/*
    This file is part of TON Blockchain Library.

    TON Blockchain Library is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    TON Blockchain 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.

    Copyright 2017-2020 Telegram Systems LLP
*/
#include "td/utils/filesystem.h"
#include "td/utils/Slice.h"
#include "td/utils/tests.h"

static void test_clean_filename(td::CSlice name, td::Slice result) {
  ASSERT_STREQ(td::clean_filename(name), result);
}

TEST(Misc, clean_filename) {
  test_clean_filename("-1234567", "-1234567");
  test_clean_filename(".git", "git");
  test_clean_filename("../../.git", "git");
  test_clean_filename(".././..", "");
  test_clean_filename("../", "");
  test_clean_filename("..", "");
  test_clean_filename("test/git/   as   dsa  .   a", "as   dsa.a");
  test_clean_filename("     .    ", "");
  test_clean_filename("!@#$%^&*()_+-=[]{;|:\"}'<>?,.`~", "!@#$%^  ()_+-=[]{;   }    ,.~");
  test_clean_filename("!@#$%^&*()_+-=[]{}\\|:\";'<>?,.`~", ";    ,.~");
  test_clean_filename("عرفها بعد قد. هذا مع تاريخ اليميني واندونيسيا،, لعدم تاريخ لهيمنة الى",
                      "عرفها بعد قد.هذا مع تاريخ اليميني");
  test_clean_filename(
      "012345678901234567890123456789012345678901234567890123456789adsasdasdsaa.01234567890123456789asdasdasdasd",
      "012345678901234567890123456789012345678901234567890123456789.01234567890123456789");
  test_clean_filename(
      "01234567890123456789012345678901234567890123456789<>*?: <>*?:0123456789adsasdasdsaa.   "
      "0123456789`<><<>><><>0123456789asdasdasdasd",
      "01234567890123456789012345678901234567890123456789.0123456789");
  test_clean_filename(
      "01234567890123456789012345678901234567890123456789<>*?: <>*?:0123456789adsasdasdsaa.   "
      "0123456789`<><><>0123456789asdasdasdasd",
      "01234567890123456789012345678901234567890123456789.0123456789       012");
  test_clean_filename("C:/document.tar.gz", "document.tar.gz");
  test_clean_filename("test....", "test");
  test_clean_filename("....test", "test");
  test_clean_filename("test.exe....", "test.exe");  // extension has changed
  test_clean_filename("test.exe01234567890123456789....",
                      "test.exe01234567890123456789");  // extension may be more than 20 characters
  test_clean_filename("....test....asdf", "test.asdf");
  test_clean_filename("കറുപ്പ്.txt", "കറപപ.txt");
}