mirror of https://gitee.com/bigwinds/arangodb
126 lines
4.6 KiB
C++
126 lines
4.6 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief tests for datafile structure sizes
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2012 triagens GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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/// @author Copyright 2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "Basics/Common.h"
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#include "gtest/gtest.h"
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#include "MMFiles/MMFilesDatafile.h"
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#include "MMFiles/MMFilesWalMarker.h"
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template<typename T, typename U> size_t offsetOf (U T::*member) {
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return (char*) &((T*)nullptr->*member) - (char*) nullptr;
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}
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// -----------------------------------------------------------------------------
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// --SECTION-- test suite
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test sizeof some basic elements
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////////////////////////////////////////////////////////////////////////////////
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TEST(CStructureSizeTest, tst_basic_elements) {
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EXPECT_TRUE(4 == (int) sizeof(TRI_col_type_e));
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EXPECT_TRUE(1 == (int) sizeof(MMFilesMarkerType));
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EXPECT_TRUE(4 == (int) sizeof(MMFilesDatafileVersionType));
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EXPECT_TRUE(8 == (int) sizeof(TRI_voc_cid_t));
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EXPECT_TRUE(4 == (int) sizeof(TRI_voc_crc_t));
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EXPECT_TRUE(8 == (int) sizeof(TRI_voc_tid_t));
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EXPECT_TRUE(8 == (int) sizeof(TRI_voc_rid_t));
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EXPECT_TRUE(8 == (int) sizeof(TRI_voc_tick_t));
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test sizeof MMFilesMarker
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////////////////////////////////////////////////////////////////////////////////
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TEST(CStructureSizeTest, tst_df_marker) {
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size_t s = sizeof(MMFilesMarker);
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MMFilesMarker m;
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EXPECT_TRUE(16 == (int) s);
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EXPECT_TRUE(s % 8 == 0);
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EXPECT_TRUE(0 == (int) m.offsetOfSize());
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EXPECT_TRUE(4 == (int) m.offsetOfCrc());
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EXPECT_TRUE(8 == (int) m.offsetOfTypeAndTick());
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test sizeof MMFilesDatafileHeaderMarker
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////////////////////////////////////////////////////////////////////////////////
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TEST(CStructureSizeTest, tst_df_header_marker) {
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size_t s = sizeof(MMFilesDatafileHeaderMarker);
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EXPECT_TRUE(16 + 16 == (int) s);
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EXPECT_TRUE(s % 8 == 0);
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EXPECT_TRUE(16 == (int) offsetOf(&MMFilesDatafileHeaderMarker::_version));
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EXPECT_TRUE(20 == (int) offsetOf(&MMFilesDatafileHeaderMarker::_maximalSize));
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EXPECT_TRUE(24 == (int) offsetOf(&MMFilesDatafileHeaderMarker::_fid));
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test sizeof MMFilesDatafileFooterMarker
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////////////////////////////////////////////////////////////////////////////////
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TEST(CStructureSizeTest, tst_df_footer_marker) {
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size_t s = sizeof(MMFilesDatafileFooterMarker);
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EXPECT_TRUE(16 == (int) s);
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EXPECT_TRUE(s % 8 == 0);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test sizeof MMFilesCollectionHeaderMarker
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////////////////////////////////////////////////////////////////////////////////
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TEST(CStructureSizeTest, tst_col_header_marker) {
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size_t s = sizeof(MMFilesCollectionHeaderMarker);
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EXPECT_TRUE(16 + 8 == (int) s); // base + own size
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EXPECT_TRUE(s % 8 == 0);
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EXPECT_TRUE(16 == (int) offsetOf(&MMFilesCollectionHeaderMarker::_cid));
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test sizeof MMFilesPrologueMarker
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////////////////////////////////////////////////////////////////////////////////
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TEST(CStructureSizeTest, tst_df_prologue_marker) {
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size_t s = sizeof(MMFilesPrologueMarker);
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EXPECT_TRUE(16 + 16 == (int) s);
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EXPECT_TRUE(s % 8 == 0);
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EXPECT_TRUE(16 == (int) offsetOf(&MMFilesPrologueMarker::_databaseId));
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EXPECT_TRUE(24 == (int) offsetOf(&MMFilesPrologueMarker::_collectionId));
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}
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