AU: Resume interrupted update attempts.

delta_performer_unittest.cc

 // Copyright (c) 2009 The Chromium OS 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 <sys/mount.h>
 #include <inttypes.h>
 
 #include <algorithm>
 #include <string>
 #include <vector>
@@ skipping 241 matching lines @@
     EXPECT_FALSE(manifest.new_kernel_info().hash().empty());
     EXPECT_FALSE(manifest.old_rootfs_info().hash().empty());
     EXPECT_FALSE(manifest.new_rootfs_info().hash().empty());
   }
 
   PrefsMock prefs;
   EXPECT_CALL(prefs, SetInt64(kPrefsManifestMetadataSize,
                               manifest_metadata_size)).WillOnce(Return(true));
   EXPECT_CALL(prefs, SetInt64(kPrefsUpdateStateNextOperation, _))
       .WillRepeatedly(Return(true));
+  EXPECT_CALL(prefs, GetInt64(kPrefsUpdateStateNextOperation, _))
+      .WillOnce(Return(false));
   EXPECT_CALL(prefs, SetInt64(kPrefsUpdateStateNextDataOffset, _))
       .WillRepeatedly(Return(true));
   EXPECT_CALL(prefs, SetString(kPrefsUpdateStateSHA256Context, _))
       .WillRepeatedly(Return(true));
   EXPECT_CALL(prefs, SetString(kPrefsUpdateStateSignedSHA256Context, _))
       .WillOnce(Return(true));
 
   // Update the A image in place.
   DeltaPerformer performer(&prefs);
 
@@ skipping 79 matching lines @@
               graph[i].op.dst_extents(0).num_blocks());
     if (graph[i].op.type() !=
         DeltaArchiveManifest_InstallOperation_Type_REPLACE) {
       EXPECT_EQ(DeltaArchiveManifest_InstallOperation_Type_REPLACE_BZ,
                 graph[i].op.type());
     }
   }
 }
 
 }  // namespace chromeos_update_engine