separated tests for mergability

src/tests/arrays.rs

@@ -0,0 +1,66 @@
+use engine::Engine;
+use fn_register::FnRegister;
+
+#[test]
+fn test_arrays() {
+    let mut engine = Engine::new();
+
+    if let Ok(result) = engine.eval::<i64>("let x = [1, 2, 3]; x[1]") {
+        assert_eq!(result, 2);
+    } else {
+        assert!(false);
+    }
+
+    if let Ok(result) = engine.eval::<i64>("let y = [1, 2, 3]; y[1] = 5; y[1]") {
+        assert_eq!(result, 5);
+    } else {
+        assert!(false);
+    }
+}
+
+#[test]
+fn test_array_with_structs() {
+    #[derive(Clone)]
+    struct TestStruct {
+        x: i64,
+    }
+
+    impl TestStruct {
+        fn update(&mut self) {
+            self.x += 1000;
+        }
+
+        fn get_x(&mut self) -> i64 {
+            self.x
+        }
+
+        fn set_x(&mut self, new_x: i64) {
+            self.x = new_x;
+        }
+
+        fn new() -> TestStruct {
+            TestStruct { x: 1 }
+        }
+    }
+
+    let mut engine = Engine::new();
+
+    engine.register_type::<TestStruct>();
+
+    engine.register_get_set("x", TestStruct::get_x, TestStruct::set_x);
+    engine.register_fn("update", TestStruct::update);
+    engine.register_fn("new_ts", TestStruct::new);
+
+    if let Ok(result) = engine.eval::<i64>("let a = [new_ts()]; a[0].x") {
+        assert_eq!(result, 1);
+    } else {
+        assert!(false);
+    }
+
+    if let Ok(result) = engine.eval::<i64>("let a = [new_ts()]; a[0].x = 100; a[0].update(); \
+                                            a[0].x") {
+        assert_eq!(result, 1100);
+    } else {
+        assert!(false);
+    }
+}