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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
*/
/* 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 "tests.h"
#include "jscompartment.h"
#include "jsgc.h"
#include "vm/Shape.h"
#include "vm/Shape-inl.h"
BEGIN_TEST(testRegExpInstanceProperties)
{
jsval regexpProtoVal;
EVAL("RegExp.prototype", &regexpProtoVal);
JSObject *regexpProto = JSVAL_TO_OBJECT(regexpProtoVal);
if (!helper(regexpProto))
return false;
JS_GC(cx);
CHECK_EQUAL(regexpProto->compartment()->initialRegExpShape, NULL);
jsval regexp;
EVAL("/foopy/", &regexp);
JSObject *robj = JSVAL_TO_OBJECT(regexp);
CHECK(robj->lastProperty());
CHECK_EQUAL(robj->compartment()->initialRegExpShape, robj->lastProperty());
return true;
}
/*
* Do this all in a nested function evaluation so as (hopefully) not to get
* screwed up by the conservative stack scanner when GCing.
*/
JS_NEVER_INLINE bool helper(JSObject *regexpProto)
{
CHECK(!regexpProto->inDictionaryMode());
// Verify the compartment's cached shape is being used by RegExp.prototype.
const js::Shape *shape = regexpProto->lastProperty();
js::AutoShapeRooter root(cx, shape);
for (js::Shape::Range r = shape;
&r.front() != regexpProto->compartment()->initialRegExpShape;
r.popFront())
{
CHECK(!r.empty());
}
jsval v = INT_TO_JSVAL(17);
CHECK(JS_SetProperty(cx, regexpProto, "foopy", &v));
v = INT_TO_JSVAL(42);
CHECK(JS_SetProperty(cx, regexpProto, "bunky", &v));
CHECK(JS_DeleteProperty(cx, regexpProto, "foopy"));
CHECK(regexpProto->inDictionaryMode());
const js::Shape *shape2 = regexpProto->lastProperty();
js::AutoShapeRooter root2(cx, shape2);
js::Shape::Range r2 = shape2;
while (!r2.empty()) {
CHECK(&r2.front() != regexpProto->compartment()->initialRegExpShape);
r2.popFront();
}
return true;
}
END_TEST(testRegExpInstanceProperties)