gecko-dev/js/rust/tests/enumerate.rs

71 строка
2.0 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#[macro_use]
extern crate js;
use js::glue::RUST_JSID_IS_STRING;
use js::glue::RUST_JSID_TO_STRING;
use js::jsapi::root::js::GetPropertyKeys;
use js::jsapi::root::JS_NewGlobalObject;
use js::jsapi::root::JS_StringEqualsAscii;
use js::jsapi::root::JS::OnNewGlobalHookOption;
use js::jsapi::root::JS::RealmOptions;
use js::jsapi::root::JSITER_OWNONLY;
use js::jsval::UndefinedValue;
use js::rust::RootedIdVectorWrapper;
use js::rust::Runtime;
use js::rust::SIMPLE_GLOBAL_CLASS;
use std::ptr;
#[test]
fn enumerate() {
let rt = Runtime::new(false).unwrap();
let cx = rt.cx();
unsafe {
rooted!(in(cx) let global =
JS_NewGlobalObject(cx, &SIMPLE_GLOBAL_CLASS, ptr::null_mut(),
OnNewGlobalHookOption::FireOnNewGlobalHook,
&RealmOptions::default())
);
rooted!(in(cx) let mut rval = UndefinedValue());
assert!(rt
.evaluate_script(
global.handle(),
"({ 'a': 7 })",
"test",
1,
rval.handle_mut()
)
.is_ok());
assert!(rval.is_object());
rooted!(in(cx) let object = rval.to_object());
let ids = RootedIdVectorWrapper::new(cx);
assert!(GetPropertyKeys(
cx,
object.handle(),
JSITER_OWNONLY,
ids.handle_mut()
));
assert_eq!(ids.len(), 1);
rooted!(in(cx) let id = ids[0]);
assert!(RUST_JSID_IS_STRING(id.handle()));
rooted!(in(cx) let id = RUST_JSID_TO_STRING(id.handle()));
let mut matches = false;
assert!(JS_StringEqualsAscii(
cx,
id.get(),
b"a\0" as *const _ as *const _,
&mut matches
));
assert!(matches);
}
}