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#include "obtest.h"
#include <openbabel/mol.h>
#include <openbabel/obconversion.h>
#include <iostream>
#include <vector>
#include <algorithm>
using std::cout;
using std::endl;
using namespace OpenBabel;
int canonstabletest(int argc, char *argv[])
{
// Define location of file formats for testing
#ifdef FORMATDIR
char env[BUFF_SIZE];
snprintf(env, BUFF_SIZE, "BABEL_LIBDIR=%s", FORMATDIR);
putenv(env);
#endif
std::ifstream ifs(OBTestUtil::GetFilename("canonstable.can").c_str());
OB_REQUIRE( ifs );
OBMol mol;
OBConversion conv;
conv.SetInFormat("smi");
conv.SetOutFormat("can");
std::string line;
while (std::getline(ifs, line)) {
OB_REQUIRE( conv.ReadString(&mol, line.c_str()) );
std::vector<OBAtom*> atoms;
FOR_ATOMS_OF_MOL(atom, mol)
atoms.push_back(&*atom);
for (int i = 0; i < 5; ++i) {
// shuffle the atoms
std::random_shuffle(atoms.begin(), atoms.end());
mol.RenumberAtoms(atoms);
// get can smiles
mol.SetTitle("");
std::string cansmi = conv.WriteString(&mol, true);
// comapare with ref
if (cansmi != line) {
cout << "ref = " << line << endl;
cout << "can = " << cansmi << endl;
OB_ASSERT( cansmi == line );
}
}
}
return 0;
}
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