54   auto hashtree_file = StringPrintf("%s/hashtree", td.path);  in TEST()  local
55   auto status = PrepareHashTree(*apex, *verity_data, hashtree_file);  in TEST()
60   ASSERT_TRUE(ReadFileToString(hashtree_file, &first_hashtree))  in TEST()
61       << "Failed to read " << hashtree_file;  in TEST()
65   status = PrepareHashTree(*apex, *verity_data, hashtree_file);  in TEST()
70   ASSERT_TRUE(ReadFileToString(hashtree_file, &second_hashtree))  in TEST()
71       << "Failed to read " << hashtree_file;  in TEST()
75       << hashtree_file << " was regenerated";  in TEST()
86   auto hashtree_file = StringPrintf("%s/hashtree", td.path);  in TEST()  local
87   auto status = PrepareHashTree(*apex, *verity_data, hashtree_file);  in TEST()
92   ASSERT_TRUE(ReadFileToString(hashtree_file, &first_hashtree))  in TEST()
93       << "Failed to read " << hashtree_file;  in TEST()
103   status = PrepareHashTree(*apex2, *verity_data2, hashtree_file);  in TEST()
108   ASSERT_TRUE(ReadFileToString(hashtree_file, &second_hashtree))  in TEST()
109       << "Failed to read " << hashtree_file;  in TEST()
112   ASSERT_NE(first_hashtree, second_hashtree) << hashtree_file << " was reused";  in TEST()