/* Copyright (c) 2011, 2021, Oracle and/or its affiliates.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */

// First include (the generated) my_config.h, to get correct platform defines.
#include "my_config.h"
#include <gtest/gtest.h>

#include "fake_table.h"
#include "mock_field_timestamp.h"
#include "test_utils.h"

namespace field_timestamp_unittests {


using my_testing::Server_initializer;
using my_testing::Mock_error_handler;


/*
  Tests of the public interface of Field_timestamp.
*/
class FieldTimestampTest : public ::testing::Test
{
protected:
  virtual void SetUp() { initializer.SetUp(); }
  virtual void TearDown() { initializer.TearDown(); }

  THD *get_thd() { return initializer.thd(); }

  Server_initializer initializer;
};


TEST_F(FieldTimestampTest, hasInsertDefaultFunction)
{
  {
    Mock_field_timestamp field_dn(Field::TIMESTAMP_DN_FIELD);
    EXPECT_TRUE(field_dn.has_insert_default_function());
  }
  {
    Mock_field_timestamp field_un(Field::TIMESTAMP_UN_FIELD);
    EXPECT_FALSE(field_un.has_insert_default_function());
  }
  {
    Mock_field_timestamp field_dnun(Field::TIMESTAMP_DNUN_FIELD);
    EXPECT_TRUE(field_dnun.has_insert_default_function());
  }
}


TEST_F(FieldTimestampTest, hasUpdateDefaultFunction)
{
  {
    Mock_field_timestamp field_dn(Field::TIMESTAMP_DN_FIELD);
    EXPECT_FALSE(field_dn.has_update_default_function());
  }
  {
    Mock_field_timestamp field_un(Field::TIMESTAMP_UN_FIELD);
    EXPECT_TRUE(field_un.has_update_default_function());
  }
  {
    Mock_field_timestamp field_dnun(Field::TIMESTAMP_DNUN_FIELD);
    EXPECT_TRUE(field_dnun.has_update_default_function());
  }
}


/*
  Test of DEFAULT CURRENT_TIMESTAMP functionality. Note that CURRENT_TIMESTAMP
  should be truncated to whole seconds.
*/
TEST_F(FieldTimestampTest, EvaluateInsertDefaultFunction)
{
  const timeval now= { 1, 1 };
  get_thd()->set_time(&now);

  {
    Mock_field_timestamp field_dn(Field::TIMESTAMP_DN_FIELD);
    field_dn.evaluate_insert_default_function();
    EXPECT_EQ(now.tv_sec,  field_dn.to_timeval().tv_sec);
    EXPECT_EQ(0, field_dn.to_timeval().tv_usec);
  }
  {
    Mock_field_timestamp field_un(Field::TIMESTAMP_UN_FIELD);
    field_un.evaluate_insert_default_function();
    EXPECT_EQ(0, field_un.to_timeval().tv_sec);
    EXPECT_EQ(0, field_un.to_timeval().tv_usec);
  }
  {
    Mock_field_timestamp field_dnun(Field::TIMESTAMP_DNUN_FIELD);
    field_dnun.evaluate_insert_default_function();
    EXPECT_EQ(now.tv_sec,  field_dnun.to_timeval().tv_sec);
    EXPECT_EQ(0, field_dnun.to_timeval().tv_usec);
  }
}


/*
  Test of ON UPDATE CURRENT_TIMESTAMP functionality. Note that
  CURRENT_TIMESTAMP should be truncated to whole seconds.
*/
TEST_F(FieldTimestampTest, EvaluateUpdateDefaultFunction)
{
  const timeval now= { 1, 1 };
  get_thd()->set_time(&now);

  {
    Mock_field_timestamp field_dn(Field::TIMESTAMP_DN_FIELD);
    field_dn.evaluate_update_default_function();
    EXPECT_EQ(0, field_dn.to_timeval().tv_sec);
    EXPECT_EQ(0, field_dn.to_timeval().tv_usec);
  }
  {
    Mock_field_timestamp field_un(Field::TIMESTAMP_UN_FIELD);
    field_un.evaluate_update_default_function();
    EXPECT_EQ(now.tv_sec,  field_un.to_timeval().tv_sec);
    EXPECT_EQ(0, field_un.to_timeval().tv_usec);
  }
  {
    Mock_field_timestamp field_dnun(Field::TIMESTAMP_DNUN_FIELD);
    field_dnun.evaluate_update_default_function();
    EXPECT_EQ(now.tv_sec,  field_dnun.to_timeval().tv_sec);
    EXPECT_EQ(0, field_dnun.to_timeval().tv_usec);
  }
}

}