The Tor Browser / file comparison
comparison: js/src/jsapi-tests/testRegExpInstanceProperties.cpp
js/src/jsapi-tests/testRegExpInstanceProperties.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:24ef05148375 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * vim: set ts=8 sts=4 et sw=4 tw=99: | |
| 3 */ | |
| 4 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 7 | |
| 8 #include "jscompartment.h" | |
| 9 #include "jsgc.h" | |
| 10 | |
| 11 #include "jsapi-tests/tests.h" | |
| 12 #include "vm/Shape.h" | |
| 13 | |
| 14 BEGIN_TEST(testRegExpInstanceProperties) | |
| 15 { | |
| 16 jsval regexpProtoVal; | |
| 17 EVAL("RegExp.prototype", ®expProtoVal); | |
| 18 | |
| 19 JSObject *regexpProto = JSVAL_TO_OBJECT(regexpProtoVal); | |
| 20 | |
| 21 if (!helper(regexpProto)) | |
| 22 return false; | |
| 23 | |
| 24 JS_GC(cx); | |
| 25 | |
| 26 CHECK_EQUAL(regexpProto->compartment()->initialRegExpShape, nullptr); | |
| 27 | |
| 28 jsval regexp; | |
| 29 EVAL("/foopy/", ®exp); | |
| 30 JSObject *robj = JSVAL_TO_OBJECT(regexp); | |
| 31 | |
| 32 CHECK(robj->lastProperty()); | |
| 33 CHECK_EQUAL(robj->compartment()->initialRegExpShape, robj->lastProperty()); | |
| 34 | |
| 35 return true; | |
| 36 } | |
| 37 | |
| 38 /* | |
| 39 * Do this all in a nested function evaluation so as (hopefully) not to get | |
| 40 * screwed up by the conservative stack scanner when GCing. | |
| 41 */ | |
| 42 MOZ_NEVER_INLINE bool helper(JSObject *regexpProto) | |
| 43 { | |
| 44 CHECK(!regexpProto->inDictionaryMode()); | |
| 45 | |
| 46 // Verify the compartment's cached shape is being used by RegExp.prototype. | |
| 47 const js::Shape *shape = regexpProto->lastProperty(); | |
| 48 js::AutoShapeRooter root(cx, shape); | |
| 49 for (js::Shape::Range r = shape; | |
| 50 &r.front() != regexpProto->compartment()->initialRegExpShape; | |
| 51 r.popFront()) | |
| 52 { | |
| 53 CHECK(!r.empty()); | |
| 54 } | |
| 55 | |
| 56 JS::RootedValue v(cx, INT_TO_JSVAL(17)); | |
| 57 CHECK(JS_SetProperty(cx, regexpProto, "foopy", v)); | |
| 58 v = INT_TO_JSVAL(42); | |
| 59 CHECK(JS_SetProperty(cx, regexpProto, "bunky", v)); | |
| 60 CHECK(JS_DeleteProperty(cx, regexpProto, "foopy")); | |
| 61 CHECK(regexpProto->inDictionaryMode()); | |
| 62 | |
| 63 const js::Shape *shape2 = regexpProto->lastProperty(); | |
| 64 js::AutoShapeRooter root2(cx, shape2); | |
| 65 js::Shape::Range r2 = shape2; | |
| 66 while (!r2.empty()) { | |
| 67 CHECK(&r2.front() != regexpProto->compartment()->initialRegExpShape); | |
| 68 r2.popFront(); | |
| 69 } | |
| 70 | |
| 71 return true; | |
| 72 } | |
| 73 END_TEST(testRegExpInstanceProperties) |
