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Task 1/unittest_1.cpp

+#include "../simpletest/simpletest.h"
+#include <iostream>
+#include <cstdlib>
+
+struct Fiber {
+    char stack[StackSize];
+    Context context;
+
+    Fiber(void(*func)(Context*, Context*)) {
+        char* sp = stack + sizeof(stack);
+        sp = reinterpret_cast<char*>((reinterpret_cast<uintptr_t>(sp)) & -16L); // Align stack
+        sp -= 128; // Account for Red Zone
+
+        context.rip = (void*)func;
+        context.rsp = (void*)sp;
+    }
+};
+
+// Test Fiber Stack Alignment
+DEFINE_TEST(TestFiberStackAlignment) {
+    Fiber testFiber([](Context*, Context*){});
+    uintptr_t stackPtr = reinterpret_cast<uintptr_t>(testFiber.context.rsp);
+
+    TEST_EQ(stackPtr % 16, 0);  // Stack should be 16-byte aligned
+}
+
+// Test Fiber Stack Size
+DEFINE_TEST(TestFiberStackSize) {
+    Fiber testFiber([](Context*, Context*){});
+    char* stackBottom = reinterpret_cast<char*>(testFiber.context.rsp);
+    char* stackTop = testFiber.stack;
+
+    TEST_EQ(stackTop - stackBottom, StackSize - 128);  // Check for expected stack size accounting for Red Zone
+}
+
+// Test Fiber Context Initialization
+DEFINE_TEST(TestFiberContextInitialization) {
+    Fiber testFiber([](Context* mc, Context* sc){ swap_context(sc, mc); });
+
+    TEST_NEQ(testFiber.context.rip, nullptr);  // Instruction Pointer should not be null
+    TEST_NEQ(testFiber.context.rsp, nullptr);  // Stack Pointer should not be null
+}
+
+int main() {
+    TestFixture::ExecuteAllTests();
+    return 0;
+}