func testAcceptHeader() {

let parser = StringDataParser(encoding: .utf8)

XCTAssertNil(parser.contentType)

}

func testParseData() {

let string = "abcdef"

let data = string.data(using: .utf8, allowLossyConversion: false)!

let parser = StringDataParser(encoding: .utf8)

do {

let object = try parser.parse(data: data)

XCTAssertEqual(object as? String, string)

} catch {

XCTFail()

}

}

func testInvalidString() {

var bytes = [UInt8]([0xed, 0xa0, 0x80]) // U+D800 (high surrogate)

let data = Data(bytes: &bytes, count: bytes.count)

let parser = StringDataParser(encoding: .utf8)

do {

try _ = parser.parse(data: data)

XCTFail()

} catch {

guard let error = error as? StringDataParser.Error,

case .invalidData(let invalidData) = error else {

XCTFail()

return

}

XCTAssertEqual(data, invalidData)

}

}