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8 Commits

Author SHA1 Message Date
7127fe6d3f makefile verändert 2025-12-11 11:55:13 +01:00
44434a8c67 makefile verändert 2025-12-11 11:54:52 +01:00
5ee0f97dc6 test 1 2025-12-11 11:42:46 +01:00
6dd963c40e makefile verändert 2025-12-11 11:40:17 +01:00
3b0a8a24ff weitere test funktionen bearbeitet 2025-12-11 11:25:45 +01:00
8f4ab58000 test_pop überarbeitet 2025-12-11 11:23:31 +01:00
be37b3ff21 Unity Tests für stack.c geschrieben 2025-12-11 11:15:44 +01:00
1c1ba9e471 stack.c funktion und typedef struct in .h geschrieben 2025-12-11 10:42:52 +01:00
15 changed files with 14 additions and 280 deletions

111
bintree.c
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@ -2,67 +2,17 @@
#include "stack.h" #include "stack.h"
#include "bintree.h" #include "bintree.h"
// TODO: binären Suchbaum implementieren //TODO: binären Suchbaum implementieren
/* * `addToTree`: fügt ein neues Element in den Baum ein (rekursiv), /* * `addToTree`: fügt ein neues Element in den Baum ein (rekursiv),
* `clearTree`: gibt den gesamten Baum frei (rekursiv), * `clearTree`: gibt den gesamten Baum frei (rekursiv),
* `treeSize`: zählt die Knoten im Baum (rekursiv), * `treeSize`: zählt die Knoten im Baum (rekursiv),
* `nextTreeData`: Traversierung mit Hilfe des zuvor implementierten Stacks. */ * `nextTreeData`: Traversierung mit Hilfe des zuvor implementierten Stacks. */
// Adds a copy of data's pointer destination to the tree using compareFct for ordering. Accepts duplicates // Adds a copy of data's pointer destination to the tree using compareFct for ordering. Accepts duplicates
// if isDuplicate is NULL, otherwise ignores duplicates and sets isDuplicate to 1 (or to 0 if a new entry is added). // 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 *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFctType compareFct, int *isDuplicate)
{ {
if (isDuplicate)
*isDuplicate = 0;
// Wenn kein Knoten angelegt
if (root == NULL)
{
// Neuen Knoten erstellen
TreeNode *newNode = malloc(sizeof(TreeNode));
if (!newNode)
return NULL;
// mit Daten füllen
newNode->data = malloc(dataSize);
if (!(newNode->data))
{
free(newNode);
return NULL;
}
memcpy(newNode->data, data, dataSize);
newNode->left = NULL; // Kinder NULL setzen
newNode->right = NULL;
return newNode;
}
// auf Doppellungen überprüfen, daten/werte vergelichen
// int cmp = compareFct(data, root->data);
int cmp = compareFct(data, root->data);
if (cmp == 0) // Duplikat erkannt
{
if (isDuplicate) // nicht einfügen
{
*isDuplicate = 1;
return root;
}
else // einfügen erlaubt
{
root->right = addToTree(root->right, data, dataSize, compareFct, NULL);
return root;
}
}
// kein Duplikat
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);
}
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. // 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.
@ -70,66 +20,17 @@ TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFc
// push the top node and push all its left nodes. // push the top node and push all its left nodes.
void *nextTreeData(TreeNode *root) void *nextTreeData(TreeNode *root)
{ {
static StackNode *stack = NULL; // Stack für Iterator
static TreeNode *lastRoot = NULL;
TreeNode *currentNode;
if (root != NULL) // Initialisierung bei erstem Aufruf
{
lastRoot = root;
if (stack)
{
clearStack(stack);
stack = NULL;
}
//leeren Stack initialisieren
stack = NULL;
// alle linken Knoten vom Wurzelknoten pushen
currentNode = root;
while (currentNode)
{
stack = push(stack, currentNode);
currentNode = currentNode->left;
}
}
// Stack ist leer, keine Daten mehr
if (!stack)
return NULL;
TreeNode *newNode = (TreeNode *)top(stack);
// Stack-Knoten entfernen
stack = pop(stack);
// Wenn rechter Teilbaum vorhanden → alle linken Knoten pushen
currentNode = newNode->right;
while (currentNode)
{
stack = push(stack, currentNode);
currentNode = currentNode->left;
}
return newNode->data; // Daten zurückgeben
} }
// Releases all memory resources (including data copies). // Releases all memory resources (including data copies).
void clearTree(TreeNode *root) void clearTree(TreeNode *root)
{ {
if (root)
{
clearTree(root->left);
clearTree(root->right);
free(root->data);
free(root);
}
} }
// Returns the number of entries in the tree given by root. // Returns the number of entries in the tree given by root.
unsigned int treeSize(const TreeNode *root) unsigned int treeSize(const TreeNode *root)
{ {
unsigned int size = 0;
if (root == NULL)
return 0;
size = 1 + treeSize(root->left) + treeSize(root->right);
return size;
} }

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bintree.o

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doble.exe

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@ -1,10 +1 @@
player_name;8964
player_name;6979
player_name;5988
player_name;5987
player_name;4982
player1;3999 player1;3999
player_name;3992
player_name;3989
player_name;2996
player_name;2996

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main.o

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@ -35,12 +35,11 @@ $(program_obj_filesobj_files): %.o: %.c
# -------------------------- # --------------------------
# Unit Tests # Unit Tests
# -------------------------- # --------------------------
unitTests: numbers.o test_numbers.c bintree.o $(unityfolder)/unity.c
$(CC) $(FLAGS) -I$(unityfolder) -o runtest_numbers test_numbers.c numbers.o bintree.o $(unityfolder)/unity.c
unitTestsStack: stack.o test_stack.c $(unityfolder)/unity.c unitTestsStack: stack.o test_stack.c $(unityfolder)/unity.c
$(CC) $(FLAGS) -I$(unityfolder) $^ -o $@ $(CC) $(FLAGS) -I$(unityfolder) $^ -o $@
# -------------------------- # --------------------------
# Clean # Clean
# -------------------------- # --------------------------

112
numbers.c
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@ -5,126 +5,22 @@
#include "numbers.h" #include "numbers.h"
#include "bintree.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. /* * * Erzeugen eines Arrays mit der vom Nutzer eingegebenen Anzahl an Zufallszahlen.
* Sicherstellen, dass beim Befüllen keine Duplikate entstehen. * Sicherstellen, dass beim Befüllen keine Duplikate entstehen.
* Duplizieren eines zufälligen Eintrags im Array. * Duplizieren eines zufälligen Eintrags im Array.
* in `getDuplicate()`: Sortieren des Arrays und Erkennen der doppelten Zahl durch Vergleich benachbarter Elemente. */ * in `getDuplicate()`: Sortieren des Arrays und Erkennen der doppelten Zahl durch Vergleich benachbarter Elemente. */
// Returns len random numbers between 1 and 2x len in random order which are all different, except for two entries. // 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 // Returns NULL on errors. Use your implementation of the binary search tree to check for possible duplicates while
// creating random numbers. // creating random numbers.
/*
// ohne Binärbaum
unsigned int *createNumbers(unsigned int len) unsigned int *createNumbers(unsigned int len)
{ {
if (len <= 2)
return NULL;
// Zufallszahlen erzeugen
srand(time(NULL));
unsigned int *numbers = malloc(len * sizeof(unsigned int));
// prüfen, ob Speicher richtig reserviert wurde
if (numbers == NULL)
{
printf("Es konnte nicht genügend Speicher reserviert werden");
free(numbers);
return NULL;
}
// einsetzen der Zahlen ins array
for (size_t i = 0; i < len; i++)
{
numbers[i] = rand() % ((2 * len) + 1);
// stellt sicher, dass keine Duplikate vorhanden sind
for (size_t j = 0; j < i; j++)
{
if (numbers[i] == numbers[j])
{
i--;
break;
}
}
}
//duplizierte Zahl hinzufügen
unsigned int dupIndex = rand() % len;
unsigned int targetIndex = rand() % len;
if (dupIndex != targetIndex)
{
numbers[targetIndex] = numbers[dupIndex];
}
return numbers;
free(numbers);
}
*/
int compare(const void *a, const void *b)
{
return (*(int *)a - *(int *)b);
}
// mit Binärbaum
unsigned int *createNumbers(unsigned int len)
{
if (len <= 2)
return NULL;
// Zufallszahlen erzeugen
srand(time(NULL));
unsigned int *numbers = malloc(len * sizeof(unsigned int));
// prüfen, ob Speicher richtig reserviert wurde
if (numbers == NULL)
{
printf("Es konnte nicht genügend Speicher reserviert werden");
free(numbers);
return NULL;
}
// fügt zufällige Zahlen in das Array ein
TreeNode *root = NULL;
for (size_t i = 0; i < len; i++)
{
unsigned int isDup = 0;
numbers[i] = (rand() % (2 * len)) + 1;
//prüft, ob die Zahl schon vorhanden ist
root = addToTree(root, &numbers, sizeof(numbers), compare, &isDup);
if (isDup != 1)
{
i--;
}
}
//duplizierte Zahl hinzufügen
unsigned int dupIndex = rand() % len;
unsigned int targetIndex = rand() % len;
//FOR-SCHLEIFE VERWENDEN!!!!!!!!!!!!!!!!!!!!!!!!
if (dupIndex != targetIndex)
{
numbers[targetIndex] = numbers[dupIndex];
}
return numbers;
clearTree(root);
free(numbers);
} }
// Returns only the only number in numbers which is present twice. Returns zero on errors. // Returns only the only number in numbers which is present twice. Returns zero on errors.
unsigned int getDuplicate(const unsigned int numbers[], unsigned int len) unsigned int getDuplicate(const unsigned int numbers[], unsigned int len)
{ {
unsigned int dobble;
// neues Array zum reinkopieren initialisieren
unsigned int *nums = malloc(len * sizeof(unsigned int));
for (int l = 0; l < len; l++)
nums[l] = numbers[l];
// array sortieren
qsort(nums, len, sizeof(unsigned int), compare);
for (int k = 0; k < len; k++)
{
if (nums[k] == nums[k + 1])
{
dobble = nums[k];
break;
}
}
return dobble;
free(nums);
} }

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numbers.o

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@ -32,7 +32,8 @@ StackNode *pop(StackNode *stack)
StackNode *newTop = stack->next; StackNode *newTop = stack->next;
// Daten gehen verloren!
// Caller KANN sie nicht freigeben.
free(stack); free(stack);
return newTop; return newTop;

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stack.o

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@ -1,54 +0,0 @@
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <string.h>
#include "numbers.h"
#include "bintree.h"
#include "unity.h"
//überprüft, dass die Funktion nicht NULL zurückgibt
void test_create_Numbers_notNull(void){
unsigned int* numbers = createNumbers(10);
TEST_ASSERT_NOT_NULL(numbers);
free(numbers);
}
// überprüft, ob die generierten Zufallszahlen innerhalb des Intervalls sind
void test_create_Numbers_randoms_inside_Value_range(void){
unsigned int len = 10;
unsigned int* numbers = createNumbers(len);
for(size_t i = 0; i < len; i++)
TEST_ASSERT_LESS_OR_EQUAL(2 * len + 1, numbers[i]);
free(numbers);
}
// überprüft, ob getDuplicate,die richtige doppelte Zahl findet
void test_get_duplicate_returns_correct_dobble(void){
unsigned int numbers [5] = {1,2,3,4,2};
unsigned int len = 5;
unsigned int expected_result = 2;
unsigned int result = getDuplicate(numbers, len);
TEST_ASSERT_EQUAL_UINT32(expected_result, result);
}
void setUp(void) {
}
void tearDown(void) {
}
int main()
{
UNITY_BEGIN();
printf("\n============================\nNumbers tests\n============================\n");
RUN_TEST(test_get_duplicate_returns_correct_dobble);
RUN_TEST(test_create_Numbers_notNull);
RUN_TEST(test_create_Numbers_randoms_inside_Value_range);
return UNITY_END();
}

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timer.o

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unitTestsStack.exe Normal file

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