MSSAssertions.swift

//
//  MSSAssertions.swift
//  FastOne
//
//  Created by Marc Schwieterman on 3/8/15.
//  Copyright (c) 2015 Marc Schwieterman Software, LLC. All rights reserved.
//

import Foundation


private let MSSAssertionFailureExceptionName = "MSSAssertionFailure"

private class MSSAssertionFailureException: NSException {

    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
    }

    required init(reason: String) {
        super.init(name: NSExceptionName(rawValue: MSSAssertionFailureExceptionName), reason: reason, userInfo: nil)
    }

}

func MSSAssert(_ condition:  @autoclosure () -> Bool, _ message: @autoclosure () -> String, file: String = #file, line: Int = #line) {
    if !condition() {
        MSSAssertionFailure(message, file: file, line: line)
    }
}


func MSSAssertionFailure(_ message:  @autoclosure () -> String, file: String = #file, line: Int = #line) -> Never  {
    let fileName = file.characters.split(separator: "/").last
    let reason = "\(fileName):\(line) \(message())"
    // We're using exceptions as our crash mechanism because their message will be included in
    // Hockey crash reports. In addition to being disabled in release builds by default, the
    // message text for the default Swift assertions is not included in crash reports.
    MSSAssertionFailureException(reason: reason).raise()
    abort() // compiler placation
}