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js-sys: Catch exceptions thrown in Reflect APIs

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Proxies passed to Reflect APIs can throw for any of these operations and it is a
bit of a mess.
This commit is contained in:
Nick Fitzgerald
2018-09-25 11:55:28 -07:00
parent 6edb871c36
commit e3d2ea2628
10 changed files with 171 additions and 92 deletions
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20
crates/js-sys/tests/wasm/Object.rs
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@ -57,23 +57,23 @@ fn assign() {
let c = JsValue::from("c");
let target = Object::new();
Reflect::set(target.as_ref(), a.as_ref(), a.as_ref());
Reflect::set(target.as_ref(), a.as_ref(), a.as_ref()).unwrap();
let src1 = Object::new();
Reflect::set(src1.as_ref(), &a, &c);
Reflect::set(src1.as_ref(), &a, &c).unwrap();
let src2 = Object::new();
Reflect::set(src2.as_ref(), &b, &b);
Reflect::set(src2.as_ref(), &b, &b).unwrap();
let src3 = Object::new();
Reflect::set(src3.as_ref(), &c, &c);
Reflect::set(src3.as_ref(), &c, &c).unwrap();
let res = Object::assign3(&target, &src1, &src2, &src3);
assert!(Object::is(target.as_ref(), res.as_ref()));
assert_eq!(Reflect::get(target.as_ref(), &a), c);
assert_eq!(Reflect::get(target.as_ref(), &b), b);
assert_eq!(Reflect::get(target.as_ref(), &c), c);
assert_eq!(Reflect::get(target.as_ref(), &a).unwrap(), c);
assert_eq!(Reflect::get(target.as_ref(), &b).unwrap(), b);
assert_eq!(Reflect::get(target.as_ref(), &c).unwrap(), c);
}
#[wasm_bindgen_test]
@ -102,8 +102,8 @@ fn define_properties() {
let descriptor = DefinePropertyAttrs::from(JsValue::from(Object::new()));
descriptor.set_value(&42.into());
let descriptor = JsValue::from(descriptor);
Reflect::set(props.as_ref(), &JsValue::from("bar"), &descriptor);
Reflect::set(props.as_ref(), &JsValue::from("car"), &descriptor);
Reflect::set(props.as_ref(), &JsValue::from("bar"), &descriptor).unwrap();
Reflect::set(props.as_ref(), &JsValue::from("car"), &descriptor).unwrap();
let foo = foo_42();
let foo = Object::define_properties(&foo, &props);
assert!(foo.has_own_property(&"bar".into()));
@ -136,7 +136,7 @@ fn get_own_property_descriptor() {
fn get_own_property_descriptors() {
let foo = foo_42();
let descriptors = Object::get_own_property_descriptors(&foo);
let foo_desc = Reflect::get(&descriptors, &"foo".into());
let foo_desc = Reflect::get(&descriptors, &"foo".into()).unwrap();
assert_eq!(PropertyDescriptor::from(foo_desc).value(), 42);
}