added tests

tests/general/unit_test_reverse_enineering.cpp

@@ -20,6 +20,11 @@ public:
     int m_health{123};
 };
 
+// Free functions that mimic member function calling convention (this as first arg)
+inline int free_add(void* /*this_ptr*/, int a, int b) { return a + b; }
+inline float free_scale(void* /*this_ptr*/, float val, float factor) { return val * factor; }
+inline int free_get_42(const void* /*this_ptr*/) { return 42; }
+
 class RevPlayer final : omath::rev_eng::InternalReverseEngineeredObject
 {
 public:
@@ -51,6 +56,22 @@ public:
     {
         return call_virtual_method<1, int>();
     }
+
+    // Wrappers exposing call_method for testing
+    int call_add(int a, int b)
+    {
+        return call_method<int>(reinterpret_cast<const void*>(&free_add), a, b);
+    }
+
+    float call_scale(float val, float factor)
+    {
+        return call_method<float>(reinterpret_cast<const void*>(&free_scale), val, factor);
+    }
+
+    int call_get_42() const
+    {
+        return call_method<int>(reinterpret_cast<const void*>(&free_get_42));
+    }
 };
 
 TEST(unit_test_reverse_enineering, read_test)
@@ -65,3 +86,49 @@ TEST(unit_test_reverse_enineering, read_test)
     EXPECT_EQ(player_original.foo(), player_reversed->rev_foo());
     EXPECT_EQ(player_original.bar(), player_reversed->rev_bar_const());
 }
+
+TEST(unit_test_reverse_enineering, call_method_with_args)
+{
+    Player player_original;
+    auto* player_reversed = reinterpret_cast<RevPlayer*>(&player_original);
+
+    EXPECT_EQ(free_add(nullptr, 3, 4), player_reversed->call_add(3, 4));
+    EXPECT_EQ(7, player_reversed->call_add(3, 4));
+}
+
+TEST(unit_test_reverse_enineering, call_method_float_args)
+{
+    Player player_original;
+    auto* player_reversed = reinterpret_cast<RevPlayer*>(&player_original);
+
+    EXPECT_FLOAT_EQ(6.0f, player_reversed->call_scale(2.0f, 3.0f));
+    EXPECT_FLOAT_EQ(0.0f, player_reversed->call_scale(0.0f, 100.0f));
+    EXPECT_FLOAT_EQ(-5.0f, player_reversed->call_scale(5.0f, -1.0f));
+}
+
+TEST(unit_test_reverse_enineering, call_method_const)
+{
+    Player player_original;
+    const auto* player_reversed = reinterpret_cast<const RevPlayer*>(&player_original);
+
+    EXPECT_EQ(42, player_reversed->call_get_42());
+}
+
+TEST(unit_test_reverse_enineering, call_method_no_extra_args)
+{
+    Player player_original;
+    const auto* player_reversed = reinterpret_cast<const RevPlayer*>(&player_original);
+
+    // call_get_42 takes no arguments beyond this — verifies zero-arg pack works
+    EXPECT_EQ(42, player_reversed->call_get_42());
+}
+
+TEST(unit_test_reverse_enineering, call_virtual_method_delegates_to_call_method)
+{
+    // call_virtual_method now internally uses call_method — verify both vtable slots
+    Player player_original;
+    auto* player_reversed = reinterpret_cast<RevPlayer*>(&player_original);
+
+    EXPECT_EQ(1, player_reversed->rev_foo());
+    EXPECT_EQ(2, player_reversed->rev_bar());
+}