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9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
148 lines
5.2 KiB
C++
148 lines
5.2 KiB
C++
// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/heap/marking-worklist.h"
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#include <cmath>
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#include <limits>
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#include "src/heap/heap-inl.h"
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#include "src/heap/heap.h"
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#include "src/heap/marking-worklist-inl.h"
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#include "test/unittests/test-utils.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace v8 {
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namespace internal {
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using MarkingWorklistTest = TestWithContext;
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TEST_F(MarkingWorklistTest, PushPop) {
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MarkingWorklists holder;
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MarkingWorklists::Local worklists(&holder);
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Tagged<HeapObject> pushed_object =
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Cast<HeapObject>(i_isolate()
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->roots_table()
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.slot(RootIndex::kFirstStrongRoot)
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.load(i_isolate()));
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worklists.Push(pushed_object);
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Tagged<HeapObject> popped_object;
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EXPECT_TRUE(worklists.Pop(&popped_object));
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EXPECT_EQ(popped_object, pushed_object);
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}
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TEST_F(MarkingWorklistTest, PushPopOnHold) {
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MarkingWorklists holder;
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MarkingWorklists::Local worklists(&holder);
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Tagged<HeapObject> pushed_object =
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Cast<HeapObject>(i_isolate()
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->roots_table()
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.slot(RootIndex::kFirstStrongRoot)
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.load(i_isolate()));
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worklists.PushOnHold(pushed_object);
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Tagged<HeapObject> popped_object;
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EXPECT_TRUE(worklists.PopOnHold(&popped_object));
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EXPECT_EQ(popped_object, pushed_object);
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}
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TEST_F(MarkingWorklistTest, MergeOnHold) {
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MarkingWorklists holder;
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MarkingWorklists::Local main_worklists(&holder);
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MarkingWorklists::Local worker_worklists(&holder);
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Tagged<HeapObject> pushed_object =
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Cast<HeapObject>(i_isolate()
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->roots_table()
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.slot(RootIndex::kFirstStrongRoot)
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.load(i_isolate()));
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worker_worklists.PushOnHold(pushed_object);
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worker_worklists.Publish();
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main_worklists.MergeOnHold();
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Tagged<HeapObject> popped_object;
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EXPECT_TRUE(main_worklists.Pop(&popped_object));
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EXPECT_EQ(popped_object, pushed_object);
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}
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TEST_F(MarkingWorklistTest, ShareWorkIfGlobalPoolIsEmpty) {
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MarkingWorklists holder;
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MarkingWorklists::Local main_worklists(&holder);
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MarkingWorklists::Local worker_worklists(&holder);
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Tagged<HeapObject> pushed_object =
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Cast<HeapObject>(i_isolate()
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->roots_table()
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.slot(RootIndex::kFirstStrongRoot)
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.load(i_isolate()));
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main_worklists.Push(pushed_object);
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main_worklists.ShareWork();
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Tagged<HeapObject> popped_object;
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EXPECT_TRUE(worker_worklists.Pop(&popped_object));
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EXPECT_EQ(popped_object, pushed_object);
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}
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TEST_F(MarkingWorklistTest, ContextWorklistsPushPop) {
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const Address context = 0xabcdef;
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MarkingWorklists holder;
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holder.CreateContextWorklists({context});
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MarkingWorklists::Local worklists(&holder);
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Tagged<HeapObject> pushed_object =
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Cast<HeapObject>(i_isolate()
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->roots_table()
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.slot(RootIndex::kFirstStrongRoot)
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.load(i_isolate()));
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worklists.SwitchToContext(context);
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worklists.Push(pushed_object);
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worklists.SwitchToSharedForTesting();
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Tagged<HeapObject> popped_object;
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EXPECT_TRUE(worklists.Pop(&popped_object));
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EXPECT_EQ(popped_object, pushed_object);
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holder.ReleaseContextWorklists();
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}
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TEST_F(MarkingWorklistTest, ContextWorklistsEmpty) {
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const Address context = 0xabcdef;
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MarkingWorklists holder;
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holder.CreateContextWorklists({context});
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MarkingWorklists::Local worklists(&holder);
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Tagged<HeapObject> pushed_object =
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Cast<HeapObject>(i_isolate()
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->roots_table()
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.slot(RootIndex::kFirstStrongRoot)
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.load(i_isolate()));
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worklists.SwitchToContext(context);
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worklists.Push(pushed_object);
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EXPECT_FALSE(worklists.IsEmpty());
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worklists.SwitchToSharedForTesting();
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EXPECT_FALSE(worklists.IsEmpty());
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Tagged<HeapObject> popped_object;
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EXPECT_TRUE(worklists.Pop(&popped_object));
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EXPECT_EQ(popped_object, pushed_object);
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EXPECT_TRUE(worklists.IsEmpty());
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holder.ReleaseContextWorklists();
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}
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TEST_F(MarkingWorklistTest, ContextWorklistCrossTask) {
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const Address context1 = 0x1abcdef;
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const Address context2 = 0x2abcdef;
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MarkingWorklists holder;
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holder.CreateContextWorklists({context1, context2});
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MarkingWorklists::Local main_worklists(&holder);
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MarkingWorklists::Local worker_worklists(&holder);
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Tagged<HeapObject> pushed_object =
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Cast<HeapObject>(i_isolate()
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->roots_table()
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.slot(RootIndex::kFirstStrongRoot)
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.load(i_isolate()));
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main_worklists.SwitchToContext(context1);
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main_worklists.Push(pushed_object);
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main_worklists.ShareWork();
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worker_worklists.SwitchToContext(context2);
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Tagged<HeapObject> popped_object;
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EXPECT_TRUE(worker_worklists.Pop(&popped_object));
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EXPECT_EQ(popped_object, pushed_object);
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EXPECT_EQ(context1, worker_worklists.Context());
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holder.ReleaseContextWorklists();
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}
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} // namespace internal
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} // namespace v8
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