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/* Copyright (C) 2016 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "lib/self_test.h"
#include "scriptinterface/ScriptInterface.h"
#include "scriptinterface/ScriptRuntime.h"
#include "scriptinterface/third_party/ObjectToIDMap.h"
class TestObjectToIDMap : public CxxTest::TestSuite
{
public:
void test_movinggc()
{
ScriptInterface script("Test", "Test", g_ScriptRuntime);
JSContext* cx = script.GetContext();
JSAutoRequest rq(cx);
JS::RootedObject obj(cx, JS_NewPlainObject(cx));
ObjectIdCache<u32> map(g_ScriptRuntime);
map.init();
TS_ASSERT(map.add(cx, obj, 1));
JSObject* plainObj = obj;
// The map should contain the object we've just added
TS_ASSERT(map.has(plainObj));
JS_GC(g_ScriptRuntime->m_rt);
// After a GC, the object should have been moved and plainObj should
// not be valid anymore and not be found in the map anymore.
// Obj should have an updated reference too, so it should still be found
// in the map.
//
// NOTE: It's observed behaviour that a full GC always moves an object.
// This might change in future SpiderMonkey versions. We only rely on
// that behaviour for this test.
//
// TODO: It might be a good idea to test the behaviour when only a minor
// GC runs, but there's no API for calling a minor GC yet.
TS_ASSERT(plainObj != obj);
TS_ASSERT(!map.has(plainObj));
TS_ASSERT(map.has(obj));
// Finding the ID associated with the object
u32 ret(0);
TS_ASSERT(map.find(obj, ret));
TS_ASSERT_EQUALS(ret, 1);
}
};
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