Merge pull request 'simons_zweig' (#1) from simons_zweig into main

Reviewed-on: #1

stack.c

@@ -13,7 +13,7 @@ StackNode *push(StackNode *stack, void *data)
     StackNode *tempNode, *newNode;
 
     newNode = malloc(sizeof(StackNode));
-    newNode->value = 3;
+    newNode->value = *(int *)data;
     newNode->next = NULL;
 
     if (stack == NULL)

test_stack.c

@@ -3,9 +3,45 @@
 #include "stack.h"
 #include "unity.h"
 
+void test_push(void)
+{
+    StackNode *testNode;
+    int data = 1;
+
+    // Test für leeren Stack
+    testNode = push(NULL, &data);
+    TEST_ASSERT_NOT_NULL(&testNode);
+    TEST_ASSERT_NULL(testNode->next);
+    TEST_ASSERT_EQUAL_INT(1, testNode->value);
+
+    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);
+    TEST_ASSERT_EQUAL_INT(1, testNode->value);
+    TEST_ASSERT_EQUAL_INT(2, testNode->next->value);
+}
+
 void test_pop(void)
 {
+    
     TEST_ASSERT_NULL(pop(NULL));
+
+}
+
+void test_top(void)
+{
+
+    TEST_ASSERT_NULL(top(NULL));
+}
+
+void test_clear(void)
+{
+
+    // TEST_ASSERT_NULL(clearStack(NULL));
 }
 
 void setUp(void) {
@@ -22,7 +58,10 @@ int main()
 
     printf("============================\nStack tests\n============================\n");
 
+    RUN_TEST(test_push);
     RUN_TEST(test_pop);
+    RUN_TEST(test_top);
+    RUN_TEST(test_clear);
 
     return UNITY_END();
 }