/* Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   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 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */

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

#include "test_utils.h"

#include "item.h"
#include "item_cmpfunc.h"
#include "sql_class.h"
namespace item_like_unittest {

using my_testing::Server_initializer;
using my_testing::Mock_error_handler;
using ::testing::Return;


const char haystack[]=
  "CAAAACCACTATGAGATATCATCTCACACCAGTTAGAATGGCAATCATTA"
  "AAAAGTCAGGAAACAACAGGTGCTGGAGAGGATGCGGAGAAATAGGAACAC";

const char escape[]= "\\";

class ItemLikeTest : public ::testing::Test
{
protected:
  virtual void SetUp()
  {
    initializer.SetUp();
    it_haystack= new Item_string(STRING_WITH_LEN(haystack), &my_charset_latin1);
    it_escape= new Item_string(STRING_WITH_LEN(escape), &my_charset_latin1);
  }
  virtual void TearDown() { initializer.TearDown(); }

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

  Server_initializer initializer;
  Item_string *it_haystack;
  Item_string *it_escape;
};


TEST_F(ItemLikeTest, TestOne)
{
  const char needle[]= "%ACAGGTGCTGGAGAGGATGCGGAGAAATAGGAACA%" ;

  Item_string *it_needle=
    new Item_string(STRING_WITH_LEN(needle), &my_charset_latin1);
  Item_func_like *item_BM=
    new Item_func_like(it_haystack, it_needle, it_escape, false);
  EXPECT_FALSE(item_BM->fix_fields(thd(), NULL));
  EXPECT_EQ(1, item_BM->val_int());
}


// Increase number when doing performance comparisons.
// Run with ./unittest/gunit/item_like-t --disable-tap-output
//   to get timings from googletest.
const int num_executions= 1; // 100000;

TEST_F(ItemLikeTest, PerfBasic)
{
  const char needle[]= "%CAAAACCACTATGAGATATCATCTCACACCAGTTA%";
  Item_string *it_needle=
    new Item_string(STRING_WITH_LEN(needle), &my_charset_latin1);

  Item_func_like *item_BM=
    new Item_func_like(it_haystack, it_needle, it_escape, false);
  EXPECT_FALSE(item_BM->fix_fields(thd(), NULL));
  for (int ix= 0; ix < num_executions; ++ix)
  {
    EXPECT_EQ(1, item_BM->val_int());
  }
}

class ItemLikeTestP : public ::testing::TestWithParam<const char*>
{
protected:
  virtual void SetUp()
  {
    initializer.SetUp();
    m_needle= GetParam();
  }
  virtual void TearDown() { initializer.TearDown(); }

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

  Server_initializer initializer;
  const char *m_needle;
};


class ItemFalseLikeTestP : public ::testing::TestWithParam<const char*>
{
protected:
  virtual void SetUp()
  {
    initializer.SetUp();
    m_needle= GetParam();
  }
  virtual void TearDown() { initializer.TearDown(); }

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

  Server_initializer initializer;
  const char *m_needle;
};

static const char *needles[] = {
"%CAAAACCACTATGAGATATCATCTCACACCAGTTA%",
"%AAAACCACTATGAGATATCATCTCACACCAGTTAG%",
"%AAAACCACTATGAGATATCATCTCACACCAGTTAG%",
"%AAAACCACTATGAGATATCATCTCACACCAGTTAG%",
"%AAAACCACTATGAGATATCATCTCACACCAGTTAG%",
"%CAAAACCACTATGAGATATCATCTCACACCAGTTA%",
"%CAAAACCACTATGAGATATCATCTCACACCAGTTA%",
"%AAAACCACTATGAGATATCATCTCACACCAGTTAG%",
"%AAACCACTATGAGATATCATCTCACACCAGTTAGA%",
"%AACCACTATGAGATATCATCTCACACCAGTTAGAA%",
"%ACCACTATGAGATATCATCTCACACCAGTTAGAAT%",
"%CCACTATGAGATATCATCTCACACCAGTTAGAATG%",
"%CACTATGAGATATCATCTCACACCAGTTAGAATGG%",
"%ACTATGAGATATCATCTCACACCAGTTAGAATGGC%",
"%CTATGAGATATCATCTCACACCAGTTAGAATGGCA%",
"%TATGAGATATCATCTCACACCAGTTAGAATGGCAA%",
"%ATGAGATATCATCTCACACCAGTTAGAATGGCAAT%",
"%TGAGATATCATCTCACACCAGTTAGAATGGCAATC%",
"%GAGATATCATCTCACACCAGTTAGAATGGCAATCA%",
"%AGATATCATCTCACACCAGTTAGAATGGCAATCAT%",
"%GATATCATCTCACACCAGTTAGAATGGCAATCATT%",
"%ATATCATCTCACACCAGTTAGAATGGCAATCATTA%",
"%TATCATCTCACACCAGTTAGAATGGCAATCATTAA%",
"%ATCATCTCACACCAGTTAGAATGGCAATCATTAAA%",
"%TCATCTCACACCAGTTAGAATGGCAATCATTAAAA%",
"%CATCTCACACCAGTTAGAATGGCAATCATTAAAAA%",
"%ATCTCACACCAGTTAGAATGGCAATCATTAAAAAG%",
"%TCTCACACCAGTTAGAATGGCAATCATTAAAAAGT%",
"%CTCACACCAGTTAGAATGGCAATCATTAAAAAGTC%",
"%TCACACCAGTTAGAATGGCAATCATTAAAAAGTCA%",
"%CACACCAGTTAGAATGGCAATCATTAAAAAGTCAG%",
"%ACACCAGTTAGAATGGCAATCATTAAAAAGTCAGG%",
"%CACCAGTTAGAATGGCAATCATTAAAAAGTCAGGA%",
"%ACCAGTTAGAATGGCAATCATTAAAAAGTCAGGAA%",
"%CCAGTTAGAATGGCAATCATTAAAAAGTCAGGAAA%",
"%CAGTTAGAATGGCAATCATTAAAAAGTCAGGAAAC%",
"%AGTTAGAATGGCAATCATTAAAAAGTCAGGAAACA%",
"%GTTAGAATGGCAATCATTAAAAAGTCAGGAAACAA%",
"%TTAGAATGGCAATCATTAAAAAGTCAGGAAACAAC%",
"%TAGAATGGCAATCATTAAAAAGTCAGGAAACAACA%",
"%AGAATGGCAATCATTAAAAAGTCAGGAAACAACAG%",
"%GAATGGCAATCATTAAAAAGTCAGGAAACAACAGG%",
"%AATGGCAATCATTAAAAAGTCAGGAAACAACAGGT%",
"%ATGGCAATCATTAAAAAGTCAGGAAACAACAGGTG%",
"%TGGCAATCATTAAAAAGTCAGGAAACAACAGGTGC%",
"%GCAATCATTAAAAAGTCAGGAAACAACAGGTGCTG%",
"%CAATCATTAAAAAGTCAGGAAACAACAGGTGCTGG%",
"%AATCATTAAAAAGTCAGGAAACAACAGGTGCTGGA%",
"%ATCATTAAAAAGTCAGGAAACAACAGGTGCTGGAG%",
"%TCATTAAAAAGTCAGGAAACAACAGGTGCTGGAGA%",
"%CATTAAAAAGTCAGGAAACAACAGGTGCTGGAGAG%",
"%ATTAAAAAGTCAGGAAACAACAGGTGCTGGAGAGG%",
"%TTAAAAAGTCAGGAAACAACAGGTGCTGGAGAGGA%",
"%TAAAAAGTCAGGAAACAACAGGTGCTGGAGAGGAT%",
"%AAAAAGTCAGGAAACAACAGGTGCTGGAGAGGATG%",
"%AAAAGTCAGGAAACAACAGGTGCTGGAGAGGATGC%",
"%AAAGTCAGGAAACAACAGGTGCTGGAGAGGATGCG%",
"%AAGTCAGGAAACAACAGGTGCTGGAGAGGATGCGG%",
"%AGTCAGGAAACAACAGGTGCTGGAGAGGATGCGGA%",
"%GTCAGGAAACAACAGGTGCTGGAGAGGATGCGGAG%",
"%TCAGGAAACAACAGGTGCTGGAGAGGATGCGGAGA%",
"%CAGGAAACAACAGGTGCTGGAGAGGATGCGGAGAA%",
"%AGGAAACAACAGGTGCTGGAGAGGATGCGGAGAAA%",
"%GGAAACAACAGGTGCTGGAGAGGATGCGGAGAAAT%",
"%GAAACAACAGGTGCTGGAGAGGATGCGGAGAAATA%",
"%AAACAACAGGTGCTGGAGAGGATGCGGAGAAATAG%",
"%AACAACAGGTGCTGGAGAGGATGCGGAGAAATAGG%",
"%ACAACAGGTGCTGGAGAGGATGCGGAGAAATAGGA%",
"%CAACAGGTGCTGGAGAGGATGCGGAGAAATAGGAA%",
"%AACAGGTGCTGGAGAGGATGCGGAGAAATAGGAAC%",
"%ACAGGTGCTGGAGAGGATGCGGAGAAATAGGAACA%",
"%CAGGTGCTGGAGAGGATGCGGAGAAATAGGAACAC%"
};

INSTANTIATE_TEST_CASE_P(MoreNeedles, ItemLikeTestP,
                        ::testing::ValuesIn(needles));


TEST_P(ItemLikeTestP, MoreNeedlesTest)
{
  Item_string *it_haystack=
    new Item_string(STRING_WITH_LEN(haystack), &my_charset_latin1);
  Item_string *it_needle=
    new Item_string(m_needle, strlen(m_needle), &my_charset_latin1);
  Item_string *it_escape=
    new Item_string(STRING_WITH_LEN(escape), &my_charset_latin1);

  Item_func_like *item_BM=
    new Item_func_like(it_haystack, it_needle, it_escape, false);
  EXPECT_FALSE(item_BM->fix_fields(thd(), NULL));
  EXPECT_EQ(1, item_BM->val_int());
}

static const char* falseNeedles[] = {

"%ATTGACCACACTCTACTATAGAGTATCACCAAAAC%",
"%GATTGACCACACTCTACTATAGAGTATCACCAAAA%",
"%AGATTGACCACACTCTACTATAGAGTATCACCAAA%",
"%AAGATTGACCACACTCTACTATAGAGTATCACCAA%",
"%TAAGATTGACCACACTCTACTATAGAGTATCACCA%",
"%GTAAGATTGACCACACTCTACTATAGAGTATCACC%",
"%GGTAAGATTGACCACACTCTACTATAGAGTATCAC%",
"%CGGTAAGATTGACCACACTCTACTATAGAGTATCA%",
"%ACGGTAAGATTGACCACACTCTACTATAGAGTATC%",
"%AACGGTAAGATTGACCACACTCTACTATAGAGTAT%",
"%TAACGGTAAGATTGACCACACTCTACTATAGAGTA%",
"%CTAACGGTAAGATTGACCACACTCTACTATAGAGT%",
"%ACTAACGGTAAGATTGACCACACTCTACTATAGAG%",
"%TACTAACGGTAAGATTGACCACACTCTACTATAGA%",
"%TTACTAACGGTAAGATTGACCACACTCTACTATAG%",
"%ATTACTAACGGTAAGATTGACCACACTCTACTATA%",
"%AATTACTAACGGTAAGATTGACCACACTCTACTAT%",
"%AAATTACTAACGGTAAGATTGACCACACTCTACTA%",
"%AAAATTACTAACGGTAAGATTGACCACACTCTACT%",
"%AAAAATTACTAACGGTAAGATTGACCACACTCTAC%",
"%GAAAAATTACTAACGGTAAGATTGACCACACTCTA%",
"%TGAAAAATTACTAACGGTAAGATTGACCACACTCT%",
"%CTGAAAAATTACTAACGGTAAGATTGACCACACTC%",
"%ACTGAAAAATTACTAACGGTAAGATTGACCACACT%",
"%GACTGAAAAATTACTAACGGTAAGATTGACCACAC%",
"%GGACTGAAAAATTACTAACGGTAAGATTGACCACA%",
"%AGGACTGAAAAATTACTAACGGTAAGATTGACCAC%",
"%AAGGACTGAAAAATTACTAACGGTAAGATTGACCA%",
"%AAAGGACTGAAAAATTACTAACGGTAAGATTGACC%",
"%CAAAGGACTGAAAAATTACTAACGGTAAGATTGAC%",
"%ACAAAGGACTGAAAAATTACTAACGGTAAGATTGA%",
"%AACAAAGGACTGAAAAATTACTAACGGTAAGATTG%",
"%CAACAAAGGACTGAAAAATTACTAACGGTAAGATT%",
"%ACAACAAAGGACTGAAAAATTACTAACGGTAAGAT%",
"%GACAACAAAGGACTGAAAAATTACTAACGGTAAGA%",
"%GGACAACAAAGGACTGAAAAATTACTAACGGTAAG%",
"%TGGACAACAAAGGACTGAAAAATTACTAACGGTAA%",
"%GTGGACAACAAAGGACTGAAAAATTACTAACGGTA%",
"%CGTGGACAACAAAGGACTGAAAAATTACTAACGGT%",
"%TCGTGGACAACAAAGGACTGAAAAATTACTAACGG%",
"%GTCGTGGACAACAAAGGACTGAAAAATTACTAACG%",
"%GGTCGTGGACAACAAAGGACTGAAAAATTACTAAC%",
"%AGGTCGTGGACAACAAAGGACTGAAAAATTACTAA%",
"%GAGGTCGTGGACAACAAAGGACTGAAAAATTACTA%",
"%AGAGGTCGTGGACAACAAAGGACTGAAAAATTACT%",
"%GAGAGGTCGTGGACAACAAAGGACTGAAAAATTAC%",
"%GGAGAGGTCGTGGACAACAAAGGACTGAAAAATTA%",
"%AGGAGAGGTCGTGGACAACAAAGGACTGAAAAATT%",
"%TAGGAGAGGTCGTGGACAACAAAGGACTGAAAAAT%",
"%GTAGGAGAGGTCGTGGACAACAAAGGACTGAAAAA%",
"%CGTAGGAGAGGTCGTGGACAACAAAGGACTGAAAA%",
"%GCGTAGGAGAGGTCGTGGACAACAAAGGACTGAAA%",
"%GGCGTAGGAGAGGTCGTGGACAACAAAGGACTGAA%",
"%AGGCGTAGGAGAGGTCGTGGACAACAAAGGACTGA%",
"%GAGGCGTAGGAGAGGTCGTGGACAACAAAGGACTG%",
"%AGAGGCGTAGGAGAGGTCGTGGACAACAAAGGACT%",
"%AAGAGGCGTAGGAGAGGTCGTGGACAACAAAGGAC%",
"%AAAGAGGCGTAGGAGAGGTCGTGGACAACAAAGGA%",
"%TAAAGAGGCGTAGGAGAGGTCGTGGACAACAAAGG%",
"%ATAAAGAGGCGTAGGAGAGGTCGTGGACAACAAAG%",
"%GATAAAGAGGCGTAGGAGAGGTCGTGGACAACAAA%",
"%GGATAAAGAGGCGTAGGAGAGGTCGTGGACAACAA%",
"%AGGATAAAGAGGCGTAGGAGAGGTCGTGGACAACA%",
"%AAGGATAAAGAGGCGTAGGAGAGGTCGTGGACAAC%",
"%CAAGGATAAAGAGGCGTAGGAGAGGTCGTGGACAA%",
"%ACAAGGATAAAGAGGCGTAGGAGAGGTCGTGGACA%",
"%CACAAGGATAAAGAGGCGTAGGAGAGGTCGTGGAC%"
};

INSTANTIATE_TEST_CASE_P(FalseNeedlesTest, ItemFalseLikeTestP,
                        ::testing::ValuesIn(falseNeedles));

TEST_P(ItemFalseLikeTestP,FalseNeedlesTest)
{
  Item_string *it_haystack=
    new Item_string(STRING_WITH_LEN(haystack), &my_charset_latin1);
  Item_string *it_needle=
    new Item_string(m_needle, strlen(m_needle), &my_charset_latin1);
  Item_string *it_escape=
    new Item_string(STRING_WITH_LEN(escape), &my_charset_latin1);

  Item_func_like *item_BM=
    new Item_func_like(it_haystack, it_needle, it_escape, false);
  EXPECT_FALSE(item_BM->fix_fields(thd(), NULL));
  EXPECT_EQ(0, item_BM->val_int());
}


}