Use default rust directory structure for tests

tests/float.rs

@@ -0,0 +1,73 @@
+extern crate rhai;
+
+use rhai::Engine;
+use rhai::RegisterFn;
+
+#[test]
+fn test_float() {
+    let mut engine = Engine::new();
+
+    if let Ok(result) = engine.eval::<bool>("let x = 0.0; let y = 1.0; x < y") {
+        assert!(result);
+    } else {
+        assert!(false);
+    }
+
+    if let Ok(result) = engine.eval::<bool>("let x = 0.0; let y = 1.0; x > y") {
+        assert!(!result);
+    } else {
+        assert!(false);
+    }
+
+    if let Ok(result) = engine.eval::<f64>("let x = 9.9999; x") {
+        assert_eq!(result, 9.9999);
+    } else {
+        assert!(false);
+    }
+}
+
+#[test]
+fn struct_with_float() {
+    #[derive(Clone)]
+    struct TestStruct {
+        x: f64,
+    }
+
+    impl TestStruct {
+        fn update(&mut self) {
+            self.x += 5.789_f64;
+        }
+
+        fn get_x(&mut self) -> f64 {
+            self.x
+        }
+
+        fn set_x(&mut self, new_x: f64) {
+            self.x = new_x;
+        }
+
+        fn new() -> TestStruct {
+            TestStruct { x: 1.0 }
+        }
+    }
+
+    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::<f64>("let ts = new_ts(); ts.update(); ts.x") {
+        assert_eq!(result, 6.789);
+    } else {
+        assert!(false);
+    }
+
+    if let Ok(result) = engine.eval::<f64>("let ts = new_ts(); ts.x = 10.1001; ts.x") {
+        assert_eq!(result, 10.1001);
+    } else {
+        assert!(false);
+    }
+}