Initial Course

modules/05_pointers_and_references/test/pointer_basics_test.cpp

@@ -0,0 +1,21 @@
+#include "pointer_basics.hpp"
+#include <gtest/gtest.h>
+
+TEST(PointerBasics, GetSetValue) {
+    int x = 42;
+    pointers::set_value(&x, 100);
+    EXPECT_EQ(pointers::get_value(&x), 100);
+}
+
+TEST(PointerBasics, IsNull) {
+    EXPECT_TRUE(pointers::is_null(nullptr));
+    int x = 1;
+    EXPECT_FALSE(pointers::is_null(&x));
+}
+
+TEST(PointerBasics, SwapViaPointers) {
+    int a = 1, b = 2;
+    pointers::swap_via_pointers(&a, &b);
+    EXPECT_EQ(a, 2);
+    EXPECT_EQ(b, 1);
+}