oceanbase/unittest/sql/engine/expr/ob_expr_substr_test.cpp
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

155 lines
6.0 KiB
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.
*/
#include <gtest/gtest.h>
#include "sql/engine/expr/ob_expr_substr.h"
#include "ob_expr_test_utils.h"
using namespace oceanbase::common;
using namespace oceanbase::sql;
class ObExprSubstrTest : public ::testing::Test
{
public:
ObExprSubstrTest();
virtual ~ObExprSubstrTest();
virtual void SetUp();
virtual void TearDown();
private:
// disallow copy
ObExprSubstrTest(const ObExprSubstrTest &other);
ObExprSubstrTest& operator=(const ObExprSubstrTest &other);
private:
// data members
};
ObExprSubstrTest::ObExprSubstrTest()
{
}
ObExprSubstrTest::~ObExprSubstrTest()
{
}
void ObExprSubstrTest::SetUp()
{
}
void ObExprSubstrTest::TearDown()
{
}
#define T(obj, t1, v1, t2, v2, t3, v3, ref_type, ref_value) EXPECT_RESULT3(obj, &buf, calc_result3, t1, v1, t2, v2, t3, v3, ref_type, ref_value)
#define F(obj, t1, v1, t2, v2, t3, v3, ref_type, ref_value) EXPECT_FAIL_RESULT3(obj, &buf, calc_result3, t1, v1, t2, v2, t3, v3, ref_type, ref_value)
TEST_F(ObExprSubstrTest, basic_test)
{
ObArenaAllocator alloc;
ObExprSubstr substr(alloc);
ObExprStringBuf buf;
ASSERT_EQ(ObExprOperator::TWO_OR_THREE, substr.get_param_num());
// null
T(substr, null, , null, , null, , null, );
T(substr, int,1, null, , null, , null, );
T(substr, int,1, varchar, "hi", null, , null, );
T(substr, int,1, null, , varchar, "hi", null, );
//T(substr, int,1, min, 0, null, , null, );
//T(substr, int,1, max, 0, null, , null, );
//T(substr, int,1, null, , max, 0, null, );
//T(substr, int,1, null, , min, 0, null, );
//T(substr, null, , null, , min, 0, null, );
// normal
T(substr, varchar, "hello", int,0, int,100, varchar, "");
T(substr, varchar, "hello", int,1, int,100, varchar, "hello");
T(substr, varchar, "hello", int,2, int,100, varchar, "ello");
T(substr, varchar, "hello", int,3, int,100, varchar, "llo");
T(substr, varchar, "hello", int,4, int,100, varchar, "lo");
T(substr, varchar, "hello", int,5, int,100, varchar, "o");
T(substr, varchar, "hello", int,6, int,100, varchar, "");
T(substr, varchar, "hello", int,7, int,100, varchar, "");
T(substr, varchar, "hello", int,-1, int,100, varchar, "o");
T(substr, varchar, "hello", int,-2, int,100, varchar, "lo");
T(substr, varchar, "hello", int,-3, int,100, varchar, "llo");
T(substr, varchar, "hello", int,-4, int,100, varchar, "ello");
T(substr, varchar, "hello", int,-5, int,100, varchar, "hello");
T(substr, varchar, "hello", int,-6, int,100, varchar, "");
T(substr, varchar, "hello", int,-7, int,100, varchar, "");
T(substr, varchar, "hello", int,-6, int,1, varchar, "");
T(substr, varchar, "hello", int,-6, int,2, varchar, "");
T(substr, varchar, "hello", int,-6, int,3, varchar, "");
T(substr, varchar, "hello", int,-6, int,4, varchar, "");
T(substr, varchar, "hello", int,-6, int,5, varchar, "");
T(substr, varchar, "hello", int,-6, int,6, varchar, "");
T(substr, varchar, "hello", int,-6, int,7, varchar, "");
T(substr, varchar, "hello", int,-1, int,2, varchar, "o");
T(substr, varchar, "hello", int,-2, int,2, varchar, "lo");
T(substr, varchar, "hello", int,-3, int,2, varchar, "ll");
T(substr, varchar, "hello", int,-4, int,2, varchar, "el");
T(substr, varchar, "hello", int,-5, int,2, varchar, "he");
T(substr, varchar, "hello", int,0, int,-1, varchar, "");
T(substr, varchar, "hello", int,1, int,-1, varchar, "");
T(substr, varchar, "hello", int,2, int,-1, varchar, "");
T(substr, varchar, "hello", int,3, int,-1, varchar, "");
T(substr, varchar, "hello", int,4, int,-1, varchar, "");
T(substr, varchar, "hello", int,5, int,-1, varchar, "");
T(substr, varchar, "hello", int,6, int,-1, varchar, "");
T(substr, varchar, "hello", int,0, int,0, varchar, "");
T(substr, varchar, "hello", int,1, int,0, varchar, "");
T(substr, varchar, "hello", int,2, int,0, varchar, "");
T(substr, varchar, "hello", int,3, int,0, varchar, "");
T(substr, varchar, "hello", int,4, int,0, varchar, "");
T(substr, varchar, "hello", int,5, int,0, varchar, "");
T(substr, varchar, "hello", int,6, int,0, varchar, "");
}
TEST_F(ObExprSubstrTest, fail_test)
{
ObArenaAllocator alloc;
ObExprSubstr substr(alloc);
ObExprStringBuf buf;
ASSERT_EQ(ObExprOperator::TWO_OR_THREE, substr.get_param_num());
F(substr, varchar, "hi", int,1, max_value, , varchar, "hi");
F(substr, varchar, "hi", int,1, min_value, , varchar, "hi");
F(substr, varchar, "hi", min_value, , int,1, varchar, "hi");
F(substr, varchar, "hi", max_value, , int,1, varchar, "hi");
F(substr, int,1, min_value, , min_value, , varchar, "1");
F(substr, double, 1.3, min_value, , min_value, , varchar, "1.300000");
// convert
//F(substr, varchar, "hello", varchar, "3", varchar, "100", varchar, "llo");
//F(substr, varchar, "hello", varchar, "4", varchar, "100", varchar, "lo");
//F(substr, varchar, "hello", varchar, "5", varchar, "100", varchar, "o");
//F(substr, varchar, "hello", varchar, "6", varchar, "100", varchar, "");
//F(substr, varchar, "hello", varchar, "7", varchar, "100", varchar, "");
//F(substr, varchar, "hello", varchar, "-1", varchar, "100", varchar, "o");
//F(substr, varchar, "hello", varchar, "-2", varchar, "100", varchar, "lo");
//F(substr, varchar, "hello", varchar, "-3", varchar, "100", varchar, "llo");
//F(substr, varchar, "hello", varchar, "-4", varchar, "100", varchar, "ello");
}
int main(int argc, char **argv)
{
oceanbase::common::ObLogger::get_logger().set_log_level("DEBUG");
::testing::InitGoogleTest(&argc,argv);
return RUN_ALL_TESTS();
}