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Add binding for Object.getOwnPropertyDescriptor()

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This commit is contained in:
Michael Hoffmann
2018-09-16 22:55:15 +02:00
parent 2d5d485e46
commit b005e96fd9
2 changed files with 22 additions and 0 deletions
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13
crates/js-sys/tests/wasm/Object.rs
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@ -13,6 +13,10 @@ extern "C" {
type DefinePropertyAttrs;
#[wasm_bindgen(method, setter, structural)]
fn set_value(this: &DefinePropertyAttrs, val: &JsValue);
type PropertyDescriptor;
#[wasm_bindgen(method, getter, structural)]
fn value(this: &PropertyDescriptor) -> JsValue;
}
#[wasm_bindgen(module = "tests/wasm/Object.js")]
@ -101,6 +105,15 @@ fn define_properties() {
assert!(foo.has_own_property(&"car".into()));
}
#[wasm_bindgen_test]
fn get_own_property_descriptor() {
let foo = foo_42();
let desc = Object::get_own_property_descriptor(&foo, &"foo".into());
assert_eq!(PropertyDescriptor::from(desc).value(), 42);
let desc = Object::get_own_property_descriptor(&foo, &"bar".into());
assert!(PropertyDescriptor::from(desc).value().is_undefined());
}
#[wasm_bindgen_test]
fn has_own_property() {
assert!(foo_42().has_own_property(&"foo".into()));