js/src/jsapi-tests/testRegExpInstanceProperties.cpp@b8a032363ba2 (annotated)
js/src/jsapi-tests/testRegExpInstanceProperties.cpp
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * vim: set ts=8 sts=4 et sw=4 tw=99: |
| michael@0 | 3 | */ |
| michael@0 | 4 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 5 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 6 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "jscompartment.h" |
| michael@0 | 9 | #include "jsgc.h" |
| michael@0 | 10 | |
| michael@0 | 11 | #include "jsapi-tests/tests.h" |
| michael@0 | 12 | #include "vm/Shape.h" |
| michael@0 | 13 | |
| michael@0 | 14 | BEGIN_TEST(testRegExpInstanceProperties) |
| michael@0 | 15 | { |
| michael@0 | 16 | jsval regexpProtoVal; |
| michael@0 | 17 | EVAL("RegExp.prototype", ®expProtoVal); |
| michael@0 | 18 | |
| michael@0 | 19 | JSObject *regexpProto = JSVAL_TO_OBJECT(regexpProtoVal); |
| michael@0 | 20 | |
| michael@0 | 21 | if (!helper(regexpProto)) |
| michael@0 | 22 | return false; |
| michael@0 | 23 | |
| michael@0 | 24 | JS_GC(cx); |
| michael@0 | 25 | |
| michael@0 | 26 | CHECK_EQUAL(regexpProto->compartment()->initialRegExpShape, nullptr); |
| michael@0 | 27 | |
| michael@0 | 28 | jsval regexp; |
| michael@0 | 29 | EVAL("/foopy/", ®exp); |
| michael@0 | 30 | JSObject *robj = JSVAL_TO_OBJECT(regexp); |
| michael@0 | 31 | |
| michael@0 | 32 | CHECK(robj->lastProperty()); |
| michael@0 | 33 | CHECK_EQUAL(robj->compartment()->initialRegExpShape, robj->lastProperty()); |
| michael@0 | 34 | |
| michael@0 | 35 | return true; |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | /* |
| michael@0 | 39 | * Do this all in a nested function evaluation so as (hopefully) not to get |
| michael@0 | 40 | * screwed up by the conservative stack scanner when GCing. |
| michael@0 | 41 | */ |
| michael@0 | 42 | MOZ_NEVER_INLINE bool helper(JSObject *regexpProto) |
| michael@0 | 43 | { |
| michael@0 | 44 | CHECK(!regexpProto->inDictionaryMode()); |
| michael@0 | 45 | |
| michael@0 | 46 | // Verify the compartment's cached shape is being used by RegExp.prototype. |
| michael@0 | 47 | const js::Shape *shape = regexpProto->lastProperty(); |
| michael@0 | 48 | js::AutoShapeRooter root(cx, shape); |
| michael@0 | 49 | for (js::Shape::Range r = shape; |
| michael@0 | 50 | &r.front() != regexpProto->compartment()->initialRegExpShape; |
| michael@0 | 51 | r.popFront()) |
| michael@0 | 52 | { |
| michael@0 | 53 | CHECK(!r.empty()); |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | JS::RootedValue v(cx, INT_TO_JSVAL(17)); |
| michael@0 | 57 | CHECK(JS_SetProperty(cx, regexpProto, "foopy", v)); |
| michael@0 | 58 | v = INT_TO_JSVAL(42); |
| michael@0 | 59 | CHECK(JS_SetProperty(cx, regexpProto, "bunky", v)); |
| michael@0 | 60 | CHECK(JS_DeleteProperty(cx, regexpProto, "foopy")); |
| michael@0 | 61 | CHECK(regexpProto->inDictionaryMode()); |
| michael@0 | 62 | |
| michael@0 | 63 | const js::Shape *shape2 = regexpProto->lastProperty(); |
| michael@0 | 64 | js::AutoShapeRooter root2(cx, shape2); |
| michael@0 | 65 | js::Shape::Range r2 = shape2; |
| michael@0 | 66 | while (!r2.empty()) { |
| michael@0 | 67 | CHECK(&r2.front() != regexpProto->compartment()->initialRegExpShape); |
| michael@0 | 68 | r2.popFront(); |
| michael@0 | 69 | } |
| michael@0 | 70 | |
| michael@0 | 71 | return true; |
| michael@0 | 72 | } |
| michael@0 | 73 | END_TEST(testRegExpInstanceProperties) |
