gdb/unittests/basic_string_view/operations/find/char/3.cc

// { dg-options "-std=gnu++17" }

// Copyright (C) 2013-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library 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; either version 3, or (at your option)
// any later version.

// This library 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 library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

// basic_string_view find_first_not_of

namespace operations_find_3 {

static void
test03 ()
{
  typedef gdb::string_view::size_type csize_type;
  csize_type npos = gdb::string_view::npos;
  csize_type csz01;

  const gdb::string_view str01("Bob Rock, per me");
  const char str_lit01[] = "Bob Rock";
  gdb::string_view str02("ovvero Trivi");
  gdb::string_view str03(str_lit01);
  gdb::string_view str04;

  // size_type find_first_not_of(const string_view&, size_type pos = 0) const;
  csz01 = str01.find_first_not_of(str01);
  VERIFY( csz01 == npos );
  csz01 = str01.find_first_not_of(str02, 0);
  VERIFY( csz01 == 0 );
  csz01 = str01.find_first_not_of(str02, 10);
  VERIFY( csz01 == 10 );
  csz01 = str01.find_first_not_of(str02, 12);
  VERIFY( csz01 == 14 );
  csz01 = str01.find_first_not_of(str03, 0);
  VERIFY( csz01 == 8 );
  csz01 = str01.find_first_not_of(str03, 15);
  VERIFY( csz01 == 15 );
  csz01 = str01.find_first_not_of(str03, 16);
  VERIFY( csz01 == npos );
  csz01 = str01.find_first_not_of(str04, 0);
  VERIFY( csz01 == 0 );
  csz01 = str01.find_first_not_of(str04, 12);
  VERIFY( csz01 == 12 );
  csz01 = str03.find_first_not_of(str01, 0);
  VERIFY( csz01 == npos );
  csz01 = str04.find_first_not_of(str02, 0);
  VERIFY( csz01 == npos );

  // size_type find_first_not_of(const char* s, size_type pos, size_type n) const;
  csz01 = str01.find_first_not_of(str_lit01, 0, 0);
  VERIFY( csz01 == 0 );
  csz01 = str01.find_first_not_of(str_lit01, 0, 8);
  VERIFY( csz01 == 8 );
  csz01 = str01.find_first_not_of(str_lit01, 10, 0);
  VERIFY( csz01 == 10 );

  // size_type find_first_not_of(const char* s, size_type pos = 0) const;
  csz01 = str01.find_first_not_of(str_lit01);
  VERIFY( csz01 == 8 );
  csz01 = str02.find_first_not_of(str_lit01, 2);
  VERIFY( csz01 == 2 );

  // size_type find_first_not_of(char c, size_type pos = 0) const;
  csz01 = str01.find_first_not_of('B');
  VERIFY( csz01 == 1 );
  csz01 = str01.find_first_not_of('o', 1);
  VERIFY( csz01 == 2 );
  csz01 = str02.find_first_not_of('z');
  VERIFY( csz01 == 0 );
  csz01 = str04.find_first_not_of('S');
  VERIFY( csz01 == npos );
}

#ifndef GDB_STRING_VIEW
constexpr bool
test04()
{
  typedef std::string_view::size_type csize_type;
  csize_type npos = std::string_view::npos;
  csize_type csz01 = 0;

  const std::string_view str01("Bob Rock, per me");
  const char str_lit01[] = "Bob Rock";
  std::string_view str02("ovvero Trivi");
  std::string_view str03(str_lit01);
  std::string_view str04;

#undef VERIFY
#define VERIFY(x) if(!(x)) return false

  // size_type find_first_not_of(const string_view&, size_type pos = 0) const;
  csz01 = str01.find_first_not_of(str01);
  VERIFY( csz01 == npos );
  csz01 = str01.find_first_not_of(str02, 0);
  VERIFY( csz01 == 0 );
  csz01 = str01.find_first_not_of(str02, 10);
  VERIFY( csz01 == 10 );
  csz01 = str01.find_first_not_of(str02, 12);
  VERIFY( csz01 == 14 );
  csz01 = str01.find_first_not_of(str03, 0);
  VERIFY( csz01 == 8 );
  csz01 = str01.find_first_not_of(str03, 15);
  VERIFY( csz01 == 15 );
  csz01 = str01.find_first_not_of(str03, 16);
  VERIFY( csz01 == npos );
  csz01 = str01.find_first_not_of(str04, 0);
  VERIFY( csz01 == 0 );
  csz01 = str01.find_first_not_of(str04, 12);
  VERIFY( csz01 == 12 );
  csz01 = str03.find_first_not_of(str01, 0);
  VERIFY( csz01 == npos );
  csz01 = str04.find_first_not_of(str02, 0);
  VERIFY( csz01 == npos );

  // size_type find_first_not_of(const char* s, size_type pos, size_type n) const;
  csz01 = str01.find_first_not_of(str_lit01, 0, 0);
  VERIFY( csz01 == 0 );
  csz01 = str01.find_first_not_of(str_lit01, 0, 8);
  VERIFY( csz01 == 8 );
  csz01 = str01.find_first_not_of(str_lit01, 10, 0);
  VERIFY( csz01 == 10 );

  // size_type find_first_not_of(const char* s, size_type pos = 0) const;
  csz01 = str01.find_first_not_of(str_lit01);
  VERIFY( csz01 == 8 );
  csz01 = str02.find_first_not_of(str_lit01, 2);
  VERIFY( csz01 == 2 );

  // size_type find_first_not_of(char c, size_type pos = 0) const;
  csz01 = str01.find_first_not_of('B');
  VERIFY( csz01 == 1 );
  csz01 = str01.find_first_not_of('o', 1);
  VERIFY( csz01 == 2 );
  csz01 = str02.find_first_not_of('z');
  VERIFY( csz01 == 0 );
  csz01 = str04.find_first_not_of('S');
  VERIFY( csz01 == npos );

  return true;
}
#endif

static int
main ()
{
  test03();
#ifndef GDB_STRING_VIEW
  static_assert( test04() );
#endif

  return 0;
}

} // namespace operations_find_3