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use js_sys::*;
use wasm_bindgen::prelude::*;
use wasm_bindgen::JsCast;
use wasm_bindgen_test::*;
#[wasm_bindgen]
extern "C" {
type SomeKey;
#[wasm_bindgen(method, setter, structural)]
fn set_some(this: &SomeKey, val: JsValue);
}
fn some_key() -> Object {
let key = SomeKey::from(JsValue::from(Object::new()));
key.set_some("key".into());
Object::from(JsValue::from(key))
}
#[wasm_bindgen_test]
fn new() {
assert!(JsValue::from(WeakMap::new()).is_object());
}
#[wasm_bindgen_test]
fn get_and_set() {
let map = WeakMap::new();
let key = some_key();
map.set(&key, &"value".into());
assert_eq!(map.get(&key), "value");
assert_eq!(map.get(&Object::new()), JsValue::undefined());
assert_eq!(map.get(&some_key()), JsValue::undefined());
}
#[wasm_bindgen_test]
fn has() {
let map = WeakMap::new();
let key = some_key();
map.set(&key, &"value".into());
assert!(map.has(&key));
assert!(!map.has(&Object::new()));
assert!(!map.has(&some_key()));
}
#[wasm_bindgen_test]
fn delete() {
let map = WeakMap::new();
let key = some_key();
assert!(!map.has(&key));
map.set(&key, &"value".into());
assert!(map.has(&key));
map.delete(&key);
assert!(!map.has(&key));
}
#[wasm_bindgen_test]
fn weakmap_inheritance() {
let map = WeakMap::new();
assert!(map.is_instance_of::<WeakMap>());
assert!(map.is_instance_of::<Object>());
let _: &Object = map.as_ref();
}
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