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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
*/
/* 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/. */
#include "js/Array.h" // JS::NewArrayObject
#include "jsapi-tests/tests.h"
static int callCount = 0;
static bool AddProperty(JSContext* cx, JS::HandleObject obj, JS::HandleId id,
JS::HandleValue v) {
callCount++;
return true;
}
static const JSClassOps AddPropertyClassOps = {
AddProperty, // addProperty
nullptr, // delProperty
nullptr, // enumerate
nullptr, // newEnumerate
nullptr, // resolve
nullptr, // mayResolve
nullptr, // finalize
nullptr, // call
nullptr, // hasInstance
nullptr, // construct
nullptr, // trace
};
static const JSClass AddPropertyClass = {"AddPropertyTester", 0,
&AddPropertyClassOps};
BEGIN_TEST(testAddPropertyHook) {
/*
* Do the test a bunch of times, because sometimes we seem to randomly
* miss the propcache.
*/
static const int ExpectedCount = 100;
JS::RootedObject obj(cx, JS_NewPlainObject(cx));
CHECK(obj);
JS::RootedValue proto(cx, JS::ObjectValue(*obj));
JS_InitClass(cx, global, obj, &AddPropertyClass, nullptr, 0, nullptr, nullptr,
nullptr, nullptr);
obj = JS::NewArrayObject(cx, 0);
CHECK(obj);
JS::RootedValue arr(cx, JS::ObjectValue(*obj));
CHECK(JS_DefineProperty(cx, global, "arr", arr, JSPROP_ENUMERATE));
JS::RootedObject arrObj(cx, &arr.toObject());
for (int i = 0; i < ExpectedCount; ++i) {
obj = JS_NewObject(cx, &AddPropertyClass);
CHECK(obj);
CHECK(JS_DefineElement(cx, arrObj, i, obj, JSPROP_ENUMERATE));
}
// Now add a prop to each of the objects, but make sure to do
// so at the same bytecode location so we can hit the propcache.
EXEC(
"'use strict'; \n"
"for (var i = 0; i < arr.length; ++i) \n"
" arr[i].prop = 42; \n");
CHECK(callCount == ExpectedCount);
return true;
}
END_TEST(testAddPropertyHook)
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