1 files changed, 26 insertions, 0 deletions
diff --git a/tests/features/test_smart_derive.zc b/tests/features/test_smart_derive.zc
new file mode 100644
index 0000000..705a12f
--- /dev/null
+++ b/tests/features/test_smart_derive.zc
@@ -0,0 +1,26 @@
+
+@derive(Eq)
+struct Container {
+    val: int;
+}
+
+// Ensure derived eq uses pointers by trying to use 'c2' after comparison
+test "eq_moves" {
+    var c1 = Container { val: 10 };
+    var c2 = Container { val: 10 };
+    
+    // This should call Container__eq(&c1, &c2)
+    // If it passed by value, c2 would be moved here
+    if c1 == c2 {
+        // c2 must still be valid
+        assert(c2.val == 10, "c2 moved during equality check!");
+    } else {
+        assert(false, "c1 != c2");
+    }
+    
+    // Explicitly verify c2 is still valid
+    c2.val = 20;
+    assert(c2.val == 20, "c2 invalid");
+    
+    println "Smart Derive Eq Works!";
+}