Unit_Tests im makefile implementiert und test_stack.c fertig geschrieben
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6
makefile
6
makefile
@ -36,14 +36,14 @@ $(program_obj_filesobj_files): %.o: %.c
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# Unit Tests
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# Unit Tests
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# --------------------------
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# --------------------------
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unitTests:
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unitTests:
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echo "needs to be implemented"
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$(CC) $(FLAGS) $^ -o test_stack test_stack.c stack.c -Wall && ./test_stack
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# --------------------------
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# --------------------------
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# Clean
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# Clean
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# --------------------------
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# --------------------------
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clean:
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clean:
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ifeq ($(OS),Windows_NT)
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ifeq ($(OS),Windows_NT)
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del /f *.o doble
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del /f *.o doble test_stack
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else
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else
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rm -f *.o doble
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rm -f *.o doble test_stack
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endif
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endif
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2
stack.h
2
stack.h
@ -8,7 +8,7 @@ The latest element is taken from the stack. */
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#include <stdlib.h>
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#include <stdlib.h>
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//TODO: passenden Datentyp als struct anlegen
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//TODO: passenden Datentyp als struct anlegen
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typedef struct
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typedef struct StackNode
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{
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{
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void *data;
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void *data;
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struct StackNode *next;
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struct StackNode *next;
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119
test_stack.c
119
test_stack.c
@ -52,6 +52,120 @@ void test_pushAndTop()
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clearStack(stack);
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clearStack(stack);
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}
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}
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//Test 3 mehrmaliges pushen
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void test_multiplePush()
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{
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StackNode *stack = NULL;
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//Speicher für Werte allokieren
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int *val1 = (int *) malloc(sizeof(int));
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int *val2 = (int *) malloc(sizeof(int));
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int *val3 = (int *) malloc(sizeof(int));
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*val1 = 10;
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*val2 = 20;
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*val3 = 30;
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//Testwerte auf den Stack legen
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stack = push(stack, val1);
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stack = push(stack, val2);
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stack = push(stack, val3);
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// Oberster Wert sollte 30 sein (LIFO)
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int *topVal = (int *)top(stack);
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int passed = (topVal != NULL && *topVal == 30);
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printTestResult("Test 3: Mehrfache push() - LIFO-Prinzip", passed);
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// Aufräumen
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free(val1);
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free(val2);
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free(val3);
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clearStack(stack);
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}
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// Test 4: Push und Pop
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void test_pushAndPop()
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{
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StackNode *stack = NULL;
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// Drei Werte auf den Stack legen
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int *val1 = (int *)malloc(sizeof(int));
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int *val2 = (int *)malloc(sizeof(int));
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int *val3 = (int *)malloc(sizeof(int));
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*val1 = 100;
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*val2 = 200;
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*val3 = 300;
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stack = push(stack, val1);
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stack = push(stack, val2);
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stack = push(stack, val3);
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// Oberster Wert: 300
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int *topVal1 = (int *)top(stack);
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int test1 = (topVal1 != NULL && *topVal1 == 300);
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// Pop - neuer oberster Wert: 200
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stack = pop(stack);
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int *topVal2 = (int *)top(stack);
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int test2 = (topVal2 != NULL && *topVal2 == 200);
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// Pop - neuer oberster Wert: 100
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stack = pop(stack);
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int *topVal3 = (int *)top(stack);
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int test3 = (topVal3 != NULL && *topVal3 == 100);
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// Pop - Stack sollte leer sein
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stack = pop(stack);
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int test4 = (stack == NULL);
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int passed = test1 && test2 && test3 && test4;
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printTestResult("Test 4: push() und pop() - Korrekte Reihenfolge", passed);
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// Aufräumen
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free(val1);
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free(val2);
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free(val3);
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}
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// Test 5: ClearStack
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void test_clearStack()
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{
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StackNode *stack = NULL;
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// Mehrere Werte auf den Stack legen
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int *val1 = (int *)malloc(sizeof(int));
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int *val2 = (int *)malloc(sizeof(int));
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int *val3 = (int *)malloc(sizeof(int));
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int *val4 = (int *)malloc(sizeof(int));
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int *val5 = (int *)malloc(sizeof(int));
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*val1 = 1;
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*val2 = 2;
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*val3 = 3;
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*val4 = 4;
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*val5 = 5;
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stack = push(stack, val1);
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stack = push(stack, val2);
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stack = push(stack, val3);
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stack = push(stack, val4);
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stack = push(stack, val5);
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// Stack löschen
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clearStack(stack);
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stack = NULL; // Nach clearStack ist der Stack leer
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printTestResult("Test 5: clearStack() - Alle Knoten freigegeben", 1);
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// Daten müssen manuell freigegeben werden (Verantwortung des Aufrufers)
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free(val1);
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free(val2);
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free(val3);
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free(val4);
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free(val5);
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}
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int main()
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int main()
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{
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{
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@ -59,7 +173,7 @@ int main()
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test_emptyStack();
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test_emptyStack();
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test_pushAndTop();
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test_pushAndTop();
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/*test_multiplePush();
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test_multiplePush();
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test_pushAndPop();
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test_pushAndPop();
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test_clearStack();
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test_clearStack();
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/*test_stressTest();*/
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/*test_stressTest();*/
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@ -67,9 +181,6 @@ int main()
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printf("\n=== Alle Tests abgeschlossen ===\n");
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printf("\n=== Alle Tests abgeschlossen ===\n");
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printf("\nCode-Review: Speicherverwaltung\n");
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printf("\nCode-Review: Speicherverwaltung\n");
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printf("--------------------------------\n");
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printf("--------------------------------\n");
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printf("✓ Alle mit malloc() allokierten Integer-Werte werden mit free() freigegeben\n");
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printf("✓ Alle StackNode-Strukturen werden durch pop() oder clearStack() freigegeben\n");
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printf("✓ Keine Memory-Leaks vorhanden\n");
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printf("✓ Aufrufer gibt Daten frei, Stack-Funktionen geben Knoten frei\n");
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printf("✓ Aufrufer gibt Daten frei, Stack-Funktionen geben Knoten frei\n");
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return 0;
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return 0;
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