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unittest/sql/engine/expr/ob_expr_lrpad_test.cpp

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+/**
+ * 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 protected public
+#include <gtest/gtest.h>
+#include "sql/engine/expr/ob_expr_lrpad.h"
+#include "ob_expr_test_utils.h"
+#include "share/ob_worker.h"
+
+using namespace oceanbase::common;
+using namespace oceanbase::sql;
+using namespace oceanbase::share;
+
+class ObExprLRpadTest : public ::testing::Test {
+  public:
+  ObExprLRpadTest();
+  virtual ~ObExprLRpadTest();
+  virtual void SetUp();
+  virtual void TearDown();
+
+  private:
+  // disallow copy
+  ObExprLRpadTest(const ObExprLRpadTest& other);
+  ObExprLRpadTest& operator=(const ObExprLRpadTest& other);
+
+  private:
+  // data members
+};
+ObExprLRpadTest::ObExprLRpadTest()
+{}
+
+ObExprLRpadTest::~ObExprLRpadTest()
+{}
+
+void ObExprLRpadTest::SetUp()
+{}
+
+void ObExprLRpadTest::TearDown()
+{}
+
+#define T(obj, t1, v1, ref_type, ref_value) EXPECT_RESULT1(obj, &buf, calc_result1, t1, v1, ref_type, ref_value)
+#define F(obj, t1, v1, ref_type, ref_value) EXPECT_FAIL_RESULT1(obj, &buf, calc_result1, t1, v1, ref_type, ref_value)
+
+TEST_F(ObExprLRpadTest, lpad_oracle_test)
+{
+  ObArenaAllocator allocator;
+  ObExprOracleLpad lpad(allocator);
+  char str[] = "〝〔";
+  THIS_WORKER.set_compatibility_mode(ObWorker::CompatMode::ORACLE);
+  ObObj text;
+  ObString(strlen(str), str);
+  text.set_char("〝〔");
+  text.set_collation_type(CS_TYPE_UTF8MB4_BIN);
+
+  ObObj length;
+  number::ObNumber num;
+  num.from((int64_t)3, allocator);
+  length.set_number(num);
+
+  ObObj result;
+
+  // ObExprStringBuf str_buf;
+  ObExprCtx expr_ctx;
+  expr_ctx.calc_buf_ = &allocator;
+
+  ObObj pad_text;
+  pad_text.set_string(ObVarcharType, " ", 1L);
+
+  text.set_collation_type(CS_TYPE_UTF8MB4_BIN);
+  lpad.result_type_.set_collation_type(text.get_collation_type());
+  lpad.result_type_.set_collation_level(text.get_collation_level());
+
+  lpad.calc(ObExprBaseLRpad::LPAD_TYPE, text, length, pad_text, expr_ctx, result);
+}
+
+int main(int argc, char** argv)
+{
+  oceanbase::common::ObLogger::get_logger().set_log_level("DEBUG");
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}