class TTDSamplesTests: XCTestCase {
func testNilInput() {
let arrayInput: [Int]? = nil
let intInput = 0
XCTAssertEqual("", puzzle001(arrayInput, intInput))
}
func testEmptyArrayInput() {
let arrayInput = [Int]()
let intInput = 0
XCTAssertEqual("", puzzle001(arrayInput, intInput))
}
func testTwoZerosInput() {
let arrayInput = [0, 0]
let intInput = 0
XCTAssertEqual("", puzzle001(arrayInput, intInput))