FisherYatesOptim.m

//
//  TestSomethingCoolTests.m
//  TestSomethingCoolTests
//
//  Created by Paul Wood on 9/14/16.
//  Copyright © 2016 Paul Wood. All rights reserved.
//

#import <XCTest/XCTest.h>

@interface TestSomethingCoolTests : XCTestCase

@property NSMutableArray *cards;
@property NSInteger testTimes;

@end

@implementation TestSomethingCoolTests

- (void)setUp {
    [super setUp];
    _testTimes = 10000;
    _cards = [[NSMutableArray alloc] initWithArray:@[
                                                     @0,
                                                     @1,
                                                     @2,
                                                     @3,
                                                     @4,
                                                     @5,
                                                     @6,
                                                     @7,
                                                     @8,
                                                     @9,
                                                     @10
                                                     ]];
}

- (void)tearDown {
    // Put teardown code here. This method is called after the invocation of each test method in the class.
    [super tearDown];
}

- (void)testShuffleContinue {
    // This is an example of a performance test case.
    [self measureBlock:^{
        
        while(_testTimes > 0){
            for (int i = 0; i < _cards.count; i++){
                int random = arc4random_uniform((int)_cards.count);
                if(i == random){
                    continue;
                }
                [_cards exchangeObjectAtIndex:i withObjectAtIndex:random];
            }
            _testTimes = _testTimes - 1;
        }
        // Put the code you want to measure the time of here.
    }];
}

- (void)testShuffle {
    // This is an example of a performance test case.
    [self measureBlock:^{
        
        while(_testTimes > 0){
            for (int i = 0; i < _cards.count; i++){
                int random = arc4random_uniform((int)_cards.count);
                [_cards exchangeObjectAtIndex:i withObjectAtIndex:random];
            }
            _testTimes = _testTimes - 1;
        }
        // Put the code you want to measure the time of here.
    }];
}


@end