fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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219 lines
8.7 KiB
219 lines
8.7 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// Copyright (c) 2012 The LevelDB 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. See the AUTHORS file for names of contributors.
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#include "table/block_based/block_based_filter_block.h"
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#include "rocksdb/filter_policy.h"
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#include "table/block_based/block_based_table_reader.h"
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#include "table/block_based/mock_block_based_table.h"
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#include "test_util/testharness.h"
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#include "test_util/testutil.h"
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#include "util/coding.h"
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#include "util/hash.h"
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#include "util/string_util.h"
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namespace ROCKSDB_NAMESPACE {
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// Test for block based filter block
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// use new interface in FilterPolicy to create filter builder/reader
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class BlockBasedFilterBlockTest : public mock::MockBlockBasedTableTester,
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public testing::Test {
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public:
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BlockBasedFilterBlockTest()
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: mock::MockBlockBasedTableTester(NewBloomFilterPolicy(10, true)) {}
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};
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TEST_F(BlockBasedFilterBlockTest, BlockBasedEmptyBuilder) {
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FilterBlockBuilder* builder =
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new BlockBasedFilterBlockBuilder(nullptr, table_options_, 10);
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Slice slice(builder->Finish());
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ASSERT_EQ("\\x00\\x00\\x00\\x00\\x0b", EscapeString(slice));
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CachableEntry<BlockContents> block(
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new BlockContents(slice), nullptr /* cache */, nullptr /* cache_handle */,
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true /* own_value */);
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FilterBlockReader* reader =
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new BlockBasedFilterBlockReader(table_.get(), std::move(block));
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ASSERT_TRUE(reader->KeyMayMatch(
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"foo", /*prefix_extractor=*/nullptr, /*block_offset=*/uint64_t{0},
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(reader->KeyMayMatch(
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"foo", /*prefix_extractor=*/nullptr, /*block_offset=*/10000,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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delete builder;
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delete reader;
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}
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TEST_F(BlockBasedFilterBlockTest, BlockBasedSingleChunk) {
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FilterBlockBuilder* builder =
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new BlockBasedFilterBlockBuilder(nullptr, table_options_, 10);
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builder->StartBlock(100);
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builder->Add("foo");
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builder->Add("bar");
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builder->Add("box");
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builder->StartBlock(200);
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builder->Add("box");
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builder->StartBlock(300);
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builder->Add("hello");
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Slice slice(builder->Finish());
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CachableEntry<BlockContents> block(
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new BlockContents(slice), nullptr /* cache */, nullptr /* cache_handle */,
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true /* own_value */);
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FilterBlockReader* reader =
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new BlockBasedFilterBlockReader(table_.get(), std::move(block));
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ASSERT_TRUE(reader->KeyMayMatch(
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"foo", /*prefix_extractor=*/nullptr, /*block_offset=*/100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(reader->KeyMayMatch(
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"bar", /*prefix_extractor=*/nullptr, /*block_offset=*/100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(reader->KeyMayMatch(
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"box", /*prefix_extractor=*/nullptr, /*block_offset=*/100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(reader->KeyMayMatch(
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"hello", /*prefix_extractor=*/nullptr, /*block_offset=*/100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(reader->KeyMayMatch(
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"foo", /*prefix_extractor=*/nullptr, /*block_offset=*/100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(!reader->KeyMayMatch(
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"missing", /*prefix_extractor=*/nullptr, /*block_offset=*/100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(!reader->KeyMayMatch(
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"other", /*prefix_extractor=*/nullptr, /*block_offset=*/100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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delete builder;
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delete reader;
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}
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TEST_F(BlockBasedFilterBlockTest, BlockBasedMultiChunk) {
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FilterBlockBuilder* builder =
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new BlockBasedFilterBlockBuilder(nullptr, table_options_, 10);
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// First filter
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builder->StartBlock(0);
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builder->Add("foo");
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builder->StartBlock(2000);
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builder->Add("bar");
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// Second filter
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builder->StartBlock(3100);
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builder->Add("box");
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// Third filter is empty
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// Last filter
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builder->StartBlock(9000);
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builder->Add("box");
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builder->Add("hello");
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Slice slice(builder->Finish());
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CachableEntry<BlockContents> block(
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new BlockContents(slice), nullptr /* cache */, nullptr /* cache_handle */,
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true /* own_value */);
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FilterBlockReader* reader =
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new BlockBasedFilterBlockReader(table_.get(), std::move(block));
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// Check first filter
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ASSERT_TRUE(reader->KeyMayMatch(
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"foo", /*prefix_extractor=*/nullptr, /*block_offset=*/uint64_t{0},
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(reader->KeyMayMatch(
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"bar", /*prefix_extractor=*/nullptr, /*block_offset=*/2000,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(!reader->KeyMayMatch(
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"box", /*prefix_extractor=*/nullptr, /*block_offset=*/uint64_t{0},
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(!reader->KeyMayMatch(
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"hello", /*prefix_extractor=*/nullptr, /*block_offset=*/uint64_t{0},
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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// Check second filter
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ASSERT_TRUE(reader->KeyMayMatch(
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"box", /*prefix_extractor=*/nullptr, /*block_offset=*/3100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(!reader->KeyMayMatch(
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"foo", /*prefix_extractor=*/nullptr, /*block_offset=*/3100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(!reader->KeyMayMatch(
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"bar", /*prefix_extractor=*/nullptr, /*block_offset=*/3100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(!reader->KeyMayMatch(
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"hello", /*prefix_extractor=*/nullptr, /*block_offset=*/3100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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// Check third filter (empty)
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ASSERT_TRUE(!reader->KeyMayMatch(
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"foo", /*prefix_extractor=*/nullptr, /*block_offset=*/4100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(!reader->KeyMayMatch(
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"bar", /*prefix_extractor=*/nullptr, /*block_offset=*/4100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(!reader->KeyMayMatch(
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"box", /*prefix_extractor=*/nullptr, /*block_offset=*/4100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(!reader->KeyMayMatch(
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"hello", /*prefix_extractor=*/nullptr, /*block_offset=*/4100,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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// Check last filter
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ASSERT_TRUE(reader->KeyMayMatch(
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"box", /*prefix_extractor=*/nullptr, /*block_offset=*/9000,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(reader->KeyMayMatch(
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"hello", /*prefix_extractor=*/nullptr, /*block_offset=*/9000,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(!reader->KeyMayMatch(
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"foo", /*prefix_extractor=*/nullptr, /*block_offset=*/9000,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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ASSERT_TRUE(!reader->KeyMayMatch(
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"bar", /*prefix_extractor=*/nullptr, /*block_offset=*/9000,
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/*no_io=*/false, /*const_ikey_ptr=*/nullptr, /*get_context=*/nullptr,
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/*lookup_context=*/nullptr));
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delete builder;
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delete reader;
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}
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} // namespace ROCKSDB_NAMESPACE
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int main(int argc, char** argv) {
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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