fixed filling the array

.gitignore

@@ -6,3 +6,6 @@ runNumbersTest.exe
 numbers.o
 .vscode/launch.json
 .vscode/settings.json
+*.o
+*.exe
+runBintreeTest

bintree.c

@@ -12,8 +12,26 @@
 // if isDuplicate is NULL, otherwise ignores duplicates and sets isDuplicate to 1 (or to 0 if a new entry is added).
 TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFctType compareFct, int *isDuplicate)
 {
+    TreeNode newNode = {data, NULL, NULL};
     
 
+    if(root == NULL)
+    {
+        return &newNode;
+    }
+
+    if (data < root->data)
+    {
+        root->left = addToTree(root->left, data, dataSize,compareFct, isDuplicate);
+    }
+    else if(data > root->data)
+    {
+       root->right = addToTree(root->right, data, dataSize,compareFct, isDuplicate);
+    }
+
+
+
+    return root;
 }
 
 // Iterates over the tree given by root. Follows the usage of strtok. If tree is NULL, the next entry of the last tree given is returned in ordering direction.
@@ -36,27 +54,19 @@ void clearTree(TreeNode *root)
     {
         clearTree(root->left);
         free(root->left);
+        root->left = NULL;
     }
-    else if (root->right != NULL)
+    if (root->right != NULL)
     {
         clearTree(root->right);
         free(root->right);
+        root->right = NULL;
     }
-    root->data = NULL;
+    root = NULL;
 }
 
 // Returns the number of entries in the tree given by root.
 unsigned int treeSize(const TreeNode *root)
 {
-    int counterL, counterR = 0;
-    if (root->left != NULL)
-    {
-        counterL = treeSize(root->left) + 1;
-    }
-    else if (root->right != NULL)
-    {
-        counterR = treeSize(root->right) + 1;
-    }
-
-    return counterL + counterR;
+    return root == NULL ? 0 : treeSize(root->left) + treeSize(root->right) + 1;
 }

highscores.txt

@@ -1 +0,0 @@
-player1;3999

makefile

@@ -44,6 +44,12 @@ unitTests: stack.o test_stack.c $(unityfolder)/unity.c
 numbersTests: numbers.o test_numbers.c $(unityfolder)/unity.c
 	$(CC) $(FLAGS) -I$(unityfolder) -o runNumbersTest test_numbers.c numbers.o $(unityfolder)/unity.c
 
+# --------------------------
+# bintree.c Tests
+# --------------------------
+bintreeTests: bintree.o test_bintree.c $(unityfolder)/unity.c
+	$(CC) $(FLAGS) -I$(unityfolder) -o runBintreeTest test_bintree.c bintree.o $(unityfolder)/unity.c
+
 # --------------------------
 # Clean
 # --------------------------

numbers.c

@@ -23,6 +23,8 @@ unsigned int checkArray(unsigned int *array, unsigned int len, unsigned int numb
     if (array[i] == number)
     {
       free = 0;
+      break;
+      
     }
   }
 
@@ -32,33 +34,38 @@ unsigned int checkArray(unsigned int *array, unsigned int len, unsigned int numb
 unsigned int *createNumbers(unsigned int len)
 {
   srand(time(NULL));
-  unsigned int *array = (unsigned int*)malloc(len * sizeof(unsigned int));
-  int randomNr, counter;
+  unsigned int *array = (unsigned int *)malloc(len * sizeof(unsigned int));
+  int randomNr, randomPos, filler;
   
-  if(array == NULL)
+
+  if (array == NULL)
   {
-    return NULL;
+    return NULL; // Fehler
+  }
+
+  for (int i = 0; i < len; i++)
+  {
+    array[i] = 0;
   }
   
   for (int i = 0; i < len; i++)
   {
-    counter = 0;
     do
     {
-      if (counter == 9)
+      array[i] = (rand() % (2 * len))+ 1;
+    } while (!checkArray(array, i, array[i]));
+  }
+
+  randomPos = rand() % len;
+  randomNr = array[randomPos];
+
+  filler = randomPos;
+  while(filler == randomPos)
   {
-        return NULL;
+    filler = rand() % len;
   }
+  array[filler] = randomNr;
   
-      randomNr = rand() % (2 * len + 1);
-      counter++;
-    } while (!checkArray(array, i, randomNr));
-
-    array[i] = randomNr;
-    printf("%u ", array[i]);
-  }
-
-  printf("\n");
   return array;
 }
 

test_bintree.c

@@ -0,0 +1,80 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "bintree.h"
+#include "unity.h"
+
+
+void sizeTest()
+{
+    TreeNode *root = (TreeNode *)malloc(sizeof(TreeNode));
+    TreeNode *node1 = (TreeNode *)malloc(sizeof(TreeNode));
+    TreeNode *node2 = (TreeNode *)malloc(sizeof(TreeNode));
+
+    int dataRoot = 2;
+    int dataNode1 = 1;
+    int dataNode2 = 3;
+
+    root->data = &dataRoot;
+    root->left = (TreeNode *)node1;
+    root->right = (TreeNode *)node2;
+
+    node1->data = &dataNode1;
+    node1->left = NULL;
+    node1->right = NULL;
+
+    node2->data = &dataNode2;
+    node2->left = NULL;
+    node2->right = NULL;
+
+    TEST_ASSERT_EQUAL_INT(3,treeSize(root));
+}
+
+void clearTest()
+{
+    TreeNode *root = (TreeNode *)malloc(sizeof(TreeNode));
+    TreeNode *node1 = (TreeNode *)malloc(sizeof(TreeNode));
+    TreeNode *node2 = (TreeNode *)malloc(sizeof(TreeNode));
+
+    int dataRoot = 2;
+    int dataNode1 = 1;
+    int dataNode2 = 3;
+
+    root->data = &dataRoot;
+    root->left = (TreeNode *)node1;
+    root->right = (TreeNode *)node2;
+
+    node1->data = &dataNode1;
+    node1->left = NULL;
+    node1->right = NULL;
+
+    node2->data = &dataNode2;
+    node2->left = NULL;
+    node2->right = NULL;
+
+    TreeNode *ptr = root;
+
+    clearTree(ptr);
+    TEST_ASSERT_EQUAL_INT(0,treeSize(root));
+}
+
+void setUp(void)
+{
+    // Falls notwendig, kann hier Vorbereitungsarbeit gemacht werden
+}
+
+void tearDown(void)
+{
+    // Hier kann Bereinigungsarbeit nach jedem Test durchgeführt werden
+}
+
+int main()
+{
+    UNITY_BEGIN();
+
+    printf("============================\nNumbers tests\n============================\n");
+
+    RUN_TEST(sizeTest);
+    RUN_TEST(clearTest);
+
+    return UNITY_END();
+}