Adding Objective-C version of Tennis; added Xcode+AppCode project, ported unit tests from Java version

Tennis/objc/TennisTests/TennisTests-Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+
+    <key>CFBundleIdentifier</key>
+    <string>com.vandenoord.${PRODUCT_NAME:rfc1034identifier}</string>
+
+    <key>CFBundleExecutable</key>
+    <string>${EXECUTABLE_NAME}</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>CFBundleShortVersionString</key>
+    <string>1.0</string>
+    <key>CFBundleVersion</key>
+    <string>1</string>
+    <key>CFBundleDevelopmentRegion</key>
+    <string>en</string>
+    <key>CFBundlePackageType</key>
+    <string>BNDL</string>
+    <key>CFBundleSignature</key>
+    <string>????</string>
+
+</dict>
+</plist>

Tennis/objc/TennisTests/TennisTests.h

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+//
+//  TennisTests.h
+//  TennisTests
+//
+//  Created by Stefan on 05/31/13.
+//  Copyright (c) 2013 Stefan van den Oord. All rights reserved.
+//
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface TennisTests : SenTestCase
+
+@end

Tennis/objc/TennisTests/TennisTests.m

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+//
+//  TennisTests.m
+//  TennisTests
+//
+//  Created by Stefan on 05/31/13.
+//  Copyright (c) 2013 Stefan van den Oord. All rights reserved.
+//
+
+#import "TennisTests.h"
+#import "TennisGame1.h"
+#import "TennisGame2.h"
+#import "TennisGame3.h"
+
+@implementation TennisTests {
+    int player1Score;
+    int player2Score;
+    NSString *expectedScore;
+}
+
+- (void)setUp
+{
+    [super setUp];
+    
+    // Set-up code here.
+}
+
+- (void)tearDown
+{
+    // Tear-down code here.
+    
+    [super tearDown];
+}
+
++ (NSArray*)allScores {
+    return @[
+            @[ @0, @0, @"Love-All"],
+            @[ @1, @1, @"Fifteen-All"],
+            @[ @2, @2, @"Thirty-All"],
+            @[ @3, @3, @"Forty-All"],
+            @[ @4, @4, @"Deuce"],
+
+            @[ @1, @0, @"Fifteen-Love"],
+            @[ @0, @1, @"Love-Fifteen"],
+            @[ @2, @0, @"Thirty-Love"],
+            @[ @0, @2, @"Love-Thirty"],
+            @[ @3, @0, @"Forty-Love"],
+            @[ @0, @3, @"Love-Forty"],
+            @[ @4, @0, @"Win for player1"],
+            @[ @0, @4, @"Win for player2"],
+
+            @[ @2, @1, @"Thirty-Fifteen"],
+            @[ @1, @2, @"Fifteen-Thirty"],
+            @[ @3, @1, @"Forty-Fifteen"],
+            @[ @1, @3, @"Fifteen-Forty"],
+            @[ @4, @1, @"Win for player1"],
+            @[ @1, @4, @"Win for player2"],
+
+            @[ @3, @2, @"Forty-Thirty"],
+            @[ @2, @3, @"Thirty-Forty"],
+            @[ @4, @2, @"Win for player1"],
+            @[ @2, @4, @"Win for player2"],
+
+            @[ @4, @3, @"Advantage player1"],
+            @[ @3, @4, @"Advantage player2"],
+            @[ @5, @4, @"Advantage player1"],
+            @[ @4, @5, @"Advantage player2"],
+            @[ @15, @14, @"Advantage player1"],
+            @[ @14, @15, @"Advantage player2"],
+
+            @[ @6, @4, @"Win for player1"],
+            @[ @4, @6, @"Win for player2"],
+            @[ @16, @14, @"Win for player1"],
+            @[ @14, @16, @"Win for player2"]
+    ];
+}
+
+- (void)checkAllScoresForGame:(TennisGame *)game {
+
+    for (NSArray * score in [TennisTests allScores]) {
+
+        player1Score = [score[0] intValue];
+        player2Score = [score[1] intValue];
+        expectedScore = score[2];
+        
+        [self checkScoreForGame:game];
+    }
+}
+
+- (void)checkScoreForGame:(TennisGame *)game {
+    int highestScore = MAX(player1Score, player2Score);
+    for (int i = 0; i < highestScore; i++) {
+        if (i < player1Score)
+            [game wonPoint:@"player1"];
+        if (i < player2Score)
+            [game wonPoint:@"player2"];
+    }
+    STAssertEqualObjects([game score], expectedScore, @"");
+}
+
+- (void)testAllScoresTennisGame1 {
+    TennisGame1 * game = [[TennisGame1 alloc] init];
+    [self checkAllScoresForGame:game];
+}
+
+- (void)testAllScoresTennisGame2 {
+    TennisGame2 * game = [[TennisGame2 alloc] init];
+    [self checkAllScoresForGame:game];
+}
+
+- (void)testAllScoresTennisGame3 {
+    TennisGame3 * game = [[TennisGame3 alloc] init];
+    [self checkAllScoresForGame:game];
+}
+
+@end

Tennis/objc/TennisTests/en.lproj/InfoPlist.strings

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+/* Localized versions of Info.plist keys */