IndexedDB: Report QuotaExceededError when commit fails due to disk full

content/browser/indexed_db/mock_browsertest_indexed_db_class_factory.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
 #include "base/logging.h"
 #include "content/browser/indexed_db/leveldb/leveldb_iterator_impl.h"
 #include "content/browser/indexed_db/leveldb/leveldb_transaction.h"
 #include "content/browser/indexed_db/mock_browsertest_indexed_db_class_factory.h"
+#include "third_party/leveldatabase/env_chromium.h"
 #include "third_party/leveldatabase/src/include/leveldb/status.h"
 
 namespace {
 
 class FunctionTracer {
  public:
   FunctionTracer(const std::string& class_name,
                  const std::string& method_name,
                  int instance_num)
       : class_name_(class_name),
@@ skipping 36 matching lines @@
                       bool* found) override {
     if (fail_method_ != FAIL_METHOD_GET ||
         ++current_call_num_ != fail_on_call_num_)
       return LevelDBTransaction::Get(key, value, found);
 
     *found = false;
     return leveldb::Status::Corruption("Corrupted for the test");
   }
 
   leveldb::Status Commit() override {
-    if (fail_method_ != FAIL_METHOD_COMMIT ||
+    if ((fail_method_ != FAIL_METHOD_COMMIT &&
+         fail_method_ != FAIL_METHOD_COMMIT_DISK_FULL) ||
         ++current_call_num_ != fail_on_call_num_)
       return LevelDBTransaction::Commit();
 
+    // TODO(jsbell): Consider parameterizing the failure mode.

[jsbell, 2015/02/19 19:05:44]

Maybe as a follow-up?

+    if (fail_method_ == FAIL_METHOD_COMMIT_DISK_FULL) {
+      return leveldb_env::MakeIOError(
+          "dummy filename",
+          "Disk Full",
+          leveldb_env::kWritableFileAppend,
+          base::File::FILE_ERROR_NO_SPACE);
+    }
+
     return leveldb::Status::Corruption("Corrupted for the test");
   }
 
  private:
   ~LevelDBTestTransaction() override {}
 
   FailMethod fail_method_;
   int fail_on_call_num_;
   int current_call_num_;
 };
@@ skipping 180 matching lines @@
 
 void MockBrowserTestIndexedDBClassFactory::Reset() {
   failure_class_ = FAIL_CLASS_NOTHING;
   failure_method_ = FAIL_METHOD_NOTHING;
   instance_count_.clear();
   fail_on_instance_num_.clear();
   fail_on_call_num_.clear();
 }
 
 }  // namespace content