// Copyright 2021 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "gtest/gtest.h"
#include "src/storage/fs_test/fs_test_fixture.h"
#include "src/storage/fs_test/misc.h"

namespace fuchsia_fatfs {

using FilenameTestFat = fs_test::FilesystemTest;
TEST_P(FilenameTestFat, TestOnlySpacePeriodNameFails) {
  ASSERT_EQ(mkdir(GetPath("  . ").c_str(), 0755), -1);
  ASSERT_EQ(errno, EINVAL);
  ASSERT_EQ(mkdir(GetPath(".  . ").c_str(), 0755), -1);
  ASSERT_EQ(errno, EINVAL);
  ASSERT_EQ(mkdir(GetPath(".  . .").c_str(), 0755), -1);
  ASSERT_EQ(errno, EINVAL);
  ASSERT_EQ(mkdir(GetPath(".....").c_str(), 0755), -1);
  ASSERT_EQ(errno, EINVAL);
  ASSERT_EQ(mkdir(GetPath("     ").c_str(), 0755), -1);
  ASSERT_EQ(errno, EINVAL);
}

TEST_P(FilenameTestFat, TestTrailingDots) {
  ASSERT_EQ(mkdir(GetPath("hello...").c_str(), 0755), -1);
  ASSERT_EQ(errno, EINVAL);
  ASSERT_EQ(mkdir(GetPath("hello..").c_str(), 0755), -1);
  ASSERT_EQ(errno, EINVAL);
}

TEST_P(FilenameTestFat, TestLeadingTrailingSpaces) {
  // Note that the spec says that leading spaces should be ignored, but neither Linux or Windows
  // ignore them, so we expect them to be valid.
  ASSERT_NO_FATAL_FAILURE(CheckCanCreateDirectory(this, " foo", false));
  ASSERT_NO_FATAL_FAILURE(CheckCanCreateDirectory(this, "  foo", false));

  // Trailing spaces are invalid.
  ASSERT_EQ(mkdir(GetPath("foo  ").c_str(), 0755), -1);
  ASSERT_EQ(errno, EINVAL);
  ASSERT_EQ(mkdir(GetPath("foo ").c_str(), 0755), -1);
  ASSERT_EQ(errno, EINVAL);
  ASSERT_NO_FATAL_FAILURE(CheckCanCreateDirectory(this, "foo", false));
}

INSTANTIATE_TEST_SUITE_P(
    /*no prefix*/, FilenameTestFat, testing::ValuesIn(fs_test::AllTestFilesystems()),
    testing::PrintToStringParamName());

}  // namespace fuchsia_fatfs