From 70406fe18a84ad6502f68a129ece2e699fddfa8a Mon Sep 17 00:00:00 2001
From: Andrew Chin <achin@eminence32.net>
Date: Thu, 9 Aug 2018 19:21:06 -0400
Subject: [PATCH] Add support and tests for EvalError

---
 crates/js-sys/src/lib.rs              | 17 +++++++++
 crates/js-sys/tests/wasm/EvalError.rs | 55 +++++++++++++++++++++++++++
 crates/js-sys/tests/wasm/main.rs      |  1 +
 3 files changed, 73 insertions(+)
 create mode 100644 crates/js-sys/tests/wasm/EvalError.rs

diff --git a/crates/js-sys/src/lib.rs b/crates/js-sys/src/lib.rs
index e0f01f7bc..b6b6e36af 100644
--- a/crates/js-sys/src/lib.rs
+++ b/crates/js-sys/src/lib.rs
@@ -627,6 +627,23 @@ extern "C" {
     pub fn to_string(this: &Error) -> JsString;
 }
 
+// EvalError
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen(extends = Object, extends = Error)]
+    #[derive(Clone, Debug)]
+    pub type EvalError;
+
+    /// The EvalError object indicates an error regarding the global eval() function. This
+    /// exception is not thrown by JavaScript anymore, however the EvalError object remains for
+    /// compatibility.
+    ///
+    /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/EvalError
+    #[wasm_bindgen(constructor)]
+    pub fn new(message: &str) -> EvalError;
+}
+
+
 // Float32Array
 #[wasm_bindgen]
 extern "C" {
diff --git a/crates/js-sys/tests/wasm/EvalError.rs b/crates/js-sys/tests/wasm/EvalError.rs
new file mode 100644
index 000000000..d1deb73ae
--- /dev/null
+++ b/crates/js-sys/tests/wasm/EvalError.rs
@@ -0,0 +1,55 @@
+use wasm_bindgen::JsValue;
+use wasm_bindgen_test::*;
+use wasm_bindgen::JsCast;
+use js_sys::*;
+
+// Note: This error is not thrown any more, so there are no tests that will generate this error.
+// Instead we just have to manually construct it
+
+#[wasm_bindgen_test]
+fn new() {
+    let error = EvalError::new("some message");
+    let base_error: &Error = error.dyn_ref().unwrap();
+    assert_eq!(JsValue::from(base_error.message()), "some message");
+}
+
+#[wasm_bindgen_test]
+fn set_message() {
+    let error = EvalError::new("test");
+    let base_error: &Error = error.dyn_ref().unwrap();
+    base_error.set_message("another");
+    assert_eq!(JsValue::from(base_error.message()), "another");
+}
+
+#[wasm_bindgen_test]
+fn name() {
+    let error = EvalError::new("test");
+    let base_error: &Error = error.dyn_ref().unwrap();
+    assert_eq!(JsValue::from(base_error.name()), "EvalError");
+}
+
+#[wasm_bindgen_test]
+fn set_name() {
+    let error = EvalError::new("test");
+    let base_error: &Error = error.dyn_ref().unwrap();
+    base_error.set_name("different");
+    assert_eq!(JsValue::from(base_error.name()), "different");
+}
+
+#[wasm_bindgen_test]
+fn to_string() {
+    let error = EvalError::new("error message 1");
+    let base_error: &Error = error.dyn_ref().unwrap();
+    assert_eq!(JsValue::from(base_error.to_string()), "EvalError: error message 1");
+    base_error.set_name("error_name_1");
+    assert_eq!(JsValue::from(base_error.to_string()), "error_name_1: error message 1");
+}
+
+
+#[wasm_bindgen_test]
+fn evalerror_inheritance() {
+    let error = EvalError::new("some message");
+    assert!(error.is_instance_of::<EvalError>());
+    assert!(error.is_instance_of::<Error>());
+    assert!(error.is_instance_of::<Object>());
+}
diff --git a/crates/js-sys/tests/wasm/main.rs b/crates/js-sys/tests/wasm/main.rs
index 1c4414b07..9b8b2f536 100755
--- a/crates/js-sys/tests/wasm/main.rs
+++ b/crates/js-sys/tests/wasm/main.rs
@@ -14,6 +14,7 @@ pub mod Boolean;
 pub mod DataView;
 pub mod Date;
 pub mod Error;
+pub mod EvalError;
 pub mod Function;
 pub mod Generator;
 pub mod Intl;