wasm-bindgen/crates/js-sys/tests/wasm/Error.rs

use wasm_bindgen::JsValue;
use wasm_bindgen_test::*;
use wasm_bindgen::JsCast;
use js_sys::*;

#[wasm_bindgen_test]
fn new() {
    let error = Error::new("some message");
    assert_eq!(JsValue::from(error.message()), "some message");
}

#[wasm_bindgen_test]
fn set_message() {
    let error = Error::new("test");
    error.set_message("another");
    assert_eq!(JsValue::from(error.message()), "another");
}

#[wasm_bindgen_test]
fn name() {
    let error = Error::new("test");
    assert_eq!(JsValue::from(error.name()), "Error");
}

#[wasm_bindgen_test]
fn set_name() {
    let error = Error::new("test");
    error.set_name("different");
    assert_eq!(JsValue::from(error.name()), "different");
}

#[wasm_bindgen_test]
fn to_string() {
    let error = Error::new("error message 1");
    assert_eq!(JsValue::from(error.to_string()), "Error: error message 1");
    error.set_name("error_name_1");
    assert_eq!(JsValue::from(error.to_string()), "error_name_1: error message 1");
}

#[wasm_bindgen_test]
fn error_inheritance() {
    let error = Error::new("test");
    assert!(error.is_instance_of::<Error>());
    assert!(error.is_instance_of::<Object>());
    let _: &Object = error.as_ref();
}