918fe04351
PR-URL: https://github.com/nodejs/node/pull/58070 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
// Copyright 2021 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-progress-tracker.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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static constexpr size_t kObjectSize = 1 << 18;
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TEST(MarkingProgressTracker, DefaultDisabled) {
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MarkingProgressTracker progress_tracker;
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EXPECT_FALSE(progress_tracker.IsEnabled());
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}
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TEST(MarkingProgressTracker, EnabledAfterExplicitEnable) {
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MarkingProgressTracker progress_tracker;
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progress_tracker.Enable(kObjectSize);
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EXPECT_TRUE(progress_tracker.IsEnabled());
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}
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TEST(MarkingProgressTracker, ZerothChunkFirst) {
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MarkingProgressTracker progress_tracker;
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progress_tracker.Enable(kObjectSize);
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ASSERT_TRUE(progress_tracker.IsEnabled());
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EXPECT_EQ(0u, progress_tracker.GetNextChunkToMark());
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}
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TEST(MarkingProgressTracker, NumberOfChunks) {
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MarkingProgressTracker progress_tracker;
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progress_tracker.Enable(kObjectSize);
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ASSERT_TRUE(progress_tracker.IsEnabled());
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EXPECT_EQ((kObjectSize + MarkingProgressTracker::kChunkSize - 1) /
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MarkingProgressTracker::kChunkSize,
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progress_tracker.TotalNumberOfChunks());
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}
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TEST(MarkingProgressTracker, GetNextChunkToMarkIncrements) {
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MarkingProgressTracker progress_tracker;
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progress_tracker.Enable(kObjectSize);
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const size_t num_chunks = progress_tracker.TotalNumberOfChunks();
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ASSERT_TRUE(progress_tracker.IsEnabled());
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for (size_t i = 0; i < num_chunks; ++i) {
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EXPECT_EQ(progress_tracker.GetNextChunkToMark(), i);
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}
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}
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TEST(MarkingProgressTracker, ResetIfEnabledOnDisabled) {
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MarkingProgressTracker progress_tracker;
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progress_tracker.ResetIfEnabled();
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EXPECT_FALSE(progress_tracker.IsEnabled());
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}
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TEST(MarkingProgressTracker, ResetIfEnabledOnEnabled) {
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MarkingProgressTracker progress_tracker;
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progress_tracker.Enable(kObjectSize);
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progress_tracker.GetNextChunkToMark();
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progress_tracker.ResetIfEnabled();
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ASSERT_TRUE(progress_tracker.IsEnabled());
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EXPECT_EQ(0u, progress_tracker.GetNextChunkToMark());
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}
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#ifdef DEBUG
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TEST(MarkingProgressTrackerDeathTest, DiesOnTrySetValueOnDisabled) {
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MarkingProgressTracker progress_tracker;
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EXPECT_DEATH_IF_SUPPORTED(progress_tracker.GetNextChunkToMark(), "");
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}
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TEST(MarkingProgressTrackerDeathTest, GetNextChunkToMarkIncrementOOBs) {
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MarkingProgressTracker progress_tracker;
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progress_tracker.Enable(kObjectSize);
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const size_t num_chunks = progress_tracker.TotalNumberOfChunks();
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ASSERT_TRUE(progress_tracker.IsEnabled());
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for (size_t i = 0; i < num_chunks; ++i) {
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EXPECT_EQ(progress_tracker.GetNextChunkToMark(), i);
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}
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EXPECT_DEATH_IF_SUPPORTED(progress_tracker.GetNextChunkToMark(), "");
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}
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#endif // DEBUG
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} // namespace internal
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} // namespace v8
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