//
//  Copyright (C) 2003-2021 Greg Landrum and other RDKit contributors
//
//   @@ All Rights Reserved @@
//  This file is part of the RDKit.
//  The contents are covered by the terms of the BSD license
//  which is included in the file license.txt, found at the root
//  of the RDKit source tree.
//
#include <RDGeneral/test.h>
#include <iostream>

#include <fstream>
#include "SmilesParse.h"
#include "SmilesWrite.h"
#include "SmartsWrite.h"
#include <GraphMol/Substruct/SubstructMatch.h>
#include <GraphMol/RDKitBase.h>
#include <GraphMol/MolPickler.h>
#include <RDGeneral/RDLog.h>
//#include <boost/log/functions.hpp>
using namespace RDKit;
using namespace std;
typedef ROMol Mol;

#define LOCAL_TEST_ALL 1
#if LOCAL_TEST_ALL
void testPass() {
  int i = 0;
  Mol *mol;
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing patterns which should parse." << std::endl;
  string smis[] = {
#if 1
    "C",
    "CC",
    "C-C",
    "C=C",
    "[CH2+]C[CH+2]",
    "C1CC=1",
    "C=1CC1",
    "Ccc",
    "C=C-O",
    "C1CC1",
    "C1NC1",
    "C1=CC1",
    "C1CCC1",
    "CC(C)CC",
    "CC(=O)O",
    "C1C(=O)C1",
    "C1C(N)C1",
    "CC(O)C",
    "OC=CCC",
    "CC([O-])O",
    "C1CC2C1CC2",
    "Cl/C=C/Cl",
    "Cl/C=C\\Cl",
    "Cl/C=C/Cl",
    "Cl/C=C\\Cl",
    "C1CC.CC1",
    "C1C(C2CC2).C2CC2C1",
    "[Na+].[Cl-].[NH4+].[Cl-]",
    "[$(CO)]CO",
    "[!$(*#*)]",
    "[!$(*#*)&!D1]-&!@[!$(*#*)&!D1]",
    "[C;!$(C-[OH])]=O",
    "[CH2;X4][N,O,S,F,Cl,Br,I]",
    "C=O",
    "[C;!$(C-[OH])]=O",
    "[#6]-!:[#6]",
    "[C^3]",
    "[*^0]",
    "[*^1]",
    "[*^2]",
    "[*^4]",
    "[*^5]",
    "[se]",
    "[te]",
    // test zeros as ring indices, issue 2690982:
    "C0CC0",
    // these used to fail before Roger Sayle's SMARTS patch:
    "[HO]",
    "[13]",
    "[+]",
    "[C:1]",
    "[C:0]",           // issue 3525776
    "[$([#0].[#0])]",  // sf.net issue 281
    //"CC((C)C)", // github #102
    "c1ccccb1",                                            // github 220
    "[Db][Sg][Bh][Hs][Mt][Ds][Rg][Cn][Uut][Fl][Uup][Lv]",  // new elements
    "C->[Cu]<-C",                                          // dative bonds
    "C%(1)CC%(1)",          // high ring closures (Github #1624)
    "C%(10)CC%(10)",        // high ring closures (Github #1624)
    "C%(100)CC%(100)",      // high ring closures (Github #1624)
    "C%(1000)CC%(1000)",    // high ring closures (Github #1624)
    "C%(10000)CC%(10000)",  // high ring closures (Github #1624)
    "[z]",                  // cactvs heteroatom neighbor queries
    "[z1]",
    "[Z]",
    "[Z1]",
    "[D{1-3}]",  // cactvs range queries
    "[D{-3}]",
    "[D{1-}]",
    "[z{1-3}]",
    "[Z{1-3}]",
    "[2H,13C]",  // github #1719
    "[+{0-3}]",
#endif
    "[-{0-3}]",
    "[-{0-3},C]",
    "[-{0-3},D{1-3}]",       // github #2709
    "C%(1000)CCC%(1000)",    // github #2909
    "C%(1000)CC(C%(1000))",  // github #2909
    "C%(1000)CC.C%(1000)",   // github #2909
    "[C;d2]",                // non-hydrogen degree
    "C$C",                   // quadruple bonds
    // extended chirality
    "C[Fe@TH](O)(Cl)F",
    "C[Fe@TH1](O)(Cl)F",
    "C[Fe@SP](O)(Cl)F",
    "C[Fe@SP1](O)(Cl)F",
    "C[Fe@TB](O)(Cl)(Br)F",
    "C[Fe@TB20](O)(Cl)(Br)F",
    "C[Fe@OH](O)(Cl)(Br)(N)F",
    "C[Fe@OH20](O)(Cl)(Br)(N)F",
    "[@TH]",
    "[@TH1]",
    "[@SP]",
    "[@SP1]",
    "[@TB]",
    "[@TB10]",
    "[@OH]",
    "[@OH20]",
    "EOS"
  };
  while (smis[i] != "EOS") {
    string smi = smis[i];
    mol = SmartsToMol(smi);
    CHECK_INVARIANT(mol, smi);
    int nAts = mol->getNumAtoms();
    CHECK_INVARIANT(nAts != 0, smi.c_str());
    {  // make sure that we can pickle and de-pickle it (this is the test for
      // github #1710):
      std::string pkl;
      MolPickler::pickleMol(*mol, pkl);
      auto mol2 = new Mol(pkl);
      TEST_ASSERT(mol2);
      delete mol2;
    }
    {
      // finally make sure that we can create parsable SMARTS from it:
      auto outSmarts = MolToSmarts(*mol);
      auto mol2 = SmartsToMol(outSmarts);
      TEST_ASSERT(mol2);
      delete mol2;
    }
    delete mol;

    i++;
  }
  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testFail() {
  int i = 0;
  Mol *mol;

  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing patterns which should fail to parse."
                       << std::endl;
  BOOST_LOG(rdInfoLog) << "\tExpect Parse error messages" << std::endl;

  // alternate good and bad smiles here to ensure that the parser can resume
  // parsing
  // on good input:
  string smis[] = {"CC=(CO)C", "CC(=CO)C", "C1CC",  "C1CC1",
                   "fff",      "C1CC1",
                   "C=0",  // part of sf.net issue 2525792
                   "C1CC1",
                   "C0",  // part of sf.net issue 2525792
                   "C1CC1",
                   "C-0",  // part of sf.net issue 2525792
                   "C1CC1",
                   "C+0",  // part of sf.net issue 2525792
                   "C1CC1",    "[HQ]",     "C1CC1", "[55555555555555C]",
                   "C1CC1",    "EOS"};
  while (smis[i] != "EOS") {
    string smi = smis[i];
    boost::logging::disable_logs("rdApp.error");
    mol = SmartsToMol(smi);
    boost::logging::enable_logs("rdApp.error");
    if (!(i % 2)) {
      CHECK_INVARIANT(!mol, smi);
    } else {
      CHECK_INVARIANT(mol, smi);
    }
    delete mol;
    i++;
  }
  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

std::vector<MatchVectType> _checkMatches(std::string smarts, std::string smiles,
                                         unsigned int nMatches,
                                         unsigned int lenFirst,
                                         bool addHs = false) {
  // utility function that will find the matches between a smarts and smiles
  // if they match the expected values
  //  smarts : smarts string
  //  smiles : smiles string
  //  nMatches : expected number of matches
  //  lenFirst : length of the first match
  //
  // Return the list of all matches just in case want to do additional testing
  ROMol *mol, *mol2, *matcher, *matcher2;
  bool matches;
  unsigned int matchCount;
  std::string pickle;
  MatchVectType mV;
  std::vector<MatchVectType> mVV;

  matcher = SmartsToMol(smarts);
  CHECK_INVARIANT(matcher, smarts);
  // we will at the same time test the serialization:
  MolPickler::pickleMol(matcher, pickle);
  matcher2 = new ROMol();
  MolPickler::molFromPickle(pickle, matcher2);
  CHECK_INVARIANT(matcher2, smarts);

  // std::cerr << "\tSMA: " << smarts << " -> " << MolToSmarts(*matcher) <<
  // std::endl;;

  mol = SmilesToMol(smiles);
  CHECK_INVARIANT(mol, smiles);
  if (addHs) {
    mol2 = MolOps::addHs(*mol);
    delete mol;
    mol = mol2;
  }
  MolOps::findSSSR(*mol);

  matches = SubstructMatch(*mol, *matcher, mV);
  CHECK_INVARIANT(matches, smarts + " " + smiles);
  CHECK_INVARIANT(mV.size() == lenFirst, smarts + " " + smiles);
  matchCount = SubstructMatch(*mol, *matcher, mVV, true);
  CHECK_INVARIANT(matchCount == nMatches, smarts + " " + smiles);
  CHECK_INVARIANT(mVV[0].size() == lenFirst, smarts + " " + smiles);
  delete matcher;
  matcher = nullptr;

  matches = SubstructMatch(*mol, *matcher2, mV);
  CHECK_INVARIANT(matches, smarts + " " + smiles);
  CHECK_INVARIANT(mV.size() == lenFirst, smarts + " " + smiles);
  matchCount = SubstructMatch(*mol, *matcher2, mVV, true);
  CHECK_INVARIANT(matchCount == nMatches, smarts + " " + smiles);
  CHECK_INVARIANT(mVV[0].size() == lenFirst, smarts + " " + smiles);
  delete matcher2;
  matcher2 = nullptr;

  delete mol;

  return mVV;
}

void _checkNoMatches(std::string smarts, std::string smiles,
                     bool addHs = false) {
  ROMol *mol, *matcher, *matcher2;
  std::string pickle;
  bool matches;
  MatchVectType mV;

  matcher = SmartsToMol(smarts);
  CHECK_INVARIANT(matcher, smarts);
  // we will at the same time test the serialization:
  MolPickler::pickleMol(matcher, pickle);
  matcher2 = new ROMol();
  MolPickler::molFromPickle(pickle, matcher2);
  CHECK_INVARIANT(matcher2, smarts);

  mol = SmilesToMol(smiles);
  CHECK_INVARIANT(mol, smiles);
  if (addHs) {
    ROMol *mol2 = MolOps::addHs(*mol);
    delete mol;
    mol = mol2;
  }
  MolOps::findSSSR(*mol);

  matches = SubstructMatch(*mol, *matcher, mV);
  CHECK_INVARIANT(!matches, smarts + "|" + smiles);
  matches = SubstructMatch(*mol, *matcher2, mV);
  CHECK_INVARIANT(!matches, smarts + "|" + smiles);
  delete mol;
  delete matcher;
  delete matcher2;
}

void testMatches() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing matching" << std::endl;

  _checkMatches("C#,=O", "CC(=O)O", 1, 2);
  _checkNoMatches("C#,=O", "CC(O)O");

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testMatches2() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing matching2" << std::endl;

  _checkMatches("C#*", "C#CO", 1, 2);

  _checkMatches("[D3]O", "C1C(O)CCC1O", 2, 2);
  _checkNoMatches("[D3]O", "C1CCCC1");

  _checkMatches("[h3]C", "C1C(C)CCC1C", 2, 2);
  _checkNoMatches("[h3]C", "C1CCCC1");

  _checkMatches("[D1;h2]C", "C1C(C)CCC1N", 1, 2);

  _checkMatches("[D1,h2][#6]", "c1c(C)cccc1CC", 3, 2);

  _checkMatches("[R2]", "C1CC2C1CC2", 2, 1);

  _checkMatches("[r4]", "C1CC2CCCC12", 4, 1);

  _checkMatches("[!r4]", "C1CC2CCCC12", 3, 1);

  _checkMatches("C@C", "C1CC1CC", 3, 2);
  _checkNoMatches("C@C", "CCCCC");

  _checkMatches("C!@C", "C1CC1CC", 2, 2);

  _checkMatches("C!@C", "CCCCC", 4, 2);

  _checkMatches("[x2]", "C1CCC1", 4, 1);
  _checkNoMatches("[x1]", "C1CCC1");
  _checkNoMatches("[x3]", "C1CCC1");
  _checkMatches("[x2]", "C1CC2C1CC2", 4, 1);
  _checkMatches("[x3]", "C1CC2C1CC2", 2, 1);
  _checkNoMatches("[x0]", "C1CCC1");
  _checkMatches("[x0]", "CC1CCC1", 1, 1);

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testMatches3() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing matching3" << std::endl;

  _checkMatches("[#6]!@[!#6]", "C1CC1CO", 1, 2);

  _checkMatches("[#6]!@[!#6]", "CCOCC", 2, 2);

  _checkMatches("C[O-]", "CC(=O)[O-]", 1, 2);
  _checkNoMatches("C[O-]", "CC(=O)[S-]");

  _checkMatches("C[-]", "CC(=O)[O-]", 1, 2);

  _checkMatches("C[-]", "CC(=O)[S-]", 1, 2);

  _checkMatches("[CH3][CH]", "C(C)(C)CC(=O)[O-]", 2, 2);

  _checkMatches("[c;H]", "c1ccccc1", 6, 1);
  _checkNoMatches("[c;H]", "C1CCCCC1");

  _checkMatches("[#6]([#7])[#6]", "c1ncccc1", 2, 3);

  _checkMatches("[c;H]", "c1c[c-]ccc1", 5, 1);

  _checkMatches("C~O", "C(=O)[O-]", 2, 2);

  // -----
  // This block is connected to SF-Issue 1538280
  //   http://sourceforge.net/tracker/index.php?func=detail&aid=1538280&group_id=160139&atid=814650
  _checkMatches("[R]", "c1ccccc1", 6, 1);

  _checkMatches("[r]", "c1ccccc1", 6, 1);

  _checkMatches("[R;!O]", "c1ccccc1", 6, 1);

  _checkMatches("[c]", "c1ccccc1", 6, 1);

  _checkMatches("[R;c]", "c1ccccc1", 6, 1);

  _checkMatches("[c;#6]", "c1ccccc1", 6, 1);

  _checkMatches("[R;R]", "c1ccccc1", 6, 1);

  _checkMatches("[#6;R]", "c1ccccc1", 6, 1);

  _checkMatches("[c;R]", "c1ccccc1", 6, 1);

  _checkMatches("[!O;R]", "c1ccccc1", 6, 1);

  _checkMatches("[!C;R]", "c1ccccc1", 6, 1);

  _checkMatches("[!C;R]", "C1COC1", 1, 1);

  // -----
  // This block is connected to SF-Issue 1836223
  //   http://sourceforge.net/tracker/index.php?func=detail&aid=1836223&group_id=160139&atid=814650
  _checkMatches("[r6]", "C1CCCCC1", 6, 1);
  _checkNoMatches("[CR2r6]", "C1CCCC2C1CC2");
  _checkMatches("[CR2r4]", "C1CCCC2C1CC2", 2, 1);

  // -----
  // This block is connected to SF-Issue 1912895
  //   http://sourceforge.net/tracker/index.php?func=detail&aid=1912895&group_id=160139&atid=814650
  _checkMatches("[$(Sc)]", "Sc1ccccc1", 1, 1);
  _checkMatches("[Sc]", "[Sc]C", 1, 1);
  _checkMatches("[Sc]", "[Sc]C", 1, 1);
  _checkMatches("[$([Sc])]", "[Sc]C", 1, 1);
  _checkNoMatches("[$(Sc)]", "[Sc]C");
  _checkNoMatches("[$([Sc])]", "Sc1ccccc1");

  // -----
  // This block is connected to SF-Issue 1968930
  //   http://sourceforge.net/tracker/index.php?func=detail&aid=1968930&group_id=160139&atid=814650
  _checkNoMatches("C[16*,32*]", "CC(=O)[O-]");
  _checkMatches("C[16*,32*]", "CC(=O)[16O-]", 1, 2);
  _checkNoMatches("C[16*,32*]", "CC(=O)[S-]");
  _checkMatches("C[16*,32*]", "CC(=O)[32S-]", 1, 2);

  // -----
  // This block is connected to GitHub #60
  //
  _checkMatches("[#7h1]", "c1cnc[nH]1", 1, 1);
  _checkNoMatches("[#7h1]", "c1cnc[nH]1", true);

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testMatches4() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing matching4" << std::endl;

  _checkMatches("[X3]", "C(C)(C)=CC(C)(C)N", 3, 1);

  _checkMatches("[D3]", "C(C)(C)=CC(C)(C)N", 1, 1);

  _checkMatches("[v3]", "C(C)(C)=CC(C)(C)N", 1, 1);

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testMatches5() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing matching 5" << std::endl;

  _checkMatches("[$(CO)]", "COCCC", 2, 1);

  _checkMatches("[$(CO)]C", "COCCC", 1, 2);

  std::vector<MatchVectType> mVV =
      _checkMatches("[C;D3](C)C", "CC(C)CCOC(C)C", 4, 3);
  CHECK_INVARIANT(mVV[0][0].second == 1, "");
  CHECK_INVARIANT(mVV[0][1].second == 0 || mVV[0][2].second == 0, "");
  CHECK_INVARIANT(mVV[0][1].second == 2 || mVV[0][2].second == 2, "");

  mVV = _checkMatches("[$(C(C)C)]O", "CC(C)CCOC(C)C", 1, 2);
  CHECK_INVARIANT(mVV[0][0].second == 6, "");
  CHECK_INVARIANT(mVV[0][1].second == 5, "");

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}
void testMatches6() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing matching 6" << std::endl;

  _checkMatches("[C^3]", "CCC", 3, 1);
  _checkMatches("[C^3]", "CC=C", 1, 1);
  _checkMatches("[C^2]", "CC=C", 2, 1);
  _checkNoMatches("[C^2]", "CCC");

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testTransuranic() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Transuranic matching" << std::endl;

  _checkMatches("[Db][Sg][Bh][Hs][Mt][Ds][Rg][Cn][Uut][Fl][Uup][Lv]",
                "[Db][Sg][Bh][Hs][Mt][Ds][Rg][Cn][Uut][Fl][Uup][Lv]", 1, 12);
  _checkNoMatches("[Db]", "[Sg][Bh][Hs][Mt][Ds][Rg][Cn][Uut][Fl][Uup][Lv]");

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testProblems() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing former problems" << std::endl;

#if 1
  _checkMatches("[$(C(=O)O)]", "CC(=O)OC", 1, 1);

  _checkMatches("[$(C(=O)[O,N])]", "CC(=O)OC", 1, 1);

  _checkNoMatches("[$(C(=O)O)]", "CC(=O)NC");
  _checkMatches("[$(C(=O)[O,N])]", "CC(=O)NC", 1, 1);

  //
  //  Problems discovered while getting the Crippen stuff working
  //
  _checkNoMatches("[N+0]C", "C[N+](=O)[O-]");

  _checkMatches("[N+1]C", "C[N+](=O)[O-]", 1, 2);

  // Issue 71
  _checkMatches("CCC", "CCC", 1, 3);
  _checkMatches("CCC", "C1CC1", 1, 3);

  // this pattern caused crashes at one point
  _checkNoMatches("[!$(*#*)&!D1]-&!@[!$(*#*)&!D1]", "N#CCC#N");

  // ensure that the recursive queries get property reset
  _checkMatches("[!$(*#*)&!D1]-&!@[!$(*#*)&!D1]", "OCCC#N", 1, 2);

  _checkNoMatches("[!$(*#*)&!D1]-&!@[!$(*#*)&!D1]", "N#CCC#N");

  _checkMatches("[!$(*#*)&!D1]-&!@[!$(*#*)&!D1]", "OCCC#N", 1, 2);

  // these weren't being parsed at one point, make sure they match
  _checkMatches("N(=,-C)", "N=C", 1, 2);
  _checkMatches("N(=,-C)", "N-C", 1, 2);
  _checkNoMatches("N(=,-C)", "N#C");

  _checkMatches("[$(O),Cl]", "C(=O)O", 2, 1);
  _checkMatches("[Cl,$(O)]", "C(=O)O", 2, 1);

  // tests precedence of &
  _checkNoMatches("[N&v3;H1,H2]", "CCC");
  _checkMatches("[N&v3;H1,H2]", "CNC", 1, 1);

  // nested recursion (yick!)
  _checkNoMatches("[O]-[!$(*=O)]", "CC(=O)O");

// BOOST_LOG(rdInfoLog) << "-*-*-*-*-*-*-*-*-" << std::endl;
#endif
  _checkNoMatches("[$([O]-[!$(*=O)])]", "CC(=O)O");

  // ISSUE 78
  _checkNoMatches("[$(C1CC1)]", "C1CCC1");

  // The next one got fixed too quickly to get an Issue id:
  _checkMatches("[!$(a(:a!:*):a!:*)]", "c1(C)cccc(C)c1CC", 9, 1);

  // Issue 99:
  std::string sma = "[r10,r11]";
  ROMol *matcher = SmartsToMol(sma);
  CHECK_INVARIANT(matcher, sma);

  // Issue 65:
  _checkMatches("C[C;H]", "FC(F)(F)C(O)O", 1, 2);
  _checkNoMatches("CC[H]", "FC(F)(F)C(O)O");
  _checkMatches("CC[H]", "FC(F)(F)C(O)O", 1, 3, true);

  _checkNoMatches("C[C;H]", "FC(F)(F)C(O)(O)O");
  _checkNoMatches("CC[H]", "FC(F)(F)C(O)(O)O");

  _checkNoMatches("C[C;H]", "FC(F)(F)CO");
  _checkNoMatches("CC[H]", "FC(F)(F)CO");
  _checkMatches("CC[H]", "FC(F)(F)CO", 2, 3, true);

  _checkMatches("*-[N;H2,H1&-1,-2]", "CC(N)C", 1, 2);
  _checkMatches("*-[N;H2,H1&-1,-2]", "CC([NH2])C", 1, 2);
  _checkMatches("*-[N;H2,H1&-1,-2]", "CC([NH-])C", 1, 2);
  _checkMatches("*-[N;H2,H1&-1,-2]", "CC([N-2])C", 1, 2);
  _checkNoMatches("*-[N;H2,H1&-1,-2]", "CC(=N)C");
  _checkNoMatches("*-[N;H2,H1&-1,-2]", "CC(NC)C");

  delete matcher;
  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testFrags() {
  int i = 0;
  Mol *mol;
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing fragment patterns." << std::endl;
  string smis[] = {"C=O",
                   "[C!$(C-[OH])]=O",
                   "[C!$(C=O)]-[OH]",
                   "c[OH]",
                   "O(-[#6])-C",
                   "[NH2]",
                   "[NH1,nH1]",
                   "[NH0,nH0]",
                   "n",
                   "[Nv3](=C)-[#6]",
                   "C#N",
                   "[#9,#17,#35,#53]",
                   "[SX2](-[#6])-C",
                   "[SH]",
                   "C=[SX1]",
                   "C=N-O",
                   "[N!$(N=O)](-O)-C",
                   "[N!$(N-O)]=O",
                   "[NX3]-[NX3]",
                   "C=N-[NX3]",
                   "N(=O)(O)[#6]",
                   "[#6]-N=N-[#6]",
                   "[N+]#N",
                   "[#6]-N=[N+]=[N-]",
                   "S(=,-[OX1;+0,-1])(=,-[OX1;+0,-1])(-[#6])-[#6]",
                   "N-S(=,-[OX1;+0,-1])(=,-[OX1;+0,-1])-[#6]",
                   "[NH2]-S(=,-[OX1;+0;-1])(=,-[OX1;+0;-1])-[#6]",
                   "C(=O)-N",
                   "C(=O)-[NH2]",
                   "C(=N)(-N)-[!#7]",
                   "N=C=O",
                   "N=C=S",
                   "S-C#N",
                   "C(=O)O-C",
                   "C-C(=O)[O;H1,-]",
                   "c-C(=O)[O;H1,-]",
                   "[#6]C(=O)[O;H,-1]",
                   "C1C(=O)NC(=O)NC1=O",
                   "C(=O)(-N)-N",
                   "N(-C(=O))-C=O",
                   "C#[CH]",
                   "n1cncc1",
                   "o1cccc1",
                   "s1cccc1",
                   "c1scnc1",
                   "c1ocnc1",
                   "n1ccccc1",
                   "N1CCCCC1",
                   "N1CCNCC1",
                   "O1CCNCC1",
                   "N1C(=O)CC1",
                   "[NX4]",
                   "[nH]",
                   "C(=N)(N)N",
                   "c1nnnn1",
                   "O1CC1",
                   "EOS"};
  while (smis[i] != "EOS") {
    string smi = smis[i];
    mol = SmartsToMol(smi);
    CHECK_INVARIANT(mol, smi);
    if (mol) {
      int nAts = mol->getNumAtoms();
      CHECK_INVARIANT(nAts != 0, smi.c_str());
      delete mol;
    }
    i++;
  }
  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testSmartsWrite() {
  int i = 0;
  Mol *mol;
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Smarts Writer." << std::endl;
  string smis[] = {"[v3]",
                   "n1cncc1",
                   "c[OH]",
                   "S(=,-[O])",
                   "CC",
                   "C=O",
                   "[$(C=O)]",
                   "[C!$(C=O)]",
                   "[C!$(C-[OH])]=O",
                   "[C!$(C=O)]-[OH]",
                   "O(-[#6])-C",
                   "[NH2]",
                   "[NH1,nH1]",
                   "[NH0,nH0]",
                   "n",
                   "[Nv3](=C)-[#6]",
                   "C#N",
                   "[#9,#17,#35,#53]",
                   "[SX2](-[#6])-C",
                   "[SH]",
                   "C=[SX1]",
                   "C=N-O",
                   "[N!$(N=O)](-O)-C",
                   "[N!$(N-O)]=O",
                   "[NX3]-[NX3]",
                   "C=N-[NX3]",
                   "N(=O)(O)[#6]",
                   "[#6]-N=N-[#6]",
                   "[N+]#N",
                   "[#6]-N=[N+]=[N-]",
                   "S(=,-[OX1;+0,-1])(=,-[OX1;+0,-1])(-[#6])-[#6]",
                   "N-S(=,-[OX1;+0,-1])(=,-[OX1;+0,-1])-[#6]",
                   "[NH2]-S(=,-[OX1;+0;-1])(=,-[OX1;+0;-1])-[#6]",
                   "C(=O)-N",
                   "C(=O)-[NH2]",
                   "C(=N)(-N)-[!#7]",
                   "N=C=O",
                   "N=C=S",
                   "S-C#N",
                   "C(=O)O-C",
                   "C-C(=O)[O;H1,-]",
                   "c-C(=O)[O;H1,-]",
                   "[#6]C(=O)[O;H,-1]",
                   "C1C(=O)NC(=O)NC1=O",
                   "C(=O)(-N)-N",
                   "N(-C(=O))-C=O",
                   "C#[CH]",
                   "n1cncc1",
                   "o1cccc1",
                   "s1cccc1",
                   "c1scnc1",
                   "c1ocnc1",
                   "n1ccccc1",
                   "N1CCCCC1",
                   "N1CCNCC1",
                   "O1CCNCC1",
                   "N1C(=O)CC1",
                   "[NX4]",
                   "[nH]",
                   "C(=N)(N)N",
                   "c1nnnn1",
                   "O1CC1",
                   "[C^3]",
                   "[$([NH2][CX4]),$([$([NH]([CX4])[CX4]);!$([NH]([CX4])[CX4]["
                   "O,N]);!$([NH]([CX4])[CX4][O,N])]),$([ND3]([CX4])([CX4])["
                   "CX4])]",    // this was sf.net issue 3496800
                   "[r6][r6]",  // this was sf.net issue 3496799
                   "EOS"};

  std::vector<std::string> diffSmi;

  while (smis[i] != "EOS") {
    std::string smi = smis[i];
    mol = SmartsToMol(smi);
    CHECK_INVARIANT(mol, smi);
    std::string nsma = MolToSmarts(*mol);
    if (smi != nsma) {
      diffSmi.push_back(smi);
    }
    i++;
    delete mol;
  }

  // for the smarts that come out different from the writer verify if they are
  // functionally the same

  std::string smiles[] = {
      "c1c(O)cccc1",
      "O=C(O)C[N+]#N",
      "CN=[N+]=[N-]",
      "NS(O)(=O)C",
      "NS(=O)(=O)C",
      "CC1=CC(=O)C=CC1=O",
      "OC1=C(Cl)C=C(C=C1[N+]([O-])=O)[N+]([O-])=O",
      "NC1=CC2=C(C=C1)C(=O)C3=C(C=CC=C3)C2=O",
      "NC1=CC2=C(C=C1)C(=O)C3=C(C=CC=C3)C2=O",
      "OC(=O)C1=C(C=CC=C1)C2=C3C=CC(=O)C(=C3OC4=C2C=CC(=C4Br)O)Br",
      "CN(C)C1=C(Cl)C(=O)C2=C(C=CC=C2)C1=O",
      "CC(=NO)C(C)=NO",
      "CC1=NN(C(=O)C1)C2=CC=CC=C2",
      "NC1=CC=NC2=C1C=CC(=C2)Cl",
      "BrN1C(=O)CCC1=O",
      "CCCCSCC",
      "CC(=O)NC1=NC2=C(C=C1)C(=CC=N2)O",
      "CC(=O)NC1=NC2=C(C=C1)C(=CC=N2)O",
      "NN=C(C1=CC=CC=C1)C2=CC=CC=C2",
      "OC(=O)[CH](CC1=CC=CC=C1)C2=CC=CC=C2",
      "O=S(CC1=CC=CC=C1)CC2=CC=CC=C2",
      "O=S(=O)(CC1=CC=CC=C1)CC2=CC=CC=C2",
      "O=S(=O)(CC1=CC=CC=C1)CC2=CC=CC=C2",
      "CCOC(=O)C1=CC=C(C=C1)S(=O)(=O)N(CC)CC",
      "CN1C2=C(SC3=C1C=CC=C3)C=CC=C2",
      "CC1=CC=C(S)C=C1",
      "SC1=C2C=CC=C(S)C2=CC=C1",
      "CC(=S)N1CCCCC1",
      "CC(C)CSC(C)=S",
      "NNP(=S)(NN)C1=CC=CC=C1",
      "NNC(=S)NNC1=CC=CC=C1",
      "CCCCOC(N)=O",
      "CNCC(N)=O",
      "CC(C)(O)C#C",
      "CC(C)C[C](C)(O)C#C",
      "EOS"};

  std::vector<std::string>::const_iterator dsmi;
  i = 0;
  MatchVectType mV1, mV2;
  bool mts1, mts2;
  while (smiles[i] != "EOS") {
    ROMol *nmol = SmilesToMol(smiles[i]);
    TEST_ASSERT(nmol);
    for (dsmi = diffSmi.begin(); dsmi != diffSmi.end(); dsmi++) {
      ROMol *m1 = SmartsToMol(*dsmi);
      TEST_ASSERT(m1)
      std::string wsma = MolToSmarts(*m1);
      ROMol *m2 = SmartsToMol(wsma);
      TEST_ASSERT(m2)

      mts1 = SubstructMatch(*nmol, *m1, mV1);
      mts2 = SubstructMatch(*nmol, *m2, mV2);

      CHECK_INVARIANT(mts1 == mts2, (*dsmi) + std::string(" ") + wsma);
      CHECK_INVARIANT(mV1.size() == mV2.size(), "");

      delete m1;
      delete m2;
    }
    delete nmol;
    i++;
  }
  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testIssue196() {
  ROMol *mol1 = nullptr, *matcher1 = nullptr;
  std::string smi, sma;

  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Issue 196: Smarts handling of 'aa' incorrect"
                       << std::endl;

  smi = "c1ccccc1";
  mol1 = SmilesToMol(smi);
  TEST_ASSERT(mol1);
  sma = "aa";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);

  MatchVectType mV1;
  bool mts1;
  mts1 = SubstructMatch(*mol1, *matcher1, mV1);
  TEST_ASSERT(mts1);
  TEST_ASSERT(mV1.size() == 2);

  delete mol1;
  delete matcher1;
  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testIssue254() {
  ROMol *mol1, *mol2;
  ROMol *matcher1, *matcher2;
  std::string smi, sma;
  MatchVectType mV;
  bool mts;

  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog)
      << "Testing Issue 254: Bad handling of unspecified bonds in SMARTS"
      << std::endl;

  smi = "n1nnnnc1c1nnnnn1";
  mol1 = SmilesToMol(smi);
  TEST_ASSERT(mol1);
  smi = "c1ccccc1";
  mol2 = SmilesToMol(smi);
  TEST_ASSERT(mol2);

  sma = "cc";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  sma = "[#6][#6]";
  matcher2 = SmartsToMol(sma);
  TEST_ASSERT(matcher2);

  mts = SubstructMatch(*mol1, *matcher1, mV);
  TEST_ASSERT(mts);
  mts = SubstructMatch(*mol2, *matcher1, mV);
  TEST_ASSERT(mts);

  mts = SubstructMatch(*mol1, *matcher2, mV);
  TEST_ASSERT(mts);
  mts = SubstructMatch(*mol2, *matcher2, mV);
  TEST_ASSERT(mts);

  delete mol1;

  smi = "C1CCCCC1";
  mol1 = SmilesToMol(smi);
  TEST_ASSERT(mol1);
  mts = SubstructMatch(*mol1, *matcher1, mV);
  TEST_ASSERT(!mts);
  mts = SubstructMatch(*mol1, *matcher2, mV);
  TEST_ASSERT(mts);

  delete matcher1;
  sma = "[#6]1[#6][#6][#6][#6][#6]1";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  mts = SubstructMatch(*mol1, *matcher1, mV);
  TEST_ASSERT(mts);
  mts = SubstructMatch(*mol2, *matcher1, mV);
  TEST_ASSERT(mts);

  delete mol1;
  delete mol2;
  delete matcher1;
  delete matcher2;

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testIssue255() {
  ROMol *matcher1;
  std::string sma;
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Issue 255: Core leaks in smarts parsing.  "
                          "Watch memory consumption."
                       << std::endl;

  for (int i = 0; i < 10000; i++) {
#if 1
    sma = "CC";
    matcher1 = SmartsToMol(sma);
    TEST_ASSERT(matcher1);
    delete matcher1;

    sma = "C-C";
    matcher1 = SmartsToMol(sma);
    TEST_ASSERT(matcher1);
    delete matcher1;

    sma = "C=C";
    matcher1 = SmartsToMol(sma);
    TEST_ASSERT(matcher1);
    delete matcher1;

    sma = "C=,#C";
    matcher1 = SmartsToMol(sma);
    TEST_ASSERT(matcher1);
    delete matcher1;
#endif
    sma = "C-1CC-1";
    // matcher1 = SmartsToMol(sma);
    matcher1 = SmilesToMol(sma);
    TEST_ASSERT(matcher1);
    delete matcher1;
#if 1

    sma = "C-1CC1";
    matcher1 = SmartsToMol(sma);
    TEST_ASSERT(matcher1);
    delete matcher1;
#endif
  }

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testIssue330() {
  ROMol *matcher1;
  std::string sma, wsma;
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog)
      << "Testing Issue 330: problems writing some recursive smarts."
      << std::endl;
  sma = "[$(C=O)]";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  wsma = MolToSmarts(*matcher1);
  // BOOST_LOG(rdInfoLog) << "sma: " << wsma << std::endl;

  delete matcher1;
  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

#endif
void testIssue351() {
  ROMol *matcher1;
  std::string sma;
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Issue 351:" << std::endl;

  sma = "[$(C),S&v2]";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  delete matcher1;

  // this was failing:
  // std::cerr << "-*-*-*-*-*-*-*-*-*-*-*-*-*-*-" << std::endl;
  sma = "[$([C]),S&v2]";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  delete matcher1;

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testAtomMap() {
  ROMol *matcher1;
  std::string sma;
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing atom map assignment:" << std::endl;

  int mapNum;

  sma = "[C:10]CC";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  TEST_ASSERT(matcher1->getAtomWithIdx(0)->hasProp(
      common_properties::molAtomMapNumber));
  matcher1->getAtomWithIdx(0)->getProp(common_properties::molAtomMapNumber,
                                       mapNum);
  TEST_ASSERT(mapNum == 10);
  delete matcher1;

  sma = "[CH3:10]CC";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  TEST_ASSERT(matcher1->getAtomWithIdx(0)->hasProp(
      common_properties::molAtomMapNumber));
  matcher1->getAtomWithIdx(0)->getProp(common_properties::molAtomMapNumber,
                                       mapNum);
  TEST_ASSERT(mapNum == 10);
  delete matcher1;

  sma = "[C:10H3]CC";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(!matcher1);
  delete matcher1;

  sma = "[C:10:3]ON";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(!matcher1);
  delete matcher1;

  sma = "C-C";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  sma = MolToSmiles(*matcher1);
  TEST_ASSERT(sma == "CC");

  // test writing the atom map numbers:
  delete matcher1;
  sma = "[C:4]";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  sma = MolToSmarts(*matcher1);
  TEST_ASSERT(sma == "[C:4]");

  delete matcher1;
  sma = "[C;$(C=O):2]-[O:3]";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  sma = MolToSmarts(*matcher1);
  TEST_ASSERT(sma == "[C&$(C=O):2]-[O:3]");

  delete matcher1;
  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

#if 1
void testIssue1804420() {
  ROMol *matcher1;
  std::string sma;
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog)
      << "Testing issue 1804420, missing assignment of atoms maps" << std::endl;

  sma = "[N;D3:1]";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  TEST_ASSERT(matcher1->getAtomWithIdx(0)->hasProp(
      common_properties::molAtomMapNumber));
  delete matcher1;

  sma = "[N,O;D3:1]";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  TEST_ASSERT(matcher1->getAtomWithIdx(0)->hasProp(
      common_properties::molAtomMapNumber));
  delete matcher1;

  sma = "[N&R;X3:1]";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  TEST_ASSERT(matcher1->getAtomWithIdx(0)->hasProp(
      common_properties::molAtomMapNumber));
  delete matcher1;

  sma = "[NH0&R;D3,X3:1]";
  matcher1 = SmartsToMol(sma);
  TEST_ASSERT(matcher1);
  TEST_ASSERT(matcher1->getAtomWithIdx(0)->hasProp(
      common_properties::molAtomMapNumber));
  delete matcher1;

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}
#endif

void testSmartsSmiles() {
  RWMol *mol;
  std::string sma, smi;

  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing cleaner SMARTS -> SMILES " << std::endl;

  smi = "c1ccccc1";
  mol = SmartsToMol(smi);
  TEST_ASSERT(mol);
  smi = MolToSmiles(*mol);
  TEST_ASSERT(smi == "c1ccccc1");

  delete mol;
  smi = "C1CCCCC1";
  mol = SmartsToMol(smi);
  TEST_ASSERT(mol);
  smi = MolToSmiles(*mol);
  TEST_ASSERT(smi == "C1CCCCC1");

  delete mol;
  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testSmilesSmarts() {
  RWMol *mol;
  std::string sma, smi;

  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing SMILES -> SMARTS" << std::endl;

  smi = "CC";
  mol = SmilesToMol(smi);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  TEST_ASSERT(sma == "[#6]-[#6]");
  delete mol;

  smi = "C[Si]";
  mol = SmilesToMol(smi);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  TEST_ASSERT(sma == "[#6]-[Si]");
  delete mol;

  smi = "[CH2-]C";
  mol = SmilesToMol(smi);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  TEST_ASSERT(sma == "[#6H2-]-[#6]");
  delete mol;

  smi = "[CH-2]C";
  mol = SmilesToMol(smi);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  TEST_ASSERT(sma == "[#6H-2]-[#6]");
  delete mol;

  smi = "[CH4+]C";
  mol = SmilesToMol(smi);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  TEST_ASSERT(sma == "[#6H4+]-[#6]");
  delete mol;

  smi = "[CH5+2]C";
  mol = SmilesToMol(smi);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  TEST_ASSERT(sma == "[#6H5+2]-[#6]");
  delete mol;

  smi = "c1ccccc1";
  mol = SmilesToMol(smi);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  TEST_ASSERT(sma == "[#6]1:[#6]:[#6]:[#6]:[#6]:[#6]:1");
  delete mol;

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testIssue1914154() {
  RWMol *mol;
  std::string sma;

  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Issue 1914154: problems with generating "
                          "smarts for recursive queries"
                       << std::endl;

  sma = "[$(C);$(O)]";
  mol = SmartsToMol(sma);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  BOOST_LOG(rdInfoLog) << sma << std::endl;
  TEST_ASSERT(sma == "[$(C)&$(O)]");
  delete mol;

  sma = "[$(C),$(O)]";
  mol = SmartsToMol(sma);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  BOOST_LOG(rdInfoLog) << sma << std::endl;
  TEST_ASSERT(sma == "[$(C),$(O)]");
  delete mol;

  sma = "[!$(C);$(O)]";
  mol = SmartsToMol(sma);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  BOOST_LOG(rdInfoLog) << sma << std::endl;
  TEST_ASSERT(sma == "[!$(C)&$(O)]");
  delete mol;

  sma = "[C;$(C-O);$(C=O)]";
  mol = SmartsToMol(sma);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  BOOST_LOG(rdInfoLog) << sma << std::endl;
  TEST_ASSERT(sma == "[C&$(C-O)&$(C=O)]");
  delete mol;

  sma = "[$(C=O),$(C-O);$(C-N)]";
  mol = SmartsToMol(sma);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  BOOST_LOG(rdInfoLog) << sma << std::endl;
  TEST_ASSERT(sma == "[$(C=O),$(C-O);$(C-N)]");
  delete mol;

  sma = "[$(C-N);$(C=O),$(C-O)]";
  mol = SmartsToMol(sma);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  BOOST_LOG(rdInfoLog) << sma << std::endl;
  TEST_ASSERT(sma == "[$(C-N);$(C=O),$(C-O)]");
  delete mol;

  sma = "[$(C-N)&$(C=O),$(C-O)]";
  mol = SmartsToMol(sma);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  BOOST_LOG(rdInfoLog) << sma << std::endl;
  TEST_ASSERT(sma == "[$(C-N)&$(C=O),$(C-O)]");
  delete mol;

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testMiscSmartsWriting() {
  RWMol *mol;
  std::string sma;

  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing miscellaneous bits of SMARTS writing"
                       << std::endl;

  sma = "[13C]";
  mol = SmartsToMol(sma);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  TEST_ASSERT(sma == "[C&13*]");
  delete mol;

  sma = "[C]";
  mol = SmartsToMol(sma);
  TEST_ASSERT(mol);
  sma = MolToSmarts(*mol);
  TEST_ASSERT(sma == "C");
  delete mol;

  mol = new RWMol();
  sma = MolToSmarts(*mol);
  TEST_ASSERT(sma == "");
  delete mol;

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testSmartsStereochem() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing handling (or lack thereof) of stereochem in "
                          "smarts (sf.net issue 2738320)"
                       << std::endl;

  _checkMatches("C/C=C/C", "CC=CC", 1, 4);
  _checkMatches("C/C=C/C", "C/C=C/C", 1, 4);
  _checkMatches("C/C=C/C", "C\\C=C\\C", 1, 4);
  _checkMatches("C/C=C/C", "C/C=C\\C", 1, 4);

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testIssue2884178_part1() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Issue 2884178 part1: SubstructMatch not "
                          "returning correct number of matches"
                       << std::endl;

  {
    // part one of the problem: number of unique matches incorrect
    RWMol *patt, *mol;
    std::string sma;
    sma = "*~1~*~*~*~*~*~*~*~*~*~*~*~*~*1";
    patt = SmartsToMol(sma);
    TEST_ASSERT(patt);
    sma = "CC1CCC3C4CCCCC4CCC3C1";
    mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    std::vector<MatchVectType> mVV;
    unsigned int count = SubstructMatch(*mol, *patt, mVV, true);
    TEST_ASSERT(count == 1);
    TEST_ASSERT(mVV.size() == 1);
    delete patt;
    delete mol;
  }
  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testIssue2884178_part2() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Issue 2884178 part2: SubstructMatch not "
                          "returning correct number of matches"
                       << std::endl;

  {
    RWMol *patt, *mol;
    std::string sma;
    sma = "C~1~C~C~1";
    patt = SmartsToMol(sma);
    unsigned int count;

    TEST_ASSERT(patt);
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 1));
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 1)->hasQuery());
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 1)->getQuery()->getDescription() ==
                "BondNull");
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 2));
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 2)->hasQuery());
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 2)->getQuery()->getDescription() ==
                "BondNull");

    sma = "C1CC1";
    mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    std::vector<MatchVectType> mVV;
    count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 6);
    TEST_ASSERT(mVV.size() == 6);

    delete mol;
    sma = "C1C=C1";
    mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 6);
    TEST_ASSERT(mVV.size() == 6);

    delete patt;
    delete mol;
  }
  {
    RWMol *patt, *mol;
    std::string sma;
    sma = "C~1~C~C1";
    unsigned int count;

    patt = SmartsToMol(sma);
    TEST_ASSERT(patt);
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 1));
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 1)->hasQuery());
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 1)->getQuery()->getDescription() ==
                "BondNull");
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 2));
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 2)->hasQuery());
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 2)->getQuery()->getDescription() ==
                "BondNull");

    sma = "C1CC1";
    mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    std::vector<MatchVectType> mVV;
    count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 6);
    TEST_ASSERT(mVV.size() == 6);

    delete mol;
    sma = "C1C=C1";
    mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 6);
    TEST_ASSERT(mVV.size() == 6);

    delete patt;
    delete mol;
  }
  {
    RWMol *patt, *mol;
    std::string sma;
    unsigned int count;

    sma = "C1~C~C~1";
    patt = SmartsToMol(sma);
    TEST_ASSERT(patt);
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 1));
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 1)->hasQuery());
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 1)->getQuery()->getDescription() ==
                "BondNull");
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 2));
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 2)->hasQuery());
    TEST_ASSERT(patt->getBondBetweenAtoms(0, 2)->getQuery()->getDescription() ==
                "BondNull");

    sma = "C1CC1";
    mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    std::vector<MatchVectType> mVV;
    count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 6);
    TEST_ASSERT(mVV.size() == 6);

    delete mol;
    sma = "C1C=C1";
    mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 6);
    TEST_ASSERT(mVV.size() == 6);

    delete patt;
    delete mol;
  }
  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testIssue3000399() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog)
      << "Testing Issue 3000399: incorrect behavior of X queries" << std::endl;

  {
    std::vector<MatchVectType> mVV;
    std::string sma = "[C;X4]";
    RWMol *patt = SmartsToMol(sma);
    TEST_ASSERT(patt);

    sma = "C(N1C)(CCC1)C";
    RWMol *mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    unsigned int count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 6);
    TEST_ASSERT(mVV.size() == 6);
    delete mol;

    sma = "[C@H](N1C)(CCC1)C";
    mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 6);
    TEST_ASSERT(mVV.size() == 6);
    delete mol;

    delete patt;
  }

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testRecursiveSerialNumbers() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing serial numbers in recursive SMARTS queries"
                       << std::endl;

  {
    std::vector<MatchVectType> mVV;
    std::string sma = "[$(CO)_1]O[$(CO)_1]";
    RWMol *patt = SmartsToMol(sma);
    TEST_ASSERT(patt);

    sma = "CCOCC";
    RWMol *mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    unsigned int count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 2);
    TEST_ASSERT(mVV.size() == 2);
    TEST_ASSERT(mVV[0].size() == 3);
    delete mol;

    delete patt;
  }

  {
    std::vector<MatchVectType> mVV;
    std::string sma = "[$(C(C)O)]O[$(C(C)O)]";
    RWMol *patt = SmartsToMol(sma);
    TEST_ASSERT(patt);

    sma = "CCOCC";
    RWMol *mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    unsigned int count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 2);
    TEST_ASSERT(mVV.size() == 2);
    TEST_ASSERT(mVV[0].size() == 3);
    delete mol;

    delete patt;
  }

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testReplacementPatterns() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing use of replacement patterns in input"
                       << std::endl;

  {
    std::vector<MatchVectType> mVV;
    std::string sma = "[{CO}]O[{CO}]";
    std::map<std::string, std::string> repls;
    repls["{CO}"] = "$(CO)";
    RWMol *patt = SmartsToMol(sma, 0, true, &repls);
    TEST_ASSERT(patt);

    sma = "CCOCC";
    RWMol *mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    unsigned int count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 2);
    TEST_ASSERT(mVV.size() == 2);
    TEST_ASSERT(mVV[0].size() == 3);
    delete mol;
    delete patt;
  }

  {
    std::vector<MatchVectType> mVV;
    std::string sma = "[{Q}]O[{Q}]";
    std::map<std::string, std::string> repls;
    repls["{Q}"] = "$(C(C)O)";
    RWMol *patt = SmartsToMol(sma, 0, true, &repls);
    TEST_ASSERT(patt);

    sma = "CCOCC";
    RWMol *mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    unsigned int count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 2);
    TEST_ASSERT(mVV.size() == 2);
    TEST_ASSERT(mVV[0].size() == 3);
    delete mol;
    delete patt;
  }

  {
    std::vector<MatchVectType> mVV;
    std::string sma = "[{MyC}]O";
    std::map<std::string, std::string> repls;
    repls["{CO}"] = "$(CO)";
    repls["{C.4}"] = "$([C;D4])";
    repls["{MyC}"] = "$([{C.4};{CO}])";
    RWMol *patt = SmartsToMol(sma, 0, true, &repls);
    TEST_ASSERT(patt);

    sma = "COC(C)(F)(Cl)";
    RWMol *mol = SmilesToMol(sma);
    TEST_ASSERT(mol);
    unsigned int count = SubstructMatch(*mol, *patt, mVV, false);
    TEST_ASSERT(count == 1);
    TEST_ASSERT(mVV.size() == 1);
    TEST_ASSERT(mVV[0].size() == 2);
    delete mol;
    delete patt;
  }

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testGithub313() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing github #313: problems with 'h' in SMARTS"
                       << std::endl;

  {
    // basics: does it parse correctly and generate the right results?
    _checkMatches("N[Ch]", "FC(Cl)Nc1ccccc1", 1, 2);
    _checkMatches("N[Ch1]", "CNC(F)c1ccccc1", 1, 2);
    _checkMatches("N[Ch]", "CNCc1ccccc1", 2, 2);
    _checkMatches("N[Ch]", "CNc1ccccc1", 1, 2);
    _checkNoMatches("N[Ch]", "FC(Cl)(O)Nc1ccccc1", false);
  }

  {
    // next: can we write it?
    std::string sma = "[h]";
    ROMol *matcher = SmartsToMol(sma);
    TEST_ASSERT(matcher);
    sma = MolToSmarts(*matcher);
    TEST_ASSERT(sma == "[h]");
    delete matcher;

    sma = "[h1]";
    matcher = SmartsToMol(sma);
    TEST_ASSERT(matcher);
    sma = MolToSmarts(*matcher);
    TEST_ASSERT(sma == "[h1]");
    delete matcher;
  }

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testGithub314() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing github #314: problems with 'x' in SMARTS"
                       << std::endl;

  {
    // basics: does it parse correctly and generate the right results?
    _checkMatches("[x]", "C1CC1", 3, 1);
    _checkNoMatches("[x]", "CCC");
    _checkMatches("[x2]", "C1CC1", 3, 1);
    _checkNoMatches("[x3]", "C1CC1");
    _checkNoMatches("[x3]", "CC1CC1");
  }

  {
    // next: can we write it?
    std::string sma = "[x]";
    ROMol *matcher = SmartsToMol(sma);
    TEST_ASSERT(matcher);
    sma = MolToSmarts(*matcher);
    TEST_ASSERT(sma == "[x]");
    delete matcher;

    sma = "[x1]";
    matcher = SmartsToMol(sma);
    TEST_ASSERT(matcher);
    sma = MolToSmarts(*matcher);
    TEST_ASSERT(sma == "[x1]");
    delete matcher;
  }

  BOOST_LOG(rdInfoLog) << "\tdone" << std::endl;
}

void testGithub378() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Github 378: SMILES parser doing the wrong "
                          "thing for odd dot-disconnected construct"
                       << std::endl;
  {
    RWMol *m;
    std::string smiles = "C1.C1CO1.N1";
    m = SmartsToMol(smiles);
    TEST_ASSERT(m);
    TEST_ASSERT(m->getBondBetweenAtoms(0, 1));
    TEST_ASSERT(m->getBondBetweenAtoms(3, 4));
    TEST_ASSERT(!m->getBondBetweenAtoms(1, 3));
    delete m;
  }
  {
    RWMol *m;
    std::string smiles = "C1(O.C1)CO1.N1";
    m = SmartsToMol(smiles);
    TEST_ASSERT(m);
    TEST_ASSERT(m->getBondBetweenAtoms(0, 2));
    TEST_ASSERT(m->getBondBetweenAtoms(0, 3));
    TEST_ASSERT(m->getBondBetweenAtoms(5, 4));
    TEST_ASSERT(!m->getBondBetweenAtoms(2, 3));
    delete m;
  }

  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub544() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog)
      << "Testing Github 544: merging query Hs failing on recursive SMARTS"
      << std::endl;
  {
    RWMol *p;
    std::string smiles = "O[H]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);

    smiles = "CO";
    RWMol *m = SmilesToMol(smiles);

    MatchVectType mV;
    TEST_ASSERT(!SubstructMatch(*m, *p, mV));
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(p->getNumAtoms() == 1);
    TEST_ASSERT(SubstructMatch(*m, *p, mV));

    delete p;
    delete m;
  }
  {
    RWMol *p;
    std::string smiles = "[O;$(O[H])]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);

    smiles = "CO";
    RWMol *m = SmilesToMol(smiles);

    MatchVectType mV;
    TEST_ASSERT(!SubstructMatch(*m, *p, mV));
    MolOps::mergeQueryHs(*p);

    TEST_ASSERT(SubstructMatch(*m, *p, mV));

    delete p;
    delete m;
  }
  {
    RWMol *p;
    std::string smiles = "[O;$(O[H])]";
    p = SmartsToMol(smiles, false, true);
    TEST_ASSERT(p);

    smiles = "CO";
    RWMol *m = SmilesToMol(smiles);

    MatchVectType mV;
    TEST_ASSERT(SubstructMatch(*m, *p, mV));

    delete p;
    delete m;
  }
  {
    RWMol *p;
    std::string smiles = "C[O;$([O;$(O[H])])]";  // test nesting
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);

    smiles = "CO";
    RWMol *m = SmilesToMol(smiles);

    MatchVectType mV;
    TEST_ASSERT(!SubstructMatch(*m, *p, mV));
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(SubstructMatch(*m, *p, mV));

    delete p;
    delete m;
  }
  {
    RWMol *p;
    std::string smiles = "[$([#6]-[#1])]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);

    smiles = "O=C=C=O";
    RWMol *m = SmilesToMol(smiles);

    MatchVectType mV;
    TEST_ASSERT(!SubstructMatch(*m, *p, mV));
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(!SubstructMatch(*m, *p, mV));

    delete m;
    delete p;
  }
  {
    RWMol *p;
    std::string smiles = "[$([#6]-[#1])]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);

    smiles = "O=CC=O";
    RWMol *m = SmilesToMol(smiles);

    MatchVectType mV;
    TEST_ASSERT(!SubstructMatch(*m, *p, mV));
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(SubstructMatch(*m, *p, mV));

    delete p;
    smiles = "[#6;$([#6]-[#1])]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);
    TEST_ASSERT(!SubstructMatch(*m, *p, mV));
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(SubstructMatch(*m, *p, mV));

    delete p;
    smiles = "[$([#6]-[#1]);#6]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);
    TEST_ASSERT(!SubstructMatch(*m, *p, mV));
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(SubstructMatch(*m, *p, mV));

    delete m;
    delete p;
  }

  {
    RWMol *p;
    std::string smiles = "C(-[!#1])-[!#1]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);
    TEST_ASSERT(p->getNumAtoms() == 3);
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(p->getNumAtoms() == 3);

    delete p;
  }

  {
    RWMol *p;
    std::string smiles = "[!#1]-[#1]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);
    TEST_ASSERT(p->getNumAtoms() == 2);
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(p->getNumAtoms() == 1);

    delete p;
  }

  {
    RWMol *p;
    std::string smiles = "[#6]-[#1,#6]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);
    TEST_ASSERT(p->getNumAtoms() == 2);
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(p->getNumAtoms() == 2);
    delete p;
  }
  {
    RWMol *p;
    std::string smiles = "[#6]-[#6,#1]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);
    TEST_ASSERT(p->getNumAtoms() == 2);
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(p->getNumAtoms() == 2);
    delete p;
  }
  {
    RWMol *p;
    std::string smiles = "[#6]-[#6;H1]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);
    TEST_ASSERT(p->getNumAtoms() == 2);
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(p->getNumAtoms() == 2);
    delete p;
  }

  // along the way there were some problems with merging in recursive subqueries
  // of ORs,
  // these next few test those.
  {
    RWMol *p;
    std::string smiles = "[$([#6]-[#7]),$([#6]-[#1])]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);
    TEST_ASSERT(p->getNumAtoms() == 1);
    TEST_ASSERT(p->getAtomWithIdx(0)->hasQuery());

    TEST_ASSERT(p->getNumAtoms() == 1);
    TEST_ASSERT(p->getAtomWithIdx(0)->hasQuery());
    smiles = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    TEST_ASSERT(smiles == "[$([#6]-[#7]),$([#6]-[#1])]");

    // std::cerr<<"--------------------------"<<std::endl;
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(p->getNumAtoms() == 1);
    TEST_ASSERT(p->getAtomWithIdx(0)->hasQuery());
    smiles = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    TEST_ASSERT(smiles == "[$([#6]-[#7]),$([#6&!H0])]");

    delete p;
  }
  {
    RWMol *p;
    std::string smiles = "[$([#6]-[#7]),$([#6]-[#1]),$([#6])]";
    p = SmartsToMol(smiles);
    TEST_ASSERT(p);
    TEST_ASSERT(p->getNumAtoms() == 1);
    TEST_ASSERT(p->getAtomWithIdx(0)->hasQuery());

    TEST_ASSERT(p->getNumAtoms() == 1);
    TEST_ASSERT(p->getAtomWithIdx(0)->hasQuery());
    smiles = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    // std::cerr<<smiles<<std::endl;
    TEST_ASSERT(smiles == "[$([#6]-[#7]),$([#6]-[#1]),$([#6])]");

    // std::cerr<<"--------------------------"<<std::endl;
    MolOps::mergeQueryHs(*p);
    TEST_ASSERT(p->getNumAtoms() == 1);
    TEST_ASSERT(p->getAtomWithIdx(0)->hasQuery());
    smiles = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    // std::cerr<<smiles<<std::endl;
    TEST_ASSERT(smiles == "[$([#6]-[#7]),$([#6&!H0]),$([#6])]");

    delete p;
  }

  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub766() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Github 766: AnyBond specification treated "
                          "as single when joining rings in SMARTS"
                       << std::endl;
  {
    RWMol *p;
    std::string sma = "C~1~C~C~1";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    for (RWMol::BondIterator cbi = p->beginBonds(); cbi != p->endBonds();
         ++cbi) {
      TEST_ASSERT((*cbi)->getBondType() == Bond::UNSPECIFIED);
    }
    delete p;
  }
  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub893() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Github 893: invalid handling of negation of "
                          "aromaticity when writing SMARTS"
                       << std::endl;
  {
    RWMol *p;
    std::string sma = "[#6&!a]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    std::string nsma = MolToSmarts(*p);
    TEST_ASSERT(nsma == "[#6&!a]")
    delete p;
    sma = "[!a&#6]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    nsma = MolToSmarts(*p);
    TEST_ASSERT(nsma == "[!a&#6]")
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[#6&!A]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    std::string nsma = MolToSmarts(*p);
    TEST_ASSERT(nsma == "[#6&!A]")
    delete p;
    sma = "[!A&#6]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    nsma = MolToSmarts(*p);
    TEST_ASSERT(nsma == "[!A&#6]")
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[!#6&!a]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    std::string nsma = MolToSmarts(*p);
    TEST_ASSERT(nsma == "[!#6&!a]")
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[!#6&a]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    std::string nsma = MolToSmarts(*p);
    TEST_ASSERT(nsma == "[!#6&a]")
    delete p;
    sma = "[!#6;a]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    nsma = MolToSmarts(*p);
    TEST_ASSERT(nsma == "[!#6&a]")
    delete p;
  }
  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub1338() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog)
      << "Testing Github 1338: SMARTS proton query parsed incorrectly"
      << std::endl;
  {  // this worked all along
    RWMol *p;
    std::string sma = "[#1+]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    TEST_ASSERT(p->getAtomWithIdx(0)->getAtomicNum() == 1);
    delete p;
  }
  {  // make sure we aren't breaking anything else
    RWMol *p;
    std::string sma = "[H2]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    TEST_ASSERT(p->getAtomWithIdx(0)->getAtomicNum() == 0);
    delete p;
  }
  {  // this was the problem
    RWMol *p;
    std::string sma = "[H+]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);

    TEST_ASSERT(p->getAtomWithIdx(0)->getAtomicNum() == 1);
    delete p;
  }
  {  // this was the problem
    RWMol *p;
    std::string sma = "[H]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);

    TEST_ASSERT(p->getAtomWithIdx(0)->getAtomicNum() == 1);
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[2H]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);

    TEST_ASSERT(p->getAtomWithIdx(0)->getAtomicNum() == 1);
    TEST_ASSERT(p->getAtomWithIdx(0)->getIsotope() == 2);
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[2H+]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);

    TEST_ASSERT(p->getAtomWithIdx(0)->getAtomicNum() == 1);
    TEST_ASSERT(p->getAtomWithIdx(0)->getIsotope() == 2);
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[2H:3]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);

    TEST_ASSERT(p->getAtomWithIdx(0)->getAtomicNum() == 1);
    TEST_ASSERT(p->getAtomWithIdx(0)->getIsotope() == 2);
    TEST_ASSERT(
        p->getAtomWithIdx(0)->hasProp(common_properties::molAtomMapNumber));
    TEST_ASSERT(p->getAtomWithIdx(0)->getProp<int>(
                    common_properties::molAtomMapNumber) == 3);
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[H:3]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);

    TEST_ASSERT(p->getAtomWithIdx(0)->getAtomicNum() == 1);
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[H+:3]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);

    TEST_ASSERT(p->getAtomWithIdx(0)->getAtomicNum() == 1);
    delete p;
  }

  // -- a series around Hs following other symbols:
  {
    RWMol *p;
    std::string sma = "[NH1+]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    std::string asma = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    // std::cerr << "  SMA: " << asma << std::endl;
    TEST_ASSERT(asma == "[N&H1&+]");
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[N;H+]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    std::string asma = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    // std::cerr << "  SMA: " << asma << std::endl;
    TEST_ASSERT(asma == "[N&H1&+]");
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[N;H]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    std::string asma = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    // std::cerr << "  SMA: " << asma << std::endl;
    TEST_ASSERT(asma == "[N&H1]");
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[NH+]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    std::string asma = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    // std::cerr << "  SMA: " << asma << std::endl;
    TEST_ASSERT(asma == "[N&H1&+]");
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[NH]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    std::string asma = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    // std::cerr << "  SMA: " << asma << std::endl;
    TEST_ASSERT(asma == "[N&H1]");
    delete p;
  }
  {
    RWMol *p;
    std::string sma = "[N;2H+]";
    p = SmartsToMol(sma);
    TEST_ASSERT(p);
    std::string asma = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    // std::cerr << "  SMA: " << asma << std::endl;
    TEST_ASSERT(asma == "[N&2*&H1&+]");
    delete p;
  }
  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub1472() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Github 1472: MolToSmarts does not include "
                          "atom map info for molecules built from SMILES"
                       << std::endl;
  {  // worked all along
    ROMol *p;
    std::string smi = "[*:1]";
    p = SmartsToMol(smi);
    TEST_ASSERT(p);
    std::string asma = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    TEST_ASSERT(asma == "[*:1]");

    delete p;
  }
  {  // this was the problem
    ROMol *p;
    std::string smi = "[*:1]";
    p = SmilesToMol(smi);
    TEST_ASSERT(p);
    std::string asma = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    TEST_ASSERT(asma == "[*:1]");

    delete p;
  }
  {  // isotopes also weren't being written
    ROMol *p;
    std::string smi = "[3*]";
    p = SmilesToMol(smi);
    TEST_ASSERT(p);
    std::string asma = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    TEST_ASSERT(asma == "[3*]");

    delete p;
  }
  {  // confirm ordering
    ROMol *p;
    std::string smi = "[13CH3-:1]";
    p = SmilesToMol(smi);
    TEST_ASSERT(p);
    std::string asma = SmartsWrite::GetAtomSmarts(
        static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
    TEST_ASSERT(asma == "[13#6H3-:1]");

    delete p;
  }
  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testCactvsExtensions() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing cactvs SMARTS extensions" << std::endl;
  {
    ROMol *m = SmilesToMol("COC(C)N");
    TEST_ASSERT(m);
    {
      ROMol *p = SmartsToMol("[z2]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[z2]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 1);
      TEST_ASSERT(mVV[0].size() == 1);
      TEST_ASSERT(mVV[0][0].second == 2);

      delete p;
    }
    {
      ROMol *p = SmartsToMol("[z]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[z]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 2);
      TEST_ASSERT(mVV[0].size() == 1);
      TEST_ASSERT(mVV[0][0].second == 0);
      TEST_ASSERT(mVV[1][0].second == 2);

      delete p;
    }
    {
      ROMol *p = SmartsToMol("[z{1-2}]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[z{1-2}]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 2);
      TEST_ASSERT(mVV[0].size() == 1);
      TEST_ASSERT(mVV[0][0].second == 0);
      TEST_ASSERT(mVV[1][0].second == 2);

      delete p;
    }
    {
      ROMol *p = SmartsToMol("[z{2-}]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[z{2-}]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 1);
      TEST_ASSERT(mVV[0].size() == 1);
      TEST_ASSERT(mVV[0][0].second == 2);

      delete p;
    }
    {
      ROMol *p = SmartsToMol("[D{2-3}]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[D{2-3}]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 2);
      TEST_ASSERT(mVV[0].size() == 1);
      TEST_ASSERT(mVV[0][0].second == 1);
      TEST_ASSERT(mVV[1][0].second == 2);

      delete p;
    }
    {
      ROMol *p = SmartsToMol("[D{2-}]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[D{2-}]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 2);
      TEST_ASSERT(mVV[0].size() == 1);
      TEST_ASSERT(mVV[0][0].second == 1);
      TEST_ASSERT(mVV[1][0].second == 2);

      delete p;
    }
    {
      ROMol *p = SmartsToMol("[D{-2}]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[D{-2}]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 4);
      TEST_ASSERT(mVV[0].size() == 1);
      TEST_ASSERT(mVV[0][0].second == 0);
      TEST_ASSERT(mVV[1][0].second == 1);
      TEST_ASSERT(mVV[2][0].second == 3);
      TEST_ASSERT(mVV[3][0].second == 4);

      delete p;
    }

    delete m;
  }  // end of COC(C)N examples

  {
    ROMol *m = SmilesToMol("C1C2CCCC12");
    TEST_ASSERT(m);
    {
      ROMol *p = SmartsToMol("[r{3-5}]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[r{3-5}]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 6);

      delete p;
    }
    {
      ROMol *p = SmartsToMol("[r{4-5}]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[r{4-5}]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 3);

      delete p;
    }
    {
      ROMol *p = SmartsToMol("[r{3-}]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[r{3-}]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 6);

      delete p;
    }
    {
      ROMol *p = SmartsToMol("[r{-5}]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[r{-5}]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 6);

      delete p;
    }
    delete m;
  }  // end of C1C2CCCC12 examples

  {
    ROMol *m = SmilesToMol("NCOc1ncccc1");
    TEST_ASSERT(m);
    {
      ROMol *p = SmartsToMol("[Z2]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[Z2]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 1);
      TEST_ASSERT(mVV[0].size() == 1);
      TEST_ASSERT(mVV[0][0].second == 1);

      delete p;
    }
    {
      ROMol *p = SmartsToMol("[Z]");
      TEST_ASSERT(p);
      std::string asma = SmartsWrite::GetAtomSmarts(
          static_cast<QueryAtom *>(p->getAtomWithIdx(0)));
      TEST_ASSERT(asma == "[Z]");

      std::vector<MatchVectType> mVV;
      int matchCount = SubstructMatch(*m, *p, mVV);
      TEST_ASSERT(matchCount == 2);
      TEST_ASSERT(mVV[0].size() == 1);
      TEST_ASSERT(mVV[0][0].second == 1);
      TEST_ASSERT(mVV[1][0].second == 3);

      delete p;
    }
    delete m;
  }  // end of NCOc1ncccc1 examples
  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testChargesAndIsotopes() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog)
      << "Testing transfer of charge and isotope query info to the atoms"
      << std::endl;
  {
    std::unique_ptr<ROMol> p(SmartsToMol("[14N@H+]"));  //, true));
    TEST_ASSERT(p);
    TEST_ASSERT(p->getAtomWithIdx(0)->getIsotope() == 14);
    TEST_ASSERT(p->getAtomWithIdx(0)->getNumExplicitHs() == 1);
    TEST_ASSERT(p->getAtomWithIdx(0)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(0)->getChiralTag() ==
                Atom::CHI_TETRAHEDRAL_CCW);
  }
  {
    std::unique_ptr<ROMol> p(SmartsToMol("[!12C+]"));  //, true));
    TEST_ASSERT(p);
    TEST_ASSERT(p->getAtomWithIdx(0)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(0)->getFormalCharge() == 1);
  }
  {
    std::unique_ptr<ROMol> p(
        SmartsToMol("[12C][12#6][12C+][12C+1][C+][C+1][12][+][C][#6][12CH2]["
                    "12CH3+][CH4+][14N@H+]"));
    TEST_ASSERT(p);
    TEST_ASSERT(p->getAtomWithIdx(0)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(1)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(2)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(3)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(4)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(5)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(6)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(7)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(8)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(9)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(10)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(11)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(12)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(13)->getFormalCharge() == 1);

    TEST_ASSERT(p->getAtomWithIdx(0)->getIsotope() == 12);
    TEST_ASSERT(p->getAtomWithIdx(1)->getIsotope() == 12);
    TEST_ASSERT(p->getAtomWithIdx(2)->getIsotope() == 12);
    TEST_ASSERT(p->getAtomWithIdx(3)->getIsotope() == 12);
    TEST_ASSERT(p->getAtomWithIdx(4)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(5)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(6)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(7)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(8)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(9)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(10)->getIsotope() == 12);
    TEST_ASSERT(p->getAtomWithIdx(11)->getIsotope() == 12);
    TEST_ASSERT(p->getAtomWithIdx(12)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(13)->getIsotope() == 14);

    TEST_ASSERT(p->getAtomWithIdx(9)->getNumExplicitHs() == 0);
    TEST_ASSERT(p->getAtomWithIdx(10)->getNumExplicitHs() == 2);
    TEST_ASSERT(p->getAtomWithIdx(11)->getNumExplicitHs() == 3);
    TEST_ASSERT(p->getAtomWithIdx(12)->getNumExplicitHs() == 4);
    TEST_ASSERT(p->getAtomWithIdx(13)->getNumExplicitHs() == 1);

    TEST_ASSERT(p->getAtomWithIdx(13)->getChiralTag() ==
                Atom::CHI_TETRAHEDRAL_CCW);

    std::string pkl;
    MolPickler::pickleMol(*p, pkl);
    p.reset(new Mol(pkl));
    TEST_ASSERT(p);
    TEST_ASSERT(p->getAtomWithIdx(0)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(1)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(2)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(3)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(4)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(5)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(6)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(7)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(8)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(9)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(10)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(11)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(12)->getFormalCharge() == 1);
    TEST_ASSERT(p->getAtomWithIdx(13)->getFormalCharge() == 1);

    TEST_ASSERT(p->getAtomWithIdx(0)->getIsotope() == 12);
    TEST_ASSERT(p->getAtomWithIdx(1)->getIsotope() == 12);
    TEST_ASSERT(p->getAtomWithIdx(2)->getIsotope() == 12);
    TEST_ASSERT(p->getAtomWithIdx(3)->getIsotope() == 12);
    TEST_ASSERT(p->getAtomWithIdx(4)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(5)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(6)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(7)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(8)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(9)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(10)->getIsotope() == 12);
    TEST_ASSERT(p->getAtomWithIdx(11)->getIsotope() == 12);
    TEST_ASSERT(p->getAtomWithIdx(12)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(13)->getIsotope() == 14);

    // p->debugMol(std::cerr);
    TEST_ASSERT(p->getAtomWithIdx(9)->getNumExplicitHs() == 0);
    TEST_ASSERT(p->getAtomWithIdx(10)->getNumExplicitHs() == 2);
    TEST_ASSERT(p->getAtomWithIdx(11)->getNumExplicitHs() == 3);
    TEST_ASSERT(p->getAtomWithIdx(12)->getNumExplicitHs() == 4);
    TEST_ASSERT(p->getAtomWithIdx(13)->getNumExplicitHs() == 1);

    TEST_ASSERT(p->getAtomWithIdx(13)->getChiralTag() ==
                Atom::CHI_TETRAHEDRAL_CCW);
  }

  {  // make sure it gets cleared with more complex queries
    std::unique_ptr<ROMol> p(SmartsToMol(
        "[12CH3,C][C,12C][12C;+][12C&+][C+,C][C,C+][C+&H][C+;H][!12CH+]"));
    TEST_ASSERT(p);
    TEST_ASSERT(p->getAtomWithIdx(0)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(1)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(2)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(3)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(8)->getIsotope() == 0);
    TEST_ASSERT(p->getAtomWithIdx(4)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(5)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(6)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(7)->getFormalCharge() == 0);
    TEST_ASSERT(p->getAtomWithIdx(8)->getFormalCharge() == 1);

    TEST_ASSERT(p->getAtomWithIdx(0)->getNumExplicitHs() == 0);
    TEST_ASSERT(p->getAtomWithIdx(8)->getNumExplicitHs() == 1);
  }
  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub1756() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Github #1756: Generated SMARTS does not "
                          "contain atomic chiral tags"
                       << std::endl;
  {
    std::unique_ptr<ROMol> m(SmilesToMol("C[C@](Cl)(Br)F"));
    TEST_ASSERT(m);
    auto sma = MolToSmarts(*m);
    // std::cerr << sma << std::endl;
    TEST_ASSERT(sma == "[#6]-[#6@](-[#17])(-[#35])-[#9]");
  }
  {
    std::unique_ptr<ROMol> m(SmartsToMol("C-[C@H0](-Cl)-F"));
    TEST_ASSERT(m);
    m->updatePropertyCache(false);
    auto sma = MolToSmarts(*m);
    // std::cerr << sma << std::endl;
    TEST_ASSERT(sma == "C-[C@&H0](-Cl)-F");  // FIX: this seems odd...
  }
  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub1719() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Github #1719: SMARTS parse failure for some "
                          "queries involving Hs"
                       << std::endl;
  _checkMatches("[2H]", "C[2H]", 1, 1);
  _checkNoMatches("[2H,12C]", "C[2H]");
  _checkNoMatches("[2H,12C]", "C[2Li]");
  _checkMatches("[2H,12C]", "[2LiH]", 1, 1);
  _checkNoMatches("[2H,12C]", "[2LiH2-]");
  _checkNoMatches("[2H,12C]", "[2MgH2]");

  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub1920() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Github #1920: Negated atom number queries "
                          "in SMARTS should not set atomic number of query atom"
                       << std::endl;
  std::unique_ptr<ROMol> m(SmartsToMol("[#6][#6;!#1][!#6][!#6;H1]"));
  TEST_ASSERT(m);
  TEST_ASSERT(m->getAtomWithIdx(0)->getAtomicNum() == 6);
  TEST_ASSERT(m->getAtomWithIdx(1)->getAtomicNum() == 6);
  TEST_ASSERT(m->getAtomWithIdx(2)->getAtomicNum() == 0);
  TEST_ASSERT(m->getAtomWithIdx(3)->getAtomicNum() == 0);
  _checkMatches("[!#6;!#1]", "CO", 1, 1);
  _checkNoMatches("[!#6;!#1]", "CC");
  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testCombinedQueries() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing combined SMARTS queries for atoms and bonds"
                       << std::endl;
  std::unique_ptr<ROMol> m(SmartsToMol("Oc1ccccc1"));
  TEST_ASSERT(m);
  std::string sma = MolToSmarts(*m);
  // std::cerr << " SMA: " << sma << std::endl;
  TEST_ASSERT(sma == "Oc1ccccc1");
  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub1906() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog)
      << "Testing github #1906: Bond stereo information not output to SMARTS"
      << std::endl;
  {
    std::unique_ptr<ROMol> m(SmartsToMol("C/C=C/C"));
    TEST_ASSERT(m);
    std::string sma = MolToSmarts(*m);
    TEST_ASSERT(sma == "C/C=C/C");
  }
  {
    std::unique_ptr<ROMol> m(SmilesToMol("C/C=C\\C"));
    TEST_ASSERT(m);
    std::string sma = MolToSmarts(*m);
    TEST_ASSERT(sma == "[#6]/[#6]=[#6]\\[#6]");
  }
  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub1988() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing github #1988: QueryAtoms with atom list "
                          "queries should not have the atomic number set"
                       << std::endl;
  {
    std::unique_ptr<ROMol> m(SmartsToMol("[Li,Na]"));
    TEST_ASSERT(m->getAtomWithIdx(0)->getAtomicNum() == 0);
  }
  // {
  //   std::unique_ptr<ROMol> m(SmartsToMol("C-,=C`"));
  //   TEST_ASSERT(m->getBondWithIdx(0)->getBondType()==Bond::UNSPECIFIED);
  // }
  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub1985() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Github #1985: MolFromSmarts/MolToSmarts "
                          "fails to round trip on patterns with chirality"
                       << std::endl;
  {
    std::vector<std::string> smarts = {
        "[C@]",
        "[C:1]([C@:3]1([OH:24])[CH2:8][CH2:7][C@H:6]2[C@H:9]3[C@H:19]([C@@H:20]"
        "([F:22])[CH2:21][C@:4]12[CH3:5])[C@:17]1([CH3:18])[C:12](=[CH:13][C:"
        "14](=[O:23])[CH2:15][CH2:16]1)[CH:11]=[CH:10]3)#[CH:2]"};
    for (const auto &pr : smarts) {
      std::unique_ptr<ROMol> m1(SmartsToMol(pr));
      TEST_ASSERT(m1);
      auto csma1 = MolToSmarts(*m1);
      TEST_ASSERT(csma1.find("C@") != std::string::npos);
    }
  }

  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub2142() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog) << "Testing Github #2142: SMARTS roundtrip failure"
                       << std::endl;
  // make sure we actually do throw in the problematic case:
  {
    std::string sma1 = "[C,N;a]";
    std::unique_ptr<ROMol> m1(SmartsToMol(sma1));
    TEST_ASSERT(m1);
    std::string sma2 = "[C]";
    std::unique_ptr<ROMol> m2(SmartsToMol(sma2));
    TEST_ASSERT(m2);
    auto *qa = static_cast<QueryAtom *>(m2->getAtomWithIdx(0));
    const auto q1 = static_cast<QueryAtom *>(m1->getAtomWithIdx(0))->getQuery();
    qa->expandQuery(q1->copy(), Queries::COMPOSITE_OR);
    bool ok = true;
    try {
      auto csma2 = MolToSmarts(*m2);
      ok = false;
    } catch (const ValueErrorException &) {
    }
    TEST_ASSERT(ok);
  }
  {  // the original problem report
    std::string smarts = "[C;H1&$(C([#6])[#6]),H2&$(C[#6])]";
    std::unique_ptr<ROMol> m1(SmartsToMol(smarts));
    TEST_ASSERT(m1);
    auto csma1 = MolToSmarts(*m1);
    TEST_ASSERT(csma1 == "[C;H1&$(C([#6])[#6]),H2&$(C[#6])]");
  }

  {  // a second one from the issue
    std::string smarts = "[N;$(NC),H2&$(NC[C,N])]";
    std::unique_ptr<ROMol> m1(SmartsToMol(smarts));
    TEST_ASSERT(m1);
    auto csma1 = MolToSmarts(*m1);
    TEST_ASSERT(csma1 == "[N;$(NC),H2&$(NC[C,N])]");
  }

  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub2565() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog)
      << "Testing Github #2565: Chirality reversed on SMARTS generation."
      << std::endl;

  std::vector<std::string> smiles(
      {R"(O=C1C[C@]([H])1F)", R"(Cl[C@@H]1CCC1=O)",
       R"(N1CCN=C1[C@H]1CCCc2ccccc21)", R"(C[C@@H](Cl)[C@H]1CC[C@@H](Cl)CC1)",
       R"(Fc1cn([C@@H]2CCCO2)c(=O)[nH]c1=O)",
       R"([C@@]1(C)(C(C)(C)C)O[C@@H](CN)[C@H](C[NH3+])O1)",

       // these are Ok
       R"(O=C1C[C@](Cl)1F)", R"(Br[C@@H](Cl)F)"});

  for (const auto &smi : smiles) {
    const std::unique_ptr<ROMol> mol(SmilesToMol(smi));
    const std::string smarts = MolToSmarts(*mol, true);
    const std::unique_ptr<ROMol> query(SmartsToMol(smarts));

    bool uniquify = true;
    bool recursionPossible = true;
    bool useChirality = true;
    std::vector<MatchVectType> matches;
    TEST_ASSERT(SubstructMatch(*mol, *query, matches, uniquify,
                               recursionPossible, useChirality));
  }

  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testSmartsStereoBonds() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog)
      << "Testing stereo bond labels in mols parsed from SMARTS" << std::endl;
  {
    const auto mol = R"(C/C=C/C)"_smarts;
    const Bond *bnd = mol->getBondWithIdx(1);
    TEST_ASSERT(bnd->getStereoAtoms() == INT_VECT({0, 3}));
    TEST_ASSERT(bnd->getStereo() == Bond::STEREOTRANS);
  }
  {
    const auto mol = R"(C/C(F)=C(Cl)\C)"_smarts;
    const Bond *bnd = mol->getBondWithIdx(2);
    TEST_ASSERT(bnd->getStereoAtoms() == INT_VECT({0, 5}));
    TEST_ASSERT(bnd->getStereo() == Bond::STEREOCIS);
  }
  {
    const auto mol = R"(F/C=C/C=C/C)"_smarts;
    {
      const Bond *bnd = mol->getBondWithIdx(1);
      TEST_ASSERT(bnd->getStereoAtoms() == INT_VECT({0, 3}));
      TEST_ASSERT(bnd->getStereo() == Bond::STEREOTRANS);
    }
    {
      const Bond *bnd = mol->getBondWithIdx(3);
      TEST_ASSERT(bnd->getStereoAtoms() == INT_VECT({2, 5}));
      TEST_ASSERT(bnd->getStereo() == Bond::STEREOTRANS);
    }
  }
  {
    const auto mol = R"(F\C=C/C=C/C)"_smarts;
    {
      const Bond *bnd = mol->getBondWithIdx(1);
      TEST_ASSERT(bnd->getStereoAtoms() == INT_VECT({0, 3}));
      TEST_ASSERT(bnd->getStereo() == Bond::STEREOCIS);
    }
    {
      const Bond *bnd = mol->getBondWithIdx(3);
      TEST_ASSERT(bnd->getStereoAtoms() == INT_VECT({2, 5}));
      TEST_ASSERT(bnd->getStereo() == Bond::STEREOTRANS);
    }
  }
  {
    const auto mol = R"(F\C=C\C=C/C)"_smarts;
    {
      const Bond *bnd = mol->getBondWithIdx(1);
      TEST_ASSERT(bnd->getStereoAtoms() == INT_VECT({0, 3}));
      TEST_ASSERT(bnd->getStereo() == Bond::STEREOTRANS);
    }
    {
      const Bond *bnd = mol->getBondWithIdx(3);
      TEST_ASSERT(bnd->getStereoAtoms() == INT_VECT({2, 5}));
      TEST_ASSERT(bnd->getStereo() == Bond::STEREOCIS);
    }
  }
  {
    const auto mol = R"(F/C=C/C=CC)"_smarts;
    {
      const Bond *bnd = mol->getBondWithIdx(1);
      TEST_ASSERT(bnd->getStereoAtoms() == INT_VECT({0, 3}));
      TEST_ASSERT(bnd->getStereo() == Bond::STEREOTRANS);
    }
    {
      const Bond *bnd = mol->getBondWithIdx(3);
      TEST_ASSERT(bnd->getStereo() == Bond::STEREONONE);
    }
  }
  {
    // A weird way of writing C/C=C/O:
    const auto mol = R"([#6](=[#6]/[#8])\[#6])"_smarts;
    const Bond *bnd = mol->getBondWithIdx(0);

    TEST_ASSERT(bnd->getStereoAtoms() == INT_VECT({3, 2}));
    TEST_ASSERT(bnd->getStereo() == Bond::STEREOTRANS);
  }

  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testRingBondCrash() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog)
      << "Testing a crash arising from negated ring bond queries" << std::endl;
  {
    auto m2 = "CC"_smiles;
    auto q = "[C]@[Cl]"_smarts;
    auto matches0 = SubstructMatch(*m2, *q);
  }

  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

void testGithub6730() {
  BOOST_LOG(rdInfoLog) << "-------------------------------------" << std::endl;
  BOOST_LOG(rdInfoLog)
      << "Testing stereo inverts on first atom of SMARTS" << std::endl;
  {
    auto input    = "[C@H](F)(Cl)O"_smarts;
    auto expected = "F[C@@&H1](Cl)O";
    auto actual   = MolToSmarts(*input,true,1); // doChiral,root=F(1)
    TEST_ASSERT(expected == actual);    
  }

  BOOST_LOG(rdInfoLog) << "done" << std::endl;
}

int main(int argc, char *argv[]) {
  (void)argc;
  (void)argv;
  RDLog::InitLogs();
#if 1
  testPass();
  testFail();
  testMatches();
  testMatches2();
  testMatches3();
  testMatches4();
  testMatches5();
  testMatches6();
  testSmartsWrite();
  testFrags();
  testProblems();
  testIssue196();
  testIssue254();
  // testIssue255(); // this is a slow one and doesn't really actually test much
  // without someone watching memory consumption
  testIssue330();
  testIssue351();
  testAtomMap();
  testSmartsSmiles();
  testSmilesSmarts();
  testIssue1914154();
  testMiscSmartsWriting();
  testIssue1804420();
  testSmartsStereochem();
  testIssue2884178_part1();
  testIssue2884178_part2();
  testIssue3000399();
  testRecursiveSerialNumbers();
  testReplacementPatterns();
  testGithub313();
  testGithub314();
  testGithub378();
  testGithub544();
  testGithub766();
  testGithub893();
  testTransuranic();
  testGithub1338();
  testCactvsExtensions();
  testChargesAndIsotopes();
  testGithub1756();
  testGithub1920();
  testGithub1719();
  testCombinedQueries();
  testGithub1906();
  testGithub1988();
  testGithub1985();
  testGithub2142();
  testGithub2565();
  testSmartsStereoBonds();
  testGithub6730();
#endif
  testRingBondCrash();
  return 0;
}
