Support optimistic Create and Write operations on the SimpleCache.

net/disk_cache/backend_unittest.cc

Index: net/disk_cache/backend_unittest.cc
diff --git a/net/disk_cache/backend_unittest.cc b/net/disk_cache/backend_unittest.cc
index 275f1a96a3d34b4c688143c06fddcb249556baf8..edc34315e310520d3506696a4794716e98dccd71 100644
--- a/net/disk_cache/backend_unittest.cc
+++ b/net/disk_cache/backend_unittest.cc
@@ -2899,6 +2899,13 @@ TEST_F(DiskCacheBackendTest, SimpleCacheOpenMissingFile) {
   entry->Close();
   entry = NULL;
 
+  // To make sure the file creation completed we need to call open again so that
+  // we block until it actually created the files.
+  ASSERT_EQ(net::OK, OpenEntry(key, &entry));
+  ASSERT_TRUE(entry != NULL);
+  entry->Close();
+  entry = NULL;
+
   // Delete one of the files in the entry.
   base::FilePath to_delete_file = cache_path_.AppendASCII(
       disk_cache::simple_util::GetFilenameFromKeyAndIndex(key, 0));
@@ -2907,7 +2914,6 @@ TEST_F(DiskCacheBackendTest, SimpleCacheOpenMissingFile) {
 
   // Failing to open the entry should delete the rest of these files.
   ASSERT_EQ(net::ERR_FAILED, OpenEntry(key, &entry));
-

[pasko-google - do not use, 2013/05/02 14:01:43]

an empty line preceding the comment looked better

[felipeg, 2013/05/02 14:10:05]

Done.

   // Confirm the rest of the files are gone.
   for (int i = 1; i < disk_cache::kSimpleEntryFileCount; ++i) {
     base::FilePath
@@ -2930,6 +2936,13 @@ TEST_F(DiskCacheBackendTest, SimpleCacheOpenBadFile) {
   entry->Close();
   entry = NULL;
 
+  // To make sure the file creation completed we need to call open again so that
+  // we block until it actually created the files.
+  ASSERT_EQ(net::OK, OpenEntry(key, &entry));
+  ASSERT_NE(null, entry);
+  entry->Close();
+  entry = NULL;
+
   // Write an invalid header on stream 1.
   base::FilePath entry_file1_path = cache_path_.AppendASCII(
       disk_cache::simple_util::GetFilenameFromKeyAndIndex(key, 1));