddition() { let numberOne: Float = 4 let numberTwo: Float = 9 let result = calculatorInteractor.add(numberOne: numberOne, to: numberTwo) XCTAssertEqual(result, 13) } func testAdditionNegative() { let numberOne: Float = -3 let numberTwo: Float = -6 let result = calculatorInteractor.add(numberOne: numberOne, to: numberTwo) XCTAssertEqual(result, -9) } // MARK: Subtraction Tests func testSubtraction() { let numberOne: Float = 9 let numberTwo: Float = 4 let result = calculatorInteractor.subtract(numberOne: numberOne, from: numberTwo) XCTAssertEqual(result, -5) } func testSubtractionNegative() { let numberOne: Float = -6 let numberTwo: Float = -12 let result = calculatorInteractor.subtract(numberOne: numberOne, from: numberTwo) XCTAssertEqual(result, -6) } // MARK: Multiplication Tests func testMultiplication() { let numberOne: Float = 9 let numberTwo: Float = 4 let result = calculatorInteractor.multiply(numberOne: numberOne, by: numberTwo) XCTAssertEqual(result, 36) } func testMultiplicationNegative() { let numberOne: Float = -2 let numberTwo: Float = -12 let result = calculatorInteractor.multiply(numberOne: numberOne, by: numberTwo) XCTAssertEqual(result, 24) } // MARK: Division Tests func testDivision() { let numberOne: Float = 28 let numberTwo: Float = 2 let result = calculatorInteractor.divide(numberOne: numberOne, by: numberTwo) XCTAssertEqual(result, 14) } func testDivisionNegative() { let numberOne: Float = -9 let numberTwo: Float = -3 let result = calculatorInteractor.divide(numberOne: numberOne, by: numberTwo) XCTAssertEqual(result, 3) } } |
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