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oceanbase/deps/oblib/unittest/lib/string/test_fixed_length_string.cpp
oceanbase-admin cea7de1475 init push
2021-05-31 22:56:52 +08:00

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C++

/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#define USING_LOG_PREFIX LIB
#include <gtest/gtest.h>
#include "lib/ob_define.h"
#include "lib/string/ob_fixed_length_string.h"
namespace oceanbase {
namespace common {
TEST(TestFixedLengthString, common)
{
// construct functions
typedef ObFixedLengthString<32> TestString;
TestString str;
TestString str1("test");
TestString str2 = str1;
ASSERT_EQ(str1, str2);
ASSERT_NE(str, str1);
str = str1;
ASSERT_EQ(str, str1);
// compare functions
TestString str3("test3");
TestString str4("test4");
ASSERT_TRUE(str3 < str4);
ASSERT_TRUE(str4 > str3);
ASSERT_TRUE(str3 != str4);
ASSERT_FALSE(str3.is_empty());
TestString str5;
ASSERT_TRUE(str5.is_empty());
// length
ASSERT_EQ(5, str3.size());
ASSERT_EQ(0, strcmp("test3", str3.ptr()));
}
TEST(TestFixedLengthString, error)
{
typedef ObFixedLengthString<16> TestString;
// paramenter is null
TestString null_str(NULL);
ASSERT_TRUE(null_str.is_empty());
TestString str1("test");
TestString str2("test");
ASSERT_EQ(OB_SUCCESS, str1.assign(NULL));
ASSERT_EQ(str1, null_str);
// overflow
TestString str3;
ASSERT_EQ(OB_BUF_NOT_ENOUGH, str3.assign("oceanbase is a distributed database"));
ASSERT_EQ(0, strcmp("oceanbase is a ", str3.ptr()));
// to_string
LIB_LOG(INFO, "for test", K(null_str), K(str1), K(str2), K(str3));
// serialize and deserialize
char buf[32];
int64_t data_len = str3.get_serialize_size();
int64_t pos = 0;
ASSERT_EQ(OB_SUCCESS, str3.serialize(buf, sizeof(buf), pos));
ASSERT_EQ(data_len, pos);
TestString str4;
pos = 0;
ASSERT_EQ(OB_SUCCESS, str4.deserialize(buf, data_len, pos));
ASSERT_EQ(data_len, pos);
ASSERT_EQ(str3, str4);
}
} // end namespace common
} // end namespace oceanbase
int main(int argc, char** argv)
{
oceanbase::common::ObLogger::get_logger().set_log_level("INFO");
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}