Port Error tests to wasm

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

@@ -0,0 +1,37 @@
+use wasm_bindgen::JsValue;
+use wasm_bindgen_test::*;
+use js_sys::*;
+
+#[wasm_bindgen_test]
+fn new() {
+    let error = Error::new(&"some message".into());
+    assert_eq!(JsValue::from(error.message()), "some message");
+}
+
+#[wasm_bindgen_test]
+fn set_message() {
+    let error = Error::new(&"test".into());
+    error.set_message(&"another".into());
+    assert_eq!(JsValue::from(error.message()), "another");
+}
+
+#[wasm_bindgen_test]
+fn name() {
+    let error = Error::new(&"test".into());
+    assert_eq!(JsValue::from(error.name()), "Error");
+}
+
+#[wasm_bindgen_test]
+fn set_name() {
+    let error = Error::new(&"test".into());
+    error.set_name(&"different".into());
+    assert_eq!(JsValue::from(error.name()), "different");
+}
+
+#[wasm_bindgen_test]
+fn to_string() {
+    let error = Error::new(&"error message 1".into());
+    assert_eq!(JsValue::from(error.to_string()), "Error: error message 1");
+    error.set_name(&"error_name_1".into());
+    assert_eq!(JsValue::from(error.to_string()), "error_name_1: error message 1");
+}