File: file_name_unittest.cc

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

#include "pdf/ui/file_name.h"

#include <string>

#include "testing/gtest/include/gtest/gtest.h"

namespace chrome_pdf {

TEST(FileNameTest, GetFileNameForSaveFromUrl) {
  EXPECT_EQ("b.pdf", GetFileNameForSaveFromUrl("https://test/a/b.pdf"));

  // File extensions should be kept as-is.
  EXPECT_EQ("b.hat", GetFileNameForSaveFromUrl("https://test/a/b.hat"));

  // Most escaped characters should be unescaped.
  EXPECT_EQ("a b.pdf", GetFileNameForSaveFromUrl("https://test/%61%20b.pdf"));

  // Escaped file path delimiters and control codes should be replaced by a
  // placeholder.
  EXPECT_EQ("a_b_.pdf", GetFileNameForSaveFromUrl("https://test/a%2Fb%01.pdf"));

  // UTF-8 characters, including ones left escaped by UnescapeURLComponent() for
  // security reasons, are allowed in file paths.
  EXPECT_EQ("\xF0\x9F\x94\x92",
            GetFileNameForSaveFromUrl("https://test/%F0%9F%94%92"));
}

}  // namespace chrome_pdf