When the download folder does not exist, change the download folder to a user's "Downloads"

chrome/browser/download/download_util_unittest.cc

Index: chrome/browser/download/download_util_unittest.cc
diff --git a/chrome/browser/download/download_util_unittest.cc b/chrome/browser/download/download_util_unittest.cc
index c8143e2f314c6d1a184111d29f88c482ba13b1c4..387ba2b6f6ad612fd9ef18dd4d40978c644e274d 100644
--- a/chrome/browser/download/download_util_unittest.cc
+++ b/chrome/browser/download/download_util_unittest.cc
@@ -8,8 +8,10 @@
 #include <locale.h>
 #endif
 
+#include "base/path_service.h"
 #include "base/string_util.h"
 #include "base/test/test_file_util.h"
+#include "chrome/common/chrome_paths.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -578,5 +580,22 @@ TEST(DownloadUtilTest, GenerateSafeFileName) {
   }
 }
 
-}  // namespace
+TEST(DownloadUtilTest, OverrideDefaultDownloadFolder) {
+  FilePath override_path(FILE_PATH_LITERAL("/koakuma/mikity/moemoe/nyannyan"));
+  FilePath original_path;
+  ASSERT_TRUE(PathService::Get(chrome::DIR_DEFAULT_DOWNLOADS, &original_path));
+  download_util::ScopedDefaultDownloadDirectory override_default_downloads;
+
+  FilePath current_path = download_util::DefaultDownloadDirectory::Get();
+  EXPECT_EQ(current_path, original_path);
+
+  override_default_downloads.Override(override_path);
+  current_path = download_util::DefaultDownloadDirectory::Get();
+  EXPECT_EQ(current_path, override_path);
 
+  override_default_downloads.UnOverride();
+  current_path = download_util::DefaultDownloadDirectory::Get();
+  EXPECT_EQ(current_path, original_path);
+}
+
+}  // namespace