src/ui/shell_dialogs/select_file_dialog_win_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "testing/gtest/include/gtest/gtest.h"
   6 #include "ui/shell_dialogs/select_file_dialog.h"
   7 #include "ui/shell_dialogs/select_file_dialog_win.h"
   8
   9 TEST(ShellDialogsWin, AppendExtensionIfNeeded) {
  10   struct AppendExtensionTestCase {
  11     const wchar_t* filename;
  12     const wchar_t* filter_selected;
  13     const wchar_t* suggested_ext;
  14     const wchar_t* expected_filename;
  15   } test_cases[] = {
  16     // Known extensions, with or without associated MIME types, should not get
  17     // an extension appended.
  18     { L"sample.html",    L"*.txt",     L"txt",     L"sample.html" },
  19     { L"sample.reg",     L"*.txt",     L"txt",     L"sample.reg" },
  20
  21     // An unknown extension, or no extension, should get the default extension
  22     // appended.
  23     { L"sample.unknown", L"*.txt",     L"txt",     L"sample.unknown.txt" },
  24     { L"sample",         L"*.txt",     L"txt",     L"sample.txt" },
  25     // ...unless the unknown and default extensions match.
  26     { L"sample.unknown", L"*.unknown", L"unknown", L"sample.unknown" },
  27
  28     // The extension alone should be treated like a filename with no extension.
  29     { L"txt",            L"*.txt",     L"txt",     L"txt.txt" },
  30
  31     // Trailing dots should cause us to append an extension.
  32     { L"sample.txt.",    L"*.txt",     L"txt",     L"sample.txt.txt" },
  33     { L"...",            L"*.txt",     L"txt",     L"...txt" },
  34
  35     // If the filter is changed to "All files", we allow any filename.
  36     { L"sample.unknown", L"*.*",       L"",        L"sample.unknown" },
  37   };
  38
  39   for (size_t i = 0; i < arraysize(test_cases); ++i) {
  40     EXPECT_EQ(std::wstring(test_cases[i].expected_filename),
  41               ui::AppendExtensionIfNeeded(test_cases[i].filename,
  42                                           test_cases[i].filter_selected,
  43                                           test_cases[i].suggested_ext));
  44   }
  45 }
  46