Merge branch 'simons_weg'

Reviewed-on: hallerni98888/info2Praktikum-DobleSpiel#1

.gitignore

@@ -0,0 +1,11 @@
+doble_initial.exe
+highscores.txt
+runStackTest.exe
+stack.o
+runNumbersTest.exe
+numbers.o
+.vscode/launch.json
+.vscode/settings.json
+*.o
+*.exe
+runBintreeTest

bintree.c

@@ -1,8 +1,11 @@
 #include <string.h>
+#include <stdio.h>
 #include "stack.h"
 #include "bintree.h"
 
-//TODO: binären Suchbaum implementieren
+static StackNode *stack;
+static TreeNode *tree = NULL;
+// TODO: binären Suchbaum implementieren
 /*  * `addToTree`: fügt ein neues Element in den Baum ein (rekursiv),
  * `clearTree`: gibt den gesamten Baum frei (rekursiv),
  * `treeSize`: zählt die Knoten im Baum (rekursiv),
@@ -12,7 +15,43 @@
 // 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)
 {
+    if (root == NULL)
+    {
+        TreeNode *newNode = malloc(sizeof(TreeNode));
+        newNode->data = malloc(dataSize);
+        if (newNode->data == NULL)
+        {
+            return NULL; // Fehler
+        }
+        memcpy(newNode->data, data, dataSize);
+        newNode->left = NULL;
+        newNode->right = NULL;
+        return newNode;
+    }
     
+    int cmp = compareFct(root->data, data);
+    if (cmp < 0)
+    {
+        root->left = addToTree(root->left, data, dataSize, compareFct, isDuplicate);
+    }
+    else if (cmp > 0)
+    {
+        root->right = addToTree(root->right, data, dataSize, compareFct, isDuplicate);
+    }
+    else
+    {
+        if (isDuplicate != NULL)
+        {
+            *isDuplicate = 1;
+            return root;
+        }
+        else
+        {
+            root->left = addToTree(root->left, 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.
@@ -20,17 +59,56 @@ TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFc
 // push the top node and push all its left nodes.
 void *nextTreeData(TreeNode *root)
 {
+    if (root != NULL)
+    {
+        clearStack(stack);
+        buildStack(root);
+    }
+    if(stack != NULL)
+    {
+        void* data = top(stack);
+        stack = pop(stack);
+        return data;
+    }
 
+    return NULL;
 }
 
 // Releases all memory resources (including data copies).
 void clearTree(TreeNode *root)
 {
-
+    if (root == NULL)
+    {
+        return;
+    }
+    if (root->left != NULL)
+    {
+        clearTree(root->left);
+        free(root->left);
+        root->left = NULL;
+    }
+    if (root->right != NULL)
+    {
+        clearTree(root->right);
+        free(root->right);
+        root->right = NULL;
+    }
+    root = NULL;
 }
 
 // Returns the number of entries in the tree given by root.
 unsigned int treeSize(const TreeNode *root)
 {
-
+    return root == NULL ? 0 : treeSize(root->left) + treeSize(root->right) + 1;
+}
+
+void buildStack(TreeNode *root)
+{
+    if (root == NULL)
+    {
+       return; 
+    }
+    buildStack(root->left);
+    stack = push(stack, root->data);
+    buildStack(root->right); 
 }

bintree.h

@@ -24,4 +24,6 @@ void clearTree(TreeNode *root);
 // Returns the number of entries in the tree given by root.
 unsigned int treeSize(const TreeNode *root);
 
+void buildStack(TreeNode *root);
+
 #endif

highscore.c

@@ -79,6 +79,8 @@ int addHighscore(const char *name, double timeInSeconds, unsigned int len)
 {
     HighscoreEntry entry = createHighscoreEntry(name, calculateScore(timeInSeconds, len));
     highscoreTree = addToTree(highscoreTree, &entry, sizeof(entry), compareHighscoreEntries, NULL);
+    //HighscoreEntry *temp = highscoreTree->data;
+    //printf("%s%d\n", temp->name, temp->score);
 
     return entry.score;
 }

highscores.txt

@@ -1 +1,5 @@
-player1;3999
+nick;9963
+nick;9946
+simon;4965
+alex;2996
+simon;2996

makefile

@@ -29,14 +29,26 @@ program_obj_files = stack.o bintree.o numbers.o timer.o highscore.o
 doble : main.o $(program_obj_files)
 	$(CC) $(FLAGS) $^ -o doble
 
-$(program_obj_files): %.o: %.c
+$(program_obj_filesobj_files): %.o: %.c
 	$(CC) -c $(FLAGS) $^ -o $@
 
 # --------------------------
 # Unit Tests
 # --------------------------
-unitTests:
-	echo "needs to be implemented"
+stackTests: stack.o test_stack.c $(unityfolder)/unity.c
+	$(CC) $(FLAGS) -I$(unityfolder) -o runStackTest test_stack.c stack.o $(unityfolder)/unity.c
+
+# --------------------------
+# numbers.c Tests
+# --------------------------
+numbersTests: numbers.o bintree.o stack.o test_numbers.c $(unityfolder)/unity.c
+	$(CC) $(FLAGS) -I$(unityfolder) -o runNumbersTest test_numbers.c numbers.o bintree.o stack.o $(unityfolder)/unity.c
+
+# --------------------------
+# bintree.c Tests
+# --------------------------
+bintreeTests: bintree.o stack.o test_bintree.c $(unityfolder)/unity.c
+	$(CC) $(FLAGS) -I$(unityfolder) -o runBintreeTest test_bintree.c bintree.o stack.o $(unityfolder)/unity.c
 
 # --------------------------
 # Clean

numbers.c

@@ -5,7 +5,7 @@
 #include "numbers.h"
 #include "bintree.h"
 
-//TODO: getDuplicate und createNumbers implementieren
+// TODO: getDuplicate und createNumbers implementieren
 /*  *   * Erzeugen eines Arrays mit der vom Nutzer eingegebenen Anzahl an Zufallszahlen.
  * Sicherstellen, dass beim Befüllen keine Duplikate entstehen.
  * Duplizieren eines zufälligen Eintrags im Array.
@@ -14,13 +14,97 @@
 // Returns len random numbers between 1 and 2x len in random order which are all different, except for two entries.
 // Returns NULL on errors. Use your implementation of the binary search tree to check for possible duplicates while
 // creating random numbers.
+void duplicateNumber(unsigned int *numbers, unsigned int len)
+{
+  if (!numbers || len < 2)
+    return;
+
+  unsigned int numberPicked = rand() % len; // take random spot in array
+  unsigned int destination = rand() % len;  // new spot for duplicated number
+
+  while (destination == numberPicked) // while same spot get a new one
+    destination = rand() % len;
+
+  numbers[destination] = numbers[numberPicked];
+}
+
+/* for qsort
+-1	  num1 should come before num2
+0	    num1 and num2 are equal
+1	    num1 should come after num2
+*/
+int compare(const void *num1, const void *num2)
+{
+  unsigned int temp1 = *(const unsigned int *)num1;
+  unsigned int temp2 = *(const unsigned int *)num2;
+  return (temp1 > temp2) - (temp1 < temp2);
+}
+
 unsigned int *createNumbers(unsigned int len)
 {
+  if (len < 2)
+  {
+    return NULL;
+  }
+  srand((unsigned)time(NULL));
 
+  TreeNode *root = NULL;
+  unsigned int i = 0;
+
+  unsigned int *numbers = malloc(sizeof(unsigned int) * len);
+  if (!numbers)
+  {
+    return NULL;
+  }
+
+  while (i < len)
+  {
+    unsigned int random = (rand() % (2 * len)) + 1;
+    int duplicate = 0;
+
+    root = addToTree(root, &random, sizeof(unsigned int), compare, &duplicate);
+    if (!root)
+    {
+      free(numbers); // malloc-Fehler
+      return NULL;
+    }
+
+    if (!duplicate)
+      numbers[i++] = random;
+  }
+
+  duplicateNumber(numbers, len);
+  clearTree(root);
+  return numbers;
 }
 
-// Returns only the only number in numbers which is present twice. Returns zero on errors.
+// Returns the only number in numbers which is present twice. Returns zero on errors.
 unsigned int getDuplicate(const unsigned int numbers[], unsigned int len)
 {
+  if (!numbers || len < 2)
+  {
+    return 0;
+  }
 
+  unsigned int *copy = (unsigned int *)malloc(len * sizeof(unsigned int));
+  if (!copy)
+  {
+    return 0;
+  }
+
+  memcpy(copy, numbers, len * sizeof(unsigned int));
+  qsort(copy, len, sizeof(unsigned int), compare);
+
+  unsigned int duplicate = 0;
+  for (unsigned int i = 1; i < len; i++)
+  {
+    if (copy[i] == copy[i - 1])
+    {
+      duplicate = copy[i];
+      break;
+    }
+  }
+
+  free(copy);
+  return duplicate;
 }

stack.c

@@ -1,7 +1,7 @@
 #include <stdlib.h>
 #include "stack.h"
 
-//TODO: grundlegende Stackfunktionen implementieren:
+// TODO: grundlegende Stackfunktionen implementieren:
 /*  * `push`: legt ein Element oben auf den Stack,
  * `pop`: entfernt das oberste Element,
  * `top`: liefert das oberste Element zurück,
@@ -10,24 +10,44 @@
 // Pushes data as pointer onto the stack.
 StackNode *push(StackNode *stack, void *data)
 {
-
+    StackNode *newNode = malloc(sizeof(StackNode));
+    newNode->data = data;
+    newNode->next = stack;  // Set the new node's next pointer to the current top of the stack.
+    return newNode;  // Return the new node as the top of the stack.
 }
 
 // Deletes the top element of the stack (latest added element) and releases its memory. (Pointer to data has to be
 // freed by caller.)
 StackNode *pop(StackNode *stack)
 {
+    if (stack == NULL)
+    {
+        return NULL;  // Nothing to pop if stack is empty.
+    }
 
+    StackNode *tempNode = stack;
+    stack = stack->next;  // Move the stack pointer to the next node.
+    free(tempNode);  // Free the old top node.
+
+    return stack;
 }
 
 // Returns the data of the top element.
 void *top(StackNode *stack)
 {
+    if (stack == NULL)
+    {
+        return NULL;  // Return NULL if stack is empty.
+    }
 
+    return stack->data;  // Return the value of the top node.
 }
 
 // Clears stack and releases all memory.
 void clearStack(StackNode *stack)
 {
-
+    while (stack != NULL)
+    {
+        stack = pop(stack);  // Pop each element and free memory.
+    }
 }

stack.h

@@ -8,6 +8,10 @@ The latest element is taken from the stack. */
 #include <stdlib.h>
 
 //TODO: passenden Datentyp als struct anlegen
+typedef struct Node {
+    void *data;
+    struct Node* next;
+} StackNode;
 
 // Pushes data as pointer onto the stack.
 StackNode *push(StackNode *stack, void *data);

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;
+
+    clearTree(root);
+    root = NULL;
+
+    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();
+}

test_numbers.c

@@ -0,0 +1,70 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "numbers.h"
+#include "unity.h"
+
+void test_createNumbers() 
+{
+    unsigned int len = 6;
+    unsigned int *array = createNumbers(len);
+    TEST_ASSERT_NOT_NULL(array);
+
+    unsigned int duplicate = getDuplicate(array, len);
+    TEST_ASSERT_NOT_EQUAL(0, duplicate);
+
+    int counter = 0;
+    for (unsigned int i = 0; i < len; i++) 
+    {
+        if (array[i] == duplicate) 
+            counter++;
+    }
+    
+    TEST_ASSERT_EQUAL(2, counter);
+
+    free(array);
+}
+
+void test_createNumbers_values()
+{
+    unsigned int len = 6;
+    unsigned int *array = createNumbers(len);
+    TEST_ASSERT_NOT_NULL(array);
+
+    for (unsigned int i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(array[i] >= 1);
+        TEST_ASSERT_TRUE(array[i] <= 2 * len);
+    }
+
+    free(array);
+}
+
+void test_getDuplicate() 
+{
+    unsigned int array[6] = {1, 2, 4, 4, 6, 7};
+    unsigned int duplicate = getDuplicate(array, 6);
+    TEST_ASSERT_EQUAL_UINT(4, duplicate);
+}
+
+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("\n============================\n Numbers tests\n============================\n");
+
+    RUN_TEST(test_createNumbers);
+    RUN_TEST(test_createNumbers_values);
+    RUN_TEST(test_getDuplicate);
+
+    return UNITY_END();
+}

test_stack.c

@@ -0,0 +1,156 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "stack.h"
+#include "unity.h"
+
+void test_push(void) {
+    StackNode *stack = NULL;
+    int data1 = 10, data2 = 20;
+
+    // Push elements to the stack
+    stack = push(stack, &data1);
+    stack = push(stack, &data2);
+
+    // Check if the stack is not empty
+    TEST_ASSERT_NOT_NULL(stack);
+
+    // Check if the top element is correct
+    int *topData = top(stack);
+    TEST_ASSERT_EQUAL_INT(20, *topData);  // The last pushed element should be on top
+}
+
+void test_push1(void)
+{
+    StackNode *testNode = NULL;
+    int data = 1;
+
+    // Test für leeren Stack
+    testNode = push(testNode, &data);
+    TEST_ASSERT_NOT_NULL(&testNode);
+    TEST_ASSERT_NULL(testNode->next);
+    int *temp = testNode->data;
+    TEST_ASSERT_EQUAL_INT(1, *temp);
+
+    data = 2;
+
+    // Test für nicht leeren Stack
+    testNode = push(testNode, &data);
+    TEST_ASSERT_NOT_NULL(&testNode);
+    TEST_ASSERT_NOT_NULL(testNode->next);
+    TEST_ASSERT_NULL(testNode->next->next);
+    temp = testNode->data;
+    TEST_ASSERT_EQUAL_INT(2, *temp);
+    testNode = testNode->next;
+    temp = testNode->data;
+    TEST_ASSERT_EQUAL_INT(1, *temp);
+}
+
+StackNode* setup(void *data, StackNode* next) {
+    StackNode* node = malloc(sizeof(StackNode)); // allocate memory on heap
+    if (node == NULL) {
+        perror("malloc failed");
+        exit(EXIT_FAILURE); // or handle the error differently
+    }
+    node->data = data;
+    node->next = next;
+    return node;
+}
+void test_pop(void) {
+    StackNode *stack = NULL;
+    int data1 = 10, data2 = 20;
+
+    // Push elements to the stack
+    stack = push(stack, &data1);
+    stack = push(stack, &data2);
+
+    // Pop the top element
+    stack = pop(stack);
+
+    // Check if the top element is now the first pushed element
+    int *topData = top(stack);
+    TEST_ASSERT_EQUAL_INT(10, *topData);  // After popping, the first element should be on top
+
+    // Pop the last element
+    stack = pop(stack);
+
+    // Check if the stack is empty now
+    TEST_ASSERT_NULL(stack);  // Stack should be NULL now
+}
+void test_pop2(void)
+{   
+    int x,y,z;
+    x = 1;
+    y = 2;
+    z = 3;
+    StackNode* node2 = setup(&z, NULL);
+    StackNode* node1 = setup(&y, node2);
+    StackNode* header = setup(&x, node1);
+    StackNode* temp;
+
+    temp = pop(header);
+    int after = 0;
+    while(temp) 
+    {
+        after++;
+        temp = temp->next;
+    }
+
+    
+    TEST_ASSERT_EQUAL_INT(2, after);
+    TEST_ASSERT_NULL(node1->next);
+}
+
+void test_top(void) {
+    StackNode *stack = NULL;
+    int data1 = 10, data2 = 20;
+
+    // Push elements to the stack
+    stack = push(stack, &data1);
+    stack = push(stack, &data2);
+
+    // Check the top element
+    int *topData = top(stack);
+    TEST_ASSERT_EQUAL_INT(20, *topData);  // The top element should be 20 (last pushed)
+
+    // Pop the top element and check the new top
+    stack = pop(stack);
+    topData = top(stack);
+    TEST_ASSERT_EQUAL_INT(10, *topData);  // Now the top element should be 10
+}
+
+void test_top2(void)
+{
+    int x,y,z;
+    x = 1;
+    y = 2;
+    z = 3;
+    StackNode* node2 = setup(&z, NULL);
+    StackNode* node1 = setup(&y, node2);
+    StackNode* header = setup(&x, node1);
+
+    int data = *(int *)top(header);
+    TEST_ASSERT_EQUAL_INT(node2->data, data);
+}
+
+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("============================\nStack tests\n============================\n");
+
+    RUN_TEST(test_push);
+    RUN_TEST(test_pop);
+    RUN_TEST(test_top);
+
+    return UNITY_END();
+}

unittest.h

@@ -0,0 +1,10 @@
+#ifndef UNITTTESTS_H
+#define UNITTTESTS_H
+
+#include <stdio.h>
+
+typedef int (*UnitTestType)(void);
+
+#define RUN_UNIT_TEST(fct) printf("%80s: %d\n", #fct, fct())
+
+#endif