84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#include <gtest/gtest.h>
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#include "common/ob_segmented_buffer.h"
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#include "lib/allocator/ob_mod_define.h"
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#include "lib/oblog/ob_log.h"
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#include "lib/ob_define.h"
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using namespace oceanbase::common;
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using namespace oceanbase::lib;
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TEST(TestObSegmentedBuffer, base)
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{
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const int block_size = 100;
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ObMemAttr attr(OB_SERVER_TENANT_ID, "MemMeta",
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ObCtxIds::DEFAULT_CTX_ID);
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ObSegmentedBufffer sb(block_size, attr);
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char buf[block_size * 10];
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int ret = OB_SUCCESS;
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for (int i = 0; i < 10; i++) {
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ret = sb.append(buf + block_size * i, block_size);
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ASSERT_EQ(OB_SUCCESS, ret);
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}
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ObSegmentedBuffferIterator sbi(sb);
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char *cur_buf = nullptr;
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int64_t len = 0;
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int64_t pos = 0;
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while ((cur_buf = sbi.next(len)) != nullptr) {
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ASSERT_EQ(0, memcmp(cur_buf, buf + pos, len));
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pos += len;
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}
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// test dump to file
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ASSERT_EQ(OB_INVALID_ARGUMENT, sb.dump_to_file(nullptr));
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const static char *file_name = "tmp_file";
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ASSERT_EQ(OB_SUCCESS, sb.dump_to_file(file_name));
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FILE * file = fopen (file_name, "rb" );
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ASSERT_NE(file, nullptr);
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fseek(file, 0, SEEK_END);
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int64_t size = ftell(file);
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rewind(file);
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char *buffer = (char*) malloc (size);
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ASSERT_NE(buffer, nullptr);
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ObSegmentedBufffer new_sb(block_size, attr);
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int64_t real_size = fread(buffer, 1, size, file);
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ASSERT_EQ(real_size, size);
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ASSERT_EQ(OB_SUCCESS, new_sb.append(buffer, size));
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{
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ObSegmentedBuffferIterator sbi(sb);
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ObSegmentedBuffferIterator sbi2(new_sb);
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char *ptr = 0;
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int64_t len = 0;
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while ((ptr = sbi.next(len)) != nullptr) {
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int64_t len2 = 0;
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char *ptr2 = sbi2.next(len2);
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ASSERT_EQ(len2, len);
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ASSERT_EQ(0, MEMCMP(ptr, ptr2, len));
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}
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ASSERT_EQ(nullptr, sbi.next(len));
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ASSERT_EQ(nullptr, sbi2.next(len));
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}
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system("rm -rf tmp_file");
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}
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int main(int argc, char **argv)
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{
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testing::InitGoogleTest(&argc,argv);
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OB_LOGGER.set_log_level("INFO");
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return RUN_ALL_TESTS();
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}
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