From 4cfe6d9c50c0a009fd023e3f3e5e80b5a764c397 Mon Sep 17 00:00:00 2001
From: Simon <simon.d.may@proton.me>
Date: Mon, 24 Nov 2025 17:53:43 +0100
Subject: [PATCH] added test_push and fixed stack cast

---
 stack.c      |  3 +--
 test_stack.c | 22 +++++++++++++++++++---
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/stack.c b/stack.c
index d28f240..2315722 100644
--- a/stack.c
+++ b/stack.c
@@ -13,8 +13,7 @@ StackNode *push(StackNode *stack, void *data)
     StackNode *tempNode, *newNode;
 
     newNode = malloc(sizeof(StackNode));
-    newNode->value = (intptr_t) data;
-    //newNode->value = 3;
+    newNode->value = *(int *)data;
     newNode->next = NULL;
 
     if (stack == NULL)
diff --git a/test_stack.c b/test_stack.c
index ff47eb7..c9b71cf 100644
--- a/test_stack.c
+++ b/test_stack.c
@@ -5,15 +5,31 @@
 
 void test_push(void)
 {
+    StackNode *testNode;
+    int data = 1;
 
-    int value = 3;
-    TEST_ASSERT_NOT_NULL(push(NULL, &value));
-    TEST_ASSERT_EQUAL_INT(value, (intptr_t) push(NULL, &value)->value);
+    // 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)