sergiosette

public enum JSONValue {
    case string(String)
    case int(Int)
    case double(Double)
    case bool(Bool)
    case object([String: JSONValue])
    case array([JSONValue])
}

extension JSONValue: Encodable {

sergiosette

func parse(_ json: String) -> Any? {
    return Bool(json) ?? Int(json) ?? Double(json) ?? parseString(json)
}

private func parseString(_ text: String) -> String? {
    switch (text.first, text.last) {
    case ("\""?, "\""?): return ""
    default: return nil
    }
}

sergiosette

func parse(_ json: String) -> Any? {
    return Bool(json) ?? Int(json) ?? Double(json) ?? ""
}

sergiosette

func testEmptyString() {
    assert("\"\"", parsesTo: "")
}

sergiosette

func assert<T: Equatable>(_ json: String, parsesTo target: T) {
    guard let parsed = parser.parse(json) as? T else { XCTFail("Parsed item \(json) is not of type \(T.self)"); return }
    XCTAssertEqual(parsed, target)
}

func assertNil(_ json: String) {
    XCTAssertNil(parser.parse(json))
}

sergiosette

class JSONParser {
    func parse(_ json: String) -> Any? {
        return Bool(json) ?? Int(json) ?? Double(json)
    }
}

sergiosette

func testDouble() {
    XCTAssertEqual(parser.parse("0.0") as! Double, 0)
}