Disk cache: Add a unit test that instantiates three caches

at the same time (for media files).


Review URL: http://codereview.chromium.org/45061

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@12561 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 21 insertions, 7 deletions

diff --git a/net/disk_cache/disk_cache_test_util.cc b/net/disk_cache/disk_cache_test_util.cc
index 555b2e5..9744f74 100644
--- a/net/disk_cache/disk_cache_test_util.cc
+++ b/net/disk_cache/disk_cache_test_util.cc
@@ -14,6 +14,20 @@
 using base::Time;
 using base::TimeDelta;
 
+namespace {
+
+std::wstring BuildCachePath(const std::wstring& name) {
+  std::wstring path;
+  PathService::Get(base::DIR_TEMP, &path);
+  file_util::AppendToPath(&path, name);
+  if (!file_util::PathExists(path))
+    file_util::CreateDirectory(path);
+
+  return path;
+}
+
+}  // namespace.
+
 std::string GenerateKey(bool same_length) {
   char key[200];
   CacheTestFillBuffer(key, sizeof(key), same_length);
@@ -40,13 +54,7 @@ void CacheTestFillBuffer(char* buffer, size_t len, bool no_nulls) {
 }
 
 std::wstring GetCachePath() {
-  std::wstring path;
-  PathService::Get(base::DIR_TEMP, &path);
-  file_util::AppendToPath(&path, L"cache_test");
-  if (!file_util::PathExists(path))
-    file_util::CreateDirectory(path);
-
-  return path;
+  return BuildCachePath(L"cache_test");
 }
 
 bool CreateCacheTestFile(const wchar_t* name) {
@@ -83,6 +91,12 @@ ScopedTestCache::ScopedTestCache() : path_(GetCachePath()) {
   DCHECK(result);
 }
 
+ScopedTestCache::ScopedTestCache(const std::wstring& name)
+    : path_(BuildCachePath(name)) {
+  bool result = DeleteCache(path_.c_str());
+  DCHECK(result);
+}
+
 ScopedTestCache::~ScopedTestCache() {
   file_util::Delete(path(), true);
 }