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select_file_dialog_unittest.cc
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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/shell_dialogs/select_file_dialog.h"
#include <stddef.h>
#include "testing/gtest/include/gtest/gtest.h"
TEST(ShellDialogs, ShortenFileNameIfNeeded) {
struct ShortenFileNameTestCase {
base::FilePath::StringType input;
base::FilePath::StringType expected;
} test_cases[] = {
// Paths with short paths/file names don't get shortened.
{FILE_PATH_LITERAL("folder1111/folder2222/file1.html"),
FILE_PATH_LITERAL("folder1111/folder2222/file1.html")},
// Path with long filename gets shortened to 255 chars
{FILE_PATH_LITERAL("folder1111/"
"abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvw"
"xyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnop"
"qrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghi"
"jklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234ab"
"cdefghijklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvwxy"
"z1234.html"),
FILE_PATH_LITERAL("folder1111/"
"abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvw"
"xyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnop"
"qrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghi"
"jklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234ab"
"cdefghijklmnopqrstuvwxyz1234abcdefghij.html")},
// Long path but short filename is not truncated, handled by system open
// file dialog.
{FILE_PATH_LITERAL(
"folder1111/folder2222/folder3333/folder4444/folder5555/folder6666/"
"folder7777/folder8888/folder9999/folder0000/folder1111/folder2222/"
"folder3333/folder4444/folder5555/folder6666/folder7777/folder8888/"
"folder9999/folder0000/folder1111/folder2222/folder3333/folder4444/"
"folder5555/folder6666/folder7777/folder8888/folder9999/folder0000/"
"file1.pdf"),
FILE_PATH_LITERAL(
"folder1111/folder2222/folder3333/folder4444/folder5555/folder6666/"
"folder7777/folder8888/folder9999/folder0000/folder1111/folder2222/"
"folder3333/folder4444/folder5555/folder6666/folder7777/folder8888/"
"folder9999/folder0000/folder1111/folder2222/folder3333/folder4444/"
"folder5555/folder6666/folder7777/folder8888/folder9999/folder0000/"
"file1.pdf")},
// Long extension with total file name length < 255 is not truncated.
{FILE_PATH_LITERAL("folder1111/folder2222/"
"file1."
"abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvw"
"xyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnop"
"qrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghi"
"jklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234"),
FILE_PATH_LITERAL("folder1111/folder2222/"
"file1."
"abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvw"
"xyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnop"
"qrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghi"
"jklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvwxyz123"
"4")},
// Long extension, medium length file name is truncated so that total
// file name length = 255
{FILE_PATH_LITERAL("folder1111/folder2222/"
"file1234567890123456789012345678901234567890123456789"
"0."
"abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvw"
"xyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnop"
"qrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghi"
"jklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234"),
FILE_PATH_LITERAL("folder1111/folder2222/"
"file1234567890123456789012345678901234567890123456789"
"0."
"abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvw"
"xyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnop"
"qrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghi"
"jklmnopqrstuvwxyz1234abcdefghijklmnopqrst")},
// Long extension and long file name -> extension truncated to 13 chars
// and file name truncated to 255-13.
{FILE_PATH_LITERAL("folder1111/folder2222/"
"abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvw"
"xyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnop"
"qrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghi"
"jklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234ab"
"cdefghijklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvwxy"
"z1234."
"abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvw"
"xyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnop"
"qrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghi"
"jklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234"),
FILE_PATH_LITERAL("folder1111/folder2222/"
"abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvw"
"xyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghijklmnop"
"qrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234abcdefghi"
"jklmnopqrstuvwxyz1234abcdefghijklmnopqrstuvwxyz1234ab"
"cdefghijklmnopqrstuvwxyz1234ab.abcdefghijkl")}};
for (size_t i = 0; i < std::size(test_cases); ++i) {
base::FilePath input =
base::FilePath(test_cases[i].input).NormalizePathSeparators();
base::FilePath output =
base::FilePath(test_cases[i].expected).NormalizePathSeparators();
EXPECT_EQ(output.value(),
ui::SelectFileDialog::GetShortenedFilePath(input).value());
EXPECT_LE(ui::SelectFileDialog::GetShortenedFilePath(input)
.BaseName()
.value()
.length(),
255u);
}
}