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js-sys: Add bindings to Object.assign

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This commit is contained in:
Nick Fitzgerald
2018-08-10 11:41:58 -07:00
parent f0444d1614
commit 4ea1603ddb
2 changed files with 51 additions and 0 deletions
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27
crates/js-sys/tests/wasm/Object.rs
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@ -36,6 +36,33 @@ fn new() {
assert!(JsValue::from(Object::new()).is_object());
}
#[wasm_bindgen_test]
fn assign() {
let a = JsValue::from("a");
let b = JsValue::from("b");
let c = JsValue::from("c");
let target = Object::new();
Reflect::set(target.as_ref(), a.as_ref(), a.as_ref());
let src1 = Object::new();
Reflect::set(src1.as_ref(), &a, &c);
let src2 = Object::new();
Reflect::set(src2.as_ref(), &b, &b);
let src3 = Object::new();
Reflect::set(src3.as_ref(), &c, &c);
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);
}
#[wasm_bindgen_test]
fn has_own_property() {
assert!(foo_42().has_own_property(&"foo".into()));