Easy_020_Valid_Parentheses_Test.swift

//
//  Easy_020_Valid_Parentheses_Test.swift
//  Solutions
//
//  Created by Di Wu on 4/22/15.
//  Copyright (c) 2015 diwu. All rights reserved.
//

import XCTest

class Easy_020_Valid_Parentheses_Test: XCTestCase, SolutionsTestCase {


    func test_001() {
        let input: String = "()"
        let expected: Bool = true
        asyncHelper(input: input, expected: expected)
    }

    func test_002() {
        let input: String = ""
        let expected: Bool = true
        asyncHelper(input: input, expected: expected)
    }

    func test_003() {
        let input: String = "()[]{}"
        let expected: Bool = true
        asyncHelper(input: input, expected: expected)
    }

    func test_004() {
        let input: String = "(]"
        let expected: Bool = false
        asyncHelper(input: input, expected: expected)
    }

    func test_005() {
        let input: String = "([)]"
        let expected: Bool = false
        asyncHelper(input: input, expected: expected)
    }
    func test_006() {
        let input: String = "([{}])"
        let expected: Bool = true
        asyncHelper(input: input, expected: expected)
    }
    func test_007() {
        let input: String = "[{}])"
        let expected: Bool = false
        asyncHelper(input: input, expected: expected)
    }
    func test_008() {
        let input: String = "([{})"
        let expected: Bool = false
        asyncHelper(input: input, expected: expected)
    }
    func test_009() {
        let input: String = "([}])"
        let expected: Bool = false
        asyncHelper(input: input, expected: expected)
    }
    func test_010() {
        let input: String = "([}{])"
        let expected: Bool = false
        asyncHelper(input: input, expected: expected)
    }
    func test_011() {
        let input: String = "([{}[{({()()}[[[]]])}]])"
        let expected: Bool = true
        asyncHelper(input: input, expected: expected)
    }

    func asyncHelper(input: String, expected: Bool ) {
        weak var expectation: XCTestExpectation? = self.expectation(description:timeOutName())
        serialQueue().async(execute: { () -> Void in
            let result: Bool = Easy_020_Valid_Parentheses.isValid(input)
            assertHelper(expected == result, problemName:self.problemName(), input: input, resultValue: result, expectedValue: expected)
            if let unwrapped = expectation {
                unwrapped.fulfill()
            }
        })
        waitForExpectations(timeout:timeOut()) { (error: Error?) -> Void in
            if error != nil {
                assertHelper(false, problemName:self.problemName(), input: input, resultValue:self.timeOutName(), expectedValue: expected)
            }
        }
    }
}