Appcache::OnCorruptionDetected handling

webkit/browser/appcache/appcache_database_unittest.cc

 // Copyright (c) 2012 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 "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/strings/stringprintf.h"
 #include "sql/connection.h"
 #include "sql/meta_table.h"
@@ skipping 91 matching lines @@
   // Break it.
   ASSERT_TRUE(sql::test::CorruptSizeInHeader(kDbFile));
 
   // Reopening will notice the corruption and delete/recreate the directory.
   {
     sql::ScopedErrorIgnorer ignore_errors;
     ignore_errors.IgnoreError(SQLITE_CORRUPT);
     EXPECT_TRUE(db.LazyOpen(true));
     EXPECT_FALSE(base::PathExists(kOtherFile));
     EXPECT_TRUE(base::PathExists(kDbFile));
-    ASSERT_TRUE(ignore_errors.CheckIgnoredErrors());
+    EXPECT_TRUE(ignore_errors.CheckIgnoredErrors());
   }
 }
 #endif  // NDEBUG
 
+TEST(AppCacheDatabaseTest, WasCorrutionDetected) {
+  // Real files on disk for this test too, a corrupt database file.
+  base::ScopedTempDir temp_dir;
+  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
+  const base::FilePath kDbFile = temp_dir.path().AppendASCII("appcache.db");
+
+  // First create a valid db file.
+  AppCacheDatabase db(kDbFile);
+  EXPECT_TRUE(db.LazyOpen(true));
+  EXPECT_TRUE(base::PathExists(kDbFile));
+  EXPECT_FALSE(db.was_corruption_dectected());
+
+  // Break it.
+  ASSERT_TRUE(sql::test::CorruptSizeInHeader(kDbFile));
+
+  // See the the corruption is detected and reported.
+  {
+    sql::ScopedErrorIgnorer ignore_errors;
+    ignore_errors.IgnoreError(SQLITE_CORRUPT);
+    std::map<GURL, int64> usage_map;
+    EXPECT_FALSE(db.GetAllOriginUsage(&usage_map));
+    EXPECT_TRUE(db.was_corruption_dectected());
+    EXPECT_TRUE(base::PathExists(kDbFile));
+    EXPECT_TRUE(ignore_errors.CheckIgnoredErrors());
+  }
+}
+
 TEST(AppCacheDatabaseTest, ExperimentalFlags) {
   const char kExperimentFlagsKey[] = "ExperimentFlags";
   std::string kInjectedFlags("exp1,exp2");
 
   // Real files on disk for this test.
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   const base::FilePath kDbFile = temp_dir.path().AppendASCII("appcache.db");
   const base::FilePath kOtherFile =  temp_dir.path().AppendASCII("other_file");
   EXPECT_EQ(3, file_util::WriteFile(kOtherFile, "foo", 3));
@@ skipping 1041 matching lines @@
     EXPECT_EQ(expected_namespace_url, fallbacks[i].namespace_.namespace_url);
     EXPECT_EQ(expected_target_url, fallbacks[i].namespace_.target_url);
     EXPECT_FALSE(fallbacks[i].namespace_.is_pattern);
     EXPECT_EQ(expected_whitelist_url, whitelists[i].namespace_url);
     EXPECT_FALSE(whitelists[i].is_pattern);
   }
 }
 #endif  // !APPCACHE_USE_SIMPLE_CACHE
 
 }  // namespace appcache