swift-playground-unit-test.md

Swift playground unit test

1. Create a unit test

import Foundation
import XCTest


public class UnitTests: XCTestCase {

    func testFindIndex() {
        XCTAssertEqual(Test.printFindIndexResult(" ", ""), "Position: N/A")
    }
}

2. In swift playground run UnitTests.defaultTestSuite.run()