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

84 строки
3.0 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/. */
#![cfg(feature = "debugmozjs")]
#[macro_use]
extern crate js;
#[macro_use]
extern crate lazy_static;
extern crate libc;
use js::jsapi::*;
use js::rust::{Runtime, SIMPLE_GLOBAL_CLASS, define_methods};
use std::ptr;
#[test]
fn rooting() {
unsafe {
let runtime = Runtime::new(false).unwrap();
JS_SetGCZeal(runtime.cx(), 2, 1);
let cx = runtime.cx();
let h_option = JS::OnNewGlobalHookOption::FireOnNewGlobalHook;
let c_option = JS::CompartmentOptions::default();
rooted!(in(cx) let global = JS_NewGlobalObject(cx,
&SIMPLE_GLOBAL_CLASS,
ptr::null_mut(),
h_option,
&c_option));
let _ac = js::ac::AutoCompartment::with_obj(cx, global.get());
rooted!(in(cx) let prototype_proto = JS_GetObjectPrototype(cx, global.handle()));
rooted!(in(cx) let proto = JS_NewObjectWithUniqueType(cx,
&CLASS as *const _,
prototype_proto.handle()));
define_methods(cx, proto.handle(), &METHODS[..]).unwrap();
}
}
unsafe extern "C" fn generic_method(_: *mut JSContext, _: u32, _: *mut JS::Value) -> bool {
true
}
lazy_static! {
static ref METHODS: [JSFunctionSpec; 4] = [
JSFunctionSpec {
name: b"addEventListener\0" as *const u8 as *const libc::c_char,
call: JSNativeWrapper { op: Some(generic_method), info: ptr::null() },
nargs: 2,
flags: JSPROP_ENUMERATE as u16,
selfHostedName: 0 as *const libc::c_char
},
JSFunctionSpec {
name: b"removeEventListener\0" as *const u8 as *const libc::c_char,
call: JSNativeWrapper { op: Some(generic_method), info: ptr::null() },
nargs: 2,
flags: JSPROP_ENUMERATE as u16,
selfHostedName: 0 as *const libc::c_char
},
JSFunctionSpec {
name: b"dispatchEvent\0" as *const u8 as *const libc::c_char,
call: JSNativeWrapper { op: Some(generic_method), info: ptr::null() },
nargs: 1,
flags: JSPROP_ENUMERATE as u16,
selfHostedName: 0 as *const libc::c_char
},
JSFunctionSpec {
name: ptr::null(),
call: JSNativeWrapper { op: None, info: ptr::null() },
nargs: 0,
flags: 0,
selfHostedName: ptr::null()
}
];
}
static CLASS: JSClass = JSClass {
name: b"EventTargetPrototype\0" as *const u8 as *const libc::c_char,
flags: 0,
cOps: 0 as *const _,
reserved: [0 as *mut _; 3]
};