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Adding in support for async iterators (#1895)

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* Adding in support for async iterators

* Adding in some unit tests for asyncIterator

* Fixing unit tests

* Fixing UI tests
This commit is contained in:
Pauan
2019-12-05 00:51:22 +01:00
committed by Alex Crichton
parent 203d86f343
commit a1d90398d0
4 changed files with 71 additions and 1 deletions
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9
crates/js-sys/tests/wasm/Symbol.rs
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@ -1,12 +1,14 @@
use js_sys::*;
use wasm_bindgen::prelude::*;
use wasm_bindgen_test::*;
use wasm_bindgen_futures::JsFuture;
#[wasm_bindgen(module = "tests/wasm/Symbol.js")]
extern "C" {
fn test_has_instance(sym: &Symbol);
fn test_is_concat_spreadable(sym: &Symbol);
fn test_iterator(sym: &Symbol);
fn test_async_iterator(sym: &Symbol) -> Promise;
fn test_match(sym: &Symbol);
fn test_replace(sym: &Symbol);
fn test_search(sym: &Symbol);
@ -37,6 +39,11 @@ fn iterator() {
test_iterator(&Symbol::iterator());
}
#[wasm_bindgen_test]
async fn async_iterator() {
JsFuture::from(test_async_iterator(&Symbol::async_iterator())).await.unwrap_throw();
}
#[wasm_bindgen_test]
fn match_() {
test_match(&Symbol::match_());
@ -89,12 +96,14 @@ fn key_for() {
let sym = Symbol::for_("foo");
assert_eq!(Symbol::key_for(&sym), "foo");
assert!(Symbol::key_for(&Symbol::iterator()).is_undefined());
assert!(Symbol::key_for(&Symbol::async_iterator()).is_undefined());
assert!(Symbol::key_for(&gensym(JsValue::undefined())).is_undefined());
}
#[wasm_bindgen_test]
fn to_string() {
assert_eq!(Symbol::iterator().to_string(), "Symbol(Symbol.iterator)");
assert_eq!(Symbol::async_iterator().to_string(), "Symbol(Symbol.asyncIterator)");
assert_eq!(Symbol::for_("foo").to_string(), "Symbol(foo)");
assert_eq!(gensym("desc".into()).to_string(), "Symbol(desc)");
}