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17a74ddd3d
PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
44 lines
1.2 KiB
C++
44 lines
1.2 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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#ifndef V8_UNITTESTS_HEAP_BITMAP_TEST_UTILS_H_
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#define V8_UNITTESTS_HEAP_BITMAP_TEST_UTILS_H_
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#include "src/base/build_config.h"
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#include "src/base/platform/memory.h"
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#include "src/common/globals.h"
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#include "src/heap/marking.h"
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#include "src/heap/memory-chunk-layout.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace v8::internal {
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class TestWithBitmap : public ::testing::Test {
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public:
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static constexpr size_t kPageSize = 1u << kPageSizeBits;
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TestWithBitmap()
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: memory_(reinterpret_cast<uint8_t*>(
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base::AlignedAlloc(kPageSize, kPageSize))) {
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memset(memory_, 0, kPageSize);
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}
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~TestWithBitmap() override { base::AlignedFree(memory_); }
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uint8_t* raw_bitmap() {
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return reinterpret_cast<uint8_t*>(memory_ +
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MemoryChunkLayout::kMarkingBitmapOffset);
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}
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MarkingBitmap* bitmap() {
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return reinterpret_cast<MarkingBitmap*>(raw_bitmap());
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}
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private:
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uint8_t* memory_;
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};
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} // namespace v8::internal
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#endif // V8_UNITTESTS_HEAP_BITMAP_TEST_UTILS_H_
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