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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /devtools/shared/heapsnapshot/tests/gtest/DoesntCrossCompartmentBoundaries.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | devtools/shared/heapsnapshot/tests/gtest/DoesntCrossCompartmentBoundaries.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/devtools/shared/heapsnapshot/tests/gtest/DoesntCrossCompartmentBoundaries.cpp b/devtools/shared/heapsnapshot/tests/gtest/DoesntCrossCompartmentBoundaries.cpp new file mode 100644 index 0000000000..f6c6b11619 --- /dev/null +++ b/devtools/shared/heapsnapshot/tests/gtest/DoesntCrossCompartmentBoundaries.cpp @@ -0,0 +1,58 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */ +/* 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/. */ + +// Test that heap snapshots walk the compartment boundaries correctly. + +#include "DevTools.h" + +DEF_TEST(DoesntCrossCompartmentBoundaries, { + // Create a new global to get a new compartment. + JS::RealmOptions options; + JS::Rooted<JSObject*> newGlobal( + cx, JS_NewGlobalObject(cx, getGlobalClass(), nullptr, + JS::FireOnNewGlobalHook, options)); + ASSERT_TRUE(newGlobal); + JS::Compartment* newCompartment = nullptr; + { + JSAutoRealm ar(cx, newGlobal); + ASSERT_TRUE(JS::InitRealmStandardClasses(cx)); + newCompartment = js::GetContextCompartment(cx); + } + ASSERT_TRUE(newCompartment); + ASSERT_NE(newCompartment, compartment); + + // Our set of target compartments is only the pre-existing compartment and + // does not include the new compartment. + JS::CompartmentSet targetCompartments; + ASSERT_TRUE(targetCompartments.put(compartment)); + + FakeNode nodeA; + FakeNode nodeB; + FakeNode nodeC; + + nodeA.compartment = compartment; + nodeB.compartment = nullptr; + nodeC.compartment = newCompartment; + + AddEdge(nodeA, nodeB); + AddEdge(nodeB, nodeC); + + ::testing::NiceMock<MockWriter> writer; + + // Should serialize nodeA, because it is in our target compartments. + ExpectWriteNode(writer, nodeA); + + // Should serialize nodeB, because it doesn't belong to a compartment and is + // therefore assumed to be shared. + ExpectWriteNode(writer, nodeB); + + // But we shouldn't ever serialize nodeC. + + JS::AutoCheckCannotGC noGC(cx); + + ASSERT_TRUE(WriteHeapGraph(cx, JS::ubi::Node(&nodeA), writer, + /* wantNames = */ false, &targetCompartments, + noGC)); +}); |