Home | History | Annotate | Download | only in base 
      1 // Copyright (c) 2006-2008 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 "base/path_service.h"
      6 
      7 #include "base/basictypes.h"
      8 #include "base/file_util.h"
      9 #include "base/file_path.h"
     10 #if defined(OS_WIN)
     11 #include "base/win_util.h"
     12 #endif
     13 #include "testing/gtest/include/gtest/gtest.h"
     14 #include "testing/gtest/include/gtest/gtest-spi.h"
     15 #include "testing/platform_test.h"
     16 
     17 namespace {
     18 
     19 // Returns true if PathService::Get returns true and sets the path parameter
     20 // to non-empty for the given PathService::DirType enumeration value.
     21 bool ReturnsValidPath(int dir_type) {
     22   FilePath path;
     23   bool result = PathService::Get(dir_type, &path);
     24   return result && !path.value().empty() && file_util::PathExists(path);
     25 }
     26 
     27 #if defined(OS_WIN)
     28 // Function to test DIR_LOCAL_APP_DATA_LOW on Windows XP. Make sure it fails.
     29 bool ReturnsInvalidPath(int dir_type) {
     30   FilePath path;
     31   bool result = PathService::Get(base::DIR_LOCAL_APP_DATA_LOW, &path);
     32   return !result && path.empty();
     33 }
     34 #endif
     35 
     36 }  // namespace
     37 
     38 // On the Mac this winds up using some autoreleased objects, so we need to
     39 // be a PlatformTest.
     40 typedef PlatformTest PathServiceTest;
     41 
     42 // Test that all PathService::Get calls return a value and a true result
     43 // in the development environment.  (This test was created because a few
     44 // later changes to Get broke the semantics of the function and yielded the
     45 // correct value while returning false.)
     46 TEST_F(PathServiceTest, Get) {
     47   for (int key = base::DIR_CURRENT; key < base::PATH_END; ++key) {
     48     EXPECT_PRED1(ReturnsValidPath, key);
     49   }
     50 #if defined(OS_WIN)
     51   for (int key = base::PATH_WIN_START + 1; key < base::PATH_WIN_END; ++key) {
     52     if (key == base::DIR_LOCAL_APP_DATA_LOW &&
     53         win_util::GetWinVersion() < win_util::WINVERSION_VISTA) {
     54       // DIR_LOCAL_APP_DATA_LOW is not supported prior Vista and is expected to
     55       // fail.
     56       EXPECT_TRUE(ReturnsInvalidPath(key)) << key;
     57     } else {
     58       EXPECT_TRUE(ReturnsValidPath(key)) << key;
     59     }
     60   }
     61 #elif defined(OS_MACOSX)
     62   for (int key = base::PATH_MAC_START + 1; key < base::PATH_MAC_END; ++key) {
     63       EXPECT_PRED1(ReturnsValidPath, key);
     64   }
     65 #endif
     66 }
     67