// FileName_t.cxx

#include "dataset_util/FileName.h"
#include <iostream>

using std::string;
using std::cout;
using std::endl;

bool check_link(string lname, string uname) {
  cout << "--- Check link" << endl;
  FileName fname(lname);
  FileName ufname = fname.unlinked();
  cout << uname << endl;
  cout << ufname << endl;
  return ufname.name() == uname;
}

int FileName_t() {
  cout << "--- Create names" << endl;
  string f0;
  string f1 = "test1.dat";
  string f2 = "mydir/test2.dat";
  string f3 = "/usr/bin/ls";
  cout << f0 << endl;
  cout << f1 << endl;
  cout << f2 << endl;
  cout << f3 << endl;
  cout << "--- Create FileName objects" << endl;
  FileName fn0(f0);
  FileName fn1(f1);
  FileName fn2(f2);
  FileName fn3(f3);
  cout << fn0 << endl;
  cout << fn1 << endl;
  cout << fn2 << endl;
  cout << fn3 << endl;
  cout << "--- Check validity" << endl;
  assert( ! fn0.is_valid() );
  assert( fn1.is_valid() );
  assert( fn2.is_valid() );
  assert( fn3.is_valid() );
  cout << "--- Check full path status" << endl;
  assert( ! fn0.is_fullpath() );
  assert( ! fn1.is_fullpath() );
  assert( ! fn2.is_fullpath() );
  assert( fn3.is_fullpath() );
  cout << "--- Check relative path status" << endl;
  assert( ! fn0.is_relative() );
  assert( fn1.is_relative() );
  assert( fn2.is_relative() );
  assert( ! fn3.is_relative() );
  cout << "--- Check name" << endl;
  assert( fn0.name() == f0 );
  assert( fn1.name() == f1 );
  assert( fn2.name() == f2 );
  assert( fn3.name() == f3 );
  cout << "--- Check full path" << endl;
  assert( fn0.fullpath().name() == "" );
  assert( fn1.fullpath().name().size() > fn1.name().size() );
  assert( fn2.fullpath().name().size() > fn2.name().size() );
  assert( fn3.fullpath().name() == fn3.name() );
  assert( fn3.fullpath_name() == fn3.name() );
  cout << "--- Check nopath" << endl;
  assert( fn0.nopath_name() == "" );
  assert( fn1.nopath_name() == "test1.dat" );
  assert( fn2.nopath_name() == "test2.dat" );
  assert( fn3.nopath_name() == "ls" );
  cout << "--- Check directory" << endl;
  assert( fn0.directory_name() == "" );
  assert( fn1.directory_name() == "" );
  assert( fn2.directory_name() == "mydir" );
  assert( fn3.directory_name() == "/usr/bin" );
  cout << "--- Create links" << endl;
  system("rm -rf adir");
  system("mkdir -p adir/bdir/cdir");
  system("cd adir; ln -s bdir b1");
  system("cd adir/bdir; ln -s cdir c1");
  system("cd adir/bdir/cdir; touch d0; ln -s d0 d1");
  assert( check_link("/usr", "/usr") );
  assert( check_link("adir", "adir") );
  assert( check_link("adir/b1", "adir/bdir") );
  assert( ! check_link("adir/bdir", "adir/b1") );
  assert( check_link("adir/bdir/c2", "adir/bdir/c2") );
  assert( check_link("adir/b1/c2", "adir/bdir/c2") );
  assert( check_link("adir/bdir/cdir", "adir/bdir/cdir") );
  assert( check_link("adir/bdir/c1", "adir/bdir/cdir") );
  assert( check_link("adir/b1/c1", "adir/bdir/cdir") );
  return 0;
}

#ifdef CTEST_MAIN
int main() {
  return FileName_t();
}
#endif