js/rust/tests/rooting.rs
author Jan de Mooij <jdemooij@mozilla.com>
Wed, 13 Jun 2018 12:47:40 -0700
changeset 476702 db248a2fb2024b0da563724cdb0abd85857d8919
parent 472897 0f33c70716b0a188e724c37e4b2188c31be208a8
child 487910 d814396399b3dc90603e72b01d4c610228ec299e
permissions -rw-r--r--
Bug 1468137 - Remove JS_Get*Prototype APIs; use JS::GetRealm*Prototype instead. r=evilpie

/* 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::RealmOptions::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::GetRealmObjectPrototype(cx));
        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]
};