1 use js_sys::*;
2 use wasm_bindgen::JsCast;
3 use wasm_bindgen::JsValue;
4 use wasm_bindgen_test::*;
5 
6 #[wasm_bindgen_test]
type_error()7 fn type_error() {
8     let error = TypeError::new("msg");
9     assert!(error.is_instance_of::<TypeError>());
10     assert!(error.is_instance_of::<Error>());
11     assert!(error.is_instance_of::<Object>());
12     let _: &Error = error.as_ref();
13     let _: &Object = error.as_ref();
14 
15     let base: &Error = error.as_ref();
16     assert_eq!(JsValue::from(base.message()), "msg");
17 }
18