js/src/jsapi-tests/testOps.cpp
author Jan de Mooij <jdemooij@mozilla.com>
Thu, 23 Apr 2015 15:51:28 +0200
changeset 240670 8ed771ecfecd259a6236fbf0ad3214affb3b98aa
parent 236396 02f2f4c75007651c63bbc0791d9a58dea88f545f
child 250829 72f48fd13b903f7e3f57c54744c58253f8efe406
permissions -rw-r--r--
Bug 1155946 part 1 - Add a mayResolve class hook to optimize objects with resolve hooks better. r=bhackett

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=8 sts=4 et sw=4 tw=99:
 *
 * Tests for operators and implicit type conversion.
 */
/* 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 "jsapi-tests/tests.h"

static bool
my_convert(JSContext* context, JS::HandleObject obj, JSType type, JS::MutableHandleValue rval)
{
    if (type == JSTYPE_VOID || type == JSTYPE_STRING || type == JSTYPE_NUMBER || type == JSTYPE_BOOLEAN) {
        rval.set(JS_NumberValue(123));
        return true;
    }
    return false;
}

static const JSClass myClass = {
    "MyClass",
    0,
    nullptr, nullptr, nullptr, nullptr,
    nullptr, nullptr, nullptr, my_convert
};

static bool
createMyObject(JSContext* context, unsigned argc, jsval* vp)
{
    JS_BeginRequest(context);

    //JS_GC(context); //<- if we make GC here, all is ok

    JSObject* myObject = JS_NewObject(context, &myClass);
    *vp = OBJECT_TO_JSVAL(myObject);

    JS_EndRequest(context);

    return true;
}

static const JSFunctionSpec s_functions[] =
{
    JS_FN("createMyObject", createMyObject, 0, 0),
    JS_FS_END
};

BEGIN_TEST(testOps_bug559006)
{
    CHECK(JS_DefineFunctions(cx, global, s_functions));

    EXEC("function main() { while(1) return 0 + createMyObject(); }");

    for (int i = 0; i < 9; i++) {
        JS::RootedValue rval(cx);
        CHECK(JS_CallFunctionName(cx, global, "main", JS::HandleValueArray::empty(),
                                  &rval));
        CHECK_SAME(rval, INT_TO_JSVAL(123));
    }
    return true;
}
END_TEST(testOps_bug559006)