sabirvirtuoso/Kraken

//
//  Kraken
//
//  Copyright (c) 2016 Syed Sabir Salman-Al-Musawi <sabirvirtuoso@gmail.com>
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//

import XCTest

func AssertThrows<T>(_ file: StaticString = #file, line: UInt = #line, expression: @autoclosure () throws -> T) {
    AssertThrows(file, line: line, expression: expression, "")
}

func AssertThrows<T>(_ file: StaticString = #file, line: UInt = #line, expression: @autoclosure () throws -> T, _ message: String) {
    AssertThrows(expression: expression, checkError: { _ in true }, message)
}

func AssertThrows<T>(_ file: StaticString = #file, line: UInt = #line, expression: @autoclosure () throws -> T, checkError: (Error) -> Bool) {
    AssertThrows(file, line: line, expression: expression, checkError: checkError, "")
}

func AssertThrows<T>(_ file: StaticString = #file, line: UInt = #line, expression: @autoclosure () throws -> T, checkError: (Error) -> Bool, _ message: String) {
    do {
        let _ = try expression()
        XCTFail(message, file: file, line: line)
    } catch {
        XCTAssertTrue(checkError(error), "Thrown unexpected error: \(error)", file: file, line: line)
    }
}