diff --git a/Task 1/unittest_1.cpp b/Task 1/unittest_1.cpp
index 535a0d2c2f8efc974b684b24edc8d14fc1f0fbdf..26eb8986be03491fd5a9157af4fab1300b4d9cf0 100644
--- a/Task 1/unittest_1.cpp	
+++ b/Task 1/unittest_1.cpp	
@@ -28,14 +28,17 @@ DEFINE_TEST(TestFiberStackAlignment) {
 }
 
 // Test Fiber Stack Size
-DEFINE_TEST(TestFiberStackSize) {
-    Fiber testFiber([](Context*, Context*){});
-    char* stackBottom = testFiber.stack_bottom_; // Assuming stack_bottom_ points to the beginning of the stack
-    char* stackTop = testFiber.stack_top_; // stack_top_ should point to the top of the stack (end of allocation)
+DEFINE_TEST(TestFiberStackAlignmentAndPosition) {
+    Fiber testFiber([](Context*, Context*){}, nullptr);
+    uintptr_t stackPtr = reinterpret_cast<uintptr_t>(testFiber.context.rsp);
+
+    // Check alignment
+    TEST_EQ(stackPtr % 16, 0);  // Stack should be 16-byte aligned
 
-    // Since stack grows downwards, stackTop should be a smaller address than stackBottom
-    int actualStackSize = stackBottom - stackTop;
-    TEST_EQ(actualStackSize, StackSize - 128);  // Check for expected stack size accounting for Red Zone
+    // Assuming the stack grows downwards, stackPtr should be less than the address of stack[]
+    uintptr_t stackArrayPtr = reinterpret_cast<uintptr_t>(testFiber.stack);
+    TEST_TRUE(stackPtr < stackArrayPtr);
+    TEST_TRUE(stackPtr >= stackArrayPtr - StackSize); // Within the bounds of the stack
 }
 
 // Test Fiber Context Initialization