Created testing program in playground.

All tests passing.

Author: Satre95

Ternary Search Tree/TST.playground/Contents.swift

@@ -1,4 +1,73 @@
 //: Playground - noun: a place where people can play
 
 import Cocoa
+import Foundation
+
+let treeOfStrings = TernarySearchTree<String>()
+
+//Random string generator from: 
+//http://stackoverflow.com/questions/26845307/generate-random-alphanumeric-string-in-swift/26845710
+func randomAlphaNumericString(length: Int) -> String {
+    
+    let allowedChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+    let allowedCharsCount = UInt32(allowedChars.characters.count)
+    var randomString = ""
+    
+    for _ in (0..<length) {
+        let randomNum = Int(arc4random_uniform(allowedCharsCount))
+        let newCharacter = allowedChars[allowedChars.startIndex.advancedBy(randomNum)]
+        randomString += String(newCharacter)
+    }
+    
+    return randomString
+}
+
+var testStrings: [(key:String, data:String)] = []
+let testCount = 30
+for _ in (1...testCount) {
+    let randomLength = Int(arc4random_uniform(10))
+    let key = randomAlphaNumericString(randomLength)
+    let data = randomAlphaNumericString(randomLength)
+//    print("Key: \(key) Data: \(data)")
+    
+    if key != "" && data != "" {
+        testStrings.append((key, data))
+        treeOfStrings.insert(data, withKey: key)
+    }
+}
+
+for aTest in testStrings {
+    let data = treeOfStrings.find(aTest.key)
+    
+    if data == nil {
+        print("TEST FAILED. Key: \(aTest.key) Data: \(aTest.data)")
+    }
+    if data != aTest.data {
+        print("TEST FAILED. Key: \(aTest.key) Data: \(aTest.data)")
+    }
+}
+
+var testNums: [(key: String, data: Int)] = []
+let treeOfInts = TernarySearchTree<Int>()
+for _ in (1...testCount) {
+    let randomNum = Int(arc4random_uniform(UInt32.max))
+    let randomLength = Int(arc4random_uniform(10))
+    let key = randomAlphaNumericString(randomLength)
+    
+    if key != "" {
+        testNums.append((key, randomNum))
+        treeOfInts.insert(randomNum, withKey: key)
+    }
+}
+
+for aTest in testNums {
+    let data = treeOfInts.find(aTest.key)
+    
+    if data == nil {
+        print("TEST FAILED. Key: \(aTest.key) Data: \(aTest.data)")
+    }
+    if data != aTest.data {
+        print("TEST FAILED. Key: \(aTest.key) Data: \(aTest.data)")
+    }
+}