f9a88acbc9
TBR=mvstanton@chromium.org,neis@chromium.org,ahaas@chromium.org Bug: v8:9247 Change-Id: I5433c863a54f3412d73df0d38aba3fdbcfac7ebe Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1627973 Commit-Queue: Yang Guo <yangguo@chromium.org> Auto-Submit: Yang Guo <yangguo@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#61830}
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
// Copyright 2016 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 <stdlib.h>
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#include "src/common/globals.h"
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#include "src/heap/marking.h"
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#include "test/unittests/heap/bitmap-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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template <typename T>
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using MarkingTest = TestWithBitmap<T>;
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TYPED_TEST_SUITE(MarkingTest, BitmapTypes);
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TYPED_TEST(MarkingTest, TransitionWhiteBlackWhite) {
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auto bitmap = this->bitmap();
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const int kLocationsSize = 3;
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int position[kLocationsSize] = {
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Bitmap::kBitsPerCell - 2, Bitmap::kBitsPerCell - 1, Bitmap::kBitsPerCell};
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for (int i = 0; i < kLocationsSize; i++) {
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MarkBit mark_bit = bitmap->MarkBitFromIndex(position[i]);
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CHECK(Marking::IsWhite(mark_bit));
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CHECK(!Marking::IsImpossible(mark_bit));
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Marking::WhiteToBlack<AccessMode::NON_ATOMIC>(mark_bit);
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CHECK(Marking::IsBlack(mark_bit));
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CHECK(!Marking::IsImpossible(mark_bit));
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Marking::MarkWhite(mark_bit);
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CHECK(Marking::IsWhite(mark_bit));
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CHECK(!Marking::IsImpossible(mark_bit));
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}
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}
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TYPED_TEST(MarkingTest, TransitionWhiteGreyBlack) {
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auto bitmap = this->bitmap();
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const int kLocationsSize = 3;
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int position[kLocationsSize] = {
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Bitmap::kBitsPerCell - 2, Bitmap::kBitsPerCell - 1, Bitmap::kBitsPerCell};
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for (int i = 0; i < kLocationsSize; i++) {
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MarkBit mark_bit = bitmap->MarkBitFromIndex(position[i]);
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CHECK(Marking::IsWhite(mark_bit));
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CHECK(!Marking::IsBlackOrGrey(mark_bit));
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CHECK(!Marking::IsImpossible(mark_bit));
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Marking::WhiteToGrey<AccessMode::NON_ATOMIC>(mark_bit);
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CHECK(Marking::IsGrey(mark_bit));
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CHECK(Marking::IsBlackOrGrey(mark_bit));
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CHECK(!Marking::IsImpossible(mark_bit));
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Marking::GreyToBlack<AccessMode::NON_ATOMIC>(mark_bit);
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CHECK(Marking::IsBlack(mark_bit));
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CHECK(Marking::IsBlackOrGrey(mark_bit));
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CHECK(!Marking::IsImpossible(mark_bit));
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Marking::MarkWhite(mark_bit);
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CHECK(Marking::IsWhite(mark_bit));
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CHECK(!Marking::IsImpossible(mark_bit));
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}
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}
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} // namespace internal
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} // namespace v8
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